13 results on '"Khanmammadova N"'
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2. Artificial intelligence in advancing prostate cancer patient care
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Khanmammadova, N., primary, Gevorkyan, R., additional, Epino, M., additional, Jiang, D., additional, Cumpanas, A.D., additional, Chu, T., additional, Gomez, R.K., additional, Xu, H., additional, Myoung, S., additional, Afyouni, A.S., additional, O’leary, M., additional, Nguyen, T.T., additional, Fung, C., additional, Ali, S.N., additional, Shahait, M., additional, Daneshvar, M., additional, Ahlering, T.E., additional, and Lee, D., additional
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- 2024
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3. A0188 - Artificial intelligence in advancing prostate cancer patient care
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Khanmammadova, N., Gevorkyan, R., Epino, M., Jiang, D., Cumpanas, A.D., Chu, T., Gomez, R.K., Xu, H., Myoung, S., Afyouni, A.S., O’leary, M., Nguyen, T.T., Fung, C., Ali, S.N., Shahait, M., Daneshvar, M., Ahlering, T.E., and Lee, D.
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- 2024
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4. A0013 - Comparative analysis of early functional outcomes following the hood technique vs. standard nerve sparing technique during RARP
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Khanmammadova, N., Cumpanas, A.D., Jiang, D., Gevorkyan, R., Epino, M., Chu, T., Gao, A., Afyouni, A.S., O’leary, M., Nguyen, T.T., Fung, C., Nguyen, C., Ali, S.N., Shahait, M., and Lee, D.I.
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- 2024
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5. Feasibility and Outcomes of Same-Day Discharge after Multiport Robot-Assisted Radical Prostatectomy.
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Ali SN, Khanmammadova N, Myklak K, Afyouni AS, Jiang D, O'Leary M, Sanavi A, Gao A, Chu T, Gomez RKM, Nguyen TT, Fung C, Nguyen C, Shahait M, and Lee DI
- Abstract
Introduction: Robot-assisted radical prostatectomy (RARP) provides much quicker recovery for men than open prostatectomy. In most centers, discharge is planned the morning after operation. However, after several years, we observed that no routine intervention was required for a majority of men over the first evening. Here, we detail our institution's outcomes for multiport RARP (MP-RARP) with same-day discharge (SDD). Methods: After excluding patients with single-port RARP ( n = 25) and overnight stays ( n = 30), data from 224 patients ( n = 224/279, 88.2%) who underwent MP-RARP from May 2021 to September 2023 were collected. All patients were placed on an Enhanced Recovery After Surgery protocol and were given instructions regarding SDD. Patients were considered as SDD if they were discharged on the day of operation. Data regarding messages and phone calls to health care providers, urology clinic, and emergency department visits were recorded for analysis in the week postoperation. Results: The mean (±standard deviation [SD]) operative time was 142.5 ± 25.2 minutes, with a mean (±SD) console time of 95.1 ± 25.6 minutes. The median (interquartile range [IQR]) estimated blood loss was 50 (50-100) mL, and the mean (±SD) length of hospitalization was 163.2 ± 64.6 minutes. No intraoperative complications occurred in this cohort. The median (IQR) patient-reported pain score at 1 hour after operation was 3.5 (0-7), compared with 2 (0-4) at discharge. Of the 145 (64.7%) patients who reported their postoperative pain management, only 50 (34.4%) endorsed using opioids, and of those, 8 (16%) were known chronic opioid users. In the week after operation, 14 (6.3%) patients had unplanned visits to the health care facility. Additionally, 56 (25%) of patients contacted the clinic regarding the postoperative course during the same time frame. Conclusions: SDD after RARP is predictable and safe. SDD helps reduce the costs associated with inpatient stays without compromising surgical outcomes for patients.
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- 2024
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6. Propensity Score Matching Analysis of Differential Outcomes in Holmium Laser Enucleation of the Prostate vs. Robotic-Assisted Simple Prostatectomy.
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Khanmammadova N, Jiang JF, Gomez RKM, Gao A, Chu TY, Shahait M, Myklak K, Lee DI, and Das AK
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Background & Objectives: Patients with bladder outlet obstruction (BOO) due to massive prostate enlargement have several surgical treatment options, such as robot-assisted simple prostatectomy (RASP) and holmium laser enucleation of the prostate (HoLEP). Postoperative outcomes may differ between those undergoing RASP and HoLEP. RASP has been associated with a lower incidence of transient stress urinary incontinence (SUI), while HoLEP allows for shorter catheterization times. Here, we report on our experience with both surgical modalities. Methods: Data were collected from prospectively maintained databases for 37 RASP patients and 181 HoLEP patients treated from July 2021 to November 2023. To control for selection bias, propensity score matching (PSM) was utilized based on age and prostate size. We compared patients' preoperative, perioperative, and postoperative outcomes both before and after applying PSM. Results: Before the PSM, the median prostate size was significantly lower in the HoLEP group ( p < 0.001). The HoLEP group also had significantly shorter operative times ( p ≤ 0.001) and lower weights of resected adenoma ( p ≤ 0.001). After the PSM of 31 RASP and 31 HoLEP patients, all baseline patient characteristics were comparable. No significant differences were observed in operation time ( p = 0.140) or in the weight of resected adenoma ( p = 0.394) between the modalities. The median (IQR) length of catheterization was significantly shorter in the HoLEP group (1 [1-4] days) compared to the RASP group (7 [7-8] days), in both pre- and post-matching analyses ( p ≤ 0.001 for both), reflecting the standard of practice. In contrast, in both pre- and post-PSM analyses, the average hospital stay was significantly shorter in the RASP cohort, as same-day discharge is standard in our center, whereas the HoLEP cohort required overnight stays due to routine continuous bladder irrigation before discharge ( p < 0.001 for all). Notably, the SUI rates and American Urological Association (AUA) symptom scores were comparable at 3 months within both matched and unmatched cohorts (pre-PSM: p = 0.668, p = 0.083; post-PSM: p = 1, p = 0.152, respectively). Conclusions: Our comparative analysis indicates that both RASP and HoLEP yield similar outcomes, including SUI rates, at 3 months. While HoLEP provided shorter durations of postoperative catheterization, RASP offered shorter hospital stays.
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- 2024
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7. Bias in the prenatal lung measurements in fetal congenital diaphragmatic hernia with intrauterine growth restriction.
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Aydın E, Khanmammadova N, Burns P, Lim FY, Habli MA, and Peiró JL
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- Humans, Female, Retrospective Studies, Pregnancy, Infant, Newborn, Male, Adult, Gestational Age, Hernias, Diaphragmatic, Congenital diagnosis, Hernias, Diaphragmatic, Congenital diagnostic imaging, Fetal Growth Retardation diagnosis, Fetal Growth Retardation diagnostic imaging, Ultrasonography, Prenatal methods, Lung diagnostic imaging, Lung embryology
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Objectives: The failure of a fetus to develop to its full potential due to maternal or placental factors is known as intrauterine growth restriction (IUGR). Fetal head growth is usually preserved in that situation producing a potential discordance between head and body size. Our goal is to discover if IUGR has an impact on the prenatal ultrasound measurements taken to assess pulmonary development in congenital diaphragmatic hernia (CDH)., Methods: A retrospective chart review (IRB#2017-6361) was performed on all prenatally diagnosed CDH patients from 2007 to 2016. Patient demographics, fetal and neonatal anthropometric measurements, and fetal lung parameters were the main subjects of the data that were gathered. Fetal growth was assessed by the curves based on US data by Olsen et al. and by Peleg et al. Of 147 CDH patients, 19 (12.9 %) patients were diagnosed with IUGR before the 30th gestational week while there were 20 (13.6 %) patients after the 30th gestational week., Results: Patients with IUGR and the observed-to-expected lung-to-head ratio (O/E LHR) less than 25 % had better survival rates both to discharge and date compared to non IUGR group (p=0.226, OR 2.25 95 % CI 0.60-1.08 and p=0.175, OR 2.40 95 % CI 0.66-1.17, respectively). Moreover, the ECMO need of the patients who had IUGR and O/E LHR less than 25 % was significantly less than the patients without IUGR (38.5 vs. 80.0 %, p=0.005)., Conclusions: This study confirms that the intrauterine measurements to predict pulmonary hypoplasia in CDH patients are misleading in the presence of IUGR and cause an overestimation., (© 2024 Walter de Gruyter GmbH, Berlin/Boston.)
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- 2024
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8. Effect of bladder volume and compliance on ultrasonographic measurement of bladder wall thickness in children with neurogenic bladder dysfunction.
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Bozbeyoğlu SG, Ersoy F, Canmemiş A, Khanmammadova N, and Özel ŞK
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- Child, Humans, Male, Female, Young Adult, Adult, Urinary Bladder diagnostic imaging, Prospective Studies, Urodynamics physiology, Urinary Bladder, Neurogenic diagnostic imaging, Urinary Bladder, Neurogenic etiology, Urinary Bladder, Overactive complications, Spinal Dysraphism complications
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Background: Spina bifida is the most common cause of neurogenic bladder dysfunction in children. Measurement of bladder wall thickness (BWT) is non-invasive, low-cost, and may be complementary to urodynamics in demonstrating bladder condition. It is still unknown the wall thickness response to volume change in bladders with different compliance states., Objective: To determine the most appropriate measurement technique by revealing the differences in measurements performed in different compliance and volume conditions in children with neurogenic bladder., Study Design: In the prospective study in 2022, patients with spina bifida who continued their urological follow-up in our spina bifida center were included. Patients with a diagnosis of the neurogenic bladder who performed clean intermittent catheterization at least 4-6 times a day and had a recent urodynamic result in the last 6 months were included in the study. According to urodynamic results, patients were divided into two groups normocompliant (NC) and low-compliant (LC) bladders. BWT measurements were made from the anterior, posterior, right lateral, and left lateral walls of the bladder 3 times as full, half-volume, and an empty bladder., Results: The study included 50 patients (NC group n:21, LC group n:29). The mean age of 24 female and 26 male patients was 6.45 ± 4.07 years. In all BWT measurements, a significant increase in wall thickness was observed with decreasing bladder volume. The best correlation between bladder volume and BWT was found in the anterior wall with a weak negative correlation (p = 0.049, r = -0.280). However, lateral wall measurements were significantly higher in low compliant patients compared to normocompliant patients when the bladder was full. The mean right lateral wall thickness was 1.58 ± 0.68 mm in the NC group and 2.18 ± 1.35 mm in the LC group (p = 0.044). Left lateral wall thickness was 1.45 ± 0.44 mm in the NC group and 2.02 ± 1.4 mm in the LC group (p = 0.033)., Discussion: Although standardization has been tried to be achieved in BWT measurements, we understand from the studies in the literature that there is no unity in practice., Conclusion: Lateral wall measurements were found to be significantly higher in LC patients compared to normocompliants in full bladder suggesting that more accurate BWT follow-up can be performed with lateral wall measurements in neurogenic bladder patients if bladder compliance is low. The present study seems to be the first study in the literature in which bladder compliance and ultrasonographic bladder wall thickness measurements were evaluated together in children with neurogenic bladder dysfunction., (Copyright © 2023 Journal of Pediatric Urology Company. Published by Elsevier Ltd. All rights reserved.)
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- 2024
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9. Multiple sclerosis and hypogonadism: is there a relationship?
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Hammad MAM, Rush A, Loeb CA, Banton J, Abou Chawareb E, Khanmammadova N, Gevorkyan RR, Barham DW, Yafi FA, and Jenkins LC
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- Humans, Sexual Dysfunction, Physiological etiology, Male, Hormone Replacement Therapy, Quality of Life, Female, Multiple Sclerosis complications, Hypogonadism drug therapy, Hypogonadism complications, Testosterone therapeutic use
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Introduction: Multiple sclerosis (MS) is a chronic autoimmune disease that affects the central nervous system and is widely recognized as a disease primarily affecting women. The relationship between MS and hypogonadism is complex and not fully understood, with recent evidence showing that hypogonadism may have a significant impact on the quality of life and disease progression of patients with MS., Objectives: This review aims to provide an overview of the current knowledge regarding the relationship between MS and hypogonadism, including the mechanisms underlying this relationship; the effects of hypogonadism on patients with MS; and the potential benefits and drawbacks of testosterone replacement therapy for patients with MS and hypogonadism., Methods: This scientific review analyzed 19 articles that investigated the potential relationship among MS, testosterone levels, and hypogonadism. The articles were published between November 2008 and March 2022 and were identified through a comprehensive search of the PubMed database. The search terms used included "multiple sclerosis," "testosterone," "hypogonadism," and "MS and testosterone levels.", Results: Of the 19 articles reviewed, 11 described a positive correlation between low testosterone levels and dysfunction within the hypothalamic-pituitary-gonadal axis in individuals with MS. These findings suggest that low testosterone levels may contribute to dysfunction within the hypothalamus-pituitary-gonadal axis, which plays a crucial role in regulating testosterone production. The results also showed a relationship between sexual dysfunction and low testosterone levels, as well as a positive correlative relationship between these factors., Conclusion: The reviewed articles indicate a complex relationship among MS, testosterone levels, and the hypothalamic-pituitary-gonadal axis, with low testosterone levels potentially contributing to dysfunction in this axis and to sexual dysfunction. Further research is needed to better understand the effects of testosterone therapy on MS and sexual dysfunction in patients with MS., (© The Author(s) 2024. Published by Oxford University Press on behalf of The International Society of Sexual Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
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- 2024
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10. Assessing Decision Regret in Patients with Same-Day Discharge Pathway After Robot-Assisted Radical Prostatectomy.
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Khanmammadova N, Shahait M, Nguyen TT, Basilius J, Ali SN, Tran J, Gevorkyan R, Fung C, Ahlering TE, and Lee DI
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- Male, Humans, Patient Discharge, Prostatectomy methods, Emotions, Treatment Outcome, Robotics, Robotic Surgical Procedures methods
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Introduction: After the introduction of same-day discharge (SDD) pathways for various surgeries, these pathways have demonstrated comparable complication rates and a reduced overall cost of care. Outpatient robot-assisted radical prostatectomy (RARP) is introduced in high-volume centers; however, patients' perspectives on the SDD RARP protocol are not well understood. Materials and Methods: A questionnaire consisting of 24 questions, including the Likert Decisional Regret Scale, was distributed to patients who underwent RARP at our center. The overall decision regret score was calculated as described in the literature. We used 15 as a cutoff point for differentiating between high- and low-regret rates. Median and interquartile range were determined for non-normally distributed variables, while mean ± standard deviation was calculated for continuous data. Results: Of the 72 patients who completed the questionnaire, 65.7% ( n = 44) of patients felt no regret about their decision of choosing the SDD RARP protocol and 90.3% ( n = 65) of men stated that they would have made the same decision. At the same time, 97.1% ( n = 68) of patients would also recommend this procedure to others. The median decisional regret score of the cohort ( n = 67) was 0 (0-10). Fifty-four of 67 (80.6%) patients were in the low-regret score group, while 13 (19.4%) were in the high-regret group. Patients in the high-regret group were more likely to have low household income (<$30,000 a year) and they experienced postoperative pain more frequently compared with patients in the lower regret group (7.7% vs 1.9%, p = 0.626, and 61.5% vs 38.9%, p = 0.212, respectively). Conclusions: Most patients expressed low regret about choosing the SDD pathway for RARP, underscoring the importance of thorough explanation of the procedure and discharge process to enhance patient experience. However, a subset of patients did express regret, possibly due to an interplay of patient- and procedure-related factors.
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- 2024
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11. A simple machine learning approach for preoperative diagnosis of esophageal burns after caustic substance ingestion in children.
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Aydın E, Khanmammadova N, Aslanyürek B, Urgancı N, Usta M, Parlak A, Kaya Ş, Gurpinar AN, Sekmenli T, Sarıkaya M, Özcan Sıkı F, Ateş U, Çakmak M, and Öztaş T
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- Child, Humans, Esophagus surgery, Retrospective Studies, Artificial Intelligence, Machine Learning, Eating, Caustics toxicity, Burns, Chemical diagnosis, Burns, Chemical surgery, Esophageal Stenosis
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Purpose: The unresolved debate about the management of corrosive ingestion is a major problem both for the patients and healthcare systems. This study aims to demonstrate the presence and the severity of the esophageal burn after caustic substance ingestion can be predicted with complete blood count parameters., Methods: A multicenter, national, retrospective cohort study was performed on all caustic substance cases between 2000 and 2018. The classification learner toolbox of MATLAB version R2021a was used for the classification problem. Machine learning algorithms were used to forecast caustic burn., Results: Among 1839 patients, 142 patients (7.7%) had burns. The type of the caustic and the PDW (platelet distribution width) values were the most important predictors. In the acid group, the AUC (area under curve) value was 84% while it was 70% in the alkaline group. The external validation had 85.17% accuracy in the acidic group and 91.66% in the alkaline group., Conclusions: Artificial intelligence systems have a high potential to be used in the prediction of caustic burns in pediatric age groups., (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2023
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12. Neuro-immune interactions and immuno-oncology.
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Khanmammadova N, Islam S, Sharma P, and Amit M
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- Humans, Immunotherapy, Tumor Microenvironment, Neuroimmunomodulation, Neoplasms pathology
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The nervous system is an important component of the tumor microenvironment (TME), driving tumorigenesis and tumor progression. Neuronal cues (e.g., neurotransmitters and neuropeptides) in the TME cause phenotypic changes in immune cells, such as increased exhaustion and inhibition of effector cells, which promote immune evasion and cancer progression. Two types of immune regulation by tumor-associated nerves are discussed in this review: regulation via neuronal stimuli (i.e., by neural transmission) and checkpoint-mediated neuronal immune regulation. The latter occurs via the expression of immune checkpoints on the membranes of intratumoral nerves and glial cells. Here, we summarize novel findings regarding the neuroimmune circuits in the tumor milieu, while emphasizing the potential targets of new and affordable anticancer therapeutic approaches., Competing Interests: Declaration of interests None are declared by the authors., (Copyright © 2023 Elsevier Inc. All rights reserved.)
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- 2023
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13. Technical challenges in LDLT - Overcoming small for size syndrome and venous outflow reconstruction.
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Vargas PA, Khanmammadova N, Balci D, and Goldaracena N
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- Humans, Living Donors, Liver Circulation physiology, Treatment Outcome, Liver Transplantation adverse effects, Liver Transplantation methods, End Stage Liver Disease
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Living Donor Liver Transplantation (LDLT) emerged as an alternative treatment option for patients with end-stage liver disease waiting for an organ from a deceased donor. In addition to allowing for a faster access to transplantation, LDLT provides improved recipient outcomes when compared to deceased donor LT. However, it represents a more complex and demanding procedure for the transplant surgeon. In addition to a comprehensive preoperative donor assessment and stringent technical considerations during the donor hepatectomy to ensure upmost donor safety, the recipient procedure also comes with intrinsic challenges during LDLT. A proper approach during both procedures will result in favorable donor and recipient's outcomes. Hence, it is critical for the transplant surgeon to know how to overcome such technical challenges and avoid deleterious complications. One of the most feared complications following LDLT is small-for-size syndrome (SFSS). Although, surgical advances and deeper understanding of the pathophysiology behind SFSS has allowed for a safer implementation of LDLT, there is currently no consensus on the best strategy to prevent or manage this complication. Therefore, we aim to review current practices in technically challenging situations during LDLT, with a particular focus on management of small grafts and venous outflow reconstructions, as they possess one of the biggest technical challenges faced during LDLT., Competing Interests: Declaration of Competing Interest All authors declared that there are no conflicts of interest., (Copyright © 2023 Elsevier Inc. All rights reserved.)
- Published
- 2023
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