CT阻塞指数对急性肺栓塞严重性的评价  

CT Obstruction Index for the Assessment of Severity in Patients with Acute Pulmonary Embolism

作　　者：韩雪[1] 肖喜刚[1] 李安源[1] 王鸿振[1] 

机构地区：[1]哈尔滨医科大学附属第一医院CT室,黑龙江哈尔滨150001

出　　处：《医学临床研究》2010年第12期2185-2187,共3页Journal of Clinical Research

基　　金：黑龙江省教育厅科学技术研究项目（编号：11521174）

摘　　要：【目的】研究CT阻塞指数评价急性肺栓塞（APE）严重性的价值。【方法】根据APE患者的临床表现，把45例APE患者分为两组：严重APE组（14例）和非严重APE组（31例）。在CT肺血管造影上，根据肺动脉内栓子阻塞部位和程度计算CT阻塞指数（Az值）。使用U检验法评价严重APE组和非严重APE组之间的CT阻塞指数的差异；使用ROC曲线分析CT阻塞指数诊断APE严重性的准确度。【结果】严重APE组的CT阻塞指数（中位数45％）高于非严重APE组的CT阻塞指数（中位数25％）（P〈0．01）。阻塞指数的Az值〉0．5。【结论】在CT上测量阻塞指数可以定量评价APE患者的严重性。[Objective]To study the value of CT obstruction index in evaluating the severity of the patients with acute pulmonary embolism （APE）. [Methods] According to clinical findings in the patients with APE, they were divided into severe APE group（ n =14） and non severe APE group（ n=31）. CT obstruction index was calculated according to the location and degree of clots in the pulmonary arteries. U-test was used to evaluate the difference of CT obstructive index between two groups. ROC curve was used to analyze the accuracy of CT obstructive index for evaluating the severity of APE. [Results] CT obstruction index （median, 45%） in severe APE group was higher than that （median, 25%） in non-severe APE group（ P〈0.01）. Az value of obstructive index was significantly higher than 0.5. [Conclusion] CT obstruction index can evaluate the severity of APE patients.

关 键 词：肺栓塞/放射摄影术 体层摄影术 X线计算机 

分 类 号：R563.5[医药卫生—呼吸系统]