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1.
J Clin Med ; 12(12)2023 Jun 12.
Artículo en Inglés | MEDLINE | ID: mdl-37373698

RESUMEN

BACKGROUND: Circular urethral compression with an artificial sphincter allows control of voiding, even in patients with severe stress urinary incontinence, but it heightens the risk of urethral atrophy and erosion. This study of one of the largest populations of patients treated with radiotherapy investigates the additive effect of the post-radiogenic stricture of the membranous urethra/bladder neck on AMS 800 artificial urinary sphincter outcomes. METHODS: In a retrospective multicenter cohort study, we analyzed patients fitted with an AMS 800, comparing those who had received radiotherapy with patients presenting a devastated bladder outlet (stricture of the membranous urethra/bladder neck). We determined the correlation between these groups of patients using both univariate and stepwise adjusted multivariate regression. The revision-free interval was estimated by a Kaplan-Meier plot and compared by applying the log-rank test. A p value below 0.05 was considered statistically significant. RESULTS: Of the 123 irradiated patients we identified, 62 (50.4%) had undergone at least one prior desobstruction for bladder-neck/urethra stenosis. After a mean follow-up of 21 months, the latter tended to achieve social continence less frequently (25.7% vs. 35%; p = 0.08). Revision was required significantly more often for this group (43.1% vs. 26.3%; p = 0.05) due to urethral erosion in 18 of 25 cases. A stenosis recurred in five cases; desobstruction was performed in two cases, leading to erosion in both. Multivariate analysis revealed a significantly higher risk of revision when recurrent stenosis necessitated at least two prior desobstructions (HR 2.8; p = 0.003). CONCLUSIONS: A devastated bladder outlet is associated with a lower proportion of men with social continence and a significantly higher need for revision compared with irradiated patients without a history of urethral stenosis. Alternative surgical procedures should be discussed beforehand, especially in cases of recurrent urethral stenosis.

2.
World J Urol ; 41(6): 1691-1696, 2023 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-37055589

RESUMEN

PURPOSE: Patients with artificial urinary eventually need surgical revision. Unfortunately, in women, this requires another invasive abdominal intervention. Robotic-assisted revision may provide a less invasive and more acceptable approach for sphincter revision in women. We wanted to determinate the continence status after robotic-assisted artificial urinary sphincter revision among women with stress incontinence. We also examined postoperative complications and the safety of the procedure. METHODS: The chart of the 31 women with stress urinary incontinence who underwent robotic-assisted AUS revision at our referral center from January 2015 to January 2022 were reviewed retrospectively. All patients underwent a robotic-assisted artificial urinary sphincter revision by one of our two expert surgeons. The primary outcome was to determinate the continence rate after revision and the secondary outcome aimed to evaluate the safety and feasibility of the procedure. RESULTS: Mean patients age was 65 years old, and the mean time between the sphincter revision and previous implantation was 98 months. After a mean follow-up of 35 months, 75% of the patients were fully continent (0-pad). Moreover, 71% of the women were back to the same continence status as with the previously functional sphincter, while 14% even have an improved continence status. Clavien-Dindo grade [Formula: see text] 3 and overall complications occurred in 9% and 20.5% of our patients, respectively. This study is mainly limited by its retrospective design. CONCLUSION: Robotic-assisted AUS revision carries satisfying outcome in terms of continence and safety.


Asunto(s)
Procedimientos Quirúrgicos Robotizados , Incontinencia Urinaria de Esfuerzo , Esfínter Urinario Artificial , Humanos , Femenino , Preescolar , Esfínter Urinario Artificial/efectos adversos , Estudios Retrospectivos , Implantación de Prótesis/métodos , Incontinencia Urinaria de Esfuerzo/etiología , Resultado del Tratamiento
3.
Biomedicines ; 11(1)2023 Jan 14.
Artículo en Inglés | MEDLINE | ID: mdl-36672723

RESUMEN

The artificial urinary sphincter (AUS) is an effective treatment option for incontinence due to intrinsic sphincteric deficiency in the context of neurogenic lower urinary tract dysfunction, or stress urinary incontinence following radical prostatectomy. A subset of AUS devices develops infection and requires explant. We sought to characterize biofilm composition of the AUS device to inform prevention and treatment strategies. Indwelling AUS devices were swabbed for biofilm at surgical removal or revision. Samples and controls were subjected to next-generation sequencing and metabolomics. Biofilm formation of microbial strains isolated from AUS devices was reconstituted in a bioreactor mimicking subcutaneous tissue with a medical device present. Mean patient age was 73 (SD 10.2). All eighteen artificial urinary sphincter devices harbored microbial biofilms. Central genera in the overall microbe−metabolite interaction network were Staphylococcus (2620 metabolites), Escherichia/Shigella (2101), and Methylobacterium-Methylorubrum (674). An rpoB mutation associated with rifampin resistance was detected in 8 of 15 (53%) biofilms. Staphylococcus warneri formed greater biofilm on polyurethane than on any other material type (p < 0.01). The results of this investigation, wherein we comprehensively characterized the composition of AUS device biofilms, provide the framework for future identification and rational development of inhibitors and preventive strategies against device-associated infection.

4.
Front Surg ; 9: 918011, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35722536

RESUMEN

Objectives: An artificial urinary sphincter (AUS) is the gold standard for postoperative stress urinary incontinence (SUI). The transcorporal AUS (TC) placement constitutes the main salvage option in high-risk patients suffering from SUI with fragile urethras. The literature analyzing long-term outcomes with respect to explantation rates, continence, and erectile function is scarce. Methods and Patients: Retrospective data collection was performed in 2011. TC was applied according to a standardized protocol. TC was implanted after bulbar urethroplasty or double-cuff (DC) explantation. After TC placement, the tunica albuginea was closed in order to minimize the risk of postoperative bleedings and erectile dysfunction. Activation was performed 6 weeks postoperatively. Further follow-up (FU) was scheduled 6/24 months postoperatively and every 2 years thereafter. Primary/secondary endpoints were explantation/objective, subjective, and social continence rates. Objective or social continence was defined as the use of 0 pads/day or <2 pads/day, respectively. Thereupon, postoperative bleedings and erectile function were analyzed. Results: A total of 39 high-risk patients were available for analysis. The median age was 72 years. In total, 84.6%, 10.3%, and 2.6% had a history of radical prostatectomy, TURP, and radical cystectomy, respectively. In total, 61.5% had a history of radiation therapy of the prostate, 41% had a history of urethral surgery, and 95% had a history of double cuff explantation. The median FU was 27 months. Objective, subjective, and social continence were 54.5%, 69.7%, and 78.8%, respectively. The median pad usage was 1 pad/day [1-2.5]. Only one patient suffered from a postoperative hematoma. In total, 15.4% of the patients were able to have an erection preoperatively, compared to 7.7% after TC placement. The estimated mean explantation-free survival of the TC was 83 months in the Kaplan-Meier analysis. Conclusions: TC AUS implantation constitutes a viable salvage approach in high-risk SUI patients with a mean device survival of almost 7 years and high social continence rates of almost 80%. An intraoperative closure of the tunica albuginea after TC placement allows for very low rates of postoperative hematoma and supports postoperative erectile rigidity.

5.
Front Surg ; 9: 829517, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35223979

RESUMEN

OBJECTIVES: The objective of this study is to describe a standardized less invasive approach in patients with artificial urinary sphincter (AUS) explantation due to cuff erosion and analyze success and urethral stricture rates out of a prospective database. Evidence regarding complication management is sparse with heterogenous results revealing high risk of urethral stricture formation despite simultaneous urethroplasty in case of AUS explantation. PATIENTS AND METHODS: Data of all patients undergoing AUS implantation due to stress urinary incontinence (SUI) in our tertiary center were prospectively collected from 2009 to 2015. In case of cuff erosion, AUS explantation was carried out in an institutional standardized strategy without urethroplasty, urethral preparation or mobilization nor urethrorrhaphy. Transurethral and suprapubic catheters were inserted for 3 weeks followed by radiography of the urethra. Further follow-up (FU) consisted of pad test, uroflowmetry, postvoiding residual urine (PVR), and radiography. Primary endpoint was urethral stricture rate. RESULTS: Out of 235 patients after AUS implantation, 24 (10.2%) experienced cuff erosion with consecutive explantation and were available for analysis. Within a median FU of 18.7 months after AUS explantation, 2 patients (8.3%) developed a urethral stricture. The remaining 22 patients showed a median Qmax of 17 ml/s without suspicion of urethral stricture. Median time to reimplantation was 4 months (IQR 3-4). CONCLUSION: We observed a considerably low stricture formation and could not prove an indication for primary urethroplasty nor delay in salvage SUI treatment possibilities. Therefore, the presented standardized less invasive explantation strategy with consequent urinary diversion seems to be safe and effective and might be recommended in case of AUS cuff erosion.

6.
Low Urin Tract Symptoms ; 14(1): 78-81, 2022 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-34431608

RESUMEN

CASE: We describe a rare case of pubic osteomyelitis secondary to implantation of an artificial urinary sphincter (AUS). A 49-year-old man developed total urinary incontinence due to spinal cord injury 23 years earlier. After AUS implantation, he became continent. Fourteen years later, incontinence suddenly recurred. OUTCOME: We planned to replace the dysfunctional AUS with a new one. We removed only the implanted control pump, leaving the urethral cuff at the bladder neck and pressure-regulating balloon to reduce surgical invasiveness, and performed AUS reimplantation. A new urethral cuff was placed around the bulbar urethra. Postoperatively, antibiotics, placement of a drainage catheter, and removal of the new AUS were required due to device infection. However, the infection persisted and magnetic resonance imaging showed inflammatory changes at the symphysis pubis, so osteotomy was performed to control infection. One year postoperatively, no gait disturbance or recurrence of pubic osteomyelitis was identified. AUS reimplantation was again performed and the patient is now socially continent. CONCLUSIONS: We have reported a rare case of pubic osteomyelitis secondary to AUS implantation. Clinicians should suspect pubic osteomyelitis if infection persists.


Asunto(s)
Osteomielitis , Incontinencia Urinaria de Esfuerzo , Esfínter Urinario Artificial , Humanos , Masculino , Persona de Mediana Edad , Osteomielitis/etiología , Osteomielitis/cirugía , Implantación de Prótesis , Hueso Púbico/cirugía , Resultado del Tratamiento , Uretra/cirugía , Incontinencia Urinaria de Esfuerzo/cirugía
7.
Urol Int ; 105(3-4): 225-231, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-33440398

RESUMEN

OBJECTIVES: The artificial urinary sphincter (AUS) is the gold standard treatment for severe stress urinary incontinence (SUI). According to the literature, patients suffering from Parkinson's disease (PD) or stroke (ST) show adverse continence outcomes after prostate surgery and, therefore, constitute a challenging cohort for continence surgery. However, little is known with respect to the results of AUS surgery in these patients. A retrospective analysis of our institutional, prospectively maintained AUS database aims to address this aspect with a focus on surgical and functional outcomes. METHODS AND PATIENTS: All data of patients with an AUS implantation were prospectively collected in our database since 2009. The AUS was implanted according to a standardized protocol and activated at 6 weeks postoperatively at our institution. Further follow-up (FU) consisted of pad-test, uroflowmetry, residual urine, and radiography as well as a standardized questionnaire including the Incontinence Quality of Life questionnaire (I-Quol) and International Consultation on Incontinence questionnaire (ICIQ-SF) and is scheduled at 6 and 24 months and every 2 years thereafter. Patients received a preoperative urodynamic evaluation (UD). Patients with normal voiding and storage function were considered for AUS implantation. All patients performed a preoperative test for manual dexterity. Patients with a history of ST or PD were grouped and compared to nonneurological patients. Primary/secondary endpoints of the study were complications/continence. RESULTS: 234 patients were available for analysis. The median FU was 24 months (interquartile range 7-36). Twenty-four patients (10%) had a neurological history (PD and ST). Neurological patients showed significantly worse outcomes regarding continence (objective/subjective/social continence; p = 0.04/p = 0.02/p = 0.1). Significant differences concerning explantation rates were not observed (p = 1). Kaplan-Meier analysis showed no significant difference regarding explantation-free survival (log-rank p = 0.53). CONCLUSION: AUS implantation shows significantly worse continence rates for neurological patients, despite the fact that all patients showed normal UD results and sufficient manual dexterity. Although neurological patients showed worse outcomes for continence, AUS implantation seems to be a safe and viable treatment for patients with a history of neurological disease.


Asunto(s)
Enfermedad de Parkinson/complicaciones , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/cirugía , Prostatectomía , Neoplasias de la Próstata/cirugía , Accidente Cerebrovascular/complicaciones , Incontinencia Urinaria/etiología , Incontinencia Urinaria/cirugía , Esfínter Urinario Artificial/efectos adversos , Anciano , Bases de Datos Factuales , Humanos , Masculino , Complicaciones Posoperatorias/epidemiología , Estudios Retrospectivos , Incontinencia Urinaria/epidemiología
8.
Cureus ; 12(10): e11259, 2020 Oct 30.
Artículo en Inglés | MEDLINE | ID: mdl-33274136

RESUMEN

Urinary retention is the inability to spontaneously void with lower abdominal or suprapubic pain caused by infection, trauma, obstruction, medications, or neurological etiologies. Acute urinary retention (AUR) is a urological emergency often seen in males presenting to the emergency department (ED). AUR is frequently seen in men over the age of 60 and approximately one-third of men over the age of 80. A 61-year-old Spanish-speaking male, with a history of prostate cancer and prostatectomy with the recent insertion of an artificial urethral sphincter two months prior, presented to the ED with urinary retention, complaining of malfunction in his artificial sphincter with worsening abdominal pain, distention, urinary urgency, and nausea. A bladder scan demonstrated 450 ml of urine. Bedside ultrasound (US) showed moderate bilateral hydronephrosis and hydroureter. After consultation with urology, they revealed that the patient did not understand how to properly use his implanted device. Urology experts have recommended minimal urethral instrumentation in patients with artificial urinary sphincters due to the risk of complications. Although we present a rare cause of urinary retention, emergency physicians should avoid catheterization in these patients. Bedside renal ultrasound is useful for the diagnosis of hydronephrosis and hydroureter and confirmation of pump and balloon placement. We recommend a prompt urology consultation. This case is an important example of appropriate postoperative education and close-ended communication. Certified interpreters should be used to avoid communication barriers and complications.

9.
Urol Case Rep ; 33: 101280, 2020 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-32489903

RESUMEN

Cuff erosion at the bladder neck of an implanted artificial urinary sphincter (AUS) needs complete explantation of the device. The subsequent scar tissues predispose to repeated cuff erosion, when another AUS is implanted with the cuff at a similar location. We describe a paraplegic patient with exstrophy-epispadias complex that suffered from an AUS cuff erosion at the bladder neck. We use a novel perineal-retropubic route for cuff placement, with preparation similar to a retropubic male sling. At 12 years follow-up the AUS is still functional and the patient continent.

10.
Urol Case Rep ; 32: 101240, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-32426235

RESUMEN

Lapides has revolutionized the treatment of neurogenic patients by introducing routine intermittent catheterization in 1971. This drastically lowered mortality from urosepsis. Scott introduced the artificial urinary sphincter (AUS) in 1972. This gave a completely new perspective for incontinent patients by dramatically increasing the quality of life. In patients with neurogenic urinary incontinence, the principles of care are preserving renal function, maintaining a low-pressure reservoir, allowing unobstructed urine flow and providing continence. We describe a male patient that received an AUS with a bladder neck cuff that functioned without revision for 29 years. After 30 years, AUS exchange proved successful.

11.
World J Urol ; 38(9): 2289-2294, 2020 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31797074

RESUMEN

PURPOSE: To determine whether salvage artificial urinary sphincter (AUS) implantation after prior incontinence surgery achieves outcomes comparable to primary AUS implantation. METHODS: We retrospectively evaluated data of patients undergoing AUS implantation from 2009 to 2014. Functional outcome was objectified by 1-h stress pad test, uroflowmetry, post-void residual urine measurement, clinical examination, and chart review. Complications were categorized according to Clavien-Dindo classification system. Kaplan-Meier analysis determined explantation-free survival. RESULTS: A total of 235 patients were included of whom 165 (70.2%) underwent primary AUS. In 70 patients, salvage incontinence surgery was performed, with 24 (10.2%) patients undergoing AUS reimplantation after prior AUS surgery (repeat AUS) and 46 (19.6%) patients undergoing AUS surgery after any other type of incontinence surgery (secondary AUS). There were no significant differences in rates of continence among primary AUS and repeat AUS patients. Patients undergoing secondary AUS had significantly better continence rates than primary and repeat AUS patients. Three-year explantation-free survival rates after AUS insertion were 82.3% (primary AUS), 78.6% (repeat AUS) and 81.5% (secondary AUS). There were no differences in complication rates among the groups. CONCLUSION: AUS is a safe option in the treatment of severe incontinence even after prior AUS or any other prior incontinence surgery and can still achieve satisfactory outcomes as salvage treatment.


Asunto(s)
Reoperación/estadística & datos numéricos , Incontinencia Urinaria de Esfuerzo/cirugía , Esfínter Urinario Artificial , Anciano , Técnicas de Diagnóstico Urológico , Humanos , Masculino , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Resultado del Tratamiento , Procedimientos Quirúrgicos Urológicos/métodos
12.
Int Neurourol J ; 23(3): 219-225, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31607101

RESUMEN

PURPOSE: The aim was to study the correlation between cuff size and outcome after implantation of an AMS 800 artificial urinary sphincter. METHODS: A total of 473 male patients with an AMS 800 sphincter implanted between 2012 and 2014 were analyzed in a retrospective multicenter cohort study performed as part of the Central European Debates on Male Incontinence (DOMINO) Project. RESULTS: Single cuffs were implanted in 54.5% and double cuffs in 45.5% of the patients. The cuffs used had a median circumference of 4.5 cm. Within a median follow of 18 months, urethral erosion occurred in 12.8% of the cases and was associated significantly more often with small cuff sizes (P<0.001). Multivariate analysis showed that, apart from cuff size (P=0.03), prior irradiation (P<0.001) and the penoscrotal approach (P=0.036) were associated with an increased erosion rate. Continence rate tended to be highest with median cuff sizes (4-5.5 cm). CONCLUSION: Apart from irradiation and the penoscrotal approach, small cuff size is a risk factor for urethral erosion. Results are best with cuff sizes of 4.5-5.5 cm.

13.
BJU Int ; 124(6): 1040-1046, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31351030

RESUMEN

OBJECTIVES: To analyse functional outcomes and complication rates of artificial urinary sphincter (AUS) implantation with a distal bulbar double cuff (DC) for the treatment of stress urinary incontinence (SUI) in men with and without a history of external beam radiotherapy (RT). PATIENTS AND METHODS: Data of all patients undergoing AUS implantation with a distal bulbar DC (DC-AUS) were collected prospectively from 2009 to 2015. Indications for DC implantation were based on urethral risk factors in terms of RT and previous proximal bulbar urethral interventions including, endoscopic or open surgery for urethral stricture or SUI. Implantation was carried out to a standardised protocol. Activation of the AUS was performed 6 weeks after implantation. Further follow-up (FU) included pad test, uroflowmetry, post-void residual urine measurements, radiography, and a standardised questionnaire. Continence and complication rates were compared between patients with a history of RT and non-RT patients. Explantation-free survival was estimated using Kaplan-Meier curves and the log-rank test. Firth's penalized Cox-regression analyses were performed to analyse proportional hazard ratios for explantation. RESULTS: In all, 150 men (median age 70 years, interquartile range [IQR] 66-74) after DC-AUS implantation were available for analysis. Overall, 73 men (48.7%) had a history of RT. The median (IQR) FU was 24 (7.25-36) months. Baseline clinical characteristics only differed regarding previous open SUI surgery (P = 0.016). Social and objective continence was achieved in 94.8% and 84.3% of all patients treated by implantation of a DC-AUS, respectively. Between the RT and non-RT patients there were no statistically significant differences in continence rates [social continence: 100% vs 90.2% (P = 0.194); objective continence: 87% vs 82% (P = 0.877)]. For complications rates there were no significant differences between RT and non-RT patients after DC-AUS implantation [infection (P = 0.09), erosion (P = 0.31), mechanical failures (P = 0.14)]. According to Kaplan-Meier analysis explantation rates in patients with a history of RT (26.0%) vs non-RT patients (20.8%), estimated explantation-free survival, and AUS durability, did not differ significantly (log-rank P = 0.219). CONCLUSION: Our data from a large institutional series indicate DC-AUS implantation to be an effective and safe treatment strategy in men with SUI and a history of RT.


Asunto(s)
Radioterapia/efectos adversos , Incontinencia Urinaria de Esfuerzo , Esfínter Urinario Artificial , Procedimientos Quirúrgicos Urológicos , Anciano , Humanos , Masculino , Complicaciones Posoperatorias , Estudios Prospectivos , Neoplasias de la Próstata/radioterapia , Implantación de Prótesis , Resultado del Tratamiento , Incontinencia Urinaria de Esfuerzo/etiología , Incontinencia Urinaria de Esfuerzo/cirugía , Procedimientos Quirúrgicos Urológicos/efectos adversos , Procedimientos Quirúrgicos Urológicos/instrumentación , Procedimientos Quirúrgicos Urológicos/métodos
14.
World J Urol ; 37(4): 647-653, 2019 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-30656494

RESUMEN

OBJECTIVES: To analyze functional outcomes and complication rates of artificial urinary sphincter (AUS) implantation in patients who had undergone buccal mucosa graft urethroplasty (BMGU) beforehand. PATIENTS AND METHODS: This prospectively maintained single-center database comprises data from 236 patients from 2009 to 2015 who underwent AUS implantation. A total of 17 patients after BMGU were available for analysis. Primary endpoints consisted of continence and complication rates. Continence was defined as no use of safety pads, social continence as < 2 pads per day. Stricture recurrence was defined as a decrease in uroflowmetry, a maximum flow rate < 10 ml/s or residual urine volume (> 100 ml). Kaplan-Meier analysis determined explantation-free survival. RESULTS: Median follow-up was 24 months (interquartile range [IQR] 6-31 months). Indication for AUS implantation was severe urinary incontinence with a history of radical prostatectomy (RRP) in 8 (47.1%), trauma in 1 (5.9%) and TUR-P in 8 (47.1%) patients. Pelvic irradiation was reported in 13 (76.5%) cases. The median length of buccal mucosa graft for urethroplasty was 4 cm (3-5 cm). A double cuff was implanted in 14 patients (82.4%), 3 patients received a single cuff. Complete and social continence was achieved in 76.5% and 100% of the patients, respectively. There was no significant difference in complications and explantation-free survival (log-rank, p = 0.191) between patients who had undergone BMGU before AUS compared to patients with no history of BMGU. CONCLUSIONS: According to the prospective follow-up data in a homogenous cohort, AUS implantation seems to be a viable, safe and effective therapeutic strategy for incontinence treatment despite previous BMGU.


Asunto(s)
Mucosa Bucal/trasplante , Complicaciones Posoperatorias/cirugía , Prostatectomía , Implantación de Prótesis , Estrechez Uretral/cirugía , Incontinencia Urinaria de Esfuerzo/cirugía , Esfínter Urinario Artificial , Anciano , Estudios de Casos y Controles , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Procedimientos de Cirugía Plástica , Resección Transuretral de la Próstata , Resultado del Tratamiento , Procedimientos Quirúrgicos Urológicos Masculinos
15.
Artículo en Inglés | WPRIM (Pacífico Occidental) | ID: wpr-764121

RESUMEN

PURPOSE: The aim was to study the correlation between cuff size and outcome after implantation of an AMS 800 artificial urinary sphincter. METHODS: A total of 473 male patients with an AMS 800 sphincter implanted between 2012 and 2014 were analyzed in a retrospective multicenter cohort study performed as part of the Central European Debates on Male Incontinence (DOMINO) Project. RESULTS: Single cuffs were implanted in 54.5% and double cuffs in 45.5% of the patients. The cuffs used had a median circumference of 4.5 cm. Within a median follow of 18 months, urethral erosion occurred in 12.8% of the cases and was associated significantly more often with small cuff sizes (P<0.001). Multivariate analysis showed that, apart from cuff size (P=0.03), prior irradiation (P<0.001) and the penoscrotal approach (P=0.036) were associated with an increased erosion rate. Continence rate tended to be highest with median cuff sizes (4–5.5 cm). CONCLUSIONS: Apart from irradiation and the penoscrotal approach, small cuff size is a risk factor for urethral erosion. Results are best with cuff sizes of 4.5–5.5 cm.


Asunto(s)
Humanos , Masculino , Estudios de Cohortes , Análisis Multivariante , Estudios Retrospectivos , Factores de Riesgo , Esfínter Urinario Artificial
16.
Prog Urol ; 28(4): 209-214, 2018 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-29217348

RESUMEN

OBJECTIVES: To report our experience of inflating or changing pressure balloon to treat recurrent urinary incontinence after AMS800® implantation instead of changing all the devices. PATIENTS AND METHODS: A retrospective study was conducted in a tertiary reference center between 2005 and 2015. All patients, treated by AMS800® implantation for post-prostatectomy urinary incontinence and whom balloon was subsequently changed or inflated, were included. Main clinical end point was the need for another surgery. Secondary end points were urethral erosion, infection, and efficacy on pad test and pad use. RESULTS: Thirty-one patients were included. All had had a 61-70cm H20 balloon implanted, with a single cuff (13 with transcorporeal placement). Twenty-one patients had their balloon changed for a 71-80cm H20 type, while 10 patients had their balloon refilled (median 3mL [range 2-7]). Median follow-up was 23 months (range 1-129). Overall rate of another subsequent surgery was 48.3% (n=15). Erosion and atrophy occurred more frequently after balloon repressurizing than after balloon replacement (80% vs 33%, P=0.024). At last follow-up, median pad use was higher in repressurizing group (2 vs 1, P=0.033). CONCLUSION: Balloon repressurizing is associated with a higher erosion and reoperation rate than changing pressure balloon. Continence results seem better when PRB is changed. It could be an alternative instead of changing all devices in patients with frail urethra. LEVEL OF EVIDENCE: 4.


Asunto(s)
Complicaciones Posoperatorias/cirugía , Incontinencia Urinaria/cirugía , Esfínter Urinario Artificial , Adulto , Anciano , Anciano de 80 o más Años , Remoción de Dispositivos , Humanos , Masculino , Persona de Mediana Edad , Prostatectomía , Falla de Prótesis , Recurrencia , Reoperación , Estudios Retrospectivos , Uretra
17.
Urologia ; 85(1): 15-18, 2018 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-28967063

RESUMEN

STUDY DESIGN: Retrospective, non-randomised, single-centre study. OBJECTIVES: Comparative study of urodynamic tests in patients presenting social continence after AMS 800 or ZSI 375 insertion. MATERIALS AND METHODS: Study was open to patients with social continence, implanted with AMS 800 or ZSI 375. Vesical pressure (VP), urethral functional length (FL), maximal urethral pressure (MUP), maximal urethral closure pressure (MUCP), maximal urinary flow rate (Qmax) were registered with standard urodynamic equipment. RESULTS: From March 2012 to September 2014, 27 male patients with AMS 800 and 28 with ZSI 375 were recruited. In the AMS 800 group mean VP was 25.03 cmH2O (range 13-47), mean FL 31.96 mm (range 20-52), mean MUCP 88.29 cmH2O (range 32-160), mean MUP 119.55 cmH2O (range 77-180), mean Qmax 22.86 mL/s (range 5.6-54.6). In the ZSI 375 group, mean VP was 24.89 cmH2O (range 6-40), mean FL 30.53 mm (range 12-87), mean MUCP 70.11 cmH2O (range 38-108), mean MUP 99.89 cm H2O (range 63-134), and mean Qmax 19.25 mL/s range (7.3-39.6). DISCUSSION: Results of urodynamic tests are similar for both artificial urinary sphincters. AMS 800 cuff pressure over 70 cmH2O could be explained by the pelvis pressure and the difference of altitude between the pressure-regulating balloon (PRB) and the cuff. ZSI 375 pressure-regulating tank (PRT) is not influenced by these factors. Very high MUP could be explained with too tightened cuffs. CONCLUSIONS: AMS 800 and ZSI 375 urodynamic tests are similar. Pressure of the pelvis and difference of altitude between the AMS balloon and the cuff can lead to high MUP.


Asunto(s)
Técnicas de Diagnóstico Urológico , Implantación de Prótesis , Incontinencia Urinaria/cirugía , Esfínter Urinario Artificial , Urodinámica , Anciano , Anciano de 80 o más Años , Humanos , Masculino , Persona de Mediana Edad , Diseño de Prótesis , Implantación de Prótesis/métodos , Estudios Retrospectivos , Resultado del Tratamiento , Incontinencia Urinaria/diagnóstico , Incontinencia Urinaria/fisiopatología , Incontinencia Urinaria de Esfuerzo/cirugía
18.
Eur Urol Focus ; 3(4-5): 364-376, 2017 10.
Artículo en Inglés | MEDLINE | ID: mdl-29174616

RESUMEN

CONTEXT: Radical prostatectomy is the most common reason for male stress urinary incontinence. There is still insecurity about its therapeutic management. OBJECTIVE: To evaluate current evidence regarding therapy of postprostatectomy incontinence (PPI). EVIDENCE ACQUISITION: In October 2017, a nonsystematic review of the literature published within the last 2 yr was performed using the PubMed/Medline database. In total, 58 articles were included in the current analysis. EVIDENCE SYNTHESIS: Regarding invasive management of moderate-to-severe PPI, artificial urinary sphincter (AUS) is still the treatment of choice. Recent studies focused on efficacy, but also a plethora of potential predictive features for treatment success has been investigated. Owing to inconsistent results, there still is no consensus about valid risk factors of AUS treatment success to date. There are increasing efficacy data about the use of adjustable slings, and long-term follow-up results are now available for the AdVanceXP male sling. Evidence addressing the use of the quadratic Virtue male sling needs further evaluation. To date, there is no randomized controlled trial investigating the outcome of one specific surgical treatment or comparing the outcome of different surgical treatment options. Limitations include the nonsystematic approach. CONCLUSIONS: Level of evidence addressing the surgical management of PPI is increasing but still unsatisfying. PATIENT SUMMARY: In this review article, we look at current research regarding surgical management of stress urinary incontinence following radical prostatectomy. Many studies focus on how to predict treatment failure and outcomes after artificial urinary sphincter implantation. In addition, more information on the long-term results after male sling implantation is now available.


Asunto(s)
Prostatectomía/efectos adversos , Incontinencia Urinaria de Esfuerzo/cirugía , Incontinencia Urinaria/cirugía , Esfínter Urinario Artificial/efectos adversos , Estudios de Seguimiento , Humanos , Masculino , Complicaciones Posoperatorias/epidemiología , Valor Predictivo de las Pruebas , Estudios Prospectivos , Estudios Retrospectivos , Factores de Riesgo , Cabestrillo Suburetral/normas , Insuficiencia del Tratamiento , Resultado del Tratamiento , Incontinencia Urinaria/fisiopatología , Incontinencia Urinaria de Esfuerzo/fisiopatología , Esfínter Urinario Artificial/normas
19.
Neurourol Urodyn ; 35 Suppl 2: S8-24, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-27064055

RESUMEN

PURPOSE: The AMS800™ device, by far the most frequently implanted artificial urinary sphincter (AUS) worldwide, is considered to be the "gold-standard" when male incontinence surgical treatment is contemplated. Despite 40 years of experience, it is still a specialized procedure with a number of challenges. Here, we present the recommendations issued from the AUS Consensus Group, regarding indications, management, and follow-up AMS800™ implantation or revision. MATERIALS AND METHODS: Under ICS auspices, an expert panel met on July 10, 2015 in Chicago, IL, USA in an attempt to reach a consensus on diverse issues related to the AMS800™ device. Participants were selected by the two co-chairs on the basis of their practice in a University hospital and their experience: number of implanted AUSs according to AMS (American Medical System Holdings Inc., Minnetonka, MN) records and/or major published articles. Topics listed were the result of a pre-meeting email brainstorming by all participants. The co-chairs distributed topics randomly to all participants, who then had to propose a statement on each topic for approval by the conference after a short evidence-based presentation, when possible. RESULTS: A total of 25 urologists were invited to participate, 19 able to attend the conference. The present recommendations, based on the most recent and relevant data available in literature as well as expert opinions, successively address multiple specific and problematic issues associated with the AMS800™ trough a eight-chapter structure: pre-operative assessment, pre operative challenges, implantation technique, post-operative care, trouble-shooting, outcomes, special populations, and the future of AUSs. CONCLUSION: These guidelines undoubtedly constitute a reference document, which will help urologists to carefully select patients and apply the most adapted management to implantation, follow-up and trouble-shooting of the AMS800™.


Asunto(s)
Esfínter Urinario Artificial , Guías como Asunto , Humanos , Masculino , Cuidados Posoperatorios , Cuidados Preoperatorios , Prostatectomía/efectos adversos , Implantación de Prótesis , Resultado del Tratamiento , Obstrucción del Cuello de la Vejiga Urinaria/complicaciones , Obstrucción del Cuello de la Vejiga Urinaria/diagnóstico , Incontinencia Urinaria/etiología , Incontinencia Urinaria/cirugía , Esfínter Urinario Artificial/tendencias
20.
Neurourol Urodyn ; 35(4): 437-43, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26998767

RESUMEN

PURPOSE: The AMS800™ device is considered to be the "gold-standard" when male incontinence surgical treatment is contemplated. Despite 40 years of experience, it is still a specialized procedure with a number of challenges. Here, we present the recommendations issued from the AUS Consensus Group, regarding indications, management and follow-up AMS800™ implantation or revision. MATERIALS AND METHODS: Under ICS auspices, an expert panel met on July 10, 2015 in Chicago, IL, USA in an attempt to reach a consensus on diverse issues related to the AMS800™ device. Participants were selected by the two co-chairs on the basis of their practice in a University hospital and their experience: number of implanted AUSs according to AMS (American Medical System Holdings Inc., Minnetonka, MN) records and/or major published articles. Topics listed were the result of a pre-meeting email brainstorming by all participants. The co-chairs distributed topics randomly to all participants, who then had to propose a statement on each topic for approval by the conference after a short evidence-based presentation, when possible. RESULTS: The present recommendations, based on the most recent and relevant data available in literature as well as expert opinions, successively address multiple specific and problematic issues associated with the AMS800™ trough a 6-chapter structure: pre-operative assessment, pre operative challenges, implantation technique, post-operative care, trouble-shooting, and special populations. CONCLUSION: These guidelines undoubtedly constitute a reference document, which will help urologists to carefully select patients and apply the most adapted management to implantation, follow-up and trouble-shooting of the AMS800™. Neurourol. Urodynam. 35:437-443, 2016. © 2016 Wiley Periodicals, Inc.


Asunto(s)
Incontinencia Urinaria/cirugía , Consenso , Humanos , Masculino
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