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Timing of initiation of intra-aortic balloon pump in patients with acute myocardial infarction complicated by cardiogenic shock: A meta-analysis.


ABSTRACT: BACKGROUND:For patients with acute myocardial infarction (AMI) complicated by cardiogenic shock (CS) undergoing primary percutaneous coronary intervention (PCI), the optimal timing of the initiation of intra-aortic balloon pump (IABP) therapy remains unclear. Therefore, we performed the first meta-analysis to compare the outcomes of IABP insertion before vs after primary PCI in this population. METHODS:Electronic databases of PubMed, EMBASE, and Cochrane Library were comprehensively searched from inception to April 1, 2019, to identify the eligible studies. The main outcomes were short-term (in-hospital or 30?days) and long-term (??6 months) mortality. In addition, pooled analysis of risk-adjusted data were also performed to control for confounding factors. RESULTS:Seven observational studies and two sub-analysis of randomized controlled trials involving 1348 patients were included. Compared to patients inserted IABP after PCI, patients who received IABP therapy before primary PCI had similar risks of short-term (odds ratio [OR] 0.88, 95% CI 0.49 to 1.59) and long-term (OR 0.99, 95% CI 0.58 to 1.68) all-cause mortality. Moreover, a pooled analysis of risk-adjusted data also found similar effects of the two therapies on short-term (OR 0.65, 95% CI 0.34 to 1.25) and long-term (OR 0.68, 95% CI 0.17 to 2.72) mortality. Besides, no significant difference was found between the two groups with respect to reinfarction, repeat revascularization, stroke, renal failure, and major bleeding. CONCLUSIONS:The timing of the initiation of IABP therapy does not appear to impact short-term and long-term survival in patients with AMI complicated by CS undergoing primary PCI.

SUBMITTER: Cui K 

PROVIDER: S-EPMC6837021 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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Timing of initiation of intra-aortic balloon pump in patients with acute myocardial infarction complicated by cardiogenic shock: A meta-analysis.

Cui Kongyong K   Lyu Shuzheng S   Liu Hong H   Song Xiantao X   Yuan Fei F   Xu Feng F   Zhang Min M   Zhang Mingduo M   Wang Wei W   Zhang Dongfeng D   Tian Jinfan J   Yan Yunfeng Y   Zhou Kuo K   Chen Lingxiao L  

Clinical cardiology 20190911 11


<h4>Background</h4>For patients with acute myocardial infarction (AMI) complicated by cardiogenic shock (CS) undergoing primary percutaneous coronary intervention (PCI), the optimal timing of the initiation of intra-aortic balloon pump (IABP) therapy remains unclear. Therefore, we performed the first meta-analysis to compare the outcomes of IABP insertion before vs after primary PCI in this population.<h4>Methods</h4>Electronic databases of PubMed, EMBASE, and Cochrane Library were comprehensive  ...[more]

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