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Urethral reconstruction

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https://www.readbyqxmd.com/read/28739721/a-preclinical-study-of-cell-seeded-tubularized-scaffolds-specially-secreting-ll37-for-reconstruction-of-long-urethral-defects
#1
Yongwei Li, Jitao Wu, Fan Feng, Changping Men, Diandong Yang, Zhenli Gao, Zhe Zhu, Yuanshan Cui, Hongwei Zhao
AIM: We constructed a new artificial, long tubular acellular matrix, seeded with autologous progenitor cells transfected with the sequence to produce the antibiotic peptide LL37 and another two common seeding cells, which might be adopted for patients requiring repair of long segment of the urethra. MATERIALS AND METHODS: Autologous endothelial progenitor cells transfected by lentiviral vectors expressing antibiotic peptide LL37, as well as urothelial and smooth muscle cells from New Zealand white male rabbits, were cultured and seeded onto preconfigured acellular collagen-based tubular matrices (3 cm in length)...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28738730/male-urethral-reconstruction-using-vagina-as-a-substitute-in-a-45x-46xy-case
#2
Seppo Taskinen, Riikka Järvinen, Maija Kolehmainen, Jukka Sairanen
No abstract text is available yet for this article.
July 25, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28735714/internal-urethrotomy-with-intralesional-mitomycin-c-an-effective-option-for-endoscopic-management-of-recurrent-bulbar-and-bulbomembranous-urethral-strictures
#3
M Ryan Farrell, Cedric Lawrenz, Laurence A Levine
OBJECTIVE: To describe our experience with direct visual internal urethrotomy (DVIU) and mitomycin C (MMC) for recurrent bulbar/bulbomembranous urethral strictures of radiation and non-radiation induced etiologies. METHODS: We reviewed our database of consecutive patients presenting to our tertiary care institution with recurrent bulbar/bulbomembranous urethral strictures who underwent DVIU with MMC from 2011-2016. Patients were stratified by radiation-induced strictures (RIS) versus non-RIS...
July 20, 2017: Urology
https://www.readbyqxmd.com/read/28723371/complications-of-transvaginal-mesh-for-pelvic-organ-prolapse-and-stress-urinary-incontinence-tips-for-prevention-recognition-and-management
#4
REVIEW
Susan MacDonald, Ryan Terlecki, Elisabetta Costantini, Gopal Badlani
CONTEXT: Mesh-related complications following transvaginal management of pelvic organ prolapse (POP) and/or stress urinary incontinence (SUI) have received significant attention in the last decade. OBJECTIVE: We sought to identify patient, product, and technical factors associated with an increased risk of complications after mesh-based transvaginal repair of anterior POP and SUI. In this review we clarify the different pattern of complications after POP and SUI repairs...
August 2016: European Urology Focus
https://www.readbyqxmd.com/read/28718163/incidence-and-management-of-lower-urinary-tract-symptoms-after-urethral-stricture-repair
#5
REVIEW
Amanda S J Chung, Kurt A McCammon
Lower urinary tract symptoms (LUTS) after urethral stricture repair are not uncommon. Urgency has been reported in 40% of men and urge incontinence in 12% of men after anterior urethroplasty. De novo urgency and urge incontinence is seen in 9 and 5% of men, respectively, after urethroplasty. Once a complication of urethroplasty (such as recurrent urethral stricture or diverticulum) has been excluded as a cause, evaluation of LUTS in such patients should focus on differentiating bladder dysfunction (overactive bladder, underactive bladder), from other outlet obstruction (such as benign prostatic obstruction), dysfunctional voiding, or medical causes (such as nocturnal polyuria)...
September 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28685197/-urethral-stricture-from-diagnostics-to-appropriate-treatment
#6
F Strittmatter, V Beck, C G Stief, S Tritschler
Before making a treatment decision for patients presenting with a urethral stricture, following anamnesis and general examinations, appropriate diagnostics are necessary. This includes at least uroflowmetry and cystourethrography and the use of ultrasound and cystoscopy may be of additional help. The curative treatment of a urethral stricture is always an operation. Besides endourological procedures, open surgery for urethral reconstruction is also performed. This article aims to give an overview about the necessary diagnostic measures and the pros and cons of the different operative therapies...
July 6, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28673795/use-of-3d-reconstruction-cloacagrams-and-3d-printing-in-cloacal-malformations
#7
Jennifer J Ahn, Margarett Shnorhavorian, Anne-Marie E Amies Oelschlager, Beth Ripley, Giridhar M Shivaram, Jeffrey R Avansino, Paul A Merguerian
INTRODUCTION: Cloacal anomalies are complex to manage, and the anatomy affects prognosis and management. Assessment historically includes examination under anesthesia, and genitography is often performed, but these do not consistently capture three-dimensional (3D) detail or spatial relationships of the anatomic structures. Three-dimensional reconstruction cloacagrams can provide a high level of detail including channel measurements and the level of the cloaca (<3 cm vs. >3 cm), which typically determines the approach for surgical reconstruction and can impact long-term prognosis...
June 20, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28671286/structural-characterization-of-the-nap-the-major-adhesion-complex-of-the-human-pathogen-mycoplasma-genitalium
#8
Margot P Scheffer, Luis Gonzalez-Gonzalez, Anja Seybert, Mercè Ratera, Michael Kunz, José M Valpuesta, Ignacio Fita, Enrique Querol, Jaume Piñol, Jaime Martín-Benito, Achilleas S Frangakis
Mycoplasma genitalium, the causative agent of non-gonococcal urethritis and pelvic inflammatory disease in humans, is a small eubacterium that lacks a peptidoglycan cell wall. On the surface of its plasma membrane is the major surface adhesion complex, known as NAP, that is essential for adhesion and gliding motility of the organism. Here, we have performed cryo-electron tomography of intact cells and detergent permeabilized M. genitalium cell aggregates, providing sub-tomogram averages of free and cell-attached NAPs respectively, revealing a tetrameric complex with two-fold rotational (C2) symmetry...
July 3, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28664240/understanding-patients-preferences-for-surgical-management-of-urethral-stricture-disease
#9
Lindsay A Hampson, Tracy K Lin, Leslie Wilson, Isabel E Allen, Thomas W Gaither, Benjamin N Breyer
OBJECTIVES: To understand how prioritization of treatment attributes and treatment choice varies by patient characteristics, we sought to specifically determine how demographic variables affect patient treatment preference. PATIENTS AND METHODS: Male patients with urethral stricture disease participated in a choice-based conjoint (CBC) analysis exercise evaluating six treatment attributes associated with internal urethrotomy and urethroplasty. Demographic and past symptom data were collected...
June 29, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28647400/intraoperative-registered-ultrasound-and-fluoroscopy-iruf-for-dose-calculation-during-prostate-brachytherapy-improved-accuracy-compared-to-standard-ultrasound-based-dosimetry
#10
Junghoon Lee, Omar Y Mian, Yi Le, Hee Joon Bae, E Clif Burdette, Theodore L DeWeese, Jerry L Prince, Daniel Y Song
BACKGROUND AND PURPOSE: Intraoperative transrectal ultrasound dosimetry during low-dose-rate prostate brachytherapy is imprecise due to sonographic distortion caused by seed echoes and needle tracks that obscure seed positions or create false signals as well as traumatic edema. Here we report the results of a pilot study comparing a combined ultrasound and fluoroscopy-based seed localization method (iRUF) to standard ultrasound-based dosimetry (USD). MATERIAL AND METHODS: Eighty patients undergoing permanent Pd-103 seed implantation for prostate cancer were prospectively enrolled...
June 21, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28646238/-bladder-neck-sclerosis-following-prostate-surgery-which-therapy-when
#11
REVIEW
J J Rassweiler, H Weiss, A Heinze, M Elmussareh, M Fiedler, A S Goezen
Secondary bladder neck sclerosis represents one of the more frequent complications following endoscopic, open, and other forms of minimally invasive prostate surgery. Therapeutic decisions depend on the type of previous intervention (e.g., radical prostatectomy, TURP, HoLEP, radiotherapy, HIFU) and on associated complications (e.g., incontinence, fistula). Primary treatment in most cases represents an endoscopic bilateral incision. No specific advantages of any type of the applied energy (i.e., mono-/bipolar HF current, cold incision, holmium/thulium YAG laser) could be documented...
June 23, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28639117/tubeless-outpatient-robotic-upper-urinary-tract-reconstruction-in-the-pediatric-population-short-term-assessment-of-safety
#12
Eric J Fichtenbaum, Andrew C Strine, Charles W Concodora, Marion Schulte, Paul H Noh
Robotic upper urinary tract reconstruction (UUTR) has been widely utilized for surgical management of congenital obstruction. To further reduce morbidity and simplify postoperative care, outpatient robotic pyeloplasty (RP) and robotic ureteroureterostomy (RUU) were performed without ureteral stents, drains, or urethral catheters. The aim of the study was to assess the safety of performing tubeless robotic UUTR as an outpatient procedure. A retrospective review was performed for patients who underwent outpatient tubeless RP and RUU between July 2015 and January 2017...
June 21, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28631912/-results-of-urethral-reconstruction-in-adults-after-multiple-hypospadias-repairs
#13
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/28630778/female-urethral-diverticulum-carcinoma-a-case-report-and-literature-review
#14
Ryo Kasahara, Tadashi Tabei, Yukio Tsuura, Kazuki Kobayashi
A 48-year-old woman with a history of voiding difficulty visited our hospital. Magnetic resonance imaging revealed a periurethral tumor, which was pathologically diagnosed as an adenocarcinoma via transperineal needle biopsy. Radical cystectomy and urethrectomy were performed, and the urinary tract was reconstructed using an ileal conduit. Pathological examination of a resected specimen confirmed adenocarcinoma of the urethral diverticulum. The patient received adjuvant gemcitabine and cisplatin chemotherapy...
2017: Case Reports in Urology
https://www.readbyqxmd.com/read/28630018/the-modified-ulaanbaatar-procedure-reduced-complications-and-enhanced-cosmetic-outcome-for-the-most-severe-cases-of-hypospadias
#15
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/28627397/long-term-efficacy-of-young-dees-bladder-neck-reconstruction-role-of-the-associated-bladder-neck-injection-for-the-treatment-of-children-with-urinary-incontinence
#16
A Faure, G Hery, E Mille, P Orillac, B Da Silva, T Merrot, M Haddad, J M Guys
OBJECTIVE: To compare the long-term efficacy of Young-Dees bladder neck reconstruction (YDBNR) alone versus YDBNR plus BNI in patients with urinary incontinence caused by urethral sphincter insufficiency. PATIENTS AND METHODS: Between 1987 and 2006, we assessed the continence rates obtained with YDBNR and BNI as a supplementary treatment for persistent outlet insufficiency in patients with neurogenic bladder (group-1, n = 35) and bladder exstrophy (group-2, n = 20)...
June 13, 2017: Urology
https://www.readbyqxmd.com/read/28625744/the-anterior-sagittal-transrectal-approach-astra-for-cases-associated-with-rectal-implantation-of-the-urethra-a-retrospective-review-of-six-cases
#17
A Macedo, M I S Silva, J A Pompermaier, S L Ottoni, R de Castro, M Leal da Cruz
INTRODUCTION: Severe genital abnormalities such as urogenital sinus and urethral duplication with ectopic urethra in the rectum represent a major challenge in reconstructive urology. OBJECTIVE: We aimed to review our cases presenting with functional ectopic urethra implanted in the rectum that were treated through an ASTRA approach. METHODS: We reviewed the medical records of all patients who had undergone an ASTRA approach from 2005-2016...
May 17, 2017: Journal of Pediatric Urology
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
#18
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 or without subsequent AUS replacement...
June 15, 2017: Urology
https://www.readbyqxmd.com/read/28601862/management-of-anterior-urethral-strictures-in-adults-a-survey-of-contemporary-practice-in-germany
#19
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/28593780/-complications-tension-free-vaginal-tape-surgery
#20
P Piškytlová
OBJECTIVE: A comprehensive overview of the potential complications associated with vaginal tape operations, which are commonly used in the treatment of stress urinary incontinence in women. DESIGN: Review article. SETTING: Department of Obstetrics and Gynecology, Oblastní nemocnice Kolín, a.s. METHODS: Using medical databases were searched articles dealing with complications tension-free vaginal tape procedures. In individual cases, complications were observed their causes and solutions...
2017: Ceská Gynekologie
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