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megaureter

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7 papers 0 to 25 followers
https://www.readbyqxmd.com/read/27492776/primary-non-refluxive-megaureter-in-children-single-center-experience-and-follow-up-of-212-patients
#1
P Rubenwolf, J Herrmann-Nuber, M Schreckenberger, R Stein, R Beetz
PURPOSE: Primary non-refluxing megaureter (pMU) is a multifaceted and challenging congenital pathology of the urinary tract. We report our 23-year experience with this anomaly in terms of presentation, diagnostic work-up and management. MATERIALS AND METHODS: We retrospectively reviewed the medical records of 212 children diagnosed with pMU between 1986 and 2009 at our institution. Mean follow-up was 45.17 (0-192) months. RESULTS: Of the total, 168 (79 %) children presented with upper urinary tract dilation on perinatal ultrasound screening...
November 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/28476680/an-inguinal-approach-to-complex-extravesical-ureteral-reimplantation
#2
Adam S Howe, Lane S Palmer
OBJECTIVE: To report our experience in applying the Lich-Gregoir extravesical ureteral reimplantation (EVR) approach to complex cases (megaureter, duplex systems) through a small inguinal incision, with the goal of minimizing invasiveness. MATERIALS AND METHODS: We reviewed the records of all patients who underwent common sheath or tapered EVR through an inguinal incision. Patient characteristics and reflux grade were obtained, and outcomes were assessed. The technique involved a 2-cm incision made in the lowest inguinal skin crease, standard cord exposure and lateral retraction, and opening the floor of the canal to isolate the ureter...
August 2017: Urology
https://www.readbyqxmd.com/read/28479766/novel-technique-of-laparoscopic-extravesical-ureteric-reimplantation-in-primary-obstructive-megaureter
#3
Altaf Khan, Mujeebu Rahiman, Ashish Verma, Rahul Bhargava
OBJECTIVE: This study aims to demonstrate a novel laparoscopic technique of tapering megaureter without disrupting the blood supply and disconnecting the ureter. MATERIALS AND METHODS: Eight cases of primary obstructive megaureter in the age group of 14-22 years underwent laparoscopic extravesical ureteric reimplantation between August 2011 and July 2015 using our novel technique. Five patients had obstruction on left side and three on right side. Follow-up ultrasonography at 1 month and 3 months, voiding cystourethrogram (VCUG) at 3 months and intravenous urogram (IVU) at 6 months was obtained to assess the development of reflux and to look for adequate drainage of the obstructive ureter...
April 2017: Urology Annals
https://www.readbyqxmd.com/read/27836442/intravesical-ureteric-reimplantation-for-primary-obstructed-megaureter-in-infants-under-1-year-of-age
#4
Emily Jude, Aniruddh Deshpande, Andrew Barker, Japinder Khosa, Naeem Samnakay
PURPOSE: This study aimed to assess the outcome of intravesical ureteric reimplantation for primary obstructed megaureter (POM) performed in infants under 1 year of age. MATERIALS AND METHODS: A retrospective cohort study was carried out of all infants undergoing intravesical ureteric reimplantation surgery for POM at two pediatric centers in the 12 years between 2003 and 2014. Outcomes were compared with those of children aged over 1 year undergoing intravesical reimplantation for POM during this period...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27639714/precise-characterization-and-3-dimensional-reconstruction-of-the-autonomic-nerve-distribution-of-the-human-ureter
#5
Simone L Vernez, Zhamshid Okhunov, Jamie Wikenheiser, Cyrus Khoyilar, Rahul Dutta, Kathryn Osann, Kamaljot Kaler, Thomas K Lee, Ralph V Clayman, Jaime Landman
PURPOSE: We sought to characterize and 3-dimensionally reconstruct the distribution of the autonomic innervation of the human ureter. MATERIALS AND METHODS: Three male and 3 female pairs of ureters were evaluated at 2 mm serial transverse sections along the entire length of the ureter. The location of nerve tissue was immunohistochemically identified using the neuronal marker, S100 protein. ImageJ software was used to calculate nerve count and density in the adventitia and smooth muscle...
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/27349149/isolated-low-initial-differential-renal-function-in-patients-with-primary-non-refluxing-megaureter-should-not-be-considered-an-indication-for-early-surgery-a-multicentric-study
#6
MULTICENTER STUDY
Marcel Drlík, Hana Flogelová, Kubát Martin, Tomášek Jan, Zerhau Pavel, Šmakal Oldřich, Novák Ivo, Komarc Martin, Kočvara Radim
INTRODUCTION: Low initial differential renal function (DRF) in patients with primary non-refluxing megaureter (PNRM) is considered an indication for surgery as are an increase of dilatation and symptoms. OBJECTIVE: We hypothesized that low DRF is not necessarily a result of obstruction, but may be due to impaired development of the upper urinary tract. Thus, in the absence of symptoms, there is a low risk for further loss of renal function. This study aimed to assess whether initially low DRF is a reliable indicator of obstruction...
August 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/24206785/british-association-of-paediatric-urologists-consensus-statement-on-the-management-of-the-primary-obstructive-megaureter
#7
Marie-Klaire Farrugia, Rowena Hitchcock, Anna Radford, Tariq Burki, Andrew Robb, Feilim Murphy
INTRODUCTION: It is well-known that the majority of congenital megaureters may be managed conservatively, but the indications and surgical options in patients requiring intervention are less well defined. Hence this topic was selected for discussion at the 2012 consensus meeting of the British Association of Paediatric Urologists (BAPU). Our aim was to establish current UK practice and derive a consensus management strategy. METHODS: An evidence-based literature review on a predefined set of questions on the management of the primary congenital megaureter was presented to a panel of 56 Consultant Surgeon members of the British Association of Paediatric Urologists (BAPU), and current opinion and practice established...
February 2014: Journal of Pediatric Urology
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