论文部分内容阅读
永久性心脏起搏器是治疗症状性心动过缓有效治疗方式,然而多项研究表明,长期右室起搏可导致心力衰竭的发生发展。相关机制可能是右室直接起搏会导致心室收缩失同步,损伤心室收缩功能,从而导致心力衰竭。相关危险因素及预测因素有年龄、基础心脏疾病、糖尿病、QRS波时限、累积心室起搏比例、低左室射血分数及室间隔抖动等。
Permanent pacemakers are effective treatments for symptomatic bradycardia. However, several studies have shown that long-term right ventricular pacing can lead to the development of heart failure. The relevant mechanism may be right ventricular direct pacing can lead to loss of synchronization of ventricular contraction, damage to ventricular systolic function, leading to heart failure. Related risk factors and predictors include age, underlying heart disease, diabetes, QRS wave duration, cumulative ventricular pacing rate, low left ventricular ejection fraction, and ventricular septal jitter.