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报告３８例经强心、利尿、扩管治疗症状无明显改善且并快室率的慢性充血性心力衰竭（ＣＨＦ）患者，加用倍他乐克治疗的临床疗效。结果显示加用倍他乐克后，血浆儿茶酚胺（ＣＡ）由１．３４±０．２６ｎｇ／ｍｌ减至０．６８±０．１４ｎｇ／ｍｌ；肾上腺素（Ｅ）０．７２±０．２４ｎｇ／ｍｌ减至０．４４±０．１３ｎｇ／ｍｌ；去甲肾上腺素（ＮＥ）由０．９４±０．２７ｎｇ／ｍｌ减至０．３５±０．１６ｎｇ／ｍｌ；心率由１０８．８４±１４．７８ｎｇ／ｍｌ减至６９．５４±８．７２次／ｍｉｎ；心功能改善总有效率达９７．４％，且副作用少。提示：凡经强心、利尿、扩管治疗后的ＣＨＦ仍并存快室率，倍他乐克作为抗心衰联合治疗的首选药物，将取得满意效果。
Thirty-eight patients with chronic congestive heart failure (CHF) who were treated with cardiotoc, diuretic, and expanded tube and who had no significant improvement in symptoms and fast room rate were enrolled in the study. The results showed that plasma catecholamine (CA) decreased from 1.34 ± 0.26 ng / ml to 0.68 ± 0.14 ng / ml after addition of betaxole; 0.72 ± 0.24 ng / ml to 0.44 ± 0.13 ng / ml; norepinephrine (NE) from 0.94 ± 0.27 ng / ml to 0.35 ± 0.16 ng / ml; and heart rate from 108.84 ± 14. 78ng / ml reduced to 69.54 ± 8.72 beats / min; the total effective rate of heart function improvement was 97.4% with few side effects. Tip: Where cardiac, diuretic, expanded after the treatment of CHF still co-exist rapid rate, metoprolol as anti-heart failure combined treatment of drug of choice, will achieve satisfactory results.