Benefits of intraaortic balloon support for myocardial infarction patients in severe cardiogenic shock undergoing coronary revascularization

Chun Tai Mao, Jian Liang Wang, Dong Yi Chen, Ming Lung Tsai, Yu Sheng Lin, Wen Jin Cherng, Chao Hung Wang, Ming Shien Wen, I. Chang Hsieh, Ming Jui Hung, Chun Chi Chen, Tien Hsing Chen

Research output: Contribution to journalJournal Article peer-review

14 Scopus citations

Abstract

Background: Prior studies have suggested intraaortic balloon pump (IABP) have a neutral effect on acute myocardial infarction (AMI) patients with cardiogenic shock (CS). However, the effects of IABP on patients with severe CS remain unclear. We therefore investigated the benefits of IABP in AMI patients with severe CS undergoing coronary revascularization. Methods and Results: This study identified 14,088 adult patients with AMI and severe CS undergoing coronary revascularization from Taiwan's National Health Insurance Research Database between January 1, 1997 and December 31, 2011, dividing them into the IABP group (n = 7044) and the Nonusers group (n = 7044) after propensity score matching to equalize confounding variables. The primary outcomes included myocardial infarction(MI), cerebrovascular accidents or cardiovascular death. In-hospital events including dialysis, stroke, pneumonia and sepsis were secondary outcomes. Primary outcomes were worse in the IABP group than in the Nonusers group in 1 month (Hazard ratio (HR) = 1.97, 95% confidence interval (CI) = 1.84-2.12). The MI rate was higher in the IABP group (HR = 1.44, 95% CI = 1.16-1.79), and the cardiovascular death was much higher in the IABP group (HR = 2.07, 95% CI = 1.92-2.23). The IABP users had lower incidence of dialysis (8.5% and 9.5%, P = 0.04), stroke (2.6% and 3.8%, P<0.001), pneumonia (13.9% and 16.5%, P<0.001) and sepsis (13.2% and 16%, P<0.001) during hospitalization than Nonusers. Conclusion: The use of IABP in patients with myocardial infarction and severe cardiogenic shock undergoing coronary revascularization did not improve the outcomes of recurrent myocardial infarction and cardiovascular death. However, it did reduce the incidence of dialysis, stroke, pneumonia and sepsis during hospitalization.

Original languageEnglish
Article numbere0160070
JournalPLoS ONE
Volume11
Issue number8
DOIs
StatePublished - 01 08 2016

Bibliographical note

Publisher Copyright:
© 2016 Mao et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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