摘要
目的:观察伊伐布雷定治疗慢性心力衰竭(chronic heart failure,CHF)的临床效果及对血浆脑钠肽(brain natriuretic peptide,BNP)、可溶性人基质裂解素2(soluble suppression of tumorigenicity 2,s ST2)、白介素-6(interleukin-6,IL-6)、肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)水平的影响。方法:选取2016年11月至2017年11月广西医科大学第二附属医院心内科、江苏省常州市第一人民医院心内科收治的60例病情稳定的CHF患者作为观察对象,随机分为对照组和试验组,每组各30例。两组患者均给予常规抗心力衰竭药物治疗,试验组在此基础上加用伊伐布雷定,初始剂量每次2. 5 mg,2次·d~(-1),治疗2~4周后根据心率调整用量,最大剂量至每次7. 5 mg,2次·d~(-1),连续治疗3个月。记录两组患者治疗前后的心率、左心室射血分数(left ventricular ejection fractions,LVEF)、6 min步行距离(6 minute walking distance,6MWD),同时检测血浆BNP、sST2、IL-6、TNF-α水平。结果:与治疗前比较,试验组心率明显降低,LVEF和6MWT显著增加,血浆BNP、s ST2、IL-6、TNF-α水平显著下降,差异均有统计学意义(P <0. 05);对照组上述各指标均有所改善,但与治疗前比差异不明显。与对照组比较,治疗后试验组上述各指标均显著改善(P <0. 05)。试验组发生药物不良反应5例(16. 7%),均不需要停药处理。结论:在常规抗心力衰竭治疗的基础上,部分CHF患者加用伊伐布雷定治疗有助于控制CHF患者静息心率,改善患者心功能,提高运动耐量,明显降低血浆BNP、s ST2、IL-6、TNF-α水平。
引文
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