Abstract
We aimed to investigate the changes in urodynamics and voiding cystourethrogram parameters on pre- and post-untethering surgery in patients aged under 2 years with filum lipoma. Sixty-two patients were enrolled in this study. The changes in urodynamics and voiding cystourethrogram parameters were compared before untethering surgery and 6 months after untethering surgery. These parameters were bladder volume, bladder deformity, vesicoureteral reflux during voiding cystourethrogram, detrusor overactivity, bladder compliance, and post-void residual volume in urodynamics. Bladder volume during voiding cystourethrogram and bladder compliance increased significantly from 89.8 ± 49.5 mL to 114.5 ± 50.5 mL (P = 0.0069) and 10.2 ± 6.2 mL/mmH2 O to 17.0 ± 13.3 mL/mmH2 O (P = 0.0008), respectively, at 6-month follow-up. Six patients required combination management with clean intermittent catheterization at 25.1 ± 8.2 months (14.3 ± 6.5-months follow-up) because of elevated post-void residual volumes. According to voiding cystourethrogram results, bladder function and urodynamics in patients with filum lipoma significantly improved after untethering surgery. Non-invasive assessment based on measurements of post-void residual should be considered as a postoperative follow-up method.
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More From: International journal of urology : official journal of the Japanese Urological Association
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