逼尿肌活动过度伴收缩功能受损对膀胱排空的影响

Chinese Journal of Urology(2005)

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Abstract
目的探讨逼尿肌活动过度伴收缩功能受损(DHIC)对膀胱排空功能的影响.方法通过压力-流率测定分别对99例DHIC和176例单纯逼尿肌收缩力减弱的患者(对照组)进行评估,对相应资料进行统计学分析.结果DHIC组患者的剩余尿量、最大尿流率(Qmax)、最大尿流率时逼尿肌压(PdetQmax)、膀胱顺应性、膀胱容量(V)分别为(106.40±149.55)ml、(5.91±3.24)ml/s、(44.52±17.78)cm H2O、(26.34±48.16)ml/cm H2O和(228.28±93.36)ml,对照组分别为(228.88±241.71)ml、(4.13±3.10)ml/s、(34.42±20.82)cm H2O、(66.96±97.53)ml/cm H2O和(328.30±123.19)ml,2组比较差异均有统计学意义(P<0.05).有膀胱出口梗阻的DHIC(44例)与有梗阻的单纯逼尿肌收缩力减弱患者(52例)相比,剩余尿量、膀胱顺应性和V的差异有统计学意义(P<0.05).口服黄酮哌酯或舍尼亭出现尿潴留者16例.有上尿路扩张者11例,其中DHIC者8例.结论DHIC的膀胱排空能力高于单纯逼尿肌收缩力减弱者.应谨慎应用抑制逼尿肌收缩的药物.DHIC患者膀胱顺应性较低,应警惕可能发生上尿路损害.
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Key words
bladder voiding function,detrusor hyperactivity,impaired contractile function
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