83 results on '"David Dan"'
Search Results
2. Evaluating the acceptability of an online patient decision aid for the surgical management of lower urinary tract symptoms secondary to benign prostatic hyperplasia
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Dean Elterman, Bilal Chughtai, Paul Martin, David Bouhadana, Luke T. Lavallée, Hassan Razvi, Brendan Raizenne, David-Dan Nguyen, Ryan F. Paterson, Kristen McAlpine, Harvey Gordon, Joseph A. Schwarcz, Kevin C. Zorn, and Naeem Bhojani
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medicine.medical_specialty ,business.industry ,Prostatectomy ,Urology ,Optimal treatment ,medicine.medical_treatment ,General surgery ,Hyperplasia ,urologic and male genital diseases ,medicine.disease ,Clinical Practice ,medicine.anatomical_structure ,Oncology ,Lower urinary tract symptoms ,Prostate ,Medicine ,business ,Transurethral resection of the prostate ,Retropubic prostatectomy - Abstract
Introduction: The growing number of surgical options available to treat benign prostatic hyperplasia (BPH), may overwhelm patients and urologists when deciding on an optimal treatment. Therefore, we developed an online patient decision aid (PtDA) that includes all guideline-approved surgical modalities. The objective of this study was to assess the acceptability of the PtDA among former BPH surgery patients and urologists that treat BPH surgically. Methods: The International Patient Decision Aids Standards were used to develop a PtDA that includes monopolar transurethral resection of the prostate (TURP), bipolar TURP, GreenLight photovaporization, endoscopic enucleation of the prostate, Rezum, Urolift, Aquablation, open retropubic prostatectomy, and robotic simple prostatectomy as management options. Eleven urologists that regularly treat BPH and 19 patients who received BPH surgery were recruited. Alpha-testing was performed using a validated acceptability scoring system. Results: For all sections of the PtDA, most urologists agreed that the language used was easy to follow (91.9%), that the amount of information provided was adequate (63.6%), that the length of the PtDA was appropriate (63.6%), and that the outcomes reported were correct (81.8%). All 19 patient participants agreed that the language used was easy to follow, and most found that the amount of information provided was adequate (84.2%), that the length of the PtDA was appropriate (84.2%), and that the outcomes reported were well-explained (89.5%). Conclusions: Our PtDA was found to be acceptable among urologists and patients. These results demonstrate that most of the participants either recommend the use of this tool or plan to incorporate it in their clinical practice.
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- 2021
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3. Effect of Medicaid Expansion on Receipt of Definitive Treatment and Time to Treatment Initiation by Racial and Ethnic Minorities and at Minority-Serving Hospitals: A Patient-Level and Facility-Level Analysis of Breast, Colon, Lung, and Prostate Cancer
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Quoc-Dien Trinh, Maya Marchese, Stuart R. Lipsitz, Gezzer Ortega, Alexander P. Cole, Marco Paciotti, Joel S. Weissman, Eugene B. Cone, Adam S. Kibel, and David-Dan Nguyen
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Male ,medicine.medical_specialty ,Lung Neoplasms ,Colon ,Ethnic group ,Time to treatment ,MEDLINE ,Time-to-Treatment ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Carcinoma, Non-Small-Cell Lung ,Health insurance ,Humans ,Medicine ,030212 general & internal medicine ,Lung ,Retrospective Studies ,Receipt ,Medicaid ,Oncology (nursing) ,business.industry ,Patient Protection and Affordable Care Act ,Health Policy ,Prostatic Neoplasms ,medicine.disease ,Hospitals ,United States ,medicine.anatomical_structure ,Oncology ,030220 oncology & carcinogenesis ,Family medicine ,business - Abstract
PURPOSE: We sought to investigate the association between Medicaid expansion under the Affordable Care Act and access to stage-appropriate definitive treatment for breast, colon, non–small-cell lung, and prostate cancer for underserved racial and ethnic minorities and at minority-serving hospitals (MSHs). METHODS: We conducted a retrospective, difference-in-differences study including minority patients with nonmetastatic breast, colon, non–small-cell lung, and prostate cancer and patients treated at MSHs between the age of 40 and 64, with tumors at stages eligible for definitive treatment from the National Cancer Database. We not only defined non-Hispanic Black and Hispanic cancer patients as racial and ethnic minorities but also report findings for non-Hispanic Black cancer patients separately. We examined the effect of Medicaid expansion on receipt of stage-appropriate definitive therapy, time to treatment initiation (TTI) within 30 days of diagnosis, and TTI within 90 days of diagnosis. RESULTS: Receipt of definitive treatment for minorities in expansion states did not change compared with minority patients in nonexpansion states. The proportion of racial and ethnic minorities in expansion states receiving treatment within 30 days increased (difference-in-differences: +3.62%; 95% CI, 1.63 to 5.61; P < .001) compared with minority patients in nonexpansion states; there was no change for TTI within 90 days. Analysis focused on Black cancer patients yielded similar results. In analyses stratified by MSH status, there was no change in receipt of definitive therapy, TTI within 30 days, and TTI within 90 days when comparing MSHs in expansion states with MSHs in nonexpansion states. CONCLUSION: In our cohort of cancer patients with treatment-eligible disease, we found no significant association between Medicaid expansion and changes in receipt of definitive treatment for breast, prostate, lung, and colon cancer for racial and ethnic minorities and at MSHs. Medicaid expansion was associated with improved TTI at the patient level for racial and ethnic minorities, but not at the facility level for MSHs. Targeted interventions addressing the needs of MSHs are still needed to continue mitigating national facility–level disparities in cancer outcomes.
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- 2021
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4. Global Greenlight Group: largest international Greenlight experience for benign prostatic hyperplasia to assess efficacy and safety
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Giovanni Ferrari, David Bouhadana, David-Dan Nguyen, Edgardo F. Becher, Maximilian Reimann, Franck Bruyère, Naeem Bhojani, Carlos Vasquez-Lastra, Dean Elterman, Kyle W Law, Iman Sadri, Vincent Misrai, Félix Couture, Côme Tholomier, Hannes Cash, Ahmed S. Zakaria, Kevin C. Zorn, Luca Cindolo, and Tiago Borelli-Bovo
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Nephrology ,medicine.medical_specialty ,business.industry ,Urology ,Laser treatment ,030232 urology & nephrology ,Perioperative ,Hyperplasia ,medicine.disease ,Pooling data ,03 medical and health sciences ,Catheter ,0302 clinical medicine ,medicine.anatomical_structure ,Prostate ,Interquartile range ,030220 oncology & carcinogenesis ,Internal medicine ,medicine ,business - Abstract
Greenlight photo-selective vaporization of the prostate (GL-PVP) has gained international acceptance as a safe and effective alternative procedure for the treatment of benign prostatic hyperplasia (BPH), especially in anticoagulated men. This descriptive analysis aims to characterize the current state of GL-PVP, pooling data from international centers. Data from 3627 patients who underwent GL-PVP with the XPS-180 W system in seven international centers performed by eight expert surgeons between 2011 and 2019 were retrospectively analyzed. Demographic, perioperative, and postoperative data were collected, including IPSS, QoL, Qmax, PVR, and PSA, and complications. At baseline, median age, prostate volume, PSA, and IPSS were 70 years (interquartile range 64–77), 64 (47–90), 3.1 ng/mL (1.8–6), and 22 (19–27), respectively. Median lasing and operative time were 34 (23–48) and 62 min (46–85), respectively. Median energy use was 250.0 kJ (168.4–367.9), with 92.6% of procedures being completed with one laser fiber. In 60.1% of cases, catheter was removed on postoperative day 1 with median length of 2 days. All-cause mortality within 30 days was 0.3%. Median PSA reduction at 3 months and 60 months compared to baseline was 43.9 and 46.4%, respectively (p
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- 2021
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5. Gender-based Differences in Career Plans, Salary Expectations, and Business Preparedness Among Urology Residents
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David-Dan Nguyen, Eugene B. Cone, Mary E. Westerman, Kevin Koo, Karen Stern, and Juan Javier-Desloges
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medicine.medical_specialty ,Descriptive statistics ,business.industry ,Urology ,media_common.quotation_subject ,030232 urology & nephrology ,Wage ,Census ,Test (assessment) ,03 medical and health sciences ,0302 clinical medicine ,030220 oncology & carcinogenesis ,Preparedness ,Debt ,Medicine ,Observational study ,Salary ,business ,media_common - Abstract
Objective To characterize gender-related differences between the values and salary expectations of US urology residents. Methods We analyzed 2016-2018 American Urological Association Census data regarding residents’ demographics, motivations, and concerns. To explore gendered differences, we queried Census items related to demographics, values, and preparedness for the business of practice. Descriptive statistics and test of hypotheses were used for analysis. Results A total of 705 residents responded of whom 196 (28%) were female. More than half of residents (54%) reported educational debt >$150,000. Factors influencing choice of practice setting included lifestyle (87%), compensation (82%), and location (78%) and was not significantly different between males and females. There were also no differences regarding planned practice setting. However, women had significantly lower first year salary expectations; 53% expected to make Conclusion Among a nationally representative sample of urology residents, women had significantly lower salary expectations and expressed significantly more discomfort with the business aspects of medicine, including contract negotiation, than their male counterparts. These observational findings may contribute to and potentially perpetuate the urology wage gap.
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- 2021
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6. WATER versus WATER II 2-Year Update: Comparing Aquablation Therapy for Benign Prostatic Hyperplasia in 30–80-cm3 and 80–150-cm3 Prostates
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Naeem Bhojani, Jim Lingeman, Mihir M. Desai, Paul Anderson, Mitch Humphreys, Claus G. Roehrborn, Mo Bidair, Neil Barber, Dean Elterman, Kevin C. Zorn, Ryan F. Paterson, Alan So, Steven A. Kaplan, Ronald P. Kaufman, Peter J. Gilling, Gopal H. Badlani, Larry Goldenberg, and David-Dan Nguyen
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Aquablation ,medicine.medical_specialty ,Benign prostatic hyperplasia ,Wilcoxon signed-rank test ,business.industry ,Prostatectomy ,Urology ,medicine.medical_treatment ,Robotics ,medicine.disease ,lcsh:Diseases of the genitourinary system. Urology ,lcsh:RC870-923 ,lcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,lcsh:RC254-282 ,Clinical trial ,medicine.anatomical_structure ,Prostate ,Lower urinary tract symptoms ,Medicine ,International Prostate Symptom Score ,business ,Complication ,Transurethral resection of the prostate - Abstract
Background Surgical options are limited when treating large (>80 cm3) prostates for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). Open simple prostatectomy remains the most common procedure performed for large prostates. There is a need for novel surgical approaches with shorter learning curves and effective treatment. Aquablation could be this novel tool. Objective To compare the outcome of Aquablation for 30–80-cm3 prostates with the outcome for 80–150-cm3 prostates at 2-yr follow-up. Design, setting, and participants We used data from two trials. WATER is a prospective, double-blind, multicenter, international clinical trial comparing the safety and efficacy of Aquablation and transurethral resection of the prostate in the treatment of LUTS/BPH in men aged 45–80 yr with a prostate of 30–80 cm3. WATER II is a prospective, multicenter, single-arm international clinical trial of Aquablation in men with a prostate of 80–150 cm3. Intervention Aquablation, an ultrasound-guided, robotically executed waterjet ablative procedure. Outcome measurements and statistical analysis We compared 24-mo outcomes between 116 WATER and 101 WATER II study subjects. Student’s t test or a Wilcoxon test was used to compare continuous variables and Fisher’s test for categorical variables. Results and limitations The International Prostate Symptom Score (IPSS) reductions at 24 mo was 14.5 points for WATER and 17.4 points for WATER II (p = 0.31). At baseline, the maximum urinary flow rate (Qmax) was 9.4 and 8.7 cm3/s in WATER and WATER II, improving to 20.5 and 18.2 cm3/s, respectively (p = 0.60) at 24 mo. Improvements in both IPSS and Qmax were immediate and sustained throughout follow-up. At 2 yr, the surgical retreatment rate was 4% in WATER and 2% in WATER II. Conclusions Aquablation is effective in patients with a prostate of 30–80 cm3 and patients with a prostate of 80–150 cm3 treated for LUTS/BPH, with comparable outcomes in both groups. It has low complication and retreatment rates at 2 yr of follow-up, with durable improvements in functional outcome. Patient summary Outcomes of Aquablation for both small-to-moderately-sized and large prostates are similar and sustainable at 2 yr of follow-up.
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- 2021
7. The Relationship Between Health Literacy and Nonrecommended Cancer Screening
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Quoc-Dien Trinh, Jesse D. Sammon, Peter Herzog, David-Dan Nguyen, Madeline C. Rutan, and Kerry L. Kilbridge
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Male ,medicine.medical_specialty ,Epidemiology ,MEDLINE ,Uterine Cervical Neoplasms ,Breast Neoplasms ,Health literacy ,01 natural sciences ,03 medical and health sciences ,0302 clinical medicine ,Breast cancer ,Health care ,Cancer screening ,medicine ,Humans ,Mass Screening ,030212 general & internal medicine ,0101 mathematics ,Early Detection of Cancer ,Screening procedures ,Behavioral Risk Factor Surveillance System ,business.industry ,010102 general mathematics ,Public Health, Environmental and Occupational Health ,Prostatic Neoplasms ,Prostate-Specific Antigen ,medicine.disease ,Health Literacy ,Cross-Sectional Studies ,Prostate cancer screening ,Family medicine ,Female ,business - Abstract
Health literacy affects how patients behave within the healthcare system. Overutilization of screening procedures inconsistent with the U.S. Preventive Services Task Force guidelines contributes to the high cost of health care. The authors hypothesize that higher health literacy supports guideline-concordant screening. This study assesses the effect of health literacy on nonrecommended prostate, breast, and cervical cancer screening in patients older than the recommended screening age limit.The 2016 Behavioral Risk Factor Surveillance System included health literacy modules. Respondents self-reported their ability to obtain and understand health information, resulting in 4 health literacy rankings. The authors calculated the population-weighted proportion of respondents in each health literacy category who underwent screening past the Task Force‒recommended age limit. The ORs of nonrecommended screening for each malignancy were calculated, with low health literacy as the ref category.Individuals with higher health literacy underwent more nonrecommended screening. Nonrecommended prostate cancer screening was performed in 27.4% (95% CI=23.7%, 31.4%) and 47.7% (95% CI=44.1%, 51.3%) of respondents with low and high health literacy, respectively (p0.001). Nonrecommended breast cancer screening was performed in 46.8% (95% CI=42.6%, 51.1%) and 67.7% (95% CI=64.2%, 71.1%) of respondents with low and high health literacy, respectively (p=0.002). Nonrecommended cervical cancer screening was performed in 33.8% (95% CI=31.1%, 36.5%) and 48.4% (95% CI=46.3%, 50.5%) of respondents with low and high health literacy, respectively (p0.001). Individuals with high health literacy were significantly more likely than those with low health literacy to screen against the recommendations for prostate (OR=1.73, 95% CI=1.34, 2.23, p0.001), cervical (OR=1.533, 95% CI=1.31, 1.80, p0.001), and breast (OR=8.213, 95% CI=4.90, 13.76, p0.001) cancer.Higher health literacy correlates with increased rates of screening beyond the recommended age, contrary to the study hypothesis. Breast cancer demonstrated the highest rates of nonrecommended screening.
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- 2021
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8. Risk of Dementia and Depression in Young and Middle-aged Men Presenting with Nonmetastatic Prostate Cancer Treated with Androgen Deprivation Therapy
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Karl H. Tully, Quoc-Dien Trinh, Joachim Noldus, Maxine Sun, Adam S. Kibel, Bradley Alexander McGregor, Peter Herzog, Shehzad Basaria, David-Dan Nguyen, Paul L. Nguyen, and Ginger Jin
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Male ,medicine.medical_specialty ,Urology ,030232 urology & nephrology ,Subgroup analysis ,Androgen deprivation therapy ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Internal medicine ,medicine ,Humans ,Dementia ,Radiology, Nuclear Medicine and imaging ,Depression (differential diagnoses) ,Aged ,Depression ,business.industry ,Incidence (epidemiology) ,Hazard ratio ,Prostatic Neoplasms ,Androgen Antagonists ,Middle Aged ,medicine.disease ,Oncology ,030220 oncology & carcinogenesis ,Cohort ,Androgens ,Surgery ,business - Abstract
Previous studies have found an association between androgen deprivation therapy (ADT) and an increased risk of dementia and depression in elderly men. This association remains controversial, and little is known about the effects of ADT in younger men.To examine the association between the receipt of ADT and these outcomes in young men aged 40-64 yr presenting with nonmetastatic prostate cancer (PCa).For this observational study, we identified 9117 men aged 40-64 yr diagnosed with localized PCa between 2007 and 2014, without a pre-existing neurocognitive diagnosis, using the TRICARE military database.Kaplan-Meier curves were fitted to compare ADT versus no ADT. We also performed a subgroup analysis in patients undergoing ADT for ≥12 mo. The association between ADT and new-onset dementia or depression was evaluated using inverse-probability-of treatment-weight-adjusted Cox proportional hazards regression analysis.Patients receiving ADT had a significantly higher incidence of depression (30.2 vs 15.8 per 1000 person years) and dementia (17.9 vs 7.5 per 1000 person years). The risk of developing either outcome was higher in the ADT cohort (depression: hazard ratio [HR] 2.07, p 0.001; dementia: HR 1.70, p = 0.052). Additionally, there was a dose-response relationship between the duration of ADT and either outcome.In our cohort of young men with PCa, the receipt of ADT was associated with an increased risk of developing dementia and depression. Long-term use of ADT was associated with the highest risk of neurocognitive outcomes.In this study, we looked at the risk of dementia and depression in patients65 yr of age undergoing androgen deprivation therapy (ADT) for prostate cancer. We found that these patients had a higher risk of dementia and depression than those who did not undergo ADT.
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- 2021
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9. Estimating the health‐related quality of life of kidney stone patients: initial results from the Wisconsin Stone Quality of Life Machine‐Learning Algorithm (WISQOL‐MLA)
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David-Dan Nguyen, Stephen Y. Nakada, Thomas Chi, Naeem Bhojani, Necole M. Streeper, Kristina L. Penniston, Roger L. Sur, Jaime Landman, Jodi Antonelli, Jonathan D. Harper, Timothy D. Averch, Seth K. Bechis, Noah Canvasser, Jack W. Luo, Davis P. Viprakasit, Sri Sivalingam, Sero Andonian, Ben H. Chew, Vincent G. Bird, Vernon M. Pais, and Xing Han Lu
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Adult ,Male ,Multivariate statistics ,Urology ,030232 urology & nephrology ,MEDLINE ,Machine Learning ,Correlation ,Kidney Calculi ,03 medical and health sciences ,0302 clinical medicine ,Quality of life ,medicine ,Humans ,Aged ,business.industry ,Middle Aged ,medicine.disease ,Regression ,030220 oncology & carcinogenesis ,Quality of Life ,Female ,Kidney stones ,Self Report ,Gradient boosting ,business ,Algorithm ,Body mass index - Abstract
OBJECTIVE To build the Wisconsin Stone Quality of Life Machine-Learning Algorithm (WISQOL-MLA) to predict urolithiasis patients' health-related quality of life (HRQoL) based on demographic, symptomatic and clinical data collected for the validation of the Wisconsin Stone Quality-of-Life (WISQOL) questionnaire, an HRQoL measurement tool designed specifically for patients with kidney stones. MATERIAL AND METHODS We used data from 3206 stone patients from 16 centres. We used gradient-boosting and deep-learning models to predict HRQoL scores. We also stratified HRQoL scores by quintile. The dataset was split using a standard 70%/10%/20% training/validation/testing ratio. Regression performance was evaluated using Pearson's correlation. Classification was evaluated with an area under the receiver-operating characteristic curve (AUROC). RESULTS Gradient boosting obtained a test correlation of 0.62. Deep learning obtained a correlation of 0.59. Multivariate regression achieved a correlation of 0.44. Quintile stratification of all patients in the WISQOL dataset obtained an average test AUROC of 0.70 for the five classes. The model performed best in identifying the lowest (0.79) and highest quintiles (0.83) of HRQoL. Feature importance analysis showed that the model weighs in clinically relevant factors to estimate HRQoL, such as symptomatic status, body mass index and age. CONCLUSIONS Harnessing the power of the WISQOL questionnaire, our initial results indicate that the WISQOL-MLA can adequately predict a stone patient's HRQoL from readily available clinical information. The algorithm adequately relies on relevant clinical factors to make its HRQoL predictions. Future improvements to the model are needed for direct clinical applications.
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- 2020
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10. Ambulatory-Based Bladder Outlet Procedures Offer Significant Cost Savings and Comparable 30-Day Outcomes Relative to Inpatient Procedures
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David-Dan Nguyen, Naeem Bhojani, Manuel Ozambela, David F. Friedlander, Quoc-Dien Trinh, Gezzer Ortega, and Maya Marchese
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medicine.medical_specialty ,Surgical approach ,business.industry ,Urology ,Surgical care ,030232 urology & nephrology ,Cost savings ,03 medical and health sciences ,0302 clinical medicine ,030220 oncology & carcinogenesis ,Transurethral and Lower Tract Procedures ,Ambulatory ,medicine ,Bladder outlet ,Intensive care medicine ,business ,Insurance coverage - Abstract
Introduction and Objectives: Budgetary constraints and novel minimally invasive surgical approaches have resulted in surgical care being increasingly provided at ambulatory centers rather than traditional inpatient settings. Despite increasing use of ambulatory-based procedure for bladder outlet obstruction (BOO) procedures, little is known about the effect of care setting on perioperative outcomes and costs. We sought to compare 30-day readmissions rates and costs of BOO procedure performed in the ambulatory vs inpatient setting. Methods: Using Florida and New York all-payer data from the 2014 Healthcare Cost and Utilization Project State Databases, we identified patients who underwent transurethral resection, thermotherapy, or laser/photovaporization for BOO. Patient demographics, regional data, 30-day readmissions rates, and costs (from converted charges) associated with the index procedure and revisits were analyzed. Predictors of 30-day revisits were also identified by fitting a multivariate logistic regression model with facility-level clustering. Results: Of the 15,094 patients identified, 1444 (9.6%) had a 30-day revisit at a median cost of $4263.43. The 30-day readmission rate for inpatient cases was significantly higher than that of surgeries performed in the ambulatory setting (12.0% vs 8.1%, p
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- 2020
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11. Impact of health literacy on shared decision making for prostate‐specific antigen screening in the United States
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Quoc-Dien Trinh, Jesse D. Sammon, Matt Hayn, Moritz Hansen, Paul K. J. Han, Alexander P. Cole, Brandon A. Mahal, Kerry L. Kilbridge, and David-Dan Nguyen
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Male ,Oncology ,Cancer Research ,medicine.medical_specialty ,Decision Making ,Health literacy ,Logistic regression ,Odds ,Behavioral Risk Factor Surveillance System ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Risk Factors ,Internal medicine ,Humans ,Mass Screening ,Medicine ,030212 general & internal medicine ,Early Detection of Cancer ,Aged ,Aged, 80 and over ,business.industry ,Prostatic Neoplasms ,Odds ratio ,Middle Aged ,Prostate-Specific Antigen ,medicine.disease ,United States ,Confidence interval ,Health Literacy ,Prostate-specific antigen ,Cross-Sectional Studies ,Logistic Models ,030220 oncology & carcinogenesis ,Kallikreins ,business ,Decision Making, Shared - Abstract
BACKGROUND Current guidelines endorse shared decision making (SDM) for prostate-specific antigen (PSA) screening. The relationship between a patient's health literacy (HL) and SDM remains unclear. In the current study, the authors sought to identify the impact of HL on the rates of PSA screening and on the relationship between HL and SDM following the 2012 US Preventive Services Task Force recommendations against PSA screening. METHODS Using data from the 2016 Behavioral Risk Factor Surveillance System, the authors examined PSA screening in the 13 states that administered the optional "Health Literacy" module. Men aged ≥50 years were examined. Complex samples multivariable logistic regression models were computed to assess the odds of undergoing PSA screening. The interactions between HL and SDM were also examined. RESULTS A weighted sample of 12.249 million men with a rate of PSA screening of 33.4% were identified. Approximately one-third self-identified as having optimal HL. Rates of PSA screening were found to be highest amongst the highest HL group (42.2%). Being in this group was a significant predictor of undergoing PSA screening (odds ratio, 1.214; 95% confidence interval, 1.051-1.403). There was a significant interaction observed between HL and SDM (P for interaction
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- 2020
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12. Impact of surgical wait times during summer months on the oncological outcomes following robotic-assisted radical prostatectomy: 10 years’ experience from a large Canadian academic center
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Kevin C. Zorn, Assaad El-Hakim, Malek Meskawi, Hanna Shahine, Franziska Stolzenbach, Côme Tholomier, Félix Couture, Pierre I. Karakiewicz, David-Dan Nguyen, and Ahmed S. Zakaria
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Male ,Biochemical recurrence ,Canada ,medicine.medical_specialty ,Waiting Lists ,Robotic assisted ,Biopsy ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Risk Assessment ,Health Services Accessibility ,Time-to-Treatment ,03 medical and health sciences ,0302 clinical medicine ,Risk groups ,Robotic Surgical Procedures ,Outcome Assessment, Health Care ,medicine ,Humans ,Aged ,Neoplasm Staging ,Prostatectomy ,Health Services Needs and Demand ,biology ,business.industry ,General surgery ,Prostatic Neoplasms ,biology.organism_classification ,Wait time ,030220 oncology & carcinogenesis ,Cohort ,Seasons ,Neoplasm Recurrence, Local ,Capra ,business ,Cohort study - Abstract
Most Canadian hospitals face significant reductions in operating room access during the summer. We sought to assess the impact of longer wait times on the oncological outcomes of localized prostate cancer patients following robotic-assisted radical prostatectomy (RARP). We conducted a retrospective review of a prospectively maintained RARP database in two high-volume academic centers, between 2010 and 2019. Assessed outcomes included the difference between post-biopsy UCSF-CAPRA and post-surgical CAPRA-S scores, Gleason score upgrade and biochemical recurrence rates (BCR). Multivariable regression analyses (MVA) were used to evaluate the effect of wait times. A total of 1057 men were included for analysis. Consistent over a 10 year period, summer months had the lowest surgical volumes despite above average booking volumes. The lowest surgical volume occurred during the month of July (7.1 cases on average), which was 35% less than the cohort average. The longest average wait times occurred for patients booked in June (93 ± 69 days, p
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- 2020
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13. Oncological safety and functional outcomes of testosterone replacement therapy in symptomatic adult-onset hypogonadal prostate cancer patients following robot-assisted radical prostatectomy
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Dean Elterman, Adel Arezki, Assaad El-Hakim, Kevin C. Zorn, Ahmed S. Zakaria, Hanna Shahine, David-Dan Nguyen, Marc Zanaty, Russel Schwartz, Félix Couture, and Iman Sadri
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Male ,Nephrology ,Biochemical recurrence ,medicine.medical_specialty ,Multivariate analysis ,Hormone Replacement Therapy ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Logistic regression ,03 medical and health sciences ,Prostate cancer ,Postoperative Complications ,0302 clinical medicine ,Robotic Surgical Procedures ,Internal medicine ,medicine ,Clinical endpoint ,Humans ,Eunuchism ,Testosterone ,Aged ,Retrospective Studies ,Prostatectomy ,business.industry ,Prostatic Neoplasms ,Middle Aged ,medicine.disease ,Treatment Outcome ,030220 oncology & carcinogenesis ,Cohort ,business - Abstract
Testosterone replacement therapy (TRT) remains controversial in men with treated prostate cancer. We assessed its safety and functional impacts in patients after definitive surgical treatment with robotic-assisted radical prostatectomy (RARP). We performed a retrospective analysis of 1303 patients who underwent RARP during the years 2006–2019. We identified men with symptoms of andropause and low serum testosterone who received TRT post-RARP; then we divided the cohort into two groups accordingly for comparison. Biochemical recurrence (BCR) was the primary endpoint. Secondary endpoints included functional outcomes. Predictors of BCR, including the effect of TRT on BCR, were evaluated using univariable and multivariable logistic regression. Among the forty-seven men who received TRT, the mean age was 60.83 years with a median follow-up of 48 months. Three (6.4%) and 157 (12.56%) patients experienced BCR in TRT and non-TRT groups, respectively. Baseline characteristics were similar between both groups except for higher mean BMI in the TRT group (p = 0.03). In the multivariate analysis (MVA), higher pre-RARP prostate-specific antigen (PSA) (p = 0.043), higher International Society of Urological Pathology score (p
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- 2020
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14. Reasons to go for Rezūm steam therapy: an effective and durable outpatient minimally invasive procedure
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Ahmed S. Zakaria, Iman Sadri, Félix Couture, Russell N Schwartz, Dean Elterman, David-Dan Nguyen, Adel Arezki, Kevin C. Zorn, Kevin T. McVary, and Claus G. Roehrborn
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medicine.medical_specialty ,business.industry ,Urology ,medicine.medical_treatment ,Enucleation ,030232 urology & nephrology ,Impact index ,03 medical and health sciences ,0302 clinical medicine ,medicine.anatomical_structure ,Symptom relief ,Prostate ,030220 oncology & carcinogenesis ,medicine ,Photoselective vaporization ,Intensive care medicine ,Sexual function ,business ,Minimally invasive procedures ,Transurethral resection of the prostate - Abstract
In this review, we will discuss the state of the literature regarding Rezūm and opportunities for its application in the treatment of BPH. A comprehensive review of original research on convective water vapor thermal therapy (Rezūm) was conducted. Articles related to transurethral resection of the prostate, holmium laser enucleation of the prostate, Aquablation, and greenlight photoselective vaporization of the prostate were reviewed for discussion. Rezūm distinguishes itself from other treatment options by its durable improvement in objective clinical outcomes such as IPSS and BPH Impact Index, while being cost-effective and versatile in its ability to treat a variety of prostate gland morphologies. This treatment option shows good lower urinary tract symptom relief, especially in small-to-moderate prostate sizes (30–80 cc). The use of convective heat transfer is unique and allows for localized treatment, avoiding damage to surrounding structures, thus providing an excellent safety profile and sexual function preservation. The current evidence on Rezūm warrants its consideration as a therapeutic alternative to transurethral surgery in selected patients.
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- 2020
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15. Reasons to overthrow TURP: bring on Aquablation
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David-Dan Nguyen, Enrique Rijo, Ahmed S. Zakaria, Claus G. Roehrborn, Iman Sadri, Thorsten Bach, Russell N Schwartz, Kevin C. Zorn, Adel Arezki, Félix Couture, Dean Elterman, and Vincent Misrai
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medicine.medical_specialty ,Prostatectomy ,business.industry ,Urology ,medicine.medical_treatment ,Enucleation ,030232 urology & nephrology ,Holmium laser ,Prostatic enlargement ,Clinical trial ,03 medical and health sciences ,0302 clinical medicine ,medicine.anatomical_structure ,Prostate ,030220 oncology & carcinogenesis ,medicine ,Operative time ,business ,Transurethral resection of the prostate - Abstract
In this review, we will discuss the state of the literature regarding Aquablation, its limitations, and opportunities for its application in the treatment of benign prostatic enlargement (BPE). A comprehensive review of original research on Aquablation was conducted. Articles related to transurethral resection of the prostate, holmium laser enucleation of the prostate, greenlight photoselective vaporization of the prostate, and simple prostatectomy were reviewed for discussion. For small–medium prostates (30–80 mL), Aquablation’s main advantages include better ejaculatory function and similar functional outcomes compared to TURP. For large prostates (80–150 mL), Aquablation demonstrates shorter operative time and superior ejaculatory function when compared to simple prostatectomy, HoLEP, and Greenlight PVP. In addition, Aquablation displays shorter hospital stays than simple prostatectomy. The integration of software programming and semi-automatic technology increases the reproducibility of the procedure and helps standardize overall outcomes, while also accelerating the learning curve. Its ability to preserve antegrade ejaculation makes Aquablation a very compelling option for sexually active patients. However cost and postoperative bleeding risks remain a concern. The current evidence suggests that Aquablation is a safe and effective alternative for BPE for small to large prostates. Further prospective clinical trials, with comparisons to other BPE modalities, and data from longer follow-up periods are still required.
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- 2020
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16. Operative time comparison of aquablation, greenlight PVP, ThuLEP, GreenLEP, and HoLEP
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Naeem Bhojani, David-Dan Nguyen, Thorsten Bach, James E. Lingeman, Kevin C. Zorn, Dean Elterman, and Vincent Misrai
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medicine.medical_specialty ,business.industry ,Urology ,Enucleation ,030232 urology & nephrology ,Holmium laser ,Prostate size ,Resection ,03 medical and health sciences ,Small prostate ,0302 clinical medicine ,medicine.anatomical_structure ,Prostate ,030220 oncology & carcinogenesis ,medicine ,Operative time ,business ,Procedure time - Abstract
The BPH surgical armamentarium is composed of a rapidly expanding number of technologies and techniques. These include greenlight photovaporization of the prostate (PVP), greenlight enucleation of the prostate (GreenLEP), holmium laser enucleation of the prostate (HoLEP), thulium laser enucleation of the prostate (ThuLEP) and, more recently, the aquablation procedure. To the best of our knowledge, no direct comparison in operative time has been performed. Data for this study were pooled from five sources. For aquablation, patient-level data from four studies of the aquablation procedure were provided by the device manufacturer as well as from a high-volume commercial user. PVP, GreenLEP, HoLEP, and ThuLEP were performed by high-volume, experienced experts. Endpoints included total operative time, resection time, and proportion of total operative time for resection. General linear models were used to evaluate the relationship between prostate volume (or other continuous predictors) and procedure time. Total procedure time was related to prostate size. Except for the small prostate size range (size 40 cc.
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- 2020
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17. Pilot trial of telemedicine in urology: Video vs. telephone consultations
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Naeem Bhojani, Jean-Baptiste Lattouf, Anne Xuan-Lan Nguyen, David Bouhadana, Kahina Bensaadi, François Péloquin, Daniel Liberman, Manon Choinière, and David-Dan Nguyen
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Telemedicine ,medicine.medical_specialty ,Modalities ,Coronavirus disease 2019 (COVID-19) ,business.industry ,Urology ,Pilot trial ,MEDLINE ,Cost savings ,law.invention ,Outpatient visits ,Oncology ,Randomized controlled trial ,law ,Medicine ,business ,Original Research - Abstract
Introduction: In the past year, due to the COVID-19 pandemic, in-person clinical activities have been drastically restricted, driving the already growing interest in the use of telemedicine in the urban setting to reduce unnecessary commute. Therefore, there has been a rapid shift to telephone and video consultations in outpatient practice. We sought to conduct a pilot trial to establish feasibility and acceptability of video consultations as an alternative to telephone consultations in urology patients to inform the design of a future randomized controlled trial. Methods: We conducted a single-center, prospective, non-randomized pilot trial comparing telephone consultations (TC) vs. video consultations (VC) for urology outpatient visits. Two patient questionnaires were used to collect demographic information, as well as data about acceptability, feasibility, satisfaction, cost, and issues with telemedicine. Questions were identical for both VC and TC except for certain questions inquiring about issues specific to each technology. Results: Forty-eight TC and 66 VC urology patients were included in this study. Patients believed that telemedicine visits did not significantly hinder their ability to communicate with their urologists and that these visits would be associated with cost savings. There was 1/48 (2.1%) failed TC and 16/66 (24.2%) failed VC. VC failures were concentrated at the beginning of the trial prior to giving feedback to the VC platform creators, with only one failure occurring thereafter. When comparing TC to VC, differences between the two patient groups were small but tended to be in favor of VC. Patients’ satisfaction was greater with VC compared to TC. Both modalities were associated with many cost benefits for patients. Conclusions: Despite more technical issues with VC, this modality is feasible and acceptable to patients, likely due to improved shared decision-making with VC. Future considerations for trials comparing VC and TC should include adequate Wi-Fi infrastructure and choice of platform. For the VC, continuous knowledge transfer between investigators and platform engineers plays an important role in limiting failed encounters.
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- 2021
18. Assessing the Accuracy, Quality, and Readability of Information Related to the Surgical Management of Benign Prostatic Hyperplasia
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Bilal Chughtai, Naeem Bhojani, David Bouhadana, Dean Elterman, Iman Sadri, David-Dan Nguyen, Brendan Raizenne, Kevin C. Zorn, and Sai K. Vangala
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Male ,Prostatectomy ,medicine.medical_specialty ,Internet ,Modalities ,business.industry ,Urology ,General surgery ,medicine.medical_treatment ,Prostate ,Prostatic Hyperplasia ,Transurethral Resection of Prostate ,Readability ,medicine.anatomical_structure ,Interquartile range ,Quality Score ,medicine ,Humans ,business ,Comprehension ,Transurethral resection of the prostate ,Patient education - Abstract
Objectives: To assess the accuracy, quality, and readability of online educational health information in English related to the most common benign prostatic hyperplasia (BPH) guideline-approved surgical treatments. Methods: The terms "benign prostatic hyperplasia," "BPH," and all eight guideline-approved treatment modalities studied, were searched to retrieve the first five relevant websites and first two paid advertised websites related to the surgical treatment options for BPH. These modalities included transurethral resection of the prostate (TURP), GreenLight photovaporization, endoscopic enucleation of the prostate, Rezum, Urolift, Aquablation, open simple prostatectomy, and robotic simple prostatectomy (RSP). All relevant websites were assessed for their accuracy, quality, and readability using standardized scoring systems. Results: The mean accuracy score for each of the treatment modalities were all indicative of good accuracy, with 76%-99% of the information presented as being accurate. The median quality score was statistically different across the eight treatment modalities (p = 0.015). The median readability grade level was statistically different across the eight treatment modalities (p = 0.009). Websites that described TURP (median readability grade level, 9.00 [interquartile range (IQR) 8.00-10.80]) were significantly easier to read than those related to RSP (median readability grade level, 14.35 [IQR, 11.08-16.50]) (p = 0.011). No other statistically significant differences were found within the other treatment modality websites. Conclusions: The majority of websites retrieved were found to be of high accuracy, good quality, and poor readability. Additionally, it was found that none of the retrieved websites included descriptions for all the other included treatment modalities. Given these findings, the authors recommend the development of centralized resources with all guideline-approved treatment modalities and accurate, readable, and high-quality information related to the surgical treatment of BPH.
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- 2021
19. The Community Health and Social Medicine Incubator: a service-learning framework for medical student-led projects
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Anna de Waal, Saleem Razack, Owen D Luo, Liz Singh, Anne Xl Nguyen, Kacper Niburski, Julie de Meulemeester, Brianna Cheng, David Paterson, Kristin Hendricks, Mathew Thomson, David-Dan Nguyen, Koray Demir, and Andrew Dixon
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Medicine (General) ,business.industry ,education ,Service-learning ,Incubator ,Education (General) ,You Should Try This! ,Public relations ,Health equity ,R5-920 ,Social medicine ,General partnership ,Health care ,Community health ,ComputingMilieux_COMPUTERSANDEDUCATION ,General Materials Science ,Sociology ,L7-991 ,business ,Curriculum - Abstract
Implication StatementThe Community Health and Social Medicine (CHASM) Incubator is a social impact venture that gives medical and other health care students the opportunity to develop initiatives that sustainably promote health equity for, and in partnership with, community partners and historically marginalized communities. Students learn how to develop projects with project management curricula, are paired with community health mentors, and are given seed micro-financing. As the first community health incubator driven by medical students, CHASM provides a framework for students interested in implementing sustainable solutions to local health disparities which extends the service-learning opportunities offered in existing curricula., Énoncé des implications de la rechercheL’incubateur CHASM (Community Health and Social Medicine) est une initiative visant à créer un impact social en donnant aux étudiants en médecine et des autres sciences de la santé la possibilité de développer des initiatives durables en collaboration avec des partenaires communautaires et des communautés historiquement marginalisées. CHASM met en valeur l’équité en matière de santé. Les étudiants apprennent à élaborer des projets via un cursus de gestion de projet, sont jumelés à des mentors en santé communautaire et bénéficient de micro-financement de départ. Ce premier incubateur de santé communautaire mené par des étudiants en médecine fournit un cadre aux étudiants qui souhaitent mettre en œuvre des solutions durables aux inégalités en matière de santé. Il élargit également les possibilités d’apprentissage par le service offertes dans les cursus existants.
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- 2021
20. Does volume matter? Incorporating estimated stone volume in a nomogram to predict ureteral stone passage
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Naeem Bhojani, David-Dan Nguyen, Rami Nasr, Nassib Abou Heidar, Muhieddine Labban, M. Mansour, and Adnan El-Achkar
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medicine.diagnostic_test ,Receiver operating characteristic ,business.industry ,Urology ,Patient demographics ,Ureteral stone ,Computed tomography ,Nomogram ,Conservative treatment ,Predictive nomogram ,Oncology ,Volume (thermodynamics) ,Medicine ,business ,Nuclear medicine ,Original Research - Abstract
Introduction: Recent studies have shown that software-generated 3D stone volume calculations are better predictors of stone burden than measured maximal axial stone diameter. However, no studies have assessed the role of formula estimated stone volume, a more practical and cheaper alternative to software calculations, to predict spontaneous stone passage (SSP). Methods: We retrospectively included patients discharged from our emergency department on conservative treatment for ureteral stone (≤10 mm). We collected patient demographics, comorbidities, and laboratory tests. Using non-contrast computed tomography (CT) reports, stone width, length, and depth (w, l, d, respectively) were used to estimate stone volumes using the ellipsoid formula: V=π*l*w*d*0.167. Using a backward conditional regression, two models were developed incorporating either estimated stone volume or maximal axial stone diameter. A receiver operator characteristic (ROC) curve was constructed and the area under the curve (AUC) was computed and compared to the other model. Results: We included 450 patients; 243 patients (54%) had SSP and 207 patients (46%) failed SSP. The median calculated stone volume was significantly smaller among patients with SSP: 25 (14–60) mm3 vs. 113 (66–180) mm3 (p75 (OR 4.83, 95% CI 2.12–11.00), and proximal stone (OR 2.11, 95% CI 1.16–3.83). For every 1 mm3 increase in stone volume, the risk of SSP failure increased by 2.5%. The model explained 89.4% (0.864–0.923) of the variability in the outcome. This model was superior to the model including maximal axial diameter (0.881, 0.847–0.909, p=0.04). Conclusions: We present a nomogram incorporating stone volume to better predict SSP. Stone volume estimated using an ellipsoid formula can predict SSP better than maximal axial diameter.
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- 2021
21. PD20-08 INVESTIGATION OF SEXUAL DYSFUNCTION LINKED TO FINASTERIDE USE: A PHARMACOVIGILANCE ANALYSIS
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Quoc-Dien Trinh, Naeem Bhojani, Peter Herzog, Shehzad Basaria, David-Dan Nguyen, Khalid Alkhatib, Logan Briggs, Dean Elterman, and Eugene B. Cone
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medicine.medical_specialty ,business.industry ,Urology ,Hyperplasia ,urologic and male genital diseases ,medicine.disease ,Dermatology ,chemistry.chemical_compound ,Sexual dysfunction ,chemistry ,Pharmacovigilance ,medicine ,Finasteride ,medicine.symptom ,business - Abstract
INTRODUCTION AND OBJECTIVE:Finasteride, a 5α-reductase inhibitor, is used in the management of alopecia and benign prostatic hyperplasia (BPH). Previous reports suggest that some men taking finaste...
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- 2021
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22. MP57-13 AGE-STRATIFIED POTENCY OUTCOMES OF BILATERAL NERVE SPARING ROBOTIC-ASSISTED RADICAL PROSTATECTOMY
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Ahmed S. Zakaria, David-Dan Nguyen, Pierre I. Karakiewicz, Kevin C. Zorn, Adel Arezki, Iman Sadri, Dean Elterman, and Félix Couture
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medicine.medical_specialty ,Retrospective review ,Nerve sparing ,Robotic assisted ,business.industry ,Prostatectomy ,Urology ,medicine.medical_treatment ,humanities ,Surgery ,body regions ,medicine ,Potency ,business - Abstract
INTRODUCTION AND OBJECTIVE:This study aims to report age-stratified potency outcomes in Canadian men undergoing robot-assisted radical prostatectomy (RARP).METHODS:A retrospective review was perfor...
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- 2021
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23. PD19-01 AGE-STRATIFIED CONTINENCE OUTCOMES OF ROBOTIC-ASSISTED RADICAL PROSTATECTOMY
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Adel Arezki, David-Dan Nguyen, Kevin C. Zorn, Ahmed S. Zakaria, Pierre I. Karakiewicz, Félix Couture, and Iman Sadri
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medicine.medical_specialty ,Quality of life (healthcare) ,business.industry ,Robotic assisted ,Prostatectomy ,Urology ,General surgery ,medicine.medical_treatment ,Medicine ,business - Abstract
INTRODUCTION AND OBJECTIVE:Incontinence after robot-assisted radical prostatectomy (RARP) significantly impacts quality of life. This study aims to compare the age-stratified continence outcomes in...
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- 2021
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24. MP09-09 ASSESSING THE SAFETY AND EFFICACY OF TURP VS. LASER PROSTATECTOMY FOR THE TREATMENT OF BENIGN PROSTATIC HYPERPLASIA IN MULTIMORBID AND ELDERLY INDIVIDUALS AGED ≥75: AN ANALYSIS OF SPARCS
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Alexis E. Te, Naeem Bhojani, David Bouhadana, Dean Elterman, Bilal Chughtai, Kevin C. Zorn, and David-Dan Nguyen
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medicine.medical_specialty ,business.industry ,Urology ,medicine.medical_treatment ,Elderly population ,medicine ,Laser prostatectomy ,Hyperplasia ,urologic and male genital diseases ,medicine.disease ,business ,Transurethral resection of the prostate - Abstract
INTRODUCTION AND OBJECTIVE:Clinicians often hesitate to perform transurethral resection of the prostate (TURP) in the multimorbid and elderly population, as they may be more prone to peri-operative...
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- 2021
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25. MP58-11 COMPARISON OF COMORBIDITY INDICES FOR PREDICTION OF MORBIDITY AND MORTALITY AFTER MAJOR SURGICAL PROCEDURES
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Joachim Noldus, David-Dan Nguyen, Matthew Mossanen, Asha Ayub, Peter Herzog, Eugene B. Cone, Quoc-Dien Trinh, and Lorine Haeuser
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medicine.medical_specialty ,business.industry ,Urology ,Emergency medicine ,Medicine ,Surgical procedures ,business ,medicine.disease ,Comorbidity - Published
- 2021
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26. MP01-17 ASSESSING THE ACCURACY, QUALITY, AND READABILITY OF ONLINE EDUCATIONAL HEALTH INFORMATION RELATED TO THE SURGICAL MANAGEMENT OF BENIGN PROSTATIC HYPERPLASIA
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Dean Elterman, David-Dan Nguyen, Bilal Chughtai, Sai K. Vangala, Naeem Bhojani, Brendan Raizenne, Kevin C. Zorn, Iman Sadri, and David Bouhadana
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medicine.medical_specialty ,business.industry ,Urology ,media_common.quotation_subject ,Hyperplasia ,urologic and male genital diseases ,medicine.disease ,Readability ,Medicine ,Quality (business) ,Medical physics ,Health information ,business ,media_common - Abstract
INTRODUCTION AND OBJECTIVE:Given the many treatments available for benign prostatic hyperplasia (BPH), patients may seek to learn more about these treatments with the help of online resources in or...
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- 2021
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27. PD23-07 WATER VS WATER II: THREE YEAR COMPARISON OF AQUABLATION THERAPY FOR BENIGN PROSTATIC HYPERPLASIA
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Dean Elterman, David-Dan Nguyen, Naeem Bhojani, and Kevin C. Zorn
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medicine.medical_specialty ,Lower urinary tract symptoms ,business.industry ,Urology ,medicine ,Hyperplasia ,urologic and male genital diseases ,medicine.disease ,business - Abstract
INTRODUCTION AND OBJECTIVE:Surgical options are limited when treating large (>80cc) prostates for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) and open simple prost...
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- 2021
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28. Functional and perioperative outcomes in elderly men after robotic-assisted radical prostatectomy for prostate cancer
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Pierre I. Karakiewicz, Ahmed S. Zakaria, Hanna Shahine, David-Dan Nguyen, Cristina Negrean, Malek Meskawi, Samer L. Traboulsi, Kyle W Law, Kevin C. Zorn, and Assaad El Hakim
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Nephrology ,medicine.medical_specialty ,Retrospective review ,business.industry ,Robotic assisted ,Prostatectomy ,Urology ,medicine.medical_treatment ,Hazard ratio ,030232 urology & nephrology ,Perioperative ,medicine.disease ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,030220 oncology & carcinogenesis ,Internal medicine ,medicine ,business - Abstract
We aimed to compare postoperative functional outcomes following robotic-assisted radical prostatectomy (RARP) in elderly men with localized prostate cancer. A retrospective review of a prospectively maintained database of men who underwent RARP between January 2007 and November 2018 was performed. Patients over 65 years of age were selected (N = 302) and then stratified by age group: 66–69 years old (N = 214) and ≥ 70 years old (N = 88). Full continence was defined as strict 0-pad per day usage. Preoperative potency included those with a Sexual Health Inventory for Men score ≥ 17. Preoperative and postoperative functional outcomes were assessed. Kaplan–Meier analysis was used to estimate time to recovery of continence in both groups. Both groups had comparable preoperative parameters. Continence rates at 1, 3, 6, 9, 12, 18 and 24 months in the 66–69-year-old group were 6%, 34%, 61%, 70%, 74%, 80% and 87%, respectively. Comparatively in the ≥ 70-year-old group, continence rates were significantly lower at all time points (3%, 22%, 50%, 56%, 66%, 69% and 75%, respectively). Men in the 66–69-year-old group were significantly more likely to be continent after RARP when compared to patients 70 years of age and above [(Hazards ratio (HR) 0.73; 95%confidence interval 0.54–0.97, (p = 0.035)]. Our results suggest that RARP is feasible in elderly patients. Nevertheless, elderly patients in the ≥ 70-year-old group had significantly inferior postoperative continence rates compared to patients aged 66–69 years. Such information is valuable when counselling men during preoperative RARP planning to ensure that they have realistic postoperative expectations.
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- 2020
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29. Waterjet Ablation Therapy for Endoscopic Resection of prostate tissue trial (WATER) vs WATER II: comparing Aquablation therapy for benign prostatic hyperplasia in 30–80 and 80–150 mL prostates
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Peter J. Gilling, Mihir M. Desai, Ronald P. Kaufman, Naeem Bhojani, Jim Lingeman, Kevin C. Zorn, Alan So, David-Dan Nguyen, Paul Anderson, Steven A. Kaplan, Dean Elterman, Mitch Humphreys, Mo Bidair, Claus G. Roehrborn, Neil Barber, Ryan F. Paterson, Larry Goldenberg, and Gopal H. Badlani
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Ablation Techniques ,Male ,medicine.medical_specialty ,Robotics and Laparoscopy ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Prostatic Hyperplasia ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Double-Blind Method ,Lower Urinary Tract Symptoms ,Lower urinary tract symptoms ,Prostate ,medicine ,Humans ,Prospective Studies ,Prospective cohort study ,Transurethral resection of the prostate ,Aged ,Aquablation ,Aged, 80 and over ,Robotics & Laparoscopy ,benign prostatic hyperplasia ,business.industry ,Water ,Endoscopy ,Robotics ,Organ Size ,Middle Aged ,medicine.disease ,Clinical trial ,#UroBPH ,medicine.anatomical_structure ,030220 oncology & carcinogenesis ,Urologic disease ,International Prostate Symptom Score ,business - Abstract
Objective To compare the outcomes of Aquablation in 30-80 mL prostates with those in 80-150 mL prostates. Surgical options, especially with short learning curves, are limited when treating large prostates for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). Aquablation (AquaBeam System, PROCEPT BioRobotics Inc., Redwood City, CA, USA) could solve this issue with global reproducibility, independent of prostate volume. Patients and methods Waterjet Ablation Therapy for Endoscopic Resection of prostate tissue (WATER [W-I]; NCT02505919) is a prospective, double-blind, multicentre, international clinical trial comparing Aquablation and transurethral resection of the prostate (TURP) for the treatment of LUTS/BPH in prostates between 30 and 80 mL. WATER II (W-II; NCT03123250) is a prospective, multicentre, single-arm international clinical trial of Aquablation in prostates between 80 and 150 mL. We compare baseline parameters and 12-month outcomes in 116 W-I and 101 W-II study patients. Students' t-test or Wilcoxon tests were used for continuous variables and Fisher's test for binary variables. Results The mean (SD) operative time was 33 (17) and 37 (13) min in W-I and W-II, respectively. Actual treatment time was 4 and 8 min in W-I and W-II, respectively. The mean change in the International Prostate Symptom Score was substantial averaging (at 12 months) 15.1 in W-I and 17.1 in W-II (P = 0.605). By 3 months, Clavien-Dindo grade ≥II events occurred in 19.8% of W-I patients and 34.7% of W-II patients (P = 0.468). Conclusion Aquablation clinically normalises outcomes between patients with 30-80 mL prostates and patients with 80-150 mL prostates treated for LUTS/BPH, with an expected increase in the risk of complications in larger prostates. Long-term outcomes of procedure durability are needed.
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- 2019
30. Percutaneous Nephrolithotomy Access: A Systematic Review of Intraoperative Assistive Technologies
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Naeem Bhojani, David-Dan Nguyen, Thomas Tailly, and Jack W. Luo
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medicine.medical_specialty ,business.industry ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Nephrolithotomy, Percutaneous ,Self-Help Devices ,Renal stone disease ,Collection system ,Imaging modalities ,Intraoperative Period ,Kidney Calculi ,03 medical and health sciences ,0302 clinical medicine ,030220 oncology & carcinogenesis ,Humans ,Medicine ,Current technology ,Medical physics ,business ,Percutaneous nephrolithotomy - Abstract
Percutaneous nephrolithotomy (PCNL) is the current gold standard for the treatment of large and complex renal stone disease. It is a complex procedure that requires skill and experience. The most challenging step and key requisite of a successful PCNL is establishing optimal access to the renal collecting system with imaging modalities. To increase safety and efficacy in this crucial step, and with ongoing advancements in current technology, several aids have been developed to assist the urologist and help accurately guide the needle to the target. The goal of this systematic review was to identify and discuss these innovations.
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- 2019
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31. Delay in surgery for cT1b-2 kidney cancer beyond 90 days is associated with poorer survival: implications for prioritization during the COVID-19 pandemic
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Axel Bex, R. Barod, David-Dan Nguyen, Marco Paciotti, Adam S. Kibel, Eugene B. Cone, John Jeff Webster, Quoc-Dien Trinh, Matthew Mossanen, Maya Marchese, Wei-Shen Tan, and Steven L. Chang
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Prioritization ,medicine.medical_specialty ,2019-20 coronavirus outbreak ,Coronavirus disease 2019 (COVID-19) ,business.industry ,Urology ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,MEDLINE ,medicine.disease ,Nephrology ,Pandemic ,medicine ,Intensive care medicine ,business ,Kidney cancer - Published
- 2021
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32. Association of Hair Loss With Suicidality and Psychological Adverse Events vs Finasteride Use-Reply
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Quoc-Dien Trinh, David-Dan Nguyen, and Eugene B. Cone
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medicine.medical_specialty ,business.industry ,Finasteride ,MEDLINE ,Alopecia ,Dermatology ,medicine.disease ,Suicidal Ideation ,chemistry.chemical_compound ,Suicide ,Hair loss ,5-alpha Reductase Inhibitors ,chemistry ,Internal medicine ,medicine ,Humans ,Adverse effect ,Association (psychology) ,business - Published
- 2021
33. The interaction between inflammation, urinary symptoms and erectile dysfunction in early‐stage prostate cancer treated with brachytherapy
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Daniel Taussky, Fred Saad, David-Dan Nguyen, Alexandre Alcaidinho, Daniel Liberman, Kevin C. Zorn, and Guila Delouya
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Male ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,Brachytherapy ,030232 urology & nephrology ,Gastroenterology ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Endocrinology ,Erectile Dysfunction ,Prostate ,Diabetes mellitus ,Internal medicine ,Humans ,Medicine ,Adverse effect ,Inflammation ,030219 obstetrics & reproductive medicine ,business.industry ,Surrogate endpoint ,Prostatic Neoplasms ,General Medicine ,medicine.disease ,medicine.anatomical_structure ,Erectile dysfunction ,business ,Sexual function - Abstract
Erectile function has been shown to decline as a function of increasing peripheral blood inflammatory markers, namely the neutrophil-to-lymphocyte ratio (NLR). We evaluated if the association between NLR and erectile dysfunction (ED) applies to patients with localised prostate cancer. We included 1,282 patients who underwent brachytherapy. ED was classified before treatment according to the Terminology Criteria for Adverse Event Scale version 3.0. ED was defined as the need for the use of oral pharmacologic or mechanical assistance to have satisfactory sexual function. We found that patients with ED were older (p
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- 2021
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34. Soaring minds: the flight of Israel's economists
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Ben-David, Dan
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Tel Aviv University ,European Union. European Commission ,Organisation for Economic Co-operation and Development ,Emigration and immigration -- Case studies ,Universities and colleges -- Case studies ,Business ,Economics ,Case studies - Abstract
The brain drain issue used to revolve primarily around migration from developing to developed countries. In recent years, there is an accumulation of evidence that this is an issue that should interest developed countries as well. Recently published numbers by the European Commission and the Organization for Economic Co-operation and Development indicate a nonnegligible flow of European academics to American universities. This article provides the first case study conducted on the most massive out-migration of academics on record. At a time when Europe and other developed countries have begun to express concern about the phenomenon, the rate of academic emigration from Israel to the United States is already four to six times the European emigration rate. The particular focus here is on the area of economics, in which the exodus of younger academics from Israel coupled with a heightened retirement rate among the older academics has brought Israel's top economics departments--among the best in the world, until now--to the brink. Countries wanting to create conditions for fostering and nurturing the necessary productivity advances underlying economic growth must become aware of how far and how quickly an academic implosion can occur, if left unchecked. The findings brought forth here should help increase the level of this awareness. (JEL A11, F22, H52, H83, I23, J31, J61, 015), I. INTRODUCTION The 'brain drain' economics literature has traditionally tended to focus more on issues of migration from developing countries to developed countries. (1) This has begun to change in [...]
- Published
- 2009
35. Limitations of using the National Cancer Database to examine the effect of policy change on stage at presentation at the population level
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Quoc-Dien Trinh, David-Dan Nguyen, and Alexander P. Cole
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medicine.medical_specialty ,Population level ,business.industry ,media_common.quotation_subject ,Health services research ,Cancer ,Dermatology ,medicine.disease ,Presentation ,Policy ,Neoplasms ,Family medicine ,medicine ,Humans ,Stage (cooking) ,business ,media_common - Published
- 2021
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36. Systematic Review of Time to Definitive Treatment for Intermediate Risk and High Risk Prostate Cancer: Are Delays Associated with Worse Outcomes?
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Adam S. Kibel, Marco Paciotti, David-Dan Nguyen, Quoc-Dien Trinh, Stuart R. Lipsitz, Eugene B. Cone, Jacqueline Cellini, Chanan Reitblat, Atish D. Choudhury, and Lorine Haeuser
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Receipt ,Oncology ,Male ,medicine.medical_specialty ,business.industry ,Urology ,Definitive Therapy ,030232 urology & nephrology ,Time to treatment ,Prostatic Neoplasms ,Disease ,medicine.disease ,Risk Assessment ,Time-to-Treatment ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Treatment Outcome ,Internal medicine ,Medicine ,Humans ,Stage (cooking) ,business ,Intermediate risk - Abstract
Prostate cancer is most commonly an indolent disease, especially when detected at a localized stage. Unlike other tumors that may benefit from timely receipt of definitive therapy, it is generally accepted that treatment delays for localized prostate cancer are acceptable, especially for low risk prostate cancer. Since treatment delay for intermediate risk and high risk disease is more controversial, we sought to determine if delays for these disease states negatively impacted oncological outcomes.We conducted a systematic review of the literature with searches of Medline, EMBASE and the Cochrane Database of Systematic Reviews from inception to June 30, 2020. General study characteristics as well as study population and delay information were collected. The outcomes of interest extracted included biochemical recurrence, pathological features (positive surgical margins, upgrading, extracapsular extension, and other pathological features), cancer specific survival and overall survival.After identifying 1,793 unique references, 24 manuscripts met criteria for data extraction, 15 of which were published after 2013. Based on our review, delays up to 3 months are safe for all localized prostate cancer and are not associated with worse oncological outcomes. Some studies identified worse oncological outcomes as a result of delays beyond 6 to 9 months. However, these studies are counterbalanced by others finding no statistically significant association with delays up to 12 months. Studies that did find worse outcomes as a result of delays identified a higher risk of biochemical recurrence and worse pathological outcomes but not worse cancer specific or overall survival.Definitive treatment for intermediate risk and high risk prostate cancer can be delayed up to 3 months without any oncological consequences. Some evidence suggests that there is a higher risk of biochemical recurrence and worse pathological outcomes associated with delays beyond 6 to 9 months. To date, there are no reports of worse cancer specific survival or overall survival as a result of delayed treatment for intermediate risk and high risk prostate cancer.
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- 2021
37. A Novel Method for GreenLight MoXy Laser Fiber Irrigation System to Improve Performance and Durability: A New Standard of Care?
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Kevin C. Zorn, Kyle W Law, Earol Byrne, Ana Maria Mejia, Changyi Lai, Dean Elterman, Ray Langan, Vincent Misrai, James Baker, David-Dan Nguyen, Enrique Rijo, Paul O’Neill, Thomas Hasenberg, Nick Fedas, John Tarasidis, and Ahmed S. Zakaria
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Male ,medicine.medical_specialty ,Irrigation ,Standard of care ,Saline irrigation ,business.industry ,Swine ,Urology ,Lasers ,Prostatic Hyperplasia ,Standard of Care ,Hyperplasia ,medicine.disease ,Durability ,Treatment Outcome ,medicine ,Laser fiber ,Animals ,Humans ,Benign prostatic hyperplasia (BPH) ,Laser Therapy ,Volatilization ,business - Abstract
Introduction and Objectives: The GreenLight™ MoXy® laser fiber has been used since 2010 for benign prostatic hyperplasia procedures. We tested a novel principle to increase the saline irrigation fl...
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- 2021
38. The impact of delaying acute kidney stone surgery on outcomes
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Naeem Bhojani, Anis Assad, Iman Sadri, and David-Dan Nguyen
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medicine.medical_specialty ,Oncology ,business.industry ,Urology ,medicine ,Time to treatment ,Kidney stones ,business ,medicine.disease ,Surgery - Abstract
NA
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- 2021
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39. Comparison of comorbidity indices for prediction of morbidity and mortality after major surgical procedures
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Matthew Mossanen, Joachim Noldus, Quoc-Dien Trinh, Eugene B. Cone, David-Dan Nguyen, Lorine Haeuser, Asha Ayub, and Peter Herzog
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Male ,medicine.medical_specialty ,Index (economics) ,Frailty Index ,Comorbidity ,Risk Assessment ,03 medical and health sciences ,0302 clinical medicine ,Postoperative Complications ,mental disorders ,medicine ,Humans ,Perioperative Period ,Aged ,Retrospective Studies ,Frailty ,business.industry ,Reproducibility of Results ,030208 emergency & critical care medicine ,General Medicine ,Perioperative ,Surgical procedures ,Length of Stay ,Middle Aged ,medicine.disease ,Decision curve analysis ,030220 oncology & carcinogenesis ,Charlson comorbidity index ,Surgical Procedures, Operative ,Emergency medicine ,Surgery ,Female ,business ,Comorbidity index - Abstract
Assessing perioperative risk is essential for surgical decision-making. Our study compares the accuracy of comorbidity indices to predict morbidity and mortality.Analyzing the National Surgical Quality Improvement Program, 16 major procedures were identified and American Society of Anesthesiologists (ASA), Charlson Comorbidity Index and modified Frailty Index were calculated. We fit models with each comorbidity index for prediction of morbidity, mortality, and prolonged length of stay (pLOS). Decision Curve Analysis determined the effectiveness of each model.Of 650,437 patients, 11.7%, 6.0%, 17.0% and 0.75% experienced any, major complication, pLOS, and mortality, respectively. Each index was an independent predictor of morbidity, mortality, and pLOS (p 0.05). While the indices performed similarly for morbidity and pLOS, ASA demonstrated greater net benefit for threshold probabilities of 1-5% for mortality.Models including readily available factors (age, sex) already provide a robust estimation of perioperative morbidity and mortality, even without considering comorbidity indices. All comorbidity indices show similar accuracy for prediction of morbidity and pLOS, while ASA, the score easiest to calculate, performs best in prediction of mortality.
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- 2021
40. Development of a patient decision aid for the surgical management of lower urinary tract symptoms secondary to benign prostatic hyperplasia
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Dean Elterman, Hassan Razvi, Joseph A. Schwarcz, Ryan F. Paterson, David Bouhadana, David-Dan Nguyen, Paul Martin, Kristen McAlpine, Naeem Bhojani, Harvey Gordon, Kevin C. Zorn, and Luke T. Lavallée
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Male ,medicine.medical_specialty ,Health Knowledge, Attitudes, Practice ,Urology ,MEDLINE ,Prostatic Hyperplasia ,Review Literature as Topic ,Health knowledge ,Severity of Illness Index ,Decision Support Techniques ,Postoperative Complications ,Quality of life ,Lower urinary tract symptoms ,Severity of illness ,Medicine ,Humans ,Intensive care medicine ,Prostatectomy ,business.industry ,Prostate ,Organ Size ,Hyperplasia ,medicine.disease ,Quality of Life ,business ,Decision Making, Shared ,Prostatism - Published
- 2020
41. Impact of COVID-19 on Canadian anesthesia resident matching: challenges and opportunities for applicants
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David-Dan Nguyen, Kacper Niburski, Natalie Buu, and Pablo Ingelmo
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2019-20 coronavirus outbreak ,Matching (statistics) ,medicine.medical_specialty ,Canada ,Coronavirus disease 2019 (COVID-19) ,business.industry ,Pain medicine ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,MEDLINE ,COVID-19 ,Internship and Residency ,General Medicine ,Anesthesiology and Pain Medicine ,Anesthesia ,Anesthesiology ,Correspondence ,Medicine ,Humans ,School Admission Criteria ,business - Published
- 2020
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42. Investigation of Suicidality and Psychological Adverse Events in Patients Treated With Finasteride
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Shehzad Basaria, Naeem Bhojani, Marco Paciotti, Eugene B. Cone, David-Dan Nguyen, Quoc-Dien Trinh, and Maya Marchese
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Adult ,Male ,medicine.medical_specialty ,Adolescent ,Prostatic Hyperplasia ,Dermatology ,Anxiety ,030207 dermatology & venereal diseases ,03 medical and health sciences ,chemistry.chemical_compound ,Pharmacovigilance ,Young Adult ,0302 clinical medicine ,5-alpha Reductase Inhibitors ,Sex Factors ,Internal medicine ,Medicine ,Adverse Drug Reaction Reporting Systems ,Humans ,Adverse effect ,Depression (differential diagnoses) ,Original Investigation ,business.industry ,Depression ,Finasteride ,Age Factors ,Alopecia ,Odds ratio ,Dutasteride ,Suicide ,chemistry ,030220 oncology & carcinogenesis ,Case-Control Studies ,Female ,medicine.symptom ,business ,Tamsulosin hydrochloride - Abstract
ImportanceThere is ongoing controversy about the adverse events of finasteride, a drug used in the management of alopecia and benign prostatic hyperplasia (BPH). In 2012, reports started emerging on men who had used finasteride and either attempted or completed suicide.ObjectiveTo investigate the association of suicidality (ideation, attempt, and completed suicide) and psychological adverse events (depression and anxiety) with finasteride use.Design, Setting, and ParticipantsThis pharmacovigilance case-noncase study used disproportionality analysis (case-noncase design) to detect signals of adverse reaction of interest reported with finasteride in VigiBase, the World Health Organization’s global database of individual case safety reports. To explore the strength of association, the reporting odds ratio (ROR), a surrogate measure of association used in disproportionality analysis, was used. Extensive sensitivity analyses included stratifying by indication (BPH and alopecia) and age (≤45 and >45 years); comparing finasteride signals with those of drugs with different mechanisms but used for similar indications (minoxidil for alopecia and tamsulosin hydrochloride for BPH); comparing finasteride with a drug with a similar mechanism of action and adverse event profile (dutasteride); and comparing reports of suicidality before and after 2012. Data were obtained in June 2019 and analyzed from January 25 to February 28, 2020.ExposuresReported finasteride use.Main Outcomes and MeasuresSuicidality and psychological adverse events.ResultsVigiBase contained 356 reports of suicidality and 2926 reports of psychological adverse events (total of 3282 adverse events of interest) in finasteride users (3206 male [98.9%]; 615 of 868 [70.9%] with data available aged 18-44 years). A significant disproportionality signal for suicidality (ROR, 1.63; 95% CI, 1.47-1.81) and psychological adverse events (ROR, 4.33; 95% CI, 4.17-4.49) in finasteride was identified. In sensitivity analyses, younger patients (ROR, 3.47; 95% CI, 2.90-4.15) and those with alopecia (ROR, 2.06; 95% CI, 1.81-2.34) had significant disproportionality signals for increased suicidality; such signals were not detected in older patients with BPH. Sensitivity analyses also showed that the reports of these adverse events significantly increased after 2012 (ROR, 2.13; 95% CI, 1.91-2.39).Conclusions and RelevanceIn this pharmacovigilance case-noncase study, significant RORs of suicidality and psychological adverse events were associated with finasteride use in patients younger than 45 years who used finasteride for alopecia. The sensitivity analyses suggest that these disproportional signals of adverse events may be due to stimulated reporting and/or younger patients being more vulnerable to finasteride’s adverse effects.
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- 2020
43. Which Anatomic Structures Should Be Preserved During Aquablation Contour Planning to Optimize Ejaculatory Function? A Case-control Study Using Ultrasound Video Recordings to Identify Surgical Predictors of Postoperative Anejaculation
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David-Dan Nguyen, Naeem Bhojani, Surag S. Mantri, Dean Elterman, Vincent Misrai, and Kevin C. Zorn
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Ablation Techniques ,Male ,medicine.medical_specialty ,Ejaculation ,Urology ,030232 urology & nephrology ,Prostatic Hyperplasia ,Video Recording ,Ejaculatory duct ,03 medical and health sciences ,0302 clinical medicine ,Postoperative Complications ,medicine ,Humans ,Aged ,Ultrasonography ,Aged, 80 and over ,Prostatectomy ,Univariate analysis ,business.industry ,Ultrasound ,Univariate ,Water ,Odds ratio ,Middle Aged ,Sexual Dysfunction, Physiological ,medicine.anatomical_structure ,030220 oncology & carcinogenesis ,Case-Control Studies ,Radiology ,Sexual function ,business ,Organ Sparing Treatments ,Anejaculation - Abstract
Objective To identify key anatomic structures that should be preserved to decrease postoperative anejaculation after Aquablation. Methods We conducted a case-control study design using patient data and operative video logs from Aquablation clinical trials. Cases were sexually active participants with functional baseline ejaculation and postoperative anejaculation. Controls were sexually active participants with functional baseline ejaculation and no postoperative decline in sexual function. Each case was matched to 1 or 2 controls. Video logs from the procedure were scored for: verumontanum cut coverage, penetration of ejaculatory ducts, depth of cut below the verumontanum, angle offset of verumontanum to centerline of protection zone, number of passes, and intraprostatic calcifications. Conditional logistic regression was used to calculate univariate odds ratios relating anatomic findings to case/control status. Results We identified 24 cases and 27 controls. In univariate analysis, predictors of postoperative anejaculation were: penetration of the ejaculatory ducts (odds ratio [OR] 8.6 [95% CI 1.09-67.5], P = .041) and depth below the verumontanum (OR 1.92 [1.1-3.3], P = .015). Conclusion Violation of anatomic structures involved in ejaculation during the Aquablation procedure increases the risk of postoperative anejaculation. More careful attention to these structures during contour planning may further improve ejaculatory function after Aquablation.
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- 2020
44. Response to Loughlin re: 'Ambulatory-Based Bladder Outlet Procedures Offer Significant Cost Savings and Comparable 30-Day Outcomes Relative to Inpatient Surgery' by Nguyen et al
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David F. Friedlander, David-Dan Nguyen, and Quoc-Dien Trinh
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medicine.medical_specialty ,Inpatients ,business.industry ,Urology ,Urinary Bladder ,MEDLINE ,New York ,Medicare ,Patient Readmission ,United States ,Cost savings ,Hospitalization ,Ambulatory Surgical Procedures ,Cost Savings ,Emergency medicine ,Ambulatory ,Transurethral and Lower Tract Procedures ,medicine ,Florida ,Bladder outlet ,Humans ,business ,Aged - Published
- 2020
45. Virtual 'matchmaking' without visiting electives: Overview of the early U.S. experience and potential applications to the 2021 Canadian urology match
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Félix Couture, Wilson Sui, Boris Gershman, Naeem Bhojani, Ajay K. Singla, Ruslan Korets, Juan J. Andino, George E. Haleblian, Kristen R. Scarpato, Chanan Reitblat, Martin Kathrins, Paul Perrotte, David-Dan Nguyen, Kate H. Kraft, Jason Y. Lee, and Eugene B. Cone
- Subjects
2019-20 coronavirus outbreak ,Medical education ,Oncology ,Coronavirus disease 2019 (COVID-19) ,business.industry ,Urology ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,MEDLINE ,Residents’ Room ,Medicine ,business - Abstract
N/A
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- 2020
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46. Validation of the French version of the Wisconsin Quality of Life (WISQOL) questionnaire for patients with urolithiasis
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Kristina L. Penniston, Naeem Bhojani, Nare-Gacia Topouzian, Ghizlane Moussaoui, Mei Juan Trudel, Garo-Shant Topouzian, David-Dan Nguyen, and Sero Andonian
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medicine.medical_specialty ,business.industry ,Urology ,Significant difference ,Spearman's rank correlation coefficient ,Tertiary care ,Correlation ,Oncology ,Quality of life ,Cronbach's alpha ,Physical therapy ,Medicine ,Medical history ,business ,Original Research ,Rank correlation - Abstract
Introduction: The Wisconsin Stone Quality of Life (WISQOL) questionnaire has been recently developed to objectively assess QOL in patients with urolithiasis. However, French version of the questionnaire was lacking. Therefore, the aim of the present study was to develop and validate the French version of this tool. Methods: The French version of the WISQOL (F-WISQOL) was developed in a multi-step process involving primary translation, back-translation and pilot testing amongst a group of patients (n=12). Urolithiasis patients from two tertiary care institutions were recruited into this study and completed 3 questionnaires: Perceived Stress Scale-10, medical history form and either the WISQOL or F-WISQOL. Internal consistency was assessed using Cronbach’s α and inter-domain associations were evaluated using Spearman’s rank correlation (r). One-way ANOVA was used to compare scores from the two groups (WISQOL and F-WISQOL). Results: A total of 210 patients were enrolled in this study; 68 in the WISQOL group and 148 in the F-WISQOL group. Internal consistency was high for all domains in both groups (F-WISQOL: 0.924-0.970; WISQOL: 0.888-0.965). No statistically significant difference was found between the two groups’ scores. Inter-domain association, measured by Spearman correlation, was moderate to very strong between all of the domains in the F-WISQOL. Values ranged from r=0.676-0.915, with acceptable correlation between D1, D2 and D3, but weaker correlation between D4 (vitality) and the 3 other domains r=0.676-0.729. Conclusions: In the present study, the French version of the WISQOL questionnaire (F-WISQOL) was validated at two academic institutions.
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- 2020
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47. Impact of high-intensity local treatment on overall survival in stage IV upper tract urothelial carcinoma
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Quoc-Dien Trinh, Daniele Modonutti, Lorine Haeuser, Giovanni Lughezzani, David-Dan Nguyen, Adam S. Kibel, Marco Paciotti, Stuart R. Lipsitz, Alexander P. Cole, and Matthew Mossanen
- Subjects
Male ,medicine.medical_specialty ,Urology ,030232 urology & nephrology ,Gastroenterology ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,medicine ,Overall survival ,Humans ,Radical surgery ,Survival analysis ,Aged ,Neoplasm Staging ,Aged, 80 and over ,Carcinoma, Transitional Cell ,Proportional hazards model ,business.industry ,Ureteral Neoplasms ,Cancer ,Middle Aged ,medicine.disease ,Primary tumor ,Survival Analysis ,Kidney Neoplasms ,Survival Rate ,Oncology ,Upper tract ,030220 oncology & carcinogenesis ,Female ,Stage iv ,business - Abstract
Objectives To investigate the impact of high-intensity local treatment (LT) on overall survival (OS) in patients with stage IV upper tract urothelial carcinoma (UTUC). Patients and methods Within the National Cancer Database, we identified 7,357 patients diagnosed with stage IV UTUC from 2004 to 2015. Patients who underwent high-intensity LT, defined as radical surgery of the primary tumor, were compared with those who did not. Inverse probability of treatment weighting (IPTW) was used to balance baseline characteristics. Weighted survival analyses were used to test the association between high-intensity LT and OS. Multivariable Cox model was used to assess for independent predictors of OS. Sensitivity analysis was used to account for possible biases. Results Among stage IV patients, 10.6% (n = 779) had locally advanced disease (T4), 32.6% (n = 2,399) had node-positive disease (N+) and 56.8% (N = 4,179) had distant metastases (M+). Fewer than half of the patients underwent high-intensity LT (n = 2,908, 39.5%) while the remainder did not. On IPTW-adjusted survival analysis, high-intensity LT was associated with a prolonged OS (11.17 months [IQR, 5.19 to 24.28] months vs. 6.18 months [IQR, 2.27 to 14.49], P ≤ 0.001). A similar benefit was seen on adjusted survival analyses for each stage IV subgroup, defined according to TNM characteristics. The survival benefit was confirmed at sensitivity analysis. Conclusion High-intensity LT in balanced cohorts of patients with stage IV UTUC is associated with prolonged OS including those with locally advanced (T4), node-positive (N+) or distant metastases (M+).
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- 2020
48. Impact of the presence of a median lobe on functional outcomes of greenlight photovaporization of the prostate (PVP): an analysis of the Global Greenlight Group (GGG) Database
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Ahmed S. Zakaria, Giovanni Ferrari, Luca Cindolo, Tiago Borelli-Bovo, Maximillian Reimann, Kyle W Law, Hannes Cash, Kevin C. Zorn, Naeem Bhojani, Dean Elterman, Edgardo F. Becher, Adel Arezki, Franck Bruyère, David-Dan Nguyen, Enrique Rijo, Vincent Misrai, Carlos Vasquez-Lastra, and Iman Sadri
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Nephrology ,Male ,medicine.medical_specialty ,Urology ,030232 urology & nephrology ,Prostatic Hyperplasia ,computer.software_genre ,03 medical and health sciences ,0302 clinical medicine ,International database ,Patient age ,Prostate ,Internal medicine ,medicine ,Humans ,In patient ,Aged ,Database ,business.industry ,Small sample ,Organ Size ,Middle Aged ,Lobe ,medicine.anatomical_structure ,Treatment Outcome ,030220 oncology & carcinogenesis ,Laser Therapy ,business ,computer ,Body mass index - Abstract
Previous analyses of the impact of median lobe presence on Greenlight photoselective vaporization of the prostate (PVP) outcomes were limited by their small sample size and the ability to adjust for important confounders. As such, we sought to investigate the impact of prostate median lobe presence on the operative outcomes of 180 W XPS GreenLight PVP using a large international database. Data were obtained from the Global GreenLight Group (GGG) database which pools data of eight high-volume, experienced surgeons, from a total of seven international centers. All men with established benign prostatic hyperplasia who underwent GreenLight PVP using the XPS-180 W system between 2011 and 2019 were eligible for the study. Patients were assigned to two groups based on presence or absence of median lobes. Analyses were adjusted for patient age, prostate volume, body mass index, and American Society of Anesthesia (ASA) score. A total of 1650 men met the inclusion criteria. A median lobe was identified in 621 (37.6%) patients. Baseline prostate volume, patient age, and ASA score varied considerably between the two groups. In adjusted analyses, the operative and lasing time of patients with median lobes was 6.72 (95% CI 3.22–10.23; p
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- 2020
49. Sexual function and rehabilitation after radiation therapy for prostate cancer: a review
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David-Dan Nguyen, Dean Elterman, Andrew G. Matthew, Nathan Perlis, and Alejandro Berlin
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Oncology ,Male ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Quality of life ,Erectile Dysfunction ,Internal medicine ,medicine ,Humans ,Prostatectomy ,030219 obstetrics & reproductive medicine ,Rehabilitation ,business.industry ,Prostatic Neoplasms ,medicine.disease ,Radiation therapy ,Sexual Dysfunction, Physiological ,Erectile dysfunction ,Sexual dysfunction ,Quality of Life ,medicine.symptom ,Sexual function ,business - Abstract
The treatment of prostate cancer is partly guided by patient preferences. Radical prostatectomy and radiation therapy are the standard radical therapies for localized disease and render comparable oncologic outcomes. Considering that survival is high regardless of the chosen treatment, factors such as treatment-related toxicities affecting the patients' quality of life play an important role in their decision. Notably, post-treatment sexual dysfunction, which includes decreased libido, erectile dysfunction, and ejaculatory dysfunction has been shown to be an important and prevalent concern of prostate cancer survivors. In this literature review, we sought to characterize the sexual complications associated with radiation therapy and map the available sexual rehabilitation options for prostate cancer survivors experiencing sexual dysfunction as a result of radiation therapy. We identified medical, non-biomedical, counseling, and lifestyle modification options for prostate cancer survivors seeking sexual rehabilitation. Future research in this area should address the standardization of sexual side-effect reporting and investigate sexual outcomes and rehabilitation in more diverse groups and of transgender and nonheterosexual prostate cancer survivors.
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- 2020
50. Detectable Prostate-specific antigen value between 0.01 and 0.1 ng/ml following robotic-assisted radical prostatectomy (RARP): does it correlate with future biochemical recurrence?
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Amr Hodhod, Côme Tholomier, Franziska Stolzenbach, David-Dan Nguyen, Cristina Negrean, Kevin C. Zorn, Ahmed S. Zakaria, Russell N Schwartz, Félix Couture, Pierre I. Karakiewicz, Marc Zanaty, Assaad El-Hakim, and Hanna Shahine
- Subjects
Nephrology ,Biochemical recurrence ,Male ,medicine.medical_specialty ,Robotic assisted ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,03 medical and health sciences ,Prostate cancer ,0302 clinical medicine ,Robotic Surgical Procedures ,hemic and lymphatic diseases ,Internal medicine ,medicine ,Humans ,Correlation of Data ,Aged ,Retrospective Studies ,Prostatectomy ,business.industry ,breakpoint cluster region ,Prostatic Neoplasms ,Middle Aged ,Prostate-Specific Antigen ,medicine.disease ,Prognosis ,Prostate-specific antigen ,030220 oncology & carcinogenesis ,Cohort ,Neoplasm Recurrence, Local ,business - Abstract
The aim of the study is to evaluate the impact of having a nadir and persistently detectable ultrasensitive prostate-specific antigen (uPSA) between 0.01 and 0.1 ng/ml post-robot-assisted radical prostatectomy (RARP), on future biochemical recurrence (BCR). We conducted a retrospective analysis of a prospectively maintained cohort of 1359 men who underwent RARP, between 2006 and 2019. Patients were followed with uPSA at 1, 3, 6, 9, 12, 18, 24, 30, 36 months and annually thereafter. We included patients with PSA nadir values between 0.01 and 0.1 ng/ml within 6 months of surgery and with at least 2 follow-up measurements within the same range. We divided patients based on their BCR status and analyzed uPSA changes. Multivariable Cox-regression models (CRMs) were used to analyze variables predicting BCR-free survival (BCR-FS). We identified 167 (12.3%) patients for analyses, with a mean follow-up time of 60.2 ± 31.4 months. In our cohort, 5-year BCR-FS rate was 86%. Overall, 32 (19.1%) patients had BCR, with a mean time to BCR of 43.7 ± 24.3 months. BCR-free patients had stable mean uPSA values ≤ 0.033 ng/ml, while patients who developed BCR showed a slowly rising trend over time, with a significant difference between groups starting at 9 months (p
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- 2020
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