目的 探讨捏提试验在急性阑尾炎诊断中的价值.方法 2008年1月至2010年12月拟诊急性阑尾炎并行阑尾切除术的病人323例,体检时均行捏提试验、Rovsing征及Markle征,分别计算特异性、敏感度及阳性预测值；并比较捏提试验阳性和阴性病人之间阴性阑尾切除率.结果 捏提试验的特异性和敏感度分别为80.9％和75.7％；捏提试验的阳性预测值为95.9％,高于Rovsing征(87.3％)及Markle征(92.0％)；捏提试验阳性病人的阴性阑尾切除率为4.1％,捏提试验阴性病人的阴性阑尾切除率为36.2％,两者比较,差异有统计学意义(x2=43.46,P＜0.05).结论 应用捏提试验能提高急性阑尾炎的诊断率,显著降低阴性阑尾切除率.%Objective To study the application of pinch-an-inch test in the diagnosis of acute appendicitis. Methods We prospectively studied 323 patients with acute appendicitis from Jaa 2008 to Dec. 2010. All patients were subjected to pinch-an-inch test, Rovsing sign and Markle sign. The sensitivity, specificity and positive predictive value were analyzed. The negative appendectomy rate was compared between the pinch-an-inch positive and negative groups. Results The sensitivity and specificity of pinch-an-inch test was 80. 9% and 75. 7%;The positive predictive value of pinch-an-inch was 95. 9 %; There was significant difference in the negative appendectomy rate between the pinch-an-inch positive (4. 1 %) and negative(36. 2 %) groups. Conclusion The application of pinch-an-inch test can improve diagnosis accuracy of acute appendicitis, and reduce the negative appendectomy rate.
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