Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review & Meta-Analysis.

<h4>Background</h4>Enhanced external counterpulsation (EECP) is currently applied for treating coronary artery disease (CAD) patients. However, the mechanism(s) by which EECP ameliorates angina pectoris and long-term left ventricular function remain largely unknown. The aim of this study...

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Main Authors: Xiaoxia Qin, Yanye Deng, Dandong Wu, Lehua Yu, Rongzhong Huang
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2016-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0151822
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author Xiaoxia Qin
Yanye Deng
Dandong Wu
Lehua Yu
Rongzhong Huang
author_facet Xiaoxia Qin
Yanye Deng
Dandong Wu
Lehua Yu
Rongzhong Huang
author_sort Xiaoxia Qin
collection DOAJ
description <h4>Background</h4>Enhanced external counterpulsation (EECP) is currently applied for treating coronary artery disease (CAD) patients. However, the mechanism(s) by which EECP ameliorates angina pectoris and long-term left ventricular function remain largely unknown. The aim of this study will be to assess whether EECP significantly affects myocardial perfusion in CAD patients through a systematic review and meta-analysis of the available literature.<h4>Methods</h4>MEDLINE, EMBASE, and Cochrane CENTRAL databases were searched for prospective studies on CAD patients that underwent EECP and reported myocardial perfusion data pre- and post-EECP. The impact of EECP was assessed based on the weighted mean difference (WMD) in myocardial perfusion from pre-EECP to post-EECP. Statistical heterogeneity was assessed by the I2 index. Publication bias was assessed through visual inspection of the funnel plot as well as Begg's and Egger's testing.<h4>Results</h4>Standard EECP therapy (i.e., 35-36 one-hour sessions within a seven-week period) significantly increased myocardial perfusion in CAD patients (pooled WMD: -0.19, 95% CI: -0.38 to 0.00, p = 0.049). A random effects analysis was applied on account of significant heterogeneity (I2 = 89.1%, p = 0.000). There was no evidence of significant publication bias (Begg's p = 0.091; Egger's p = 0.282).<h4>Conclusions</h4>Standard EECP therapy significantly increases myocardial perfusion in CAD patients. This study's findings support the continued use of standard EECP therapy in CAD patients and provides one putative physiological mechanism to help explain the improvements in angina pectoris and long-term left ventricular function observed in CAD patients after EECP therapy.
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spelling doaj-art-22103ece16414124833ee2e9e1e6ba6c2025-08-20T02:37:46ZengPublic Library of Science (PLoS)PLoS ONE1932-62032016-01-01114e015182210.1371/journal.pone.0151822Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.Xiaoxia QinYanye DengDandong WuLehua YuRongzhong Huang<h4>Background</h4>Enhanced external counterpulsation (EECP) is currently applied for treating coronary artery disease (CAD) patients. However, the mechanism(s) by which EECP ameliorates angina pectoris and long-term left ventricular function remain largely unknown. The aim of this study will be to assess whether EECP significantly affects myocardial perfusion in CAD patients through a systematic review and meta-analysis of the available literature.<h4>Methods</h4>MEDLINE, EMBASE, and Cochrane CENTRAL databases were searched for prospective studies on CAD patients that underwent EECP and reported myocardial perfusion data pre- and post-EECP. The impact of EECP was assessed based on the weighted mean difference (WMD) in myocardial perfusion from pre-EECP to post-EECP. Statistical heterogeneity was assessed by the I2 index. Publication bias was assessed through visual inspection of the funnel plot as well as Begg's and Egger's testing.<h4>Results</h4>Standard EECP therapy (i.e., 35-36 one-hour sessions within a seven-week period) significantly increased myocardial perfusion in CAD patients (pooled WMD: -0.19, 95% CI: -0.38 to 0.00, p = 0.049). A random effects analysis was applied on account of significant heterogeneity (I2 = 89.1%, p = 0.000). There was no evidence of significant publication bias (Begg's p = 0.091; Egger's p = 0.282).<h4>Conclusions</h4>Standard EECP therapy significantly increases myocardial perfusion in CAD patients. This study's findings support the continued use of standard EECP therapy in CAD patients and provides one putative physiological mechanism to help explain the improvements in angina pectoris and long-term left ventricular function observed in CAD patients after EECP therapy.https://doi.org/10.1371/journal.pone.0151822
spellingShingle Xiaoxia Qin
Yanye Deng
Dandong Wu
Lehua Yu
Rongzhong Huang
Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
PLoS ONE
title Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
title_full Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
title_fullStr Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
title_full_unstemmed Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
title_short Does Enhanced External Counterpulsation (EECP) Significantly Affect Myocardial Perfusion?: A Systematic Review &amp; Meta-Analysis.
title_sort does enhanced external counterpulsation eecp significantly affect myocardial perfusion a systematic review amp meta analysis
url https://doi.org/10.1371/journal.pone.0151822
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