Zhonghua zheng xing wai ke za zhi = Zhonghua zhengxing waike zazhi = Chinese journal of plastic surgery · 2013
[Functional evaluation of a "two in one" urethroplasty for hypospadias].
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Wang Yong-Qian, Li Sen-Kai, Li Yang-Qun, Li Qiang, Liu Li-Qiang, Xu Jia-Jie
Аннотация
OBJECTIVE: To assess the functional result of a "Two in One" urethroplasty which combined oral mucosa graft and local flap.
METHODS: 17 patients with hypospadias underwent a "Two in One" urethroplasty, which combined buccal mucosa and local flap for urethral reconstruction. Uroflowmetry was performed 1 day before and 1 year after operation. The urine flow rate, voided volume and urine flow curves were detected using a rotating sensor. The results of maximum urine flow rate (Qmax) were expressed as percentiles and compared to the Toguri value from normal children.
RESULTS: Before corrective operation, 12 of 17 patients (70.6%) produced a plateau urine flow curve. 5 patients (29.4%) produced a very low flow curve. The average maximum flow rate was (7.89 +/- 2.29) ml/s per second compared to Toguri values, 12 of 17 patients (70.6%) had a Qmax below the normal 5th percentile. After a "Two in One" urethroplasty, a hell-shaped curve was obtained in 10 patients (58.8%). The maximum flow rate was (11.30 +/- 3.01) mL/s per second. 7 of 17 patients (41.2%) had a Qmax above the normal 25th percentile, 8 patients (47.1%) had a Qmax between the normal 25th percentile and 5th percentile, only 2 patients (11.8%) had a Qmax below the 5th percentile.
CONCLUSIONS: The functional result of the "Two in One" urethroplasty is ideal. The maximum urine flow rate of the patients increases after the operation.
METHODS: 17 patients with hypospadias underwent a "Two in One" urethroplasty, which combined buccal mucosa and local flap for urethral reconstruction. Uroflowmetry was performed 1 day before and 1 year after operation. The urine flow rate, voided volume and urine flow curves were detected using a rotating sensor. The results of maximum urine flow rate (Qmax) were expressed as percentiles and compared to the Toguri value from normal children.
RESULTS: Before corrective operation, 12 of 17 patients (70.6%) produced a plateau urine flow curve. 5 patients (29.4%) produced a very low flow curve. The average maximum flow rate was (7.89 +/- 2.29) ml/s per second compared to Toguri values, 12 of 17 patients (70.6%) had a Qmax below the normal 5th percentile. After a "Two in One" urethroplasty, a hell-shaped curve was obtained in 10 patients (58.8%). The maximum flow rate was (11.30 +/- 3.01) mL/s per second. 7 of 17 patients (41.2%) had a Qmax above the normal 25th percentile, 8 patients (47.1%) had a Qmax between the normal 25th percentile and 5th percentile, only 2 patients (11.8%) had a Qmax below the 5th percentile.
CONCLUSIONS: The functional result of the "Two in One" urethroplasty is ideal. The maximum urine flow rate of the patients increases after the operation.