摘要
目的观察婴幼儿重症肺炎对心功能的影响及Tei指数评价患儿心功能的临床价值。方法应用彩色多普勒超声心动图检测重症肺炎婴幼儿(肺炎组)和正常婴幼儿(对照组)反映左、右心室收缩、舒张功能的各参数,并计算左、右心室Tei指数,并与对照组数据对比分析。结果与对照组比较,肺炎组左心室舒张末内径减小,左心室射血分数及短轴缩短率减小,主动脉瓣血流加速时间缩短,右心室舒张末内径增大,肺动脉瓣血流加速时间缩短,三尖瓣A峰及A/E比值增大;左、右心室Tei指数增大,左、右心室等容舒张时间、左、右心室等容收缩时间延长(P均<0.05)。结论重症肺炎对患儿左、右心功能均有损害,右心室功能损害重于左心室;Tei指数是评价右心功能较敏感、较准确的指标。
Objective To observe the influence of severe pneumonia on the heart function of infant and the clinical significance of evaluating the heart function with Tei index.Methods Forty infants with severe pneumonia（pneumonia group） and 40 normal infants（control group） underwent color Doppler echocardiography,and the heart function of two groups were measured.Tei index of the left and right ventricular were calculated.Then the data of two groups were compared and analyzed.Results In pneumonia group,left ventricular internal diameter at the end of diastole,left ventricular ejection fraction and fractional shortening decreased,and the acceleration time of aortic valve blood flow shortened,and right ventricle end diastolic diameter increased,acceleration time of pulmonary arterial valve blood flow shortened,speed of blood stream at A peak value in tricuspid valve and the A/E ratio in tricuspid valve increased.Tei index increased in both left and right ventricular.The isovolumic contraction time and isovolumic relaxation time of both left ventricular and right ventricular increased.Conclusion The left and right ventricular function damage occur in the infants with severe pneumonia.Damage of the right ventricular function is more serious than that of the left ventricular.Tei index is a sensitive and accurate in evaluating the right ventricular function.
出处
《中国医学影像技术》
CSCD
北大核心
2011年第6期1197-1200,共4页
Chinese Journal of Medical Imaging Technology
