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https://www.readbyqxmd.com/read/28530630/-laparoscopic-management-of-ureteroileal-stenosis-long-term-follow-up
#1
Esteban Emiliani, Pavel Gavrilov, Olga Mayordomo, Josep Salvador, Joan Palou, Antonio Rosales, Humberto Villavicencio
OBJECTIVE: To describe the laparoscopic approach for uretero-ileal anastomosis strictures and to analyse our long term series. METHODS: A retrospective review was performed evaluating our series of patients with benign ureteroileal anastomosis strictures treated laparoscopically from 2011 to 2017. Demographics and perioperative data were obtained and analyzed. Complications were described with the Clavien-Dindo classification. The surgical technique was described and a literature review was performed...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530629/-laparoendoscopic-single-site-less-ureteral-reimplantation
#2
Pedro M Cabrera Castillo, Felipe Cáceres Jiménez
OBJECTIVE: To present in detail our surgical technique and to show our initial experience with ureteral reimplantation using the transumbilical LESS approach to treat patients with ureteral stenosis secondary to various diseases and surgical complications. METHODS: We performed 7 ureteral reimplantations from February 2012, using the multichannel Richard- Wolf (KeyPort) platform placed transumbilical by a small 2-2,5 cm transversal incision. We always use a 3.5 mm minilaparoscopy accessory trocar in the right iliac fossa, that is crucial to perform the laparoscopic suturing safely for the patient and in an optimal time...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530627/-laparoscopic-treatment-of-retroperitoneal-fibrosis
#3
Carlos Hernández Fernández, David Subirá Rios, Mercedes Moralejo Gárate, Elena Rodríguez Fernández, Jorge Caño Velasco, Felipe Herranz Amo
Retroperitoneal fibrosis is a disease that may condition a severe involvement of various organs, mainly upper urinary tract, even causing renal insufficiency. It was first described by Albarran in 1905 and it is also known as Ormonds disease. The correct diagnosis includes, in many cases, the performance of one or more tests: CT scan, MRI, renal scan, etc. It is often necessary the insertion of double J catheters on percutaneous nephrostomy tubes with the aim to preserve renal function. Initial treatment is medical, based on corticoids, and , less frequent, immunosuppressive or chemotherapy drugs...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530624/-buccal-mucosa-graft-for-the-treatment-of-long-ureteral-stenosis-bibliographic-review
#4
Gema Del Pozo Jiménez, Ignacio Castillón-Vela, Joaquín Carballido Rodríguez
OBJECTIVE: To perform a literature review on the use of buccal mucosa graft (BMG) in the treatment of extensive ureteral stenosis, according to the criteria of Evidence Based Medicine. METHODS: Pubmed search of published studies with the following keywords: "ureteral stricture treatment", "buccal mucosa graft ureteral treatment" and "buccal mucosa graft ureteroplasty", without time limits, in English and Spanish; 12 articles were identified with a total of 48 cases (46 patients) of BMG use in ureteral repair...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530623/-laparoscopic-boari-flap-ureteral-reimplantation
#5
Ignacio Castilló-Vela, Gema Del Pozo Jiménez, Jorge Turo Antona, David Vázquez Alba, Javier Sáenz Medina, Joaquín Carballido Rodríguez
OBJECTIVES: To report our initial experience with laparoscopic Boari flap ureteral reimplantation and to review the main technical elements in ureteral reconstructive surgery. METHODS: In a 10-year period we performed 23 laparoscopic ureteral reimplantations. Three cases required a Boari flap. Two patients presented ureteral stenosis above the iliac vessels and the third one a urothelial tumor of the pelvic ureter. RESULTS: Two cases were completed laparoscopically; the third one was electively converted to open surgery to avoid prolonged OR time...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530622/-laparoscopic-uretero-ureterostomy-for-iatrogenic-lesions-of-the-distal-ur%C3%A3-ter
#6
Álvaro Juárez Soto, Rubén Campanario Pérez, Rocío Sáiz Marenco, Javier Amores Bermúdez, Manuel Soto Delgado, Jose Miguel Arroyo Maestre, Margarita De Paz Suárez
The most frequent ureteral lesions are iatrogenic, mainly due to gynecologic and urologic procedures. The resolution and repair of these lesions, when they require surgery, is often the performance of ureteroneocystostomy. We describe the technique for the repair of distal ureter lesions that preserves both anatomy and function of the urinary tract (1). The operation consists in dissection and extraction of the distal ureteral stump from its intramural tract to get at least 1 cm of free ureter, percutaneous insertion of a ureteral stent, checking the absence of tension between proximal ureter and distal dissected stump, end to end anastomosis and reinsertion of the distal ureter in the previously dissected bladder muscle layer...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530621/-laparoscopic-ureteral-reimplantation-in-the-treatment-of-urinary-tract-complications-after-renal-transplantation
#7
Juan Soto Villalba, Jesús Rosety Rodríguez, Cristina León Delgado, María José Ledo Cepero, Patricia Parra Serván, José Luis Álvarez-Ossorio Fernández
OBJECTIVES: Laparoscopic ureteral reconstructive surgery is routinely performed , because it demonstrated efficacy and safety profiles similar to open surgery in expert hands. The most frequent surgical complications after transplant are urological, appearing in up to 12,5% of the cases; they can compromise graft function and mortality. The most frequent ones include ureterovesical anastomosis stenosis (2,5-7,5%) and vesicoureteral reflux (0,4-2,2), which present in up to 80% of the cases...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530620/-laparoscopic-ureteral-reimplantation
#8
Iván González Rodríguez, Rodrigo Gil Ugarteburu, Sergio Fernández-Pello Montes, Begoña Díaz Méndez, Rebeca Blanco Fernández, Javier Mosquera Madera
Although the laparoscopic ureteral reimplantation (LUR) has a history of over 20 years, its presence in the literature is relatively sparse, almost always in the form of small case series with low statistical power, which has prevented consistent results. It has proven to be a safe and effective technique, improving the safety profile and perioperative complications compared to open ureteral reimplantation (OUR). The few long-term results suggest a similar success rate between the open and laparoscopic approaches...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530617/-principles-of-urinary-tract-reconstructive-surgery
#9
Juan Gomez Rivas, Jesús Cisneros Ledo
INTRODUCTION: In the last 15 years, the role of laparoscopic surgery has progressively increased to include reconstructive procedures such as pyeloplasty and management of ureteral stricture, in addition to being a field in continuous development, this refers to the improvement of ergonomics, new instruments and new techniques. We present a review on basic features of laparoscopic reconstructive surgery in urology. ACQUISITION OF EVIDENCE: For this review, an exhaustive literature search was performed in PUBMED, MEDILNE, BioMed central and others, with the keywords: reconstructive surgery, urology, laparoscopy...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28528821/robotic-versus-open-pediatric-ureteral-reimplantation
#10
EDITORIAL
Christopher E Bayne, Diana Cardona-Grau, Michael H Hsieh
No abstract text is available yet for this article.
April 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28526933/protection-of-tubular-epithelial-cells-during-renal-injury-via-post-transcriptional-control-of-bmp7
#11
Jiping Sun, Aiping Yin, Fei Zhao, Wenjing Zhang, Jia Lv, Jing Lv
Severe injury of renal tubular epithelial cells may cause acute renal failure, the progression of which results in renal fibrosis, and obstructive nephropathy. Transforming growth factor β 1 and bone morphogenic protein 7 (BMP7) play contradicting roles in and coordinate the process of epithelial-to-mesenchymal transition of renal tubular epithelial cells, but the molecular regulation of BMP7 remains ill-defined. Here, we addressed this question. We found that after induction of unilateral ureteral obstruction (UUO) in mice, the increases in BMP7 mRNA were much more pronounced than BMP7 protein in kidney, suggesting the presence of post-transcriptional control of BMP7...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28525664/near-infrared-fluorescence-with-indocyanine-green-for-diagnostics-in-urology-initial-experience
#12
Andrey O Morozov, Yuri G Alyaev, Leonid M Rapoport, Dmitrii G Tsarichenko, Eugene A Bezrukov, Denis V Butnaru, Eugene S Sirota
INTRODUCTION: Fluorescence imaging with indocyanine green is used in urology for the detection of sentinel lymph nodes and identification of prostate margins in radical prostatectomy for delineation of resection zone and selective clamping of vessels in partial nephrectomy; for identification and evaluation of length of ureteral strictures; for assessment of perfusion and viability of anastomoses during reconstructive stage of cystectomy. Safety of this technique is proven, while its diagnostic value and usefulness is still controversial...
May 16, 2017: Urologia
https://www.readbyqxmd.com/read/28523000/mast-cells-and-mcpt4-chymase-promote-renal-impairment-after-partial-ureteral-obstruction
#13
Maguelonne Pons, Liza Ali, Walid Beghdadi, Luca Danelli, Marianne Alison, Lydia Celia Madjène, Jessica Calvo, Julien Claver, Shamila Vibhushan, Magnus Åbrink, Gunnar Pejler, Marie-Laurence Poli-Mérol, Michel Peuchmaur, Alaa El Ghoneimi, Ulrich Blank
Obstructive nephropathy constitutes a major cause of pediatric renal progressive disease. The mechanisms leading to disease progression are still poorly understood. Kidney fibrotic lesions are reproduced using a model of partial unilateral ureteral obstruction (pUUO) in newborn mice. Based on data showing significant mast cell (MC) infiltration in patients, we investigated the role of MC and murine MCPT4, a MC-released chymase, in pUUO using MC- (W(sh/sh)), MCPT4-deficient (Mcpt4(-/-)), and wild-type (WT) mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28521539/jackets-off-the-impact-of-laser-fiber-stripping-on-power-output-and-stone-degradation
#14
Cayde Ritchie, Patrick Yang, Brandon Peplinski, Mohamed Keheila, Salim Cheriyan, Samuel R Abourbih, Wayne Kelln, D Duane Baldwin
PURPOSE: To investigate the effect of laser fiber stripping on stone fragmentation and laser fiber power output. MATERIALS & METHODS: In a benchtop simulation of laser lithotripsy, 20 BegoStone phantoms were positioned within a ureteral model and irradiated for 10 minutes at 8 Hz and 0.8 J. A freshly cleaved 365 μm laser fiber was used for all trials, with half of the fibers also undergoing stripping. Power output was measured at one-minute intervals, beginning with an initial pre-lithotripsy recording at zero minutes...
May 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28521173/thymoquinone-ameliorates-renal-damage-in-unilateral-ureteral-obstruction-in-rats
#15
Sara Hosseinian, Abolfazl Khajavi Rad, Alireza Ebrahimzadeh Bideskan, Mohammad Soukhtanloo, Hamidreza Sadeghnia, Mohammad Naser Shafei, Fatemeh Motejadded, Reza Mohebbati, Samira Shahraki, Farimah Beheshti
BACKGROUND: It is well established that renin-angiotensin system (RAS) play a central role in pathophysiology of renal damage following unilateral ureteral obstruction (UUO). The present study investigated the effects of thymoquinone and RAS blockade on renal tissue damage and renal expression of angiotensin II after UUO in rats. METHODS: Forty male rats were divided to five groups: Sham-operated group, UUO group and rats with UUO treated with losartan, captopril and thymoquinone...
March 14, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28516069/is-it-necessary-to-perform-nephrostography-before-tube-removal-after-percutaneous-nephrolithotomy
#16
Mehrdad Mohammadi Sichani, Masih Babaeian, Saeid Haghdani, Farshid Alizadeh, Hamid Mazdak, Mazaher Hadi, Mohammadhatef Khorrami
BACKGROUND: The aim of this study is the caparison of the complications rate among the patients which underwent nephrostomy removal with and without performing nephrostography. MATERIALS AND METHODS: Between October 2010 and November 2011, 200 patients who underwent standard percutaneous nephrolithotomy (PCNL) procedures were included in this study. The patients were randomly assigned into two groups, Group A (n = 100) did not undergo the antegrade nephrostography on postoperative day 2 and the patients were discharged keeping the nephrostomy until postoperative day 3, while in Group B (n = 100) the nephrostomy tube was removed on postoperative day 3 after antegrade nephrostography demonstrating ureteral drainage down to the bladder...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28515806/larger-proximal-ureteral-stones-with-severe-pain-rather-than-computed-tomography-defined-ureteral-obstruction-are-associated-with-urological-intervention
#17
Sero Andonian
No abstract text is available yet for this article.
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28515805/is-computed-tomography-defined-obstruction-a-predictor-of-urological-intervention-in-emergency-department-patients-presenting-with-renal-colic
#18
Peter Alexander Massaro, Avinash Kanji, Paul Atkinson, Ryan Pawsey, Tom Whelan
INTRODUCTION: Our objective was to determine whether unilateral calculus-induced ureteric obstruction on computed tomography (CT) was independently associated with the need for urological intervention and 30-day return to the emergency department (ED). METHODS: We performed a retrospective cohort study of patients with symptomatic urinary calculi diagnosed by unenhanced helical CT. Stepwise regression analysis was used to determine the predictors of urological intervention and 30-day return to the ED...
March 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28513528/complete-upper-urinary-tract-obstruction-caused-by-penetrating-pellet-injury-of-the-ureterintroduction
#19
M T Gulpinar, S K Keskin, A Yildirim, T Caskurlu
Ureteral injuries due to gunshots are tend to be misdiagnosed because of concomitant vascular and intraabdominal organ wounds. Our case is a 23-year-old man who was admitted to the hospital with multiple abdominal gunshot wounds. Laboratory findings showed worsening anemia, and the computed tomography (CT) scan showed multiple lead bullets inside the abdomen and retroperitoneum. Patient was then taken to the operation room for laparatomy. There were many intestinal injuries and also a stable retroperitoneal hematoma...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28513524/ureterolithiasis-management-in-an-environment-with-limited-facilities
#20
C A Odoemene, Pcn Okere, M C Ugonabo
BACKGROUND: In the past 2-3 decades, there has been a dramatic development in the techniques of stone removal. This study highlights the management of symptomatic ureteral stones in an environment without such facilities. MATERIALS AND METHODS: Sixty-nine patients, comprising 53 (76.8%) males and 16 (23.2%) females, diagnosed of symptomatic ureteric calculi within the study period in two tertiary health institutions were included in the study. Thorough history taking and physical examinations were performed...
May 2017: Nigerian Journal of Clinical Practice
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