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  • Title: Effect of biofeedback treatment on spinning top urethra in children with voiding dysfunction.
    Author: Kibar Y, Demir E, Irkilata C, Ors O, Gok F, Dayanc M.
    Journal: Urology; 2007 Oct; 70(4):781-4; discussion 784-5. PubMed ID: 17991555.
    Abstract:
    OBJECTIVES: Spinning top urethra (STU) deformity arises secondary to detrusor instability, leading to an increase in the intravesical pressure against a closed sphincter. We retrospectively analyzed the effect of biofeedback treatment on STU in children with dysfunctional voiding. METHODS: A total of 121 patients with STU and voiding dysfunction were enrolled in this study. The patients divided into two groups. Group 1 (n = 49) were treated with simple bladder retraining with timed voiding, and group 2 (n = 72) were treated with biofeedback therapy. Voiding cystourethrography was performed 6 and 12 month later to determine the status of the STU after both therapies. RESULTS: The patient age range was 5 to 13 years (mean 8.1 +/- 1.9) in group 1 and 5 to 13 years (mean 8.2 +/- 1.7) in group 2. Group 1 consisted of 41 girls and 8 boys; group 2 consisted of 63 girls and 9 boys. Voiding cystourethrography revealed vesicoureteral reflux in 39 and 59 children in groups 1 and 2, respectively. The improvement rates of the biofeedback therapy in children with STU and vesicoureteral reflux were significantly greater than the children treated with timed voiding at 6 months and 1-year of follow-up. CONCLUSIONS: For children admitted to urology clinics with urinary infection or complaints thought to be an unstable urinary bladder, proximal urethral dilation called STU is detected at a high frequency. It should be remembered that this situation can be related to vesicoureteral reflux and urinary bladder instability. Biofeedback training is a simple, effective, and well-tolerated treatment modality for these children.
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