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目的 评价超声动态检测先天性心脏病 (CHD)新生儿肺动脉压 (PAP)变化的意义。方法 应用彩色多普勒超声对 116例新生儿 ,利用三尖瓣返流压差法测定 PAP,并观察一周内变化 ,将所测值进行统计学分析。结果 新生儿肺动脉压除与所患心脏病类型有关外 ,亦与患儿呼吸功能有密切关系。有无呼吸功能障碍的 PAP测值组间差异显著 (P<0 .0 1)。结论 超声心动图动态监测新生儿 PAP变化可区分原发性或继发性肺动脉高压 ,为临床疾病诊断 ,复苏救治 ,疗效观察及预后分析提供宝贵资料 ,具重要临床价值
Objective To evaluate the significance of dynamic changes of pulmonary artery pressure (PAP) in neonates with congenital heart disease (CHD) detected by ultrasound. Methods Using color Doppler ultrasound in 116 newborns, PAP was measured by tricuspid regurgitation pressure difference method and observed within one week. The measured values were statistically analyzed. Results Pulmonary arterial hypertension in newborns with the type of heart disease, but also with the respiratory function in children are closely related. There was a significant difference between PAP measures of respiratory dysfunction (P <0.01). Conclusion The echocardiographic dynamic monitoring of PAP changes can distinguish primary or secondary pulmonary hypertension and provide valuable information for the diagnosis, resuscitation, curative effect and prognosis of clinical disease, with important clinical value