关键词： Cardiac pacing ejection fraction right ventricular apex septum

Mesh ： Bundle of His Cardiac Pacing, Artificial / adverse effects methods Heart Ventricles Humans Randomized Controlled Trials as Topic Stroke Volume Treatment Outcome Ventricular Dysfunction / etiology Ventricular Dysfunction, Left / etiology physiopathology prevention & control Ventricular Function / physiology Ventricular Function, Left / physiology Ventricular Septum

来  源：   DOI：10.1177/0300060518781415   PDF(Pubmed)

Abstract：
Objective Recent studies have demonstrated that right ventricular apical (RVA) pacing has a deleterious impact on left ventricular function, while right ventricular septum (RVS) or His-bundle pacing (HBP) contribute to improvements in cardiac function. A meta-analysis of randomized controlled trials (RCTs) was conducted to compare the mid- and long-term effects of RVS and HB pacing versus RVA pacing on cardiac function. Methods Eligible RCTs were identified by systematically searching the electronic literature databases PubMed®, Cochrane Library, Embase® and Ovid®. Results Seventeen articles ( n = 1290 patients) were included in this meta-analysis, including 14 studies comparing the effects of RVA and RVS pacing on cardiac function and three studies comparing HBP with pacing at other sites. Compared with RVA pacing, RVS or HBP exhibited a higher left ventricular ejection fraction (LVEF) (weighted mean difference 3.28; 95% confidence interval 1.45, 5.12) at the end of follow-up. Conclusions RVS pacing exhibited a higher LVEF after long-term follow-up than RVA pacing. RVS pacing could replace the previously used RVA pacing as a better alternative with improved clinical outcomes. However, there remains a need for larger RCTs to compare the safety and efficacy of RVS with RVA pacing.
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