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Artificial urinary sphincter

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https://www.readbyqxmd.com/read/28343260/urethral-lumen-occlusion-by-artificial-sphincteric-devices-a-computational-biomechanics-approach
#1
Arturo Nicola Natali, Emanuele Luigi Carniel, Chiara Giulia Fontanella, Silvia Todros, Giulia Maria De Benedictis, Maria Angela Cerruto, Walter Artibani
The action induced by artificial sphincteric devices to provide urinary continence is related to the problem of evaluating the interaction between the occlusive cuff and the urethral duct. The intensity and distribution of the force induced within the region of application determine a different occlusion process and potential degradation of the urethral tissue, mostly at the borders of the cuff. This problem is generally considered in the light of clinical and surgical operational experience, while a valid cooperation is established with biomechanical competences by means of experimental and numerical investigation...
March 25, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28328189/editorial-comment-artificial-urinary-sphincter-revision-for-urethral-atrophy-comparing-single-cuff-downsizing-and-tandem-cuff-placement
#2
EDITORIAL
Marcio Augusto Averbeck
No abstract text is available yet for this article.
March 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28322899/permanent-bulbar-urethral-ligation-emerging-treatment-option-for-incontinent-men-with-end-stage-urethra
#3
Maia E VanDyke, Boyd R Viers, Travis J Pagliara, Jeremy M Scott, Nabeel Shakir, Daniel D Dugi, Billy H Cordon, Matthias D Hofer, Allen F Morey
OBJECTIVE: To report our experience with permanent urethral ligation for severe incontinence among men with end-stage urethra. METHODS: From our institutional Artificial Urethral Sphincter (AUS) database of 512 patients from 2010-2016, 10 men underwent permanent urethral ligation with concurrent suprapubic tube (SPT) diversion following recurrent AUS cuff erosion. Clinical characteristics and outcomes were evaluated. Quality of life (QOL) was assessed using the Michigan Incontinence Symptom Index (M-ISI) and the Patient Global Index of Improvement (PGI-I)...
March 16, 2017: Urology
https://www.readbyqxmd.com/read/28319023/isolated-bilateral-simplex-ureteric-ectopia-bladder-capacity-as-an-indicator-of-continence-outcome
#4
Vasilis Stavrinides, Paul Charlesworth, Dan Wood, Divyesh Desai, Abraham Cherian, Imran Mushtaq, Peter Cuckow, Naima Smeulders
INTRODUCTION: Isolated bilateral simplex ectopic ureters (BSEUs) are rare but pose a therapeutic challenge: ureteric reimplantation alone does not accomplish continence in all. Identifying the patients needing additional procedures for continence early could prevent multiple operations. OBJECTIVE: Potential preoperative indicators for postoperative continence are explored in eight BSEU girls without cloacal, anorectal, or spinal anomalies. STUDY DESIGN: With institutional approval, all patients with BSEU between 1985 and 2012 were retrospectively reviewed...
March 6, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28267055/overactive-bladder-syndrome-and-lower-urinary-tract-symptoms-after-prostate-cancer-treatment
#5
Suzanne Biers, Karl-Dietrich Sievert, Nikesh Thiruchelvam
PURPOSE OF REVIEW: To assess the contemporary literature on the prevalence, cause and management of lower urinary tract symptoms (LUTS) and bladder overactivity following treatment of prostate cancer with radical surgery, radiotherapy and minimally invasive therapies for localized prostate cancer, including cryotherapy and high-intensity focused ultrasound (HIFU). RECENT FINDINGS: Generally, the highest risk of urinary incontinence is after open radical prostatectomy (7-40%), although not all contemporary studies demonstrate a difference between open and laparoscopic techniques...
March 4, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28263134/standing-cough-test-for-evaluation-of-post-prostatectomy-incontinence-a-pilot-study
#6
Allen F Morey, Nirmish Singla, Maude Carmel, Alexandra Klein, Timothy J Tausch, Jordan Siegel, Isamu Tachibana, Jeremy Scott
INTRODUCTION: We implemented a standardized Standing Cough Test (SCT) for assessment of men with post-prostatectomy incontinence (PPI) and stratified results according to an objective clinical grading scale in an attempt to facilitate male anti-incontinence surgical procedure selection. MATERIALS AND METHODS: SCT was routinely performed during the initial outpatient consultation for PPI. Incontinence severity was recorded based on a novel Male Stress Incontinence Grading Scale (MSIGS) to stratify PPI...
February 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28215049/laparoscopic-implantation-of-artificial-urinary-sphincter-in-women-with-intrinsic-sphincter-deficiency-mid-term-outcomes
#7
Carlos Ferreira, Pierre-Emannuel Brychaert, Johann Menard, Eric Mandron
OBJECTIVES: To analyze the safety and the mid-term continence rates of laparoscopic implantation of artificial urinary sphincter in women. METHODS: A total of 52 women with intrinsic sphincter deficiency underwent a laparoscopic artificial urinary sphincter implantation from 2005 to 2015 at Surgical Clinic Du Pré, Le Mans, France. The artificial urinary sphincter was implanted around the bladder neck by a transperitoneal laparoscopic approach to the Retzius space...
February 19, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28197026/artificial-urinary-sphincter-urethral-erosions-temporal-patterns-management-and-incidence-of-preventable-erosions
#8
Deepak K Agarwal, Brian J Linder, Daniel S Elliott
INTRODUCTION: The artificial urinary sphincter (AUS) is the mainstay of surgical treatment for male stress urinary incontinence. Although urethral erosions are a known complication, their temporal distribution and optimal management have not been well characterized. We seek to evaluate the timing, etiologies, and management of urethral erosions in primary AUS implantations. MATERIALS AND METHODS: 1802 male patients underwent AUS procedure at Mayo Clinic (Rochester) from 1983 to 2011, including 1082 primary placements...
January 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28169469/long-term-outcomes-of-primary-implantation-and-revisions-of-artificial-urinary-sphincter-in-men-with-stress-urinary-incontinence
#9
Yoon Seok Suh, Kwang Jin Ko, Tae Heon Kim, Hyun Hwan Sung, Kyu-Sung Lee
AIMS: To evaluate long-term outcomes of primary implantation and revisions of artificial urinary sphincter (AUS) in men with stress urinary incontinence (SUI). METHODS: The medical records of 155 consecutive patients who underwent AMS 800™ implantation from 2003 to 2015 were reviewed. Treatment success (TS) was defined as no need for pads, and social continence (SC) was defined as a need for pad ≤1/day at last follow-up. The efficacy, complication rates, and associated risk factors with reoperation and durability of primary AUS implantation, as well as treatment outcomes following AUS revision were evaluated...
February 7, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28130178/urethral-stricture-outcomes-after-aus-cuff-erosion-results-from-a-multicenter-retrospective-analysis
#10
Martin S Gross, Joshua A Broghammer, Melissa R Kaufman, Douglas F Milam, William O Brant, Mario A Cleves, Travis W Dum, Christopher McClung, LeRoy A Jones, Jeffrey D Brady, Michael B Pryor, Gerard D Henry
OBJECTIVE: To evaluate the influence of both repair type and degree of cuff erosion on post-operative urethral stricture rate. Sparse literature exists regarding patient outcomes after artificial urinary sphincter (AUS) cuff erosion. Surgeons from six high-volume male continence centers compiled a comprehensive database of post-erosion patients to examine outcomes. MATERIALS AND METHODS: This retrospective multi-institution study included 80 patients treated for AUS cuff erosions...
January 24, 2017: Urology
https://www.readbyqxmd.com/read/28128901/artificial-urinary-sphincter-revision-for-urethral-atrophy-comparing-single-cuff-downsizing-and-tandem-cuff-placement
#11
Brian J Linder, Boyd R Viers, Matthew J Ziegelmann, Marcelino E Rivera, Daniel S Elliott
OBJECTIVE: To compare outcomes for single urethral cuff downsizing versus tandem cuff placement during artificial urinary sphincter (AUS) revision for urethral atrophy. MATERIALS AND METHODS: We identified 1778 AUS surgeries performed at our institution from 1990-2014. Of these, 406 were first AUS revisions, including 69 revisions for urethral atrophy. Multiple clinical and surgical variables were evaluated for potential association with device outcomes following revision, including surgical revision strategy (downsizing a single urethral cuff versus placing tandem urethral cuffs)...
March 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28124538/artificial-urinary-sphincter-for-urinary-incontinence-after-radical-prostatectomy-a-historical-cohort-from-2004-to-2015
#12
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 implant, 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...
January 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28096915/the-impact-of-prior-urethral-sling-on-artificial-urinary-sphincter-outcomes
#13
Matthew J Ziegelmann, Brian J Linder, Marcelino E Rivera, Boyd R Viers, Daniel S Elliott
INTRODUCTION: We sought to evaluate device outcomes in men who underwent primary artificial urinary sphincter (AUS) placement after failed male urethral sling (MUS). METHODS: We performed a retrospective chart review of 990 men who underwent an AUS procedure between 2003 and 2014. Of these, 540 were primary AUS placements, including 30 (5.5%) with a history of MUS. AUS revisions and explantations were compared between men stratified by the presence of prior sling...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28094490/urinary-incontinence-in-women-non-pharmacologic-approaches-and-newer-pharmacotherapies-an-update
#14
Casey G Kowalik, Joshua A Cohn, Alex Gomelsky, Roger R Dmochowski
Urinary incontinence is a widespread problem for women, with stress urinary incontinence (SUI) being the most common type. An updated review of PubMed literature using the following keywords was performed: stress urinary incontinence, women, midurethral slings, bulking agents, pubovaginal slings, retropubic suspension, postoperative complications, and treatment outcome. More recent publications, systematic reviews, and meta-analyses were given preference. The aging population will increase the demand for care of women with SUI...
January 17, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28093308/antibiotic-coating-of-the-artificial-urinary-sphincter-ams-800-%C3%A2-is-it-worthwhile
#15
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 M Naumann, Josef Schweiger, Carola Wotzka, Joanne Nyarangi-Dix, Torben Hofmann, Kurt Ulm, Ricarda M Bauer, Axel Haferkamp
OBJECTIVES: To investigate the impact of the antibiotic coating InhibiZone(®) on the infection and explantation rates of the AMS 800(®) in comparison to the AMS 800(®) without InhibiZone(®). METHODS: We retrospectively identified 305 patients with an AMS 800(®) in a multicenter cohort study. Patients were subsequently divided into InhibiZone(®) and without InhibiZone(®)-coated groups. Infection as well as explantation rates were analysed by univariate and consecutively by multivariate logistic regression adjusted to variable risk factors...
January 13, 2017: Urology
https://www.readbyqxmd.com/read/28089244/synchronous-ipsilateral-high-submuscular-placement-of-prosthetic-balloons-and-reservoirs
#16
Nicholas L Kavoussi, Matthias D Hofer, Boyd R Viers, Billy H Cordon, Ryan P Mooney, Travis J Pagliara, Jeremy M Scott, Allen F Morey
INTRODUCTION: Synchronous ipsilateral high submuscular placement of artificial urinary sphincter (AUS) pressure-regulating balloons (PRBs) and inflatable penile prosthesis (IPP) reservoirs in a single submuscular tunnel is a novel strategy that could be advantageous for patients who have had major pelvic surgery. AIM: To report our initial experience with synchronous ipsilateral vs bilateral placement of AUS PRBs and IPP reservoirs in men undergoing implant surgery...
February 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28065350/preoperative-urine-culture-results-correlate-poorly-with-bacteriology-of-urologic-prosthetic-device-infections
#17
Nicholas L Kavoussi, Jordan A Siegel, Boyd R Viers, Travis J Pagliara, Matthias D Hofer, Billy H Cordon, Nabeel Shakir, Jeremy M Scott, Allen F Morey
INTRODUCTION: Although preoperative negative urine culture results and treatment of urinary tract infections are generally advised before artificial urinary sphincter (AUS) and penile prosthesis (PP) surgery to prevent device infection, limited evidence exists to support this practice. AIM: To evaluate the relation between preoperative urine culture results and the bacteriology of prosthetic device infections. METHODS: Men undergoing AUS and/or PP placement at a tertiary referral center from 2007 through 2015 were analyzed...
January 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28028713/magnetically-controlled-endourethral-artificial-urinary-sphincter
#18
T Mazzocchi, Leonardo Ricotti, N Pinzi, A Menciassi
Urinary incontinence is a largely spread disfunction that affects more than 300 million people worldwide. At present, no technological solutions are able to restore continence in a minimally invasive and effective way. In this article the authors report the design, fabrication, and testing of a novel artificial endourethral urinary sphincter able to fully restore continence. The device can be inserted/retracted in a minimally invasive fashion without hospital admission, does not alter the body scheme and can be applied to both women and men...
December 27, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27908376/urethral-strictures-and-artificial-urinary-sphincter-placement
#19
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
#20
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
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