Logo image
Proof of concept: Exposing the myth of urethral atrophy after artificial urinary sphincter via assessment of circumferential recovery after capsulotomy and intraoperative pressure profiling of the pressure regulating balloon
Journal article   Open access   Peer reviewed

Proof of concept: Exposing the myth of urethral atrophy after artificial urinary sphincter via assessment of circumferential recovery after capsulotomy and intraoperative pressure profiling of the pressure regulating balloon

Amy Marcia Pearlman, Alison Marie Rasper and Ryan Patrick Terlecki
Investigative and clinical urology, Vol.59(4), pp.275-279
07/2018
DOI: 10.4111/icu.2018.59.4.275
PMCID: PMC6028470
PMID: 29984343
url
https://doi.org/10.4111/icu.2018.59.4.275View
Published (Version of record) Open Access

Abstract

Rate of continence after artificial urinary sphincter (AUS) placement appears to decline with time. After appropriate workup to exclude inadvertent device deactivation, development of urge or overflow incontinence, and fluid loss, many assume recurrent stress urinary incontinence (rSUI) to be secondary to nonmechanical failure, asserting urethral atrophy as the etiology. We aimed to characterize the extent of circumferential urethral recovery following capsulotomy and that of pressure regulating balloon (PRB) material fatigue in men undergoing AUS revision for rSUI. Retrospective review of a single surgeon database was performed. Cases of AUS removal/replacement for rSUI involving ventral subcuff capsulotomy and intraoperative PRB pressure profile assessments were identified. The described operative approach involving capsulotomy was applied in 7 patients from November 2015 to September 2017. Mean patient age was 75 years. Mean time between AUS placement and revision was 103 months. Urethral circumference increased in all patients after capsulotomy (mean increase 1.1 cm; range 0.5-2.5 cm). Cuff size increased, remained the same, and decreased in 2, 3, and 2 patients, respectively. Six of 7 patients underwent PRB interrogation. Four of these 6 PRBs (66.7%) demonstrated pressures in a category below the reported range of the original manufacturer rating. Despite visual appearance to suggest urethral atrophy, subcuff capsulotomy results in increased urethral circumference in all patients. Furthermore, intraoperative PRB profiling demonstrates material fatigue. Future multicenter efforts are warranted to determine if capsulotomy, with or without PRB replacement, may simplify surgical management of rSUI with reductions in cost and/or morbidity.
Recurrence Prospective Studies Urinary Incontinence, Stress - etiology Humans Middle Aged Male Transurethral Resection of Prostate - adverse effects Atrophy - etiology Prostatectomy - adverse effects Pressure Urinary Sphincter, Artificial - adverse effects Urethra - pathology Prosthesis Failure Reoperation - statistics & numerical data Aged, 80 and over Aged Retrospective Studies Urinary Incontinence, Stress - surgery

Details

Metrics

Logo image