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https://www.readbyqxmd.com/read/29767455/ureterocalicostomy-with-lower-pole-nephrectomy-in-a-renal-transplant-a-case-report
#1
Rafael Haddad Astolfi, Guilherme Alonso Daud Patavino, Claudia Felipe Rosso, Helio Tedesco Silva Junior, Jose Osmar Medina Pestana, Alex Elton Meller, Wilson Aguiar
As the number of kidney transplants continues to rise, so does the number and complexities of surgical-related complications, which may be associated with increased morbidity and potentially graft loss. Ureteral stenosis, the most prevalent urological complication, may require diverse techniques for surgical correction depending on several recipient and graft abnormalities. Here we report the surgical and clinical outcomes of a 62-year-old man with a postransplant pyeloureterostomy stricture successfully treated with ureterocalycostomy after a lower pole nephrectomy...
May 16, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29752769/systematic-review-on-ureteral-access-sheaths-facts-and-myths
#2
REVIEW
Vincent De Coninck, Etienne Xavier Keller, María Rodríguez-Monsalve, Marie Audouin, Steeve Doizi, Olivier Traxer
OBJECTIVES: To review literature on all available ureteral access sheaths (UASs) with their indications, limitations, risks, advantages and disadvantages in current modern endourological practice. PATIENTS AND METHODS: Two authors searched Medline, Scopus, Embase and Web of Science databases to identify studies on UASs published in English. No time period restriction was applied. All original articles reporting about outcomes or innovations were included. Additional articles identified through references lists were also included...
May 11, 2018: BJU International
https://www.readbyqxmd.com/read/29736372/adult-iatrogenic-ureteral-injury-and-stricture-incidence-and-treatment-strategies
#3
REVIEW
Philipp Gild, Luis A Kluth, Malte W Vetterlein, Oliver Engel, Felix K H Chun, Margit Fisch
Iatrogenic ureteral injuries and strictures are relatively common complication of pelvic surgery and radiation treatment. Left untreated they are associated with severe short- and long-term complications such as urinoma, septic state, renal failure, and loss of a renal unit. Treatment depends on timing of diagnosis, as well as extent of injury, and ranges from simple endoscopic management to complex surgical reconstruction under usage of pedicled grafts. While recent advances in ureteral tissue engineering are promising the topic is still underreported...
April 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29736371/prevention-strategies-for-ureteral-stricture-following-ureteroscopic-lithotripsy
#4
REVIEW
Hao Dong, Yonghan Peng, Ling Li, Xiaofeng Gao
Ureteral stricture formation after ureteroscopic lithotripsy is a late complication that can lead to hydronephrosis and a subsequent risk of renal deterioration. The specific incidence is unknown, and the mechanism of stricture formation has not been completely explained. In this review, we summarize the current evidence regarding the incidence of this condition and discuss its pathogenesis. We then list preventive strategies to reduce the morbidity of ureteral strictures.
April 2018: Asian Journal of Urology
https://www.readbyqxmd.com/read/29684957/-iatrogenic-injuries-of-urinary-tract-outcomes-of-surgical-repairs
#5
Yoshiaki Matsumura, Yusuke Iemura, Shinji Fukui, Yoriaki Kagebayashi, Shoji Samma
Iatrogenic urinary tract injuries are known complications of digestive and pelvic surgeries. We retrospectively reviewed 13 patients with bladder injuries and 16 patients with ureteral injuries requiring surgical repair or stent placement in our hospital between 2013 and 2016. Obstetric-gynecologic surgery accounted for 10 bladder injuries and 11 ureteral injuries on hysterectomy and Cesarean section. Digestive surgery led to 1 bladder injury and 5 ureteral injuries on colon resection, and urologic surgery resulted in 1 injury on biopsy of a retroperitoneal tumor...
March 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29684956/-clinical-utility-of-upper-urinary-tract-reconstruction-by-ileal-ureter-substitution
#6
Yoshinaga Okumura, Shusuke Akamatsu, Yoshiyuki Okada, Hiromitsu Negoro, Takashi Kobayashi, Naoki Terada, Toshinari Yamasaki, Yoshiyuki Matsui, Takahiro Inoue, Tomomi Kamba, Osamu Ogawa
We retrospectively reviewed the indications and outcomes of ileal-ureter substitution cases for complex ureteral reconstruction. We analyzed the patient clinical characteristics, outcomes, and complications of eight patients who had ileal ureter substitution surgery at Kyoto University Hospital between 2009 and 2016. The median patient age was 55.5 years (36-79), and the median follow up period was 25.5 months (7-85). Seven patients had unilateral ureteral obstruction (right:left=4:3), and one had bilateral ureteral obstruction...
March 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29681815/the-use-of-a-metal-stent-in-the-treatment-of-ureteral-stricture-in-a-patient-who-had-undergone-radical-cystectomy-with-the-creation-of-an-ileal-conduit
#7
Taku Mochizuki, Takashi Kawahara, Genta Iwamoto, Shinnosuke Kuroda, Masahiro Yao, Hiroji Uemura
Approximately 9.2% of patients who undergo radical cystectomy are reported to develop ureteral stricture as a result of both benign and malignant conditions. A metallic stent is a continuous, unfenestrated all-metal double-pigtail ureteric stent with no end or side holes. The patient was a 74-year-old man who underwent radial cystectomy with the creation of an ileal conduit due to advanced bladder cancer 7 years previously. Although he had no radiographic recurrence, he developed bilateral hydronephrosis. We herein report the first case of a patient with ureteral stricture after radial cystectomy with the creation of an ileal conduit who was successfully treated by the insertion of a metal stent by a combined antegrade and retrograde approach...
January 2018: Case Reports in Oncology
https://www.readbyqxmd.com/read/29664839/a-population-based-assessment-of-urologic-procedures-and-operations-after-surgery-or-pelvic-radiation-for-cervical-cancer
#8
Blayne Welk, Christopher Wallis, David DʼSouza, Jacob McGee, Robert K Nam
OBJECTIVE: The treatment of cervical cancer can result in genitourinary morbidity. We measured selected urologic procedures after the treatment of cervical cancer with either surgery or radiation. METHODS: We used administrative data from the province of Ontario Canada to identify adult women who had nonmetastatic cervical cancer and were treated with surgery or radiation between 1994 and 2014. Study outcomes were surgical or procedure codes representing ureteric repair or fistula repair...
April 16, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29662959/quarter-century-management-of-chronic-ureteropelvic-junction-obstruction-in-a-solitary-kidney-with-a-ureteral-stent
#9
Garen Abedi, Roshan M Patel, Cyrus Lin, Ralph V Clayman
Background: The ureteral stent provides a conduit for urinary drainage from the kidney to the bladder and is integral to contemporary urologic practice. A ureteral stent is often utilized in acute conditions to prevent or overcome obstruction; however, in nonsurgical patients, because of disease or preference, a ureteral stent may be used as a last resort for long-term management of a stricture in lieu of a nephrostomy tube. This case highlights a patient whose chronic ureteral obstruction has been managed with an indwelling ureteral stent for 25 years; remarkably, stent exchanges are currently required only every 2 years...
2018: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29629893/management-of-non-vascular-complications-following-renal-transplantation-using-percutaneous-approach
#10
Ismail Okan Yildirim, Bayram Berktas, Semih Saglik, Turgut Piskin, Murat Dogan, Idris Sahin, Hülya Taskapan, Kaya Sarac
OBJECTIVE: Non-vascular complications following renal transplantation can cause graft failure. In this study, we present our two-year experience with percutaneous treatment for non-vascular complications following renal transplantation. PATIENTS AND METHODS: A total of 30 patients who underwent percutaneous radiological treatment between March 2014 and July 2016 were included in the study. RESULTS: Following renal transplantation, a total of 36 percutaneous radiological procedures which includes hydronephrosis secondary to ureteral stricture (n...
2018: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29621961/antegrade-balloon-dilatation-as-a-treatment-option-for-posttransplant-ureteral-strictures-case-series-of-50-patients
#11
Liselotte S S Ooms, Adriaan Moelker, Joke I Roodnat, Jan N M Ijzermans, Mirza M Idu, Turkan Terkivatan
OBJECTIVES: The aim of this study was to investigate the effects of antegrade balloon dilatation on ureteral strictures that developed after kidney transplant. MATERIALS AND METHODS: The hospital databases of the Erasmus Medical Center (Rotterdam, The Netherlands) and the Academic Medical Center (Amsterdam, The Netherlands) were retrospectively screened for patients who underwent balloon dilatation after kidney transplant. Balloon dilatation was technically successful whenever it was able to pass the strictured segment with the guidewire followed by balloon inflation; the procedure was clinically successful if no further interventions (for example, surgical revision of the ureteroneocystostomy or prolonged double J placement) were necessary...
April 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29616460/the-memokath-051-stent-for-the-treatment-of-ureteric-obstruction-a-nice-medical-technology-guidance
#12
REVIEW
Emily Eaton Turner, Michelle Jenks, Rachael McCool, Chris Marshall, Liesl Millar, Hannah Wood, Alison Peel, Joyce Craig, Andrew J Sims
Memokath-051 is a thermo-expandable, nickel-titanium alloy spiral stent used to treat ureteric obstruction resulting from malignant or benign strictures. The National Institute for Health and Care Excellence (NICE) selected Memokath-051 for evaluation. The company, PNN Medical, claimed Memokath-051 has clinical superiority and cost savings compared with double-J stents. It identified five studies reporting clinical evidence on Memokath-051 and constructed a de novo cost model comparing Memokath-051 to double-J stents...
April 3, 2018: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/29614503/challenges-of-retrograde-ureteroscopy-in-patients-with-urinary-diversion-outcomes-and-lessons-learnt-from-a-systematic-review-of-literature
#13
Meghana N Ramachandra, Bhaskar K Somani
INTRODUCTION: Retrograde ureteroscopy (URS) can be safely and successfully performed in patients who have had previous urinary diversion (UD). With broadening indications and advances in technology, URS can be used in complex cases. In this review article, we have summarized the relevant published literature regarding the outcomes and challenges encountered during retrograde URS in patients with UD. MATERIALS AND METHODS: We conducted a systematic review of literature according to Cochrane and preferred reporting items for systematic reviews and meta-analysis guidelines for all studies reporting on retrograde URS from inception to September 2017...
April 3, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29595043/minimally-invasive-approach-for-the-management-of-urological-complications-after-renal-transplantation-single-center-experience
#14
Orkunt Özkaptan, Cuneyd Sevinc, Muhsin Balaban, Tahir Karadeniz
BACKROUND: The aim of the study was to characterise urological complications after renal transplantation and to evaluate the role of minimally invasive management for urological complications. METHODS: A total of 920 kidney transplantations were performed between 2008 and 2015. All patients were followed up for at least 1 year after transplantation. Complications regarded as urological were urinary leakage, ureteral stricture, urinary malignancy, bladder outlet obstruction (BOO) and urinary calculi...
March 28, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/29572617/robotic-autotransplantation-and-management-of-post-transplant-anastomotic-strictures-the-future-is-here
#15
REVIEW
Tad Kroczak, Luke F Reynolds, Michael Ordon
PURPOSE OF REVIEW: We set out to review the current published experience with robotic autotransplantation. Although the experience to date is limited, this surgery appears to be safe and technically feasible. We also examined the use of the robotic surgical platform for the management of post-transplant uretero-vesical anastomotic strictures. RECENT FINDINGS: To date, only four reported cases of robotic autotransplantation have been described with two being performed completely intra-corporeally...
March 23, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29546601/management-of-urinary-tract-fistulas-using-reversible-balloon-nephrostomy-a-single-center-retrospective-analysis-of-56-patients
#16
Jérôme Gas, François-Xavier Nouhaud, Mathieu Roumiguié, Séverine Lagarde, Marie-Charlotte Delchier, Éric Huyghe, Michel Soulié, Xavier Gamé, Jean-Baptiste Beauval
PURPOSE: To evaluate the effectiveness of balloon nephrostomy (BN) for treating urinary tract fistulas. MATERIALS AND METHODS: In a single-center retrospective analysis, 56 patients were treated using BN between 2003 and 2014. All causes of urinary tract fistula were included. We assessed the effectiveness of drainage, complications, and the types of reconstruction surgery used. Success was defined as fistula closure without surgery. RESULTS: The cohort consisted of 25 males (54%) and 31 females (55%) with a median age of 63 years who underwent BN for a urinary fistula secondary to surgery, i...
March 15, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29546471/updates-on-robotic-intracorporeal-urinary-diversions
#17
REVIEW
Shawn Dason, Alvin C Goh
PURPOSE OF REVIEW: More than a century of development has led to contemporary urinary diversion. It is paramount that robotic intracorporeal diversions uphold the principles defined by open surgery. RECENT FINDINGS: In this review, we discuss the fundamental open surgical principles that have led to contemporary techniques of urinary diversion. We then outline the technical aspects of several recently described robotic intracorporeal urinary diversions in the context of these surgical principles...
March 15, 2018: Current Urology Reports
https://www.readbyqxmd.com/read/29524976/fluoroless-ureteroscopy-for-definitive-management-of-distal-ureteral-calculi-randomized-controlled-trial
#18
Ahmed Mohey, Mohamed Alhefnawy, Mostafa Mahmoud, Rabea Gomaa, Tarek Soliman, Shabieb Ahmed, Yasser A Noureldin
INTRODUCTION: To assess the conversion rate during fluoroless-ureteroscopy (URS) and evaluate the feasibility, safety, and efficacy of fluoroless-URS as a definitive management of distal ureteral calculi. MATERIAL AND METHODS: Between May 2013 and August 2015, patients with radio-opaque distal ureteral calculi of ≤ 1 cm in size were randomized to undergo fluoroless-URS or standard URS. Patients with previous ureteral surgery, ureteral kinking, ureteral stricture, single kidney, additional proximal ureteral or renal calculi, uncontrolled coagulopathy, and/or congenital anomalies of the urinary tract were excluded...
February 2018: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29511584/efficacy-of-antegrade-and-retrograde-warm-saline-pyeloperfusion-during-renal-cryoablation-for-ureteral-preservation
#19
Benjamin West, Mohamed Keheila, Jason C Smith, Alexander Erskine, Samuel R Abourbih, Nazih Khater, D Duane Baldwin
Objective: Cryoablation of renal tumors adjacent to the ureter or pelvicalyceal system carries risks for thermal injury of the collecting system. Although cold antegrade perfusion has been described for radiofrequency ablation, warm saline perfusion for renal cryoablation has not been well-characterized. The purpose of this study was to determine the safety and feasibility of antegrade and retrograde warm saline perfusions during percutaneous renal cryoablation. Material and methods: A retrospective review was performed on 136 patients treated with percutaneous renal cryoablation at a single academic institution between 2009 and 2015...
March 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29504861/outcome-of-ureteral-stent-placement-for-treatment-of-benign-ureteral-obstruction-in-dogs-44-cases-2010-2013
#20
Philippa R Pavia, Allyson C Berent, Chick W Weisse, Dana Neiman, Kenneth Lamb, Demetrius Bagley
OBJECTIVE To describe the technique and short- and long-term outcomes for dogs undergoing double-pigtail ureteral stent placement for treatment of benign ureteral obstruction. DESIGN Retrospective case series. ANIMALS 44 dogs (57 ureters). PROCEDURES Medical records of dogs that underwent ureteral stenting for treatment of benign ureteral obstruction between 2010 and 2013 were reviewed. Signal-ment, history, pertinent diagnostic imaging results, endourologic and post-procedural details, duration of hospitalization, complications, and outcome (short term, 7 to 30 days; long term, > 30 days) were recorded...
March 15, 2018: Journal of the American Veterinary Medical Association
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