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Ureteral stent

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https://www.readbyqxmd.com/read/30101077/ureteral-stent-obstruction-and-stent-s-discomfort-are-not-irreparable-damages
#1
Benoît Vogt
Ureteral stent obstruction is a significant cause of morbidity and mortality from renal failure. Alternative options for decompression include tandem ureteral stents but the amount of material in the bladder may severely impair the quality of life. Following recurrent stent obstruction, a patient was fitted with tandem ureteral stent on both sides with a new nonrefluxing silicone end piece. After this procedure, renal function was improved with normal serum creatinine. The design of the new stent demonstrates the feasibility of the procedure...
September 2018: Urology Case Reports
https://www.readbyqxmd.com/read/30093358/robot-assisted-kidney-autotransplantation-a-minimally-invasive-way-to-salvage-kidneys
#2
Karel Decaestecker, Benjamin Van Parys, Jeroen Van Besien, Nicolas Doumerc, Liesbeth Desender, Caren Randon, Frederic De Ryck, Thomas Tailly, Matthias Beysens, Carl Van Haute, Diederik Ponette, Kathia De Man, Piet Hoebeke, Frank Vermassen
BACKGROUND: Kidney autotransplantation (KAT) is the ultimate way to salvage kidneys with complex renovascular, ureteral, or malignant pathologies that are not amenable to in situ reconstruction. A minimally invasive approach could broaden its adoption. OBJECTIVE: To describe operative technique, perioperative complications, and early functional outcomes of robot-assisted kidney autotransplantation (RAKAT). DESIGN, SETTING, AND PARTICIPANTS: Retrospective review of prospectively collected data regarding consecutive patients undergoing RAKAT between March 2017 and February 2018 at two university hospitals...
August 6, 2018: European Urology Focus
https://www.readbyqxmd.com/read/30089995/robotic-assisted-dual-kidney-transplantation
#3
Sharma Himanshu, M K Ramaprasad, R Vishnu, T A Kishore
Aim: The aim of this study was to report the feasibility of robotic-assisted dual kidney transplantation (DKT) in a marginal donor. Materials and Methods: The case was a 53-year-old male, who with IgA nephropathy underwent a robotic-assisted robotic DKT. Results: The total operating time was 265 min, total console time was 215 min, and anastomotic time was 39 min for both the kidneys, and blood loss was 220 ml. The total drain output was 150 ml on the 1st day...
July 2018: Urology Annals
https://www.readbyqxmd.com/read/30089987/different-managements-of-horseshoe-kidney-stones-any-difference-in-the-outcome
#4
Abdulhakim Al Otay, Osama Sarhan, Hossam S El-Tholoth, Ahmed Alhelaly, Hamad Al Akrash, Mustafa Al Ghanbar, Khaled Al Bedaiwi, Ziad Nakshabandi, Ali Obeid
Purpose: The aim is to assess the outcomes of different approaches for the management of renal stones associated with horseshoe kidneys (HSKs) in our institution over a 12-year period. Methods: A retrospective review of 144 patients with HSKs who presented from 2000 to 2012 was performed. Twenty-eight patients (19.4%) were found to have renal stones. Demographic data were collected; the method of treatment and the outcomes of stone management were reviewed. We excluded patients with non-functioning moieties and associated genitourinary anomalies, and those with incomplete data...
July 2018: Urology Annals
https://www.readbyqxmd.com/read/30089434/investigation-of-a-novel-gradient-degradable-ureteral-stent-in-a-beagle-dog-model
#5
Lu Jin, Lei Yao, Yan Zhou, Guangcheng Dai, Wenfang Zhang, Boxin Xue
Ureteral stents are widely used in the department of urology, while the stent could result in many stent-associated complications, such as encrustation, a forgotten stent and patient discomfort. Thus, we developed a novel gradient degradable ureteral stent, which could degrade gradient in vivo, and assessed its effectiveness of the drainage, degradation and biocompatibility in a beagle dog model. In the present study, the degradation time and cytotoxicity were investigated in vitro. And the beagle dogs were inserted with a degradable stent or a biostable stent, and blood studies, liver function tests, renal function tests, urine studies, X-ray, excretory urograms and computerized tomography were performed at immediately, two weeks, four weeks and six weeks postoperative...
August 8, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/30084759/self-expandable-covered-metallic-stent-uventa-to-treat-a-ureteral-stricture-after-renal-transplant-a-case-report
#6
Omid Sedigh, Maurizio Barale, Mirko Preto, Andrea Bosio, Davide Diena, Laura Rossi, Dorico Righi, Luigi Biancone, Paolo Gontero, Ettore Dalmasso
We present the use of a self-expandable covered metallic stent (UVENTA; TaeWoong Medical, Gyeonggi-do, South Korea) to treat a ureteral stricture after kidney transplant. In this report, we describe the procedure and short-term outcomes of a patient with a recurrent distal stricture who did not respond to percutaneous balloon dilation. We decided to place this temporary stent as an alternative to complex surgery. The aim of the procedure was to get a chronic dilation of the stricture up to 7 mm to stabilize the fibrotic tissue...
August 6, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/30077539/minimally-invasive-management-of-ureteral-distal-strictures-robotic-ureteroneocystostomy-with-a-bilateral-boari-flap
#7
Daniel Sagalovich, Juan Garisto, Riccardo Bertolo, Nitin Yerram, Julien Dagenais, Jaya Sai Chavali, Georges-Pascal Haber, Jihad Kaouk, Robert Stein
OBJECTIVES: to describe robotic ureteroneocystostomy performed by bilateral Boari flap. METHODS: An 82 year-old female with bilateral mid ureteral strictures secondary to uterine cancer treated with radiation was managed with ureteral stenting and bilateral nephrostomy tubes. Nevertheless, patient had severe colic and recurrent urinary tract infections and thus agreed to undergo bilateral robotic ureteral reconstructive surgery. Patient positioning and ports placement were similar to those of robotic prostatectomy...
August 2, 2018: Urology
https://www.readbyqxmd.com/read/30062640/robotic-assisted-laparoscopic-repair-of-rectovesical-fistula-after-hartmann-s-reversal-procedure
#8
R Sotelo, L G Medina, F Z Husain, M Khazaeli, K Nikkhou, G E Cacciamani, H Landsberger, M Winter, A Hernandez, A M Kaiser, I Gill
The case is of a 59-year-old male with history of severe ischemic colitis following emergent intervention for a ruptured infrarenal aortic aneurysm who subsequently underwent left hemicolectomy, partial proctectomy, and Hartmann colostomy. The patient later underwent reversal of the Hartmann colostomy with diverting ileostomy. The surgery was complicated by a right ureteral and posterior bladder injury that resulted in a large rectovesical fistula involving the right hemitrigone and right ureteral orifice. An attempt to repair the rectovesical fistula at an outside facility was unsuccessful...
July 30, 2018: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/30056916/ureteric-stenting-in-kidney-transplant-recipients-gdansk-centre-experience-poland
#9
B Bzoma, J Kostro, A Hellmann, A Chamienia, S Hać, A Dębska-Ślizień, Z Śledziński
BACKGROUND: The role of ureteric stenting in kidney transplant recipients is still debatable. Stenting can reduce the incidence of urine leaks and ureter stenosis, but can be also associated with specific complications, particularly urinary tract infections (UTIs). MATERIAL AND METHODS: To estimate the influence of ureteric stenting on urological complications in kidney transplantation (KTx), we retrospectively analyzed all KTx performed between January 2011 and December 2016 in Gdansk Transplantation Centre, a total of 628 patients...
July 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/30056878/duplicated-ureters-in-transplantation-a-single-center-retrospective-study
#10
A Surowiecka-Pastewka, M Matejak-Górska, M Frączek, M Durlik
BACKGROUND: Kidney transplantation remains the best therapeutic option for chronic renal failure. The objective of the study was to evaluate the impact of ureteral duplication in donor kidneys on transplantation outcome. METHODS: In this study we performed a retrospective analysis of 75 patients who had undergone renal transplantation. The evaluated parameters included frequency of occurrence and risk of reoperation and graftectomy, mortality, as well as dependency of early and long-term graft function on pyelocaliceal system duplication...
July 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/30050505/extraction-of-biofilms-from-ureteral-stents-for-quantification-and-cultivation-dependent-and-independent-analyses
#11
Matthias T Buhmann, Dominik Abt, Stefanie Altenried, Patrick Rupper, Patrick Betschart, Valentin Zumstein, Katharina Maniura-Weber, Qun Ren
Ureteral stenting is a common surgical procedure, which is associated with a high morbidity and economic burden, but the knowledge on the link between biofilms on these stents, morbidity, and the impact of the involved microbiota is still limited. This is partially due to a lack of methods that allow for a controlled extraction of the biofilms from stents. Development of an appropriate in vitro model to assess prevention of biofilm formation by antimicrobial coatings and biomaterials requires a profound understanding of the biofilm composition, including the involved microbiota...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/30043389/the-association-of-encrustation-and-ureteral-stent-indwelling-time-in-urolithiasis-and-kub-grading-system
#12
Ibrahim Guven Kartal, Burhan Baylan, Alper Gok, Azmi Levent Sagnak, Nihat Karakoyunlu, Mehmet Caglar Cakici, Serafettin Kaymak, Osman Raif Karabacak, Hikmet Topaloglu, Hamit Ersoy
PURPOSE: To evaluate the management of prolonged indwelling ureteral stents and the newly developed KUB (kidney, ureter, and bladder) grading system for the classification of encrusted stents in urolithiasis. METHOD: This study involved 69 patients that had indwelling and forgotten ureteral stents for more than 6 months after urolithiasis treatment. They were categorized into 4 groups based on indwelling time and were reviewed retrospectively. Patients whose ureteral stent could not be removed with simple cystoscopy were graded according to stone surface area and the KUB system...
July 24, 2018: Urology Journal
https://www.readbyqxmd.com/read/30038811/retrograde-intrarenal-surgery-using-the-single-use-flexible-ureteroscope-uscope-3022-pusen%C3%A2-evaluation-of-clinical-results
#13
José A Salvadó, Ruben Olivares, José M Cabello, Renato Cabello, Sergio Moreno, Jessica Pfeifer, Cristóbal Román, Alfredo Velasco
Introduction: Reusable endoscopes have some limitations regarding their continued use. To sort out these problems, several disposable devices have appeared on the market. Our objective is to show our clinical results with a new digital flexible single-use ureteroscope. Materials and methods: This study presents a prospective series of patients who underwent endoscopic surgery as treatment for renal stones using the digital disposable endoscope Uscope 3022™. Demographic, procedure and stone information were registered including surgery time, stone-free rate, need of ureteral catheterization and complications, among others...
2018: Central European Journal of Urology
https://www.readbyqxmd.com/read/30038810/office-based-ureteric-stent-removal-is-achievable-improves-clinical-flexibility-and-quality-of-care-whilst-also-keeping-surgeons-close-to-their-patients
#14
Emma Louise Baston, Sophie Wellum, Zosia Bredow, Guy Storey, Anne Palmer, David van Dellen, Ben R Grey
Introduction: Diagnostic pressure on endoscopy suites can result in stent removal not receiving the required priority and unnecessary morbidity for patients. As well as using stents with extraction strings, the introduction of a portable single-use flexible cystoscope for ureteric stent removal (Isiris™), offered an opportunity to negotiate these issues by relocating stent removal to the office/clinic. This study aimed to determine whether such flexibility reduced stent dwell time with the assumption this would improve patient experience and decrease associated complications...
2018: Central European Journal of Urology
https://www.readbyqxmd.com/read/30033070/european-association-of-urology-guidelines-on-renal-transplantation-update-2018
#15
Oscar Rodríguez Faba, Romain Boissier, Klemens Budde, Arnaldo Figueiredo, Claire Fraser Taylor, Vital Hevia, Enrique Lledó García, Heinz Regele, Rhana Hassan Zakri, Jonathon Olsburgh, Alberto Breda
CONTEXT: The European Association of Urology (EAU) panel on renal transplantation (RT) has released an updated version of the RT guidelines. OBJECTIVE: To present the 2018 EAU guidelines on RT. EVIDENCE ACQUISITION: A broad and comprehensive scoping exercise was performed, encompassing all areas of RT guidelines published between January 1, 2007, and May 31, 2016. Databases covered by the search included Medline, Embase, and the Cochrane Libraries...
July 19, 2018: European Urology Focus
https://www.readbyqxmd.com/read/30033067/to-stent-or-not-to-stent-that-is-the-question
#16
Amy Nagle, Jonathon Olsburgh
With the increasing complexity of donor organs, recipients, training, and departmental standardisation, routine ureteric stent placement should be advocated. Transplant centres should consider utilising novel technologies for transplant stent removal for a simpler, cheaper procedure that can be performed in any outpatient department.
July 19, 2018: European Urology Focus
https://www.readbyqxmd.com/read/30030658/combination-of-solifenacin-and-tamsulosin-may-provide-additional-beneficial-effects-for-ureteral-stent-related-symptoms-outcomes-from-a-network-meta-analysis
#17
REVIEW
Zhongyu Jian, Yuntian Chen, Qinyu Liu, Banghua Liao, Tongxin Yang, Hong Li, Kunjie Wang
PURPOSE: To systematically evaluate the different efficacy among generally used drugs for stent-related symptoms (SRS) with the method of network meta-analysis. METHODS: A systematic search was performed in the US National Library of Medicine's life science database (Medline), Embase, the Cochrane Central Register of Controlled Trials, and the Cochrane Database for Systematic Reviews before December 2017. Analysis was performed under multivariate random-effects network model and effects of drugs were ranked with surface under the cumulative ranking (SUCRA) probabilities...
July 20, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/30017605/robot-assisted-laparoscopic-transplant-to-native-ureteroureterostomy-of-an-intraperitoneal-renal-allograft
#18
Belinda Li, Dennis B Liu, Edward M Gong
OBJECTIVE: The objective is to describe our experience with robot-assisted laparoscopic transplant-to-native ureteroureterostomy (UU) in a pediatric patient with an intraperitoneal renal allograft. We have previously demonstrated this technique for an extraperitoneal allograft. METHODS: The patient is a 17-year-old female who had undergone a deceased donor renal transplant at 5 years of age. She developed acute kidney injury and hydronephrosis because of a ureteral stricture that developed after a right ovarian cyst excision...
June 30, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/30006257/endoscopic-management-of-primary-obstructive-megaureter-in-pediatrics
#19
REVIEW
Youssef Teklali, Yohann Robert, Bernard Boillot, Camille Overs, Christian Piolat, Pierre Yves Rabattu
AIMS: The aims of this study were to evaluate the efficacy and safety of endoscopic treatment of primary obstructive megaureter in children, and to assess its long-term outcome. METHODS: Case files of 35 children who had endoscopic treatment of symptomatic primary obstructive megaureter between 2006 and 2016 were retrospectively analyzed. All children had ureterovesical junction dilatation with one or more ureteral dilators, and insertion of a JJ stent. An analysis of the case files and a comparison between pre- and postoperative ultrasound and scintigraphy findings were performed...
June 28, 2018: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/30005731/obstructive-uropathy-and-sepsis-caused-by-an-inguinoscrotal-bladder-hernia-a-case-report
#20
Seena Safavy, Emmanuel Mitsinikos, Bradford Tropea, Allen Chang, Hetal Patel
INTRODUCTION: Inguinoscrotal bladder hernia is a very rare pathology, occurring in up to 4% of all inguinal hernias in the general population. We present a case of an inguinoscrotal bladder hernia causing obstructive uropathy and sepsis. CASE PRESENTATION: A 59-year-old obese man presented with left-sided flank and abdominal pain that radiated to his left groin. On initial clinical examination, there was no evidence of an inguinal hernia. A computed tomography scan revealed a left inguinoscrotal bladder hernia with associated left-sided upper tract urinary obstruction...
June 18, 2018: Permanente Journal
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