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作者报告3例左向右分流先心病并发重症心力衰竭,经毛地黄等治疗后反应不良,患儿处于濒死状态,经异丙基肾上腺素0.1～0.2μg/kg/分输注,纠正酸中毒或人工换气等治疗后获满意效果。该制剂具有正性心肌能收缩作用及扩张外周血管减轻后负荷而改善心功能,同时产生变速性作用,因此对伴有心动过缓的心力衰竭特别有用。只要控制适当的输注剂量,即可减少或避免药物所引起不良反应。
The authors report 3 cases of left-to-right shunt congenital heart disease complicated by severe heart failure, the treatment of hair yellow and other adverse reactions, the child is dying state, isoproterenol 0.1 ~ 0.2μg / kg / min infusion, correct acid Poisoning or artificial ventilation after treatment was satisfactory results. The preparation is particularly useful for heart failure associated with bradycardia with positive myocardial contractility and expansion of peripheral vascular relief after load to improve cardiac function while producing variable speed effects. Just control the appropriate infusion dose, you can reduce or avoid adverse drug reactions.