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Urethral stricture

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https://www.readbyqxmd.com/read/28631919/-rehabilitation-of-patients-with-complicated-forms-of-urethral-obliterations
#1
M B Pryanichnikova, O V Zhurkina
The article describes open surgical modalities for managing patients with severe obliterations of the anterior urethra. The mean age of patients was 70 years. The causes of urethral strictures and obliteration included prostatic adenomectomy, scrotal abscess with pelvic bone osteomyelitis, accidental removal of the bulbar and penile urethra during herniotomy and a prolonged use of an indwelling urethral catheter. Two patients underwent perineostomy (median and trapezoidal). In the third patient, scrotal skin was used to form "scrotal hypospadias" (a modified Johansons operation) and the fourth patient underwent Mikhalovskiis operation...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28631912/-results-of-urethral-reconstruction-in-adults-after-multiple-hypospadias-repairs
#2
S I Gamidov, M G Shneiderman, D Yu Pushkar, A O Vasil'ev, A V Govorov, R I Ovchinnikov, A Yu Popova, R D Dusmukhamedov
AIM: To improve treatment results in patients after multiple hypospadias repairs by optimizing the postoperative management. MATERIALS AND METHODS: Eighty-two patients (mean age 48.1+/-15.3 years) with urethral strictures secondary to failed hypospadias repairs underwent staged graft urethroplasty using oral mucosa (cheek, lip, tongue) as a grafting material. In 62 patients, at the end of surgery the bladder was drained with a standard Foley catheter. In twenty patients the bladder was drained with a modified silicone urethral catheter, which had an additional channel for delivering drugs and removing the urethral wound effluent, and a second additional channel for inflating a balloon fixed to the catheter tube at different parts of the catheter...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28630018/the-modified-ulaanbaatar-procedure-reduced-complications-and-enhanced-cosmetic-outcome-for-the-most-severe-cases-of-hypospadias
#3
V R Jayanthi, C B Ching, D G DaJusta, D J McLeod, S A Alpert
INTRODUCTION/OBJECTIVE: Proximal hypospadias is one of the most challenging conditions that pediatric urologists have to deal with. Many procedures have been devised over the years, but nothing has been proven to be the best option. Although there have been some attempts at correcting severe hypospadias in one procedure, most have advocated a staged approach. The classic approach - laying penile skin or a graft within a split glans followed by glanuloplasty at the second stage - by definition requires two operations on the glans...
May 18, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28626935/editorial-comment-to-substitution-urethroplasty-using-oral-mucosa-graft-for-male-anterior-urethral-stricture-disease-current-topics-and-reviews
#4
Katsumi Shigemura, Masato Fujisawa
No abstract text is available yet for this article.
June 18, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28624554/outcomes-of-urethroplasty-to-treat-urethral-strictures-arising-from-artificial-urinary-sphincter-erosions-and-rates-of-subsequent-device-replacement
#5
Sorena Keihani, Jason C Chandrapal, Andrew C Peterson, Joshua A Broghammer, Nathan Chertack, Sean P Elliott, Keith F Rourke, Nejd F Alsikafi, Jill C Buckley, Benjamin N Breyer, Thomas G Smith, Bryan B Voelzke, Lee C Zhao, William O Brant, Jeremy B Myers
OBJECTIVE: To evaluate the success of urethroplasty for urethral strictures arising after erosion of an artificial urinary sphincter (AUS) and rates of subsequent AUS replacement. PATIENTS AND METHODS: From 2009-2016, we identified patients from the Trauma and Urologic Reconstruction Network of Surgeons and several other centers. We included patients with urethral strictures arising from AUS erosion undergoing urethroplasty with/without subsequent AUS replacement...
June 14, 2017: Urology
https://www.readbyqxmd.com/read/28601862/management-of-anterior-urethral-strictures-in-adults-a-survey-of-contemporary-practice-in-germany
#6
Clemens M Rosenbaum, C Philip Reiss, Hendrik Borgmann, Johannes Salem, Margit Fisch, Johannes Huber, Marianne Schmid, Sascha A Ahyai
INTRODUCTION: Treatment methods of anterior urethral strictures in adults have undergone considerable changes in the recent past. Our goal was to determine national practice patterns among German urologists and to compare results with the results of prior international surveys. METHODS: We conducted a survey on the management of urethral strictures among German urologists. RESULTS: Eight hundred forty-five urologists, representing about 14...
June 10, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28600871/substitution-urethroplasty-using-oral-mucosa-graft-for-male-anterior-urethral-stricture-disease-current-topics-and-reviews
#7
REVIEW
Akio Horiguchi
Male anterior urethral stricture is scarring of the subepithelial tissue of the corpus spongiosum that constricts the urethral lumen, decreasing the urinary stream. Its surgical management is a challenging problem, and has changed dramatically in the past several decades. Open surgical repair using grafts or flaps, called substitution urethroplasty, has become the gold standard procedure for anterior urethral strictures that are not amenable to excision and primary anastomosis. Oral mucosa harvested from the inner cheek (buccal mucosa) is an ideal material, and is most commonly used for substitution urethroplasty, and lingual mucosa harvested from the underside of the tongue has recently emerged as an alternative material with equivalent outcome...
June 10, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28589401/tissue-preservation-techniques-at-the-time-of-urethroplasty-for-urethral-stricture-disease
#8
REVIEW
Robert Caleb Kovell, Alexander J Skokan
Reconstructive surgery for urethral stricture disease seeks to re-establish long-lasting urethral patency while minimizing associated adverse effects. In recent years, genitourinary reconstructive surgeons have developed and refined a number of techniques that seek to decrease the impact of urethroplasty on local tissues including blood supply and innervation. This review presents an outline of recent advances in urethral reconstructive techniques that seek to minimize surgical impact, including tissue preservation, tissue engineering, and minimally invasive approaches and reviews the current state of the literature related to these techniques...
July 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28579133/two-stage-flap-repair-of-severe-hypospadias-usefulness-of-the-tubularized-incised-plate-urethroplasty
#9
K H Tijani, H O Idiodi-Thomas, O A Elebute, F M Alakaloko, R W Ojewola, A O Ademuyiwa
PURPOSE: The use of flaps in the two-stage repair of posterior hypospadias associated with severe chordee has been well established. Despite the almost certain guarantee of flap take, complications such as diverticuli are still relatively high. While different applications of the tubularized incised plate have been described, experience with the application of the technique to the two-stage flap repair is very limited. A previous local review of 15 cases performed at the present institution during the period 1998-2003, using the technique as described by Rekit, revealed fistulae and diverticulum rates of 20% and 27%, respectively...
May 20, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28579068/the-impact-of-age-on-urethroplasty-success
#10
Mya Levy, Ronak A Gor, Alex J Vanni, Kristian Stensland, Bradley A Erickson, Jeremy B Myers, Bryan B Voelzke, Thomas G Smith, Benjamin N Breyer, Christopher McClung, Nejd F Alsikafi, Yunhua Fan, Sean P Elliott
OBJECTIVE: To determine if age is an independent predictor of surgical success in patients undergoing urethroplasty. Urethroplasty performed by excision and primary anastomosis depends on vascular collateralization. Successful augmented urethroplasty depends on graft neovascularization. Older patients have more comorbid conditions including peripheral vascular disease associated with reduced penile blood flow. MATERIALS AND METHODS: A retrospective review of urethroplasties from 11 institutions...
June 1, 2017: Urology
https://www.readbyqxmd.com/read/28578920/clinical-factors-and-dosimetry-associated-with-the-development-of-prostate-brachytherapy-related-urethral-strictures-a-matched-case-control-study
#11
Sandeep Singhal, Muhammad F Jamaluddin, Emma Lee, Ronald S Sloboda, Matthew Parliament, Nawaid Usmani
PURPOSE: Urethral strictures are a rare complication of prostate brachytherapy (BXT), with prior studies showing radiation dose to the bulbomembranous urethra as being associated with stricture formation. This retrospective case-control study explored clinical and dosimetric parameters associated with the development of BXT-related urethral strictures. METHODS AND MATERIALS: A cohort of 34 patients developed urethral strictures after BXT at our institution for the period of 2008-2014...
May 31, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28573791/early-experiences-of-contact-laser-vaporization-of-the-prostate-using-the-980%C3%A2-nm-high-power-diode-laser-for-benign-prostatic-hyperplasia
#12
Hideyo Miyazaki, Yoshikazu Hirano, Shinobu Kato, Naomasa Ioritani, Takaharu Ichikawa, Hitoshi Takamoto, Yukio Homma
OBJECTIVES: We report early experiences of contact laser vaporization of the prostate for symptomatic benign prostatic hyperplasia (BPH). METHODS: A total of 80 patients recruited at four institutions in Japan from April 2013 through September 2014 underwent contact laser vaporization of the prostate using 980 nm high power diode laser with an end-firing fiber in the contact mode. Patients were followed prospectively at 1 day, 2, 4, 8, 12, and 24 weeks, postoperatively per protocol, and at 1 and 2 years post-protocol...
June 2, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/28559007/comprehensive-qualitative-assessment-of-urethral-stricture-disease-toward-the-development-of-a-patient-centered-outcome-measure
#13
Benjamin N Breyer, Todd C Edwards, Donald L Patrick, Bryan B Voelzke
OBJECTIVE: The primary objective of this manuscript is to report what patients consider to be the most important symptoms, functions and impacts of USD. Correlation of the patient and physician perspective was performed. MATERIALS AND METHODS: Patients were involved at each step of PROM development. We conducted: 1) qualitative semi-structured concept elicitation interviews, 2) cognitive interviews, 3) prioritization interviews and 4) item prioritization by patients in regards to bother...
May 27, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28556547/a-systematic-review-on-cell-seeded-tissue-engineering-of-penile-corpora
#14
REVIEW
Dorien E C M de Vocht, Vincent de Kemp, J D Iljas, J L H Ruud Bosch, Laetitia M O de Kort, Petra de Graaf
INTRODUCTION: Tissue engineering of corporal tissue is a new development in otherwise untreatable erectile dysfunction and in urethral reconstructions to treat hypospadias or severe urethral stricture disease. Multiple complications can arise with the current treatments, whereas engineered tissue, if well vascularized and existing of autologous cells, may lead to better results. The aim of this review was to provide an overview of literature on cell seeded based tissue engineering of corporal penile tissue...
May 26, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28556461/double-flap-phalloplasty-in-transgender-men-surgical-technique-and-outcome-of-pedicled-anterolateral-thigh-flap-phalloplasty-combined-with-radial-forearm-free-flap-urethral-reconstruction
#15
Wouter B van der Sluis, Jan Maerten Smit, Garry L S Pigot, Marlon E Buncamper, Henri A H Winters, Margriet G Mullender, Mark-Bram Bouman
INTRODUCTION: Radial forearm free flap (RFFF) tube-in-tube phalloplasty is the most performed phalloplasty technique worldwide. The conspicuous donor-site scar is a drawback for some transgender men. In search for techniques with less conspicuous donor-sites, we performed a series of one-stage pedicled anterolateral thigh flap (ALT) phalloplasties combined with RFFF urethral reconstruction. In this study, we aim to describe this technique and assess its surgical outcome in a series of transgender men...
May 29, 2017: Microsurgery
https://www.readbyqxmd.com/read/28554520/memokath-stent-failure-in-recurrent-bulbar-urethral-strictures-results-from-an-investigative-pilot-stage-2a-study
#16
Guido Barbagli, Claudio Rimondi, Sofia Balò, Denis Butnaru, Salvatore Sansalone, Massimo Lazzeri
OBJECTIVE: To evaluate the efficacy of the Memokath stent in managing recurrent bulbar urethral strictures. MATERIALS AND METHODS: This is an investigative pilot stage 2A study in patients with a recurrent bulbar urethral stricture who underwent a Memokath stent implant from January 2014 to January 2016 in a single high-volume centre for urethral reconstruction. The Memokath stent (Pnn Medical A/S, Kvistgaard, Denmark) is manufactured from nitinol, a biocompatible alloy of nickel and titanium, which is endoscopically placed...
May 26, 2017: Urology
https://www.readbyqxmd.com/read/28552818/natural-history-of-low-stage-urethral-strictures
#17
Rajveer S Purohit, Ron Golan, Frank Copeli, James Weinberger, Matthew Benedon, Gabriel Mekel, Jerry G Blaivas
OBJECTIVE: To determine the natural history and rate of progression of incidental wide-caliber, anterior urethral strictures in men utilizing a validated stricture staging system. SUBJECTS AND METHODS: Men with incidental findings of anterior US on cystoscopy performed for urologic conditions other than US were retrospectively reviewed from 2001 through 2016. Diagnosis of US on cystoscopy was made according to a validated staging system: Stage 0 - no stricture; Stage 1 - wide caliber stricture; Stage 2 - requires gentle dilation with a flexible cystoscope; Stage 3 - impassable stricture with a visible lumen; Stage 4 - no visible lumen...
May 25, 2017: Urology
https://www.readbyqxmd.com/read/28540238/guidelines-of-guidelines-a-review-of-urethral-stricture-evaluation-management-and-follow-up
#18
REVIEW
David B Bayne, Thomas W Gaither, Mohannad A Awad, Gregory P Murphy, E Charles Osterberg, Benjamin N Breyer
BACKGROUND: Our objective is to report a comparative review of recently released guidelines for the evaluation, management, and follow-up of urethral stricture disease. METHODS: This is an analysis of the American Urologic Association (AUA) and Société Internationale d'Urologie (SIU) guidelines on urethral stricture. Strength of recommendations is stratified according to letter grade that corresponds to the level of evidence provided by the literature. RESULTS: Although few, the discrepancies between the recommendations offered by the two guidelines can be best explained by varying interpretations of the literature and available evidence on urethral strictures...
April 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28537690/effect-of-mitomycin-c-and-triamcinolone-on-preventing-urethral-strictures
#19
Omer Kurt, Fethullah Gevher, Cenk Murat Yazici, Mustafa Erboga, Mucahit Dogru, Cevat Aktas
Urethral stricture is a common disease with high recurrence rate. Several manipulations were defined to prevent the recurrence but the results were disappointing. This study aimed to evaluate the efficacy of triamcinolone and mitomycin-C on urethral stricture formation and their effect on inhibition of urethral fibrosis. A total of 24 New Zealand rabbits were divided into 3 groups. Urethras of rabbits were traumatized with pediatric resectoscope. Resection area was irrigated with 10mL saline, swapped with a cotton wool soaked with 0...
May 23, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28522932/management-of-complex-urethral-stricture-nyu-case-of-the-month-february-2017
#20
Lee Zhao
No abstract text is available yet for this article.
2017: Reviews in Urology
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