In experienced hands, VUAR can restore durable patency for men afflicted with outlet stenosis after RP. Despite anatomic restoration, incontinence is likely.
Proteins involved in tumor cell migration can potentially serve as markers of invasive disease. Activated Leukocyte Cell Adhesion Molecule (ALCAM) promotes adhesion, while shedding of its extracellular domain is associated with migration. We hypothesized that shed ALCAM in biofluids could be predictive of progressive disease. ALCAM expression in tumor (n = 198) and shedding in biofluids (n = 120) were measured in two separate VUMC bladder cancer cystectomy cohorts by immunofluorescence and enzyme-linked immunosorbent assay, respectively. The primary outcome measure was accuracy of predicting 3-year overall survival (OS) with shed ALCAM compared to standard clinical indicators alone, assessed by multivariable Cox regression and concordance-indices. Validation was performed by internal bootstrap, a cohort from a second institution (n = 64), and treatment of missing data with multiple-imputation. While ALCAM mRNA expression was unchanged, histological detection of ALCAM decreased with increasing stage (P = 0.004). Importantly, urine ALCAM was elevated 17.0-fold (P < 0.0001) above non-cancer controls, correlated positively with tumor stage (P = 0.018), was an independent predictor of OS after adjusting for age, tumor stage, lymph-node status, and hematuria (HR, 1.46; 95% CI, 1.03–2.06; P = 0.002), and improved prediction of OS by 3.3% (concordance-index, 78.5% vs. 75.2%). Urine ALCAM remained an independent predictor of OS after accounting for treatment with Bacillus Calmette-Guerin, carcinoma in situ, lymph-node dissection, lymphovascular invasion, urine creatinine, and adjuvant chemotherapy (HR, 1.10; 95% CI, 1.02–1.19; P = 0.011). In conclusion, shed ALCAM may be a novel prognostic biomarker in bladder cancer, although prospective validation studies are warranted. These findings demonstrate that markers reporting on cell motility can act as prognostic indicators.
Background Implantation of an inflatable penile prosthesis (IPP) has high success and satisfaction rates, but there remains a paucity of evidence examining non-usage of IPP and reasons for discontinuation. Aim To identify how frequent patients use their prosthesis and their personal reasons for no longer using it. Methods We conducted a survey of all patients who underwent an IPP implantation by a single surgeon over a 6-year period, between 2012 and 2018. After application of inclusion and exclusion criteria, a total of 114 patients formed the final cohort. Patients were initially surveyed via mail with a questionnaire; those who did not respond were surveyed via telephone. The factors determining patient selection for IPP implantation included suitability for general anesthesia, manual dexterity to use the device by the patient or their partner on a demonstration device, and presence of refractory erectile dysfunction, HbA1C lower than 8.5, or need for a revision of a previously placed IPP. Universally, a 3-piece AMS 700 Series implant was placed via the penoscrotal approach. Data were analyzed with Pearson chi square test, and survivability of the device was assessed with Kaplan-Meier survival curve. Outcomes The main outcomes of this study are the frequency of IPP usage and reasons for discontinuation. Results The survey participation rate was 97%. The mean age of patient was 64 years (range 34–83 years), and the mean time between surgery and completion of survey was 2.98 years (range 0.25–7.4 years). Kaplan-Meier curve demonstrated that 68% of the patients were using the IPP at 5 years after implantation. Using the age 70 years as a cutoff, 18 (22%) patients younger than 70 years and 14 (42%) patients older than 70 years discontinued using the IPP (P = .029). The commonest reasons for discontinuation were poor health to engage in sexual activity (2.6%), loss of companion (19%), loss of interest in sex (2.6%), and device malfunction with no further interest in revision of prosthesis (14%). Clinical Implications The clinical implication of this study was improved patient selection for device implantation. Strengths and Limitations To our knowledge, no other study has investigated reasons for patients no longer using their prosthesis. Our study has several limitations including that it is a cross-sectional analysis, our survey is not validated, this is a single-surgeon experience, we have a small sample size, and we did not differentiate between virgin implant and reimplantation. Conclusion Our study shows a high rate (28%) of non-usage of IPP, more so in men older than the age of 70 years in the first 5 years of implantation.
Objectives To prospectively evaluate the new medical device Transurethral Suprapubic endo-Cystostomy (T-SPeC®), used for suprapubic catheter (SPC) placement via the transurethral (inside-to-out) approach, and examine the 30-day outcomes in the first US series.MethodsIRB approval was obtained for this prospective study. We evaluated the first 114 consecutive cases of SPC placement using the T-SPeC® device by a single surgeon at in a 20-month period. We excluded patients who underwent alternative approaches to suprapubic catheter placement including open abdominal approach (12) and percutaneous approach (5). Preoperative patient demographics, operative detail, success rate and 30-day complication rate were recorded.ResultsWe successfully placed an 18 Fr suprapubic catheter using the T-SPeC® device in 98.2 % of patients. During the procedure, the capture housing was missed twice. The mean patient age was 56.6, BMI 29.4 kg/m2, skin to bladder distance 6.7 cm and operative time 3.6 min. There were 12 postoperative complications within 30 days of the procedure including urinary tract infections (6), SPC exit site infection (2), SPC blockage (2) and catheter expulsion (2). There were no Clavien–Dindo grade III–IV complications such as re-operation, small bowel injury, hemorrhage or death.ConclusionThe T-SPeC® device is a novel, simple, accurate and minimally invasive device for SPC insertion from an inside-to-out approach. Our prospective study demonstrates that the T-SPeC® device can be placed safely and efficiently in a variety of patients with a need for urinary drainage.
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