卡维地洛与美托洛尔治疗扩张性心肌病的疗效观察
张福全;金培印;赵慧艳;
摘要(Abstract):
目的比较卡维地洛和美托洛尔对扩张型心肌病患者(DCM)的疗效和安全性。方法采用随机对照研究将80例DCM伴心力衰竭患者随机分为美托洛尔组(38例)和卡维地洛组(42例)。两组均给予利尿、ACEI、洋地黄及硝酸盐制剂等常规抗心力衰竭治疗。卡维地洛组在常规治疗的基础上加用卡维地洛片口服,起始剂量3.125mg,2次/d,如耐受良好,1周后增至6.25mg,2次/d,以后每2周加量1倍,渐至最大耐受量,目标剂量25mg,2次/d;美托洛尔组:在常规治疗的基础上加用酒石酸美托洛尔片,剂量从6.25mg,2次/d,每2周倍增1倍,目标剂量50mg,2次/d。两组疗程均为6个月。治疗前后分别检测左室射血分数(LVEF)、左室舒张末内径(LVDD)、BNP和6 min步行距离。结果治疗前两组患者的LVEF、LVDD、BNP和6 min步行距离等指标相比差异均无统计学意义(P均>0.05)。治疗6个月后,卡维地洛组的总有效率显著高于对照组(χ2=3.9699,P<0.05),两组患者的LVEF、LVDD、BNP和6 min步行距离等指标比治疗前显著改善(P均<0.01),而卡维地洛组改善更加显著(P均<0.01)。两组的不良反应发生率无显著差异(χ2=2.5415,P>0.05)。结论 在扩张型心肌病患者中长期坚持服用卡维地洛比服用美托洛尔能更有效改善左室功能,降低BNP的浓度,提高运动耐量,改善预后。
关键词(KeyWords): 卡维地洛;扩张性心肌病;心力衰竭;B型利钠肽;运动耐量
基金项目(Foundation):
作者(Author): 张福全;金培印;赵慧艳;
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参考文献(References):
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