Delayed post-myocardial infarction invasive measures, helpful or harmful? A subgroup analysis

Chest
Hon-Kan YipChi-Ling Hang

Abstract

In patients who have experienced acute myocardial infarction (MI), primary percutaneous coronary intervention (PCI) has been shown to be of benefit in terms of clinical outcomes. However, the value of performing routine PCI in patients with early MI (ie, an MI occurring > 12 h to < or = 7 days before patient presentation) or recent MI (ie, an MI occurring > or = 8 days to < 30 days before patient presentation) has not been established. The purposes of this prospective observational study were to evaluate the impact of PCI on outcomes, and to delineate the predictors of lack of response to reperfusion and the prognostic determinants in patients with this clinical condition. A total of 377 consecutive unselected patients who had experienced early or recent MI underwent PCI. Successful reperfusion (ie, Thrombolysis in Myocardial Infarction flow grade 3 of the infarct-related artery [IRA]) was achieved in 90.2% of patients. By multiple stepwise logistic regression analysis, high-burden thrombus formation (odds ratio [OR], 15.53; 95% confidence interval [CI], 6.09 to 39.60; p < 0.0001) in the IRA, early PCI (ie, < or = 3 days) [OR, 4.10; 95% CI, 1.79 to 7.36; p = 0.0008], advanced congestive heart failure (CHF) [OR, 4.10; 95% CI, 1....Continue Reading

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Citations

Sep 15, 2005·International Heart Journal·Hon-Kan YipMien-Cheng Chen
Jul 26, 2005·Circulation Journal : Official Journal of the Japanese Circulation Society·Hon-Kan YipChi-Ling Hang

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