【摘要】 目的研究CT阻塞指数与血气分析评价急性肺栓塞(APE)严重性的价值。方法接受CTPA和动脉血气分析检查并且无基础心肺疾病的APE患者共59例。利用肺动脉CT阻塞指数评价肺动脉栓子阻塞程度与范围。动脉血气分析包括PaCO2、PaO2、SaO2及P(A-a)O2。严重APE组和非严重APE组患者之间的CT阻塞指数、动脉血气分析指标之间的统计学差异用t检验评价。阻塞指数与动脉血气分析指标之间的相关性使用Spearman相关系数评价。结果严重APE组患者的PaCO2、PaO2及SaO2明显低于非严重APE组患者(P<0.01),而P(A-a)O2明显高于非严重APE患者(P<0.01)。阻塞指数分别与PaCO2、PaO2、SaO2及P(A-a)O2的相关性有统计学意义(P<0.01)。结论综合分析APE患者的肺动脉阻塞指数、血气分析指标有利于评价APE患者的严重性。更多还原

【Abstract】 Objective To study the value of CT obstruction index and arterial blood gas analysis on evaluating the severity of the patients with APE.Methods Fifty-nine patients with APE but no underlying cardiopulmonary disease had undergone CTPA examination and artery blood gas analysis.Pulmonary artery clot load was assessed by the pulmonary artery obstruction index.Atery blood gases included PaCO2,PaO2,SaO2,and P(A-a)O2.T test was used to evaluate the statistical difference of CT obstruction index and the arterial blood gas values between severe and non severe pulmonary embolism.Spearman’s rank correlation coefficients were used to assess the correlation between arterial obstruction index and blood gas values.Results The values of PaCO2,PaO2,and SaO2 were significantly lower and P(A-a)O2 were significantly higher in the severe group than non severe group(P<0.01).Correlations between the obstruction index and PaCO2,PaO2,SaO2,and P(A-a)O2 were statistically different(P<0.01).Conclusion CT obstruction index and arterial blood gas analysis are helpful for evaluating the severity of the patients with APE.更多还原