OBJECTIVETo evaluate the role of video-urodynamics (VUD) in the diagnosis of lower urinary tract voiding dysfunction.

METHODSFrom December 2008 to March 2010, 115 patients with lower urinary tract voiding dysfunction were included in our study. All patients underwent VUD studies.

RESULTSNeurogenic bladder was found in 37 patients, including 25 male patients and 12 female patients. Among these patients, 18 patients were detrusor areflexia (DA), 2 patients were overactive bladder (OAB), 10 patients were low compliance bladder with hydronephrosis and 7 patients were detrusor-external sphincter dyssynergia. Non-neurogenic voiding dysfunction was found in 59 patients, including 34 male patients and 25 female patients. Among these patients, bladder outlet obstruction was found in 33 patients, OAB in 4 patients, urethra stricture in 4 patients and sphincterismus in 3 patients. Seven patients receiving augmentation of bladder took second VUD examination, including 4 male patients and 3 female patients. One patient receiving Indiana pouch and one patient receiving ureter reimplantation all took VUD examination. Ten patients had basic normal bladder urethra function from VUD examination, including 6 male patients and 4 female patients.

CONCLUSIONFrom combination of pressure-flow figure and real time image, VUD examination provides precise evidence of diagnosis and treatment for lower urinary tract voiding dysfunction.