小儿心力衰竭定量诊断标准的研究

THE RESEARCH OF BLOOD FLOW PARAMETER USED AS QUANTITATIVE DIAGNOSIS OF HEART FAILURE IN CHILDHOOD

用多普勒超声心动图测定２８６名正常儿童和４１例心衰患儿的５８项心脏血流参数，选出主动脉峰值流速（ＰＦＶＡ）、肺动脉峰值流速（ＰＦＶＰ）、二尖瓣Ｅ峰峰值流速（ＰＦＶＭＥ）、三尖瓣Ｅ峰流速（ＰＦＶＴＥ）、心脏指数（ＣＩ）等５项作为心衰定量诊断标准。这５项指标为ＰＦＶＡ：６个月以下＜７３．１ｃｍ／ｓ，６个月～＜８７．１ｃｍ／ｓ，４岁～＜１０１．９ｃｍ／ｓ，１０～１４岁＜１１０ｃｍ／ｓ；ＰＦＶＰ：６个月以下＜６９．２ｃｍ／ｓ，６个月～１４岁＜８２．４ｃｍ／ｓ；ＰＦＶＭＥ：６个月以下＞７８．５或＜５０．１ｃｍ／ｓ，６个月～１４岁＞１０１．６或＜７５．２ｃｍ／ｓ；ＰＦＶＴＥ：６个月以下＞６５．９或＜３７．１ｃｍ／ｓ，６个月～１４岁＞６７．１或＜４３．１ｃｍ／ｓ；ＣＩ＜２．６Ｌ／ｍ~２·ｍｉｎ^（－１）。

Five items of 58 items of blood flow parameter measured by Doppler echocardiography were chosen as quantitative diagnosis of heart failure from the compare of 286 normal children and 41 patients with heart failure. These 5 items were PFVP, PFVA, PFVME, PFVTE, and CI. Heart failure could be diagnosed when PFVA: under 6 months<73.1cm/s, 6 months ～<87.1cm/s, 4 years～<101.9cm/s, 10～14 years<110 cm/s; PFVP: under 6 months<69.2cm/s, 6 months～14 years<82.4cm/s; PFVME: under 6 months>78.5 or<50.1cm/s, 6 months～14 years>101.6 or<75.2cm/s; PFVTE: under 6 months>65.9 or<37.1cm/s, 6 months～14 years>67.1 or<43.1cm/s; CI:<2.6L/m￣2 .min￣(-1).