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Urodynamic performance in boys with Y-type urethral duplication.

Abstract：

PURPOSE:The aim of this study was to elucidate the urodynamic features of patients with Y-type urethral duplication. METHODS:Patients with Y-type urethral duplication were retrospectively analyzed. Clinical presentation, urodynamic findings, surgical methods, and treatment outcomes were reviewed. RESULTS:From 2014 to 2016, six boys were diagnosed with Y-type urethral duplication at our institution. All patients underwent urodynamic testing. Urodynamic testing in patient 1 and 2 revealed detrusor pressure as 100cmH2O and 88cmH2O in the voiding stage, while urinary flow rate were 0ml/s and 2.8ml/s with volume of residual urine as 300ml and 110ml respectively, which consistent with the typical urodynamic of lower urinary tract obstruction. Patient 1, 3, 4 and 6 showed impaired bladder compliance as 7.5ml/H2O, 12ml/H2O, 6ml/H2O and 6ml/H2O respectively. Patient 5 and 6 also showed maximum urethral pressure as 110cmH2O and 125cmH2O with maximum urethral closure pressure as 103cmH2O and 110cmH2O respectively in the resting state. CONCLUSIONS:Y-type urethral duplication is one potential cause of lower urinary tract obstruction, as seen in the abnormal urodynamic findings in our patients. Further studies are needed to elucidate the characteristics of this rare condition and determine optimal surgical management. TYPE OF STUDY:Retrospective case series. LEVEL OF EVIDENCE:Level 4 observational study without controls.

journal_name

J Pediatr Surg

journal_title

Journal of pediatric surgery

authors

Zhang Y,Qu Y,Jiao L,Zhang W,Sun N,Tian J,Li M,Song H

doi

10.1016/j.jpedsurg.2017.06.001

subject

Has Abstract

pub_date

2018-07-01 00:00:00

pages

1326-1329

issue

7

eissn

0022-3468

issn

1531-5037

pii

S0022-3468(17)30351-2

journal_volume

53

pub_type

杂志文章

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