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红细胞分布宽度与慢性心力衰竭的相关性研究 被引量:11

Correlation between red blood cell distribution width and chronic heart failure
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摘要 目的探讨慢性心力衰竭(CHF)患者红细胞分布宽度(RDW)与心脏收缩功能的关系及相关机制。方法选取2016年9月-2018年5月于山西医科大学附属汾阳医院心血管内科住院的慢性心力衰竭患者136例。依据RDW水平将患者分为低RDW组(<13.2%)、中RDW组(13.2%~<14.5%)和高RDW组(≥14.5%)。比较各组患者无创心脏血流动力指标,比较红细胞膜Na^+-K^+-ATPase、Ca^2+-Mg^2+-ATPase活性。结果高RDW组血红蛋白低于低RDW组(P<0.05),高RDW组Log NT-proBNP水平高于低RDW组(P<0.05)。高RDW组左室射血分数(LVEF)、心输出量(CO)、心指数(CI)、收缩指数、左室每分做功指数及每搏做功指数较中RDW组低(P<0.05),中RDW组较低RDW组低(P<0.05)。高RDW组红细胞膜Na^+-K^+-ATPase和Ca^2+-Mg^2+-ATPase活性较中RDW组低(P<0.05),中RDW组较低RDW组低(P<0.05)。Pearson相关分析显示,CHF患者RDW与LVEF、每搏输出量、CO、CI、最大射血速率、收缩指数、收缩功能指数、左室每搏做功指数、左室做功指数及心功能指数呈负相关(r=-0.355、-0.184、-0.264、-0.276、-0.244、-0.267、-0.221、-0.199、-0.298和-0.316,P<0.05);RDW与红细胞膜Na^+-K^+-ATPase活性、红细胞膜Ca^2+-Mg^2+-ATPase活性均呈负相关(r=-0.822和-0.737,均P<0.05)。结论CHF患者的血流动力学收缩功能参数与RDW呈负相关,红细胞膜Na^+-K^+-ATPase、Ca^2+-Mg^2+-ATPase活性下降可能是其原因之一。 Objective To investigate the relationship between red blood cell distribution width(RDW)and cardiac systolic function in patients with chronic Heart Failure(CHF)and its mechanism.Methods A total of 136 patients with chronic heart failure hospitalized in the department of cardiovascular medicine of Fenyang hospital from September 2016 to May 2018 were divided into three groups:low RDW group(<13.2%,43 cases),middle RDW group(<13.2%to 14.5%,47 cases)and high RDW group(>14.5%,46 cases).The noninvasive cardiac hemodynamic parameters were compared among the three groups,and the activity of Na^+-K^+-ATPase and Ca^2+-Mg^2+-ATPase in erythrocyte membrane were compared.Results Hemoglobin in high RDW group was lower than that in low RDW group(P<0.05),and the level of log NT proBNP in high RDW group was higher than that in low RDW group(P<0.05).The left ventricular ejection fraction(LVEF),cardiac output(CO),cardiac index(CI),systolic index,left ventricular work per minute and work per beat index in the high RDW group were lower than those in the middle RDW group(P<0.05),and those in the middle RDW group were lower than those in the low RDW group(P<0.05).The activity of Na^+-K^+-ATPase and Ca^2+-Mg^2+-ATPase in the high RDW group was lower than that in the middle RDW group(P<0.05),and that in the middle RDW group was lower than that in the low RDW group(P<0.05).Pearson linear correlation analysis showed that RDW in CHF patients was negatively correlated with LVEF(r=-0.3551),SV(r=-0.1841),CO(r=-0.2640),CI(r=-0.2763),AMPC(r=-0.2437),IC(r=-0.2669),HI(r=-0.2213),SW(r=-0.1987),CW(r=-0.2975)and CWI(r=-0.3156)(all P<0.05);RDW was negatively correlated with the activity of Na^+-K^+-ATPase(r=-0.8216)and Ca2^+-Mg2^+-ATPase(r=-0.7366)of erythrocyte membrane(all P<0.05).Conclusions The hemodynamic parameters of CHF patients were negatively correlated with RDW.The decrease of Na^+-K^+-ATPase and Ca^2+-Mg^2+-ATPase activity in erythrocyte membrane may be one of the reason s.
作者 贾凯剑 郭任维 高胜利 李莉 翟晓娟 Kai-jian Jia;Ren-wei Guo;Sheng-li Gao;Li Li;Xiao-juan Zhai(Fenyang Hospital of Shanxi Medical University,Fenyang,Shanxi 032200,China;Fenyang College of Shanxi Medical University,Fenyang,Shanxi 032200,China)
出处 《中国现代医学杂志》 CAS 2019年第24期27-31,共5页 China Journal of Modern Medicine
关键词 心力衰竭 慢性病 心肌收缩 heart failure chronic disease myocardial contraction
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