urethral valve

urethral valve

n.
Any of various folds in the mucous membrane of the urethra.
References in periodicals archive ?
Congenital diverticula may develop due to an anterior urethral valve or urethral duplication and can cause serious problems in the upper urinary tract starting from the intrauterine period similar to the posterior urethral valve (1,2).
Significance of age-specific creatinine levels at presentation in posterior urethral valve patients.
Dr Ademola, a consultant paediatric nephrologist, University College Hospital (UCH), Ibadan, Oyo State, said continual dribbling of urine or even a weak stream during urination in boys could suggest that they were not urinating properly and that is the symptom of a condition medically termed posterior urethral valve.
All cases with a secondary cause of hydronephrosis like posterior urethral valve (PUV), pelvicureteric junction obstruction (PUJ), and vesico-ureteric reflux (VUR), were referred to a pediatric urologist.
P Arul Kumaran, aged 11, suffered from posterior urethral valve, while nine-year-old Mithun was diagnosed with congenitally mal developed kidneys and high blood pressure.
In the present study, the long term follow up in patients of posterior urethral valve coming to the department with special reference to urodynamic studies to evaluate the outcome of treatment was evaluated.
Another patient with posterior urethral valve fulgurated at childhood had dysplastic kidneys and renal scarring confirmed on renal ultrasound and DMSA renal scan.
The causes were physiological/ transient in 44 PUJ obstruction 11 primary vesicouretric reflux 5 and posterior urethral valve 4 cases.Of 5 patients having primary vesicouretric reflux 3 had grade III and 2 grade IV reflux.Definitive surgery was performed in 15 cases Out of these; 11 patients under went open pyeloplasty in mean time of 6 months and 4 patients with posterior urethral valves initially underwent vesicostomy on 14th day and later posterior valve fulguration at 18 months.
The etiology of hydroureteronephrosis was neurogenic bladder secondary to meningomyelocele in five patients, a posterior urethral valve (PUV) in four patients, an obstructive megaureter in three patients and ectopic obstructive ureterocele in two patients.
Posterior urethral valve (45%) and nephrolithiasis (35%) were commonest causes.
When the group with increased bladder wall thickness an unstable detrusor contractions on urodynamic examination was evaluated according to causes, an anatomical cause was found in five patients including posterior urethral valve or anterior urethral stricture.
Andrea was 15 weeks pregnant when Ben was diagnosed with posterior urethral valve, or PUV, which affects about one in 8,000 people.