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对２０例健康儿童、２３例心衰病儿检查血浆肾素活性（ＰＲＡ）、血管紧张素Ⅱ（ＡＴⅡ）、醛固酮（ＡＬＤ）、心钠素（ＡＮＦ）。心衰病儿上述四项内分泌素显著高于健康儿童，其升高程度与心衰程度相一致，并分别分析他们与心脏指数（ＣＩ）、主动脉峰值流速（ＰＦＶＡ）、肺动脉峰值流速（ＰＦＶＰ）的关系。通过Ｂａｙｅ判别，Ｙ０＝－１５．９２００＋１２．１５３７ｌｏｇＡＴⅡ＋６．０９９４ｌｏｇＡＮＦ，Ｙ１＝－２７．０６８６＋１５．３５２２ｌｏｇＡＴⅡ＋８．３４６７ＡＮＦ，Ｙ０＞Ｙ１为正常；Ｙ１＞Ｙ０为心衰。
The plasma renin activity (PRA), angiotensin Ⅱ (AT Ⅱ), aldosterone (ALD), and atrial natriuretic peptide (ANF) were measured in 20 healthy children and 23 children with heart failure. The above four endocrine disorders in children with heart failure were significantly higher than those in healthy children, and their elevation was consistent with the degree of heart failure. The levels of cardiac index (CI), aortic peak flow rate (PFVA), pulmonary artery peak flow rate (PFVP) )Relationship. By Bayes discriminant, Y0 = -15.9200 + 12.1537logATⅡ + 6.0994logANF, Y1 = -27.0686 + 15.3522logATⅡ + 8.3467ANF, Y0> Y1 is normal; Y1> Y0 is heart failure.