Vesicoureteral Reflux

Khoury, Antoine E.; Bägli, Darius

doi:10.1016/b978-1-4160-6911-9.00122-5

Cited by 16 publications

(50 citation statements)

References 351 publications

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“…[9] There are active as well as passive mechanisms leading to the unidirectional flow of urine from the ureters to the bladder without functional obstruction. Active mechanisms include active neuromuscular propagation of the urine bolus through the ureter facilitating the antegrade flow of urine.…”

Section: Discussionmentioning

confidence: 99%

Creation of effective antireflux mechanism without creation of submucosal tunnel in surgical correction of vesicoureteric reflux: Myth or reality?-An experimental study

Gupta

Kureel

2014

J Indian Assoc Pediatr Surg

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Objective:To evaluate the possibility of creating an effective antireflux mechanism without the need to create submucosal tunnel in surgical correction of vesicoureteric reflux.Materials and Methods:Ethical clearance was obtained from the institute ethical committee. The prospective experimental study was conducted on fresh postmortem specimens comprising of intact ureter-bladder-urethra of slaughtered lamb. Through perurethral tube, bladder distension revealed intact antireflux mechanism which disappeared following a cephalad slit of ureteric orifice. After intravesical advancement, mobilized ureters were anchored to the hiatus and the exposed detrusor along the proposed submucosal tunnel after stripping the bladder mucosa. Limited nonobstructed narrowing of the advanced ureteric ends was fashioned. After closure, bladder was distended and reflux was observed through proximal transected ureteric orifices with check cystogram. In second part of experiment, in a rectal reservoir, two intestinal segments as dilated ureters were implanted without creating submucosal tunnel, but anchoring the intrarectal segment to exposed submucosa. Intraluminal end of one segment was narrowed, while other left as such. Reservoir distension test was done to notice the status of reflux. In 24 months, 12 experiments were conducted.Results:In first part of experiment, successful antireflux mechanism was created in 11 ureters. In second part of experiment, reflux persisted in the ureteral segment implanted with obliquity but without distal nonobstructed narrowing, while there was no reflux in the ureteral segment with both obliquity and narrowing.Conclusion:Advancement and anchoring of the ureteral segment to the exposed detrusor with creation of nonobstructive and limited narrowing can create effective antireflux mechanism without the need to create submucosal tunnel.

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Section: Discussionmentioning

confidence: 99%

Creation of effective antireflux mechanism without creation of submucosal tunnel in surgical correction of vesicoureteric reflux: Myth or reality?-An experimental study

Gupta

Kureel

2014

J Indian Assoc Pediatr Surg

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“…The use of Dx/Ha injection for vesicoureteral reflux is well established and is currently the preferred agent used in most centers worldwide [7]. Post procedure follow up usually consists of ultrasound and VCUG [8].…”

Section: Discussionmentioning

confidence: 99%

Acute bilateral ureteral obstruction following Dextranomer/hyaluronic acid polymer injection: A case report

Lavi

Tzemah

Mashiah

et al. 2017

PUCR

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A B S T R A C TUreteral obstruction following bulking agent injection for treatment of vesicoureteral reflux is rare. Herein we report a case of acute bilateral ureteral obstruction following bilateral Dextranomer/hyaluronic acid polymer injection. The obstruction which manifested hours following the injection, was treated with prompt insertion of bilateral ureteral stents. The stents were removed 4 weeks later with complete resolution of the obstruction. We believe that ureteral stenting is an excellent solution for acute ureteral obstruction following Dextranomer/hyaluronic acid polymer injection.

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“…Vesicoureteral reflux (VUR) can be defined in a simplistic way as a retrograde flow of urine from the bladder to the upper urinary tract, affecting approximately 30% for children with urinary tract infection (UTI) and 17% without infection (1). However, when including only children that presented with UTI in the first year of life, this percentage now represents up to 70% (2).…”

Section: Introductionmentioning

confidence: 99%

Primary Vesicoureteral reflux and chronic kidney disease in pediatric population. What we have learnt?

2020

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Vesicoureteral Reflux

Cited by 16 publications

References 351 publications

Creation of effective antireflux mechanism without creation of submucosal tunnel in surgical correction of vesicoureteric reflux: Myth or reality?-An experimental study

Creation of effective antireflux mechanism without creation of submucosal tunnel in surgical correction of vesicoureteric reflux: Myth or reality?-An experimental study

Acute bilateral ureteral obstruction following Dextranomer/hyaluronic acid polymer injection: A case report

Primary Vesicoureteral reflux and chronic kidney disease in pediatric population. What we have learnt?

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