To evaluate the available literature on ureteric stent-related infections, the use of antibiotics and bacterial colonisation to identify the current incidence of stent-related infections, unveil knowledge gaps and generate potential hypotheses for future research.
A literature review was conducted using PubMed, Cochrane and urological association websites identifying relevant English literature published between 1983 and January 2024.
There is a worldwide lack of guidelines for antibiotic prophylaxis for stent placement, exchange or extraction. In patients with a negative preoperative urine culture undergoing ureteroscopy and stent placement, it may be considered to only provide prophylaxis in presence of risk factors. However, in pre-stented patients a preoperative urine culture is important to guide prophylaxis during endourological surgery. During stent indwell time, antibiotic prophylaxis does not show any advantage in preventing urinary tract infections (UTIs). There is no strong evidence to support the use of antibiotics at time of stent removal. In the absence of any clear evidence, management strategies for treating UTIs in patients with ureteric stents vary widely. Stent exchange could be considered to remove the biofilm as a potential source of bacteria. Stent culture can help to guide treatment during infection as urine culture and stent culture can differ.
In terms of good antibiotic stewardship, urologists should be aware that unnecessary use of antibiotics provokes bacterial resistance. There is a great need for further research in the field of antibiotic prophylaxis and stent-related infections to develop evidence that can help shape clear guidelines for this very common urological practice.
To provide current peri-operative outcomes and short-term complication rates for open primary retroperitoneal lymph node dissection (RPLND), with analysis of risk factors for complications.
Using the Indiana University Testicular Cancer database, we performed a retrospective analysis of all patients who underwent open primary RPLND over the study period (2018–2021). The primary outcomes of interest were the preoperative profile of patients undergoing surgery, complication rates, and identification of risk factors associated with complications. We used chi-squared, Fisher's exact and unpaired t-tests in our analyses.
A total of 165 patients were identified. The median body mass index (BMI) was 28.6 kg/m2. Patients most often had clinical stage IIA (39%) or IIB testicular cancer (36%). The median estimated blood loss was 150 mL, with no transfusions required. Higher BMI was noted in patients that sustained any complication vs those with normal recovery (34.95 vs 28 kg/m2; P = 0.0042). The median length of hospital stay was 3 days. The overall complication rate was low (8.48%), with two major postoperative complications, including one case of chylous ascites (0.6%), and no deaths in the 30-day period. The study was limited by its retrospective design and short-term follow-up.
We found that open primary RPLND has an acceptable morbidity profile, even among a predominantly overweight cohort. Low blood loss, short hospital stay, minimal chylous ascites risk, and rare major postoperative complications should be the benchmark for retroperitoneal lymph node dissection.
To assess the cumulative rates of re-operations after hypospadias repair and evaluate long-term surgical outcomes at a tertiary paediatric urology centre.
Retrospective analysis of 293 boys born between 1991 and 2003 undergoing hypospadias surgery was conducted. The study included 274 patients: 165 with distal, 34 with midshaft, and 75 with proximal hypospadias. Kaplan–Meier methods were used to evaluate the re-operation data.
The median age at primary surgery was 1.3 years, with a median follow-up of 14.4 years. The overall re-operation rate was 48.2%, with approximately half of the problems detected within the first 3 months after surgery. The risk of re-operation was correlated with hypospadias severity, with 5- and 15-year re-operation risks at 39.3% and 51.8%, respectively. Limitations of the study include its retrospective nature and variations in surgical techniques from current standards.
There is a significant risk of unplanned re-operations following hypospadias repair, increasing with the severity of the original condition. This underscores the need for extended follow-up and effective communication with patients and their families about the likelihood of requiring multiple surgeries for optimal outcomes.
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