Objective: Diagnosis of bladder outlet obstruction (BOO) in females is often challenging, not only because of the overlap in storage and voiding symptoms in women with various etiologies of lower urinary tract (LUT) dysfunction but also due to the lack of standardized urodynamic criteria to define the condition. There is an unmet need of biologic markers to evaluate BOO in females as an adjunct to other clinical criteria. We sought to elucidate the role of urinary biomarkers in female BOO. Material and methods: We performed a systematic review of studies involving urinary biomarkers in female BOO. The search was performed in PubMed. A total of 58 papers were retrieved and 2 were included for final analysis.Results: Currently, there are no validated biologic markers for female BOO available. Having a biomarker that can be obtained through a urine sample will be an invaluable tool to evaluate and counsel patients with LUT symptoms and possible BOO. The use of NGF as an indicator of BOO in female patients seems to be promising: NGF levels are elevated in women with BOO when compared with normal controls. Conclusions: We found that NGF levels may be applied as a useful biomarker in the diagnosis and evaluation of female patients with BOO symptoms. It will not completely replace other clinical diagnostic tools such as formal urodynamic testing but play a role as a supplement to it. Nevertheless, further studies should be conducted to establish NGF levels as a female BOO biomarker and a routine testing modality.
Objective: Management of patients with penile cancer (PeC) with palpable inguinal lymph nodes (ILNs) relies on radical ILN dissection (RILND). Low burden of nodal metastatic disease may lead to long-lasting survival with surgical management. Nevertheless, RILND involves significant postoperative morbidity. We compared the complications of patients undergoing RILND with (RILND-T) and without (RILND-0T) placement of a collagen-fibrin sealant patch on the resection bed. Materials and methods: We conducted an observational retrospective study. Data from men submitted to RILND-T and RILND-0T from Jan/2001 to Feb/2022, in a tertiary care centre were compared. The primary endpoint was the overall incidence of complications until 1 month after the procedure and their respective severity in both cohorts (Clavien-Dindo classification system). Secondarily, length of hospital stay (LOHS) was analysed. The placement of a collagen-fibrin sealant patch was left at the surgeon’s discretion.Results: Seven patients underwent RILND-T and 20 underwent RILND-0T, respectively. There were no differences in pathologic TNM stage nor in the total number of ILNs removed (17 ± 4 vs. 20 ± 8, p = 0.37). Overall, 23 (85.2%) patients had complications. The complication rate was similar in both cohorts (85.7% vs 85%, p = 0.73). Surgical wound infection (3/7 vs. 11/20) and lymphocele (4/7 vs. 11/20) were the most reported complications. Patients undergoing RILND-T were discharged faster (mean length of hospital stay 9 ± 3 vs 19 ± 20 days, p = 0.22). Conclusions: The application of a collagen-fibrin sealant patch on the resection bed does not seem to reduce the postoperative complication rate in patients undergoing RILND. Nevertheless, a trend towards a shorter LOHS in patients with RILND-T cannot be excluded and should be validated by further studies with a higher number of patients.
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