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目的探讨门静脉流速与内径比值在门静脉高压诊断中的价值。方法随机选取30例肝硬化门静脉高压患者,15例门体分流术后患者,30例慢性肝炎患者;50例正常人,测量门静脉流速v(cm/s)及内径d(mm),计算比值(v/d)对比分析。结果肝硬化门静脉高压组v/d为0.91±0.18;肝硬化门体分流术后组为1.07±0.21;慢肝组为1.25±0.27;正常组为1.65±0.21。肝硬化门静脉高压组v/d比值与其它三组有显著差异(P值<0.05,P值<0.001,P值<0.01),用d及v值比较门脉静脉高压组与其它组部分差异不大。结论v/d比值可作为肝硬化尤其是早期肝硬化门静脉高压的一项诊断标准。可观察门体分流术后疗效。
Objective To investigate the value of portal venous flow rate and internal diameter ratio in the diagnosis of portal hypertension. Methods Thirty patients with cirrhotic portal hypertension were randomly selected. Fifteen patients with portal hypertension and 30 patients with chronic hepatitis were enrolled in the study. Fifty normal subjects were selected to measure portal vein velocity v (cm / s) and inner diameter d (mm) v / d) comparative analysis. Results The v / d of cirrhotic portal hypertension group was 0.91 ± 0.18; the group of liver cirrhosis portosystemic shunt was 1.07 ± 0.21; the chronic liver group was 1.25 ± 0.27; and the normal group was 1.65 ± 0.21. The ratio of v / d in cirrhotic patients with portal hypertension was significantly different from those in the other three groups (P <0.05, P <0.001, P <0.01) Big. Conclusion The v / d ratio can be used as a diagnostic criteria for portal hypertension in cirrhosis, especially in patients with early liver cirrhosis. Observed portosystemic shunt effect.