直线PURR对膀胱出口梗阻的定量诊断及分度

QuantitativegradingofbladderoutflowobstructionbylinearPURR

为了定量诊断膀胱出口梗阻，并对其梗阻程度进行分度，对１２０例前列腺增生患者进行压力－流率测定，应用被动尿道阻力关系（ＰＵＲＲ）及Ｓｃｈｆｅｒ列线图对梗阻进行分度，比较治疗前后结果以评价疗效。结果表明０～ＶＩ度患者的百分比分别为６．７％、９．２％、１０．０％、１２．５％、１２．５％、１５．８％及３３．３％，并将梗阻类型分为压迫型与狭窄型，分别占８９．３％（１００／１１２）与１０．７％（１２／１１２）。着重对其方法。

Pressure-flowstudieswereperformedin120casesofBPH.Thepassiveurethralresis-tancerelation(PURR)andtheSchfer'sdiagramwereusedinthequantificationandgradingofblad-deroutflowobstruction(BOO).Theoccurrenceofdegree0-VIobstructionwasobservedin6.7%,9.2%,10.0%,12.5%,12.5%,15.8%,and33.3%respectively.BOOhasbeenof2types,thecompres-sionandtheconstriction,andoccurredin89.3%(100/112)and10.7%(12/112)respectively.Theprinciple,methodandtheclinicalsignificanceofPURRandlinearPURRinBOOwerediscussed.