Abstract
Vesicoureteral reflux (VUR) is a significant risk factor for clinical pyelonephritis and renal scarring. In 2010, the American Urological Association (AUA) reported that bladder and bowel dysfunction (BBD), which is common in patients with VUR, increases the risk of breakthrough UTI in children receiving antibiotic prophylaxis, reduces the success rate for endoscopic injection therapy, and increases the risk of postoperative UTI, irrespective of the surgical success rate for VUR. Accordingly, physicians are strongly recommended to investigate BBD in their patients with VUR. Symptoms and signs of BBD include urinary frequency and urgency, prolonged voiding intervals, daytime wetting, perineal and penile pain, holding manoeuvres (posturing to prevent wetting), constipation, and encopresis. Primary assessment tools include the Pediatric Symptom Checklist, urinalysis, urine culture, bladder diary, measurement of the postvoid residual urine volume, Dysfunctional Voiding Symptom Score, uroflow with electromyography, and Bristol Stool Form Score. The Rome III criteria can also be used for diagnostic assessment of bowel function. Treatment of BBD should be individualized, directed at symptomatic and objective improvement, and can include behavioural modification, biofeedback, selective use of anticholinergics and α-blockers, and bowel management.
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