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QRS波时限对慢性心力衰竭患者的预测价值

QRS complex duration as a prognosis predictor for heart failure patients
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摘要 目的评价慢性充血性心力衰竭患者出现QRS波时限延长的意义。方法回顾性分析2005年1月-2007年8月我院心内科病房住院的慢性充血性心力衰竭患者共97例,收集其心电图及超声心动图资料。结果慢性充血性心力衰竭患者(1)QRS波时限延长与左心房内径无关[(4.55±1.539)cm比(4.50±0.760)cm,P=0.845];(2)与QRS波时限〈120ms组相比,QRS波时限≥120ms组左心室舒张末内径明显增大[(5.83±1.05)cm比(6.73±1.478)cm,P=0.001];(3)QRS波时限与二尖瓣反流情况无明显相关性(P=0.365);(4)QRS波时限与左心室射血分数相关,与QRS波时限〈120ms组相比,QRS波时限≥120ms组左心室射血分数显著降低[(51.0±15.7)%比(39.0±15.7)%,P=0.0001];QRS波时限与NYHA分级具有一定的相关性(P=0.04);(5)QRS波时限与死亡率无明显相关性(P=0.251)。结论心电图作为一种简单、实用、经济的检查手段,有助于识别高危的心力衰竭患者进行进一步评价。 Objective To discuss the significance of QRS prolongation ( ≥ 120 ms) in patients with chronic congestive heart failure. Methods Ninty - seven patients with chronic congestive heart failure in chinese medicine hospital from January 2005 to Augst 2007 were analyzed retrospectively. Results To chronic heart failure patients : ( 1 ) left atrial diameter is independent of QRS duration [ ( 4.55±1. 539 ) cm vs. (4.50±0.760) cm, P = 0. 845 ] ; ( 2 ) prolongation of QRS duration is correlating to left ventricular end - diastolic diameter compared with narrow QRS duration [ ( 5.83±1.05 ) cm vs. ( 6.73±1. 478 ) cm, P = 0.001 ] ; ( 3 ) QRS duration is independent with mitral regurgitation ( P = 0. 365 ) ; (4) prolagation of QRS duration is associated with lower left ventricular ejection fraction compared with normal QRS duration [ (51.0±15.7 )% vs. (39.0±15.7) %, P = 0. 000i ] ; QRS duration has some relationship with NYHA classification relatively( P = 0.04) ; (5) there is no relation between QRS duration and mortality (P = 0. 251 ). Conclusion Electrocardiogram can be a useful predictor for heart failure patients in high risk.
机构地区 莱西市中医医院
出处 《现代保健(医学创新研究)》 2008年第11期18-20,共3页
关键词 心力衰竭 充血性 预后 心电描记术 QRS波时限 Heart failure Congestive Prognosis Electrocardiography QRS duration
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