Search

Background: There is limited information on the distribution of retroperitoneal lymph node metastases (LNMs) in upper tract urothelial carcinoma (UTUC).Objective: To investigate the location of LNMs in UTUC of the renal pelvis or proximal ureter and short-term complications after radical nephroureterectomy (RNU) with lymph node dissection (LND). Design, setting, and participants: This was a prospective Nordic multicenter study (four university hospitals, two county hospitals). Patients with clinically suspected locally advanced UTUC (stage >T1) and/or clinical lymph node-positive (cN+) dis-ease were invited to participate. Participants underwent RNU and fractionated retroperitoneal LND using predefined side-specific templates. Outcome measurements and statistical analysis: The location of LNMs in the LND specimen and retroperitoneal lymph node recurrences during follow-up was recorded. Postoperative complications within 90 d of surgery were ascertained from patient charts. Descriptive statistics were used.Results and limitations: LNMs were present in the LND specimen in 23/100 patients, and nine of 100 patients experienced a retroperitoneal recurrence. Distribution per side revealed LNMs in the LND specimen in 11/38 (29%) patients with right-sided tumors, for whom the anatomically larger, right-sided template was used, in comparison to 12/62 (19%) patients with left-sided tumors, for whom a more limited template was used. High-grade complications (Clavien grade >= 3) within 90 d of surgery were registered for 13/100 patients. The study is limited in size and not powered to assess survival estimates.Conclusions: The suggested templates that we prospectively applied for right-sided and left-sided LND in patients with advanced UTUC included the majority of LNMs. High-grade complications directly related to the LND part of the surgery were limited.Patient summary: This study describes the location of lymph node metastases in patients with cancer in the upp, Funding Agencies|Swedish Cancer Society [CAN 2020/0709]; Swedish Research Council [2021-00859]; Lund Medical Faculty (ALF); Skane University Hospital Research Funds; Cancer Research Fund at Malmoe General Hospital; Nordic Cancer Union; Skane County Council Research and Development Foundation [REGSKANE-622351]; Goesta Joensson Research Foundation; Foundation of Urological Research (Ove and Carin Carlsson bladder cancer donation); Hillevi Fries Research Foundation

Objective: To evaluate the success rate of Extracorporeal Shock Wave Lithotripsy (ESWL) therapy and identify relevant treatment-specific factors affecting stone-free rate (SFR) after ESWL. Materials and methods: All ESWL treatments in the years 2016-2019, in angelholm Hospital, Skane, Sweden were analysed retrospectively. Primary outcome was stone-free rate (SFR) at 3 months. Univariate logistic regression was used followed by multivariable regression. Lasso analysis was made to adjust for treatment-specific factors such as age, stone size, skin-to-stone distance (SSD), stone attenuation, number of treatments, stone location and presence of a urinary stent. Results: Factors affecting successful ESWL treatment were lower age (p < 0.001), smaller stone size and volume (both p = 0.001). SSD, stone attenuation, sex, laterality and drainage did not have an effect on SFR in this study. After the first ESWL treatment session, 46.7% of the patients were stone-free. Conclusion: Results indicate that stone size and age are the most predictive factors for ESWL outcome. Based on this, we present a simple model for prediction of SFR after ESWL, to be used when counseling patients before ESWL treatment., Funding agency:Gorthon foundation

Introduction: The use of quinolones has recently been questioned due to reports on side effects including an increased risk of aortic aneurysm. The aim of the study was to examine the risk of aortic aneurysm (AA) after short-term ciprofloxacin as prophylaxis for prostate biopsy. Materials and Methods: We used the Prostate Cancer data Base Sweden and investigated 192,024 prostate biopsy exposures vs. 554,974 non-exposures for risk of AA. Prostate biopsy was used as a proxy for quinolone use as short-term ciprofloxacin is the recommended and documented prophylaxis in Sweden for this procedure. The outcome was the hazard ratio (HR) of AA in men who underwent a biopsy vs. those that did not. Results: The absolute risk of AA was small, 39/10,000 person years for all Aas and for ruptured Aas 3.5/10,000 person years. In multivariate analyses, there were small, non-significant increases in risk of all AA's (adjusted HR = 1.13, 95% CI: 0.91 to 1.39) and ruptured Aas (adjusted HR = 1.05, 95% CI: 0.52 to 2.15) in men who underwent biopsy. A significantly increased risk of AA was observed in men diagnosed with high-risk prostate cancer on biopsy (HR = 1.50, 95% CI: 1.15-2.21). The use of prostate biopsy as a proxy for exposure to ciprofloxacin was a limitation of the study. Conclusions: Short-term ciprofloxacin was not associated with an increased risk of aortic aneurysm and the increased risk in men with high-risk prostate cancer was likely due detection bias caused by imaging more commonly performed in these men.

Purpose: Transrectal ultrasound guided biopsy is the gold standard for detecting prostate cancer but international reports suggest that increasing risks are associated with the procedure. We estimated incidence and risk factors for infection after prostate biopsy as well as 90-day mortality using a nationwide Swedish sample. Material and Methods: We performed a population based study of 51,321 men from PCBaSe between 2006 and 2011. Primary outcome measures were dispensed prescriptions of antibiotics for urinary tract infection and hospitalization with a discharge diagnosis of urinary tract infection. Multivariable logistic regression was used to examine risk factors for infection in men who underwent prostate biopsy. Results: During the 6 months before biopsy the background incidence of urinary tract infection was approximately 2%. Within 30 days after biopsy 6% of the men had a dispensed prescription for urinary tract antibiotics and 1% were hospitalized with infection. The strongest risk factors for an antibiotic prescription were prior infection (OR 1.59, 95% CI 1.45-1.73), high Charlson comorbidity index (OR 1.25, 95% CI 1.11-1.41) and diabetes (OR 1.32, 95% CI 1.17-1.49). Risk of an antibiotic prescription after biopsy decreased from 2006 to 2011 (OR 0.79, 95% CI 0.70-0.90) but the risk of hospital admission increased (OR 2.14, 95% CI 1.58-2.94). No significant increase was observed in 90-day mortality. Conclusions: Severe infections with hospitalization after prostate biopsy are increasing in Sweden. The risk of post-biopsy infection is highest in men with a history of urinary tract infection and those with significant comorbidities.