Objective To investigate the differences of urodynamic parameters in different age group women with stress urinary incontinence .Methods To investigate the differences of urodynamic parameters in different age group women with stress urinary incontinence .Patients less than 50 old years in group A ,pa-tients from 50 to 59 old years in group B ,patients more than 69 old years in group C .The maximum flow rate (Qmax) ,time to peak (TQmax) ,voiding time (VT) ,urine volume (VV) ,postvoid residual volume (PVR) , primary urine volume (FS) ,strong urinary sensitivity (SS) ,abdominal leak point pressure(ALPP) ,maximum urethral closure pressure (MUCP) ,bladder contraction index (BCI) and maximal detrusor pressure (Pdet . Qmax)were all statically analyzed .Results The mean Qmax (P=0 .003) ,PVR (P=0 .041) ,SS (P=0 .032) , Pdet .Qmax (P=0 .026) ,BCI (P=0 .048) ,MUCP(P=0 .039)and BCI (P=0 .048) were significantly differ-ent between the age groups .And there was no significantly differences in VT (P=0 .069) ,VV(P=0 .086) ,FS (P=0 .135) ,ALPP(P=0 .176)between the different age groups .Qmax ,MUCP and Pdet .Qmax decreased and PVR increased significantly with age .Conclusion Older women with SUI also have worsened voiding function with age as the results of urodynamic parameters .The decrease of detrusor contractility and the closure func-tion of the urethral tract are more obvious .%目的 了解不同年龄组女性压力性尿失禁患者尿流动力学各项参数的差异.方法 总结分析2010年9月至2015年3月在该院行尿流动力学检查的215例女性压力性尿失禁患者尿流动力学参数,以年龄小于50岁为A组,50～59岁为B组,>59～69岁为C组,>69岁为D组,总结分析并比较各年龄组尿流动力学参数的差异,包括最大尿流率(Qmax)、达峰时间(TQmax)、排尿时间(VT)、尿量(VV)、残余尿量(PVR)、初次尿感容量(FS)、强烈尿感容量(SS)、腹压漏尿点压力(ALPP)、最大尿道闭合压(MUCP)、膀胱收缩指数(BCI)及Qmax时的逼尿肌压力(Pdet.Qmax)等指标.结果 各年龄组间平均Qmax(P=0.003)、PVR(P=0.041)、SS(P=0.032)、Pdet.Qmax(P=0.026)、BCI(P=0.048)、MUCP(P=0.039)差异均有统计学意义,而VT(P=0.069)、VV(P=0.086)、FS(P=0.135)、ALPP(P=0.176)在各组间差异均无统计学意义.Qmax、Pdet.Qmax、MUCP随年龄增加呈降低趋势,PVR随年龄增加呈上升趋势.结论 年龄越大压力性尿失禁患者排尿功能越差,逼尿肌收缩力和尿道闭合功能随年龄增加而减低.
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