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Artificial urinary sphincter

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https://www.readbyqxmd.com/read/27908376/urethral-strictures-and-artificial-urinary-sphincter-placement
#1
REVIEW
Jeremy B Myers, William O Brant, James N Hotaling, Sara M Lenherr
Patients undergoing artificial urinary sphincter (AUS) placement often have complex medical and surgical histories, such as radical prostatectomy, endoscopic treatment of urethral strictures, previous AUS placement, and prior open urethral surgery. Urethral strictures at the bladder neck, membranous urethra, or site of a previous AUS erosion are problems that profoundly affect the timing and treatment success of AUS placement. Understanding the complexities and outcomes in this subset of patients is the only way to inform shared decision making about treatment of urinary incontinence...
February 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/27872025/contemporary-review-of-artificial-urinary-sphincters-for-male-stress-urinary-incontinence
#2
REVIEW
Faysal A Yafi, Mary K Powers, Jonathan Zurawin, Wayne J G Hellstrom
INTRODUCTION: The most common cause of urinary incontinence in men after radical prostatectomy is intrinsic sphincter deficiency, which can affect long-term quality of life. The prevalence of stress urinary incontinence (SUI) after radical prostatectomy has been reported to be 2.5% to 90%. For patients with moderate to severe male SUI, the artificial urinary sphincter (AUS) is considered the gold standard in surgical treatment. AIM: To review the available literature on the development, patient selection, surgical technique, complications, and management of AUS for male SUI...
April 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/27819751/artificial-urinary-sphincter-for-urinary-incontinence-after-radical-prostatectomy-a-historical-cohort-from-2004-to-2015
#3
Augusto Cesar Soares Dos Santos, Luíza de Oliveira Rodrigues, Daniela Castelo Azevedo, Lélia Maria de Almeida Carvalho, Mariana Ribeiro Fernandes, Sandra de Oliveira Sapori Avelar, Maria Glória Cruvinel Horta, Silvana Márcia Bruschi Kelles
This study aimed to retrospectively evaluate a cohort of patients with prostate cancer and persistent urinary incontinence after radical prostatectomy. From January 2004 to December 2015, eighty-six individuals were identified to have received an AUS im¬plant, provided by a private nonprofit HMO operating in Belo Horizonte, Brazil. On total, there were 91 AUS implants, with a median interval between radical prostatectomy and AUS implant of 3.6 years (IQR 1.9 to 5.5). The rate of AUS cumulative survival, after a median follow-up of 4...
November 2, 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/27797881/persistent-urinary-incontinence-after-a-robot-assisted-artificial-urinary-sphincter-procedure-lessons-learnt-from-two-cases
#4
François Hervé, Nicolaas Lumen, An-Sofie Goessaert, Karel Everaert
This case report describes 2 cases of persistent urinary incontinence in the beginning of the learning curve of robot-assisted bladder neck implantation of an artificial urinary sphincter (RA-AUS) in men at risk for erosion due to neurological lesions. Among a series of 4 RA-AUS, 2 patients still experienced urinary incontinence after surgery. A complete urological workup was strictly normal and did not show any device malfunction. However, during an AUS revision in these two patients, exploration revealed that the cuff was not tight enough...
October 25, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27785433/the-impact-of-androgen-deprivation-on-artificial-urinary-sphincter-outcomes
#5
George C Bailey, Brian J Linder, Marcelino E Rivera, Matthew J Ziegelmann, Laureano J Rangel, Daniel S Elliott
BACKGROUND: Androgen deprivation therapy (ADT) causes systemic tissue atrophy. It is unclear if this tissue atrophy adversely impacts artificial urinary sphincter (AUS) outcomes. We sought to evaluate the effect of ADT on adverse AUS outcomes. METHODS: We retrospectively identified 518 men undergoing primary AUS placement at our institution between 1998 and 2014. Rates of device explant for infection/erosion, mechanical failure, and urethral atrophy in men with >6 months of ADT use within 2 years prior to AUS placement were compared to ADT naive men...
October 2016: Translational Andrology and Urology
https://www.readbyqxmd.com/read/27783117/-urethral-stricture-after-radiation-therapy
#6
C M Rosenbaum, O Engel, M Fisch, L A Kluth
Radiation-induced urethral stricture occurs most often due to radiation for prostate cancer. It is one of the most common side effects of radiotherapy. Stricture rates are lowest in patients undergoing external beam radiation therapy, occur more frequently in those who require brachytherapy and show highest stricture rates in patients receiving a combination of external beam radiation and brachytherapy. Strictures are mostly located at the bulbomembranous part of the urethra. Diagnostic work-up should include basic urologic work-up, ultrasound, uroflowmetric assessment, urethroscopy, retrograde urethrogram and voiding cystourethrography...
October 25, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27727094/-impact-of-anastomotic-strictures-on-treatment-of-post-prostatectomy-stress-incontinence-by-artificial-urinary-sphincter
#7
G Pic, J E Terrier, B Ozenne, N Morel-Journel, P Paparel, A Ruffion
INTRODUCTION: Stress urinary incontinence (SUI) is a degradation of the quality of life factor in the consequences of radical prostatectomy. Artificial urinary sphincter (AUS) is the standard treatment. Screening and preoperative treatment of anastomotic strictures (AS) is an essential step for the success of the intervention. The objective of the study was to assess the impact of AS on the results of AUA. METHODS: We retrospectively studied 147 AUS settlements from 2005 to 2013 in the urology department of the Centre Hospitalier Lyon by three operators...
October 7, 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27673430/can-filling-phase-urodynamic-parameters-predict-the-success-of-the-bulbar-artificial-urinary-sphincter-in-treating-post-prostatectomy-incontinence
#8
Eskinder Solomon, Rajan Veeratterapillay, Sachin Malde, Christopher Harding, Tamsin Jillian Greenwell
OBJECTIVE: To evaluate whether filling phase urodynamic parameters can predict the success of the artificial urinary sphincter (AUS) in treating post-prostatectomy incontinence (PPI). MATERIALS AND METHODS: We reviewed the pre-AUS urodynamics of 99 patients with PPI at two tertiary referral centers. We documented the peak DO pressure (Pdet ), capacity, and compliance (C). We defined success as patient-reported continence or only using one safety pad. Patients' perception of improvement was assessed using the PGI-I score...
September 27, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27645521/corticosteroid-usage-is-associated-with-increased-artificial-urinary-sphincter-reoperation
#9
Roderick Clark, Jennifer Winick-Ng, J Andrew McClure, Blayne Welk
OBJECTIVE: To determine if oral corticosteroid use is associated with an increased risk of AUS related reoperation. METHODS: Administrative data from Ontario was used to conduct a retrospective cohort study. Men >65 years of age who underwent implantation of an AUS between 2002 and 2013 were included. Prescriptions for oral corticosteroids were identified and men were considered exposed from the date the prescription was dispensed to 180 days after the expected end of the prescription...
September 16, 2016: Urology
https://www.readbyqxmd.com/read/27638708/mechanics-of-the-urethral-duct-tissue-constitutive-formulation-and-structural-modeling-for-the-investigation-of-lumen-occlusion
#10
Arturo Nicola Natali, Emanuele Luigi Carniel, Chiara Giulia Fontanella, Alessandro Frigo, Silvia Todros, Alessandro Rubini, Giulia Maria De Benedictis, Maria Angela Cerruto, Walter Artibani
Urinary incontinence, often related to sphincter damage, is found in male patients, leading to a miserable quality of life and to huge costs for the healthcare system. The most effective surgical solution currently considered for men is the artificial urinary sphincter that exerts a pressure field on the urethra, occluding the duct. The evaluation of this device is currently based on clinical and surgical competences. The artificial sphincter design and mechanical action can be investigated by a biomechanical model of the urethra under occlusion, evaluating the interaction between tissues and prosthesis...
September 16, 2016: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/27628806/re-male-sling-and-artificial-urethral-sphincter-for-male-stress-urinary-incontinence-among-certifying-american-urologists
#11
Allen F Morey
No abstract text is available yet for this article.
October 2016: Journal of Urology
https://www.readbyqxmd.com/read/27614334/device-survival-following-primary-implantation-of-the-ams-800-artificial-urinary-sphincter-for-male-stress-urinary-incontinence
#12
Faysal A Yafi, Kenneth J DeLay, Carrie Stewart, Jason Chiang, Premsant Sangkum, Wayne J G Hellstrom
PURPOSE: The AMS 800(TM) artificial urinary sphincter (AUS) remains the gold standard for the surgical management of male stress urinary incontinence. We reviewed AUS device survival following primary implantation. MATERIALS AND METHODS: Retrospective data was collected from the AMS 800(TM) patient information form (PIF) database. Since 1972, 77,512 PIFs for primary AUS implantation have been completed in the United States. Following exclusion of procedures performed in children and females, and those labeled with an unknown surgical technique, 27,096 AUS cases were included in the analysis...
September 7, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27598774/risk-factors-for-failure-of-male-slings-and-artificial-urinary-sphincters-results-from-a-large-middle-european-cohort-study
#13
Tanja Hüsch, Alexander Kretschmer, Frauke Thomsen, Dominik Kronlachner, Martin Kurosch, Alice Obaje, Ralf Anding, Tobias Pottek, Achim Rose, Roberto Olianas, Alexander Friedl, Wilhelm Hübner, Roland Homberg, Jesco Pfitzenmaier, Ulrich Grein, Fabian Queissert, Carsten Maik Naumann, Josef Schweiger, Carola Wotzka, Joanne Nyarangi-Dix, Torben Hofmann, Kurt Ulm, Ricarda M Bauer, Axel Haferkamp
INTRODUCTION: We analysed the impact of predefined risk factors: age, diabetes, history of pelvic irradiation, prior surgery for stress urinary incontinence (SUI), prior urethral stricture, additional procedure during SUI surgery, duration of incontinence, ASA-classification and cause for incontinence on failure and complications in male SUI surgery. MATERIALS AND METHODS: We retrospectively identified 506 patients with an artificial urinary sphincter (AUS) and 513 patients with a male sling (MS) in a multicenter cohort study...
September 3, 2016: Urologia Internationalis
https://www.readbyqxmd.com/read/27597079/re-urethral-atrophy-after-implantation-of-an-artificial-urinary-sphincter-fact-or-fiction
#14
Allen F Morey
No abstract text is available yet for this article.
September 2016: Journal of Urology
https://www.readbyqxmd.com/read/27595559/durability-of-artificial-urinary-sphincter-with-prior-radiation-therapy
#15
Sameer Jhavar, Gregory Swanson, Niloyjyoti Deb, Lake Littlejohn, Jessica Pruszynski, Graham Machen, Preston Milburn, Erin Bird
BACKGROUND: The aim of this study was to investigate the effect of prior radiation therapy on artificial urinary sphincter. METHODS: Group 1 was comprised of 63 men who underwent prior radical prostatectomy, and Group 2 was comprised of 31 men who received prior radiation therapy with or without prior radical prostatectomy. Social incontinence was defined as requiring to use > 1 pad per day and/or catheter-dependent at the time of last follow-up. RESULTS: The median age at artificial urinary sphincter placement was 71 years (interquartile range, 55-74 years)...
August 1, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27580297/decline-in-artificial-urinary-sphincter-survival-in-modern-practice-do-we-treat-a-different-patient
#16
Fawzy Farag, Maarten van der Doelen, Jetske van Breda, Kathleen D'Hauwers, John Heesakkers
AIM: Over the past few years, we have been doing an increasing number of revisions for artificial urinary sphincters (AUS) at our center. The study aims to investigate reason for this change in our practice. METHODS: Demographics and surgical outcomes of patients who received AUS in 2003-2014 at our center were retrospectively evaluated, and patients were contacted to check the current status of their AUS. The outcomes of the study were: percentage of revisions and explanation, survival, and the risk factors associated with these events...
August 31, 2016: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/27555513/is-risk-of-artificial-urethral-sphincter-cuff-erosion-higher-in-patients-with-penile-prosthesis
#17
Varun Sundaram, Billy H Cordon, Matthias D Hofer, Allen F Morey
INTRODUCTION: Frequently encountered morbidities after prostatectomy include stress urinary incontinence and erectile dysfunction. Patients with severe disease may undergo placement of both a penile prosthesis (PP) and an artificial urethral sphincter (AUS). AIM: We hypothesized that concomitant PP may promote AUS cuff erosion by impaired corporal blood flow and/or direct pressure on the cuff. The aim of this study was to compare the rate of AUS cuff erosion in patients with and without a PP...
September 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27530384/the-history-of-nontraditional-or-ectopic-placement-of-reservoirs-in-prosthetic-urology
#18
REVIEW
Paul Perito, Steven Wilson
INTRODUCTION: Reservoir placement during implantation of prosthetic urology devices has been problematic throughout the history of the surgical treatment of erectile dysfunction and urinary incontinence. We thought it would be interesting to review the history of reservoir placement leading up to current surgical techniques. AIM: To provide an overview of the past and present techniques for reservoir placement and discuss the evolutionary process leading to safe and effective placement of prosthetic reservoirs...
April 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/27450351/low-serum-testosterone-level-predisposes-to-artificial-urinary-sphincter-cuff-erosion
#19
Matthias D Hofer, Allen F Morey, Kunj Sheth, Timothy J Tausch, Jordan Siegel, Billy H Cordon, Matthew I Bury, Earl Y Cheng, Arun K Sharma, Chris M Gonzalez, William E Kaplan, Nicholas L Kavoussi, Alexandra Klein, Claus G Roehrborn
OBJECTIVE: To examine the association between decreased serum testosterone levels and AUS cuff erosion. METHODS: We evaluated serum testosterone levels in 53 consecutive patients. Low testosterone was defined as <280 ng/dl and found in 30/53 patients (56.6%). Chi-square and Student's t tests, Kaplan-Meier analysis, binary logistic regression and Cox regression analysis were used to determine statistical significance. RESULTS: Nearly all men with AUS cuff erosions had low serum testosterone (18/20, 90...
July 20, 2016: Urology
https://www.readbyqxmd.com/read/27445509/artificial-urinary-sphincters-for-male-stress-urinary-incontinence-current-perspectives
#20
REVIEW
Billy H Cordon, Nirmish Singla, Ajay K Singla
The artificial urinary sphincter (AUS), which has evolved over many years, has become a safe and reliable treatment for stress urinary incontinence and is currently the gold standard. After 4 decades of existence, there is substantial experience with the AUS. Today AUS is most commonly placed for postprostatectomy stress urinary incontinence. Only a small proportion of urologists routinely place AUS. In a survey in 2005, only 4% of urologists were considered high-volume AUS implanters, performing >20 per year...
2016: Medical Devices: Evidence and Research
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