Predictors of Six-Month Major Adverse Cardiac Events in 30-Day Survivors After Acute Myocardial Infarction (from the Korea Acute Myocardial Infarction Registry)

Jang Hoon LeeHun Sik ParkShung Chull ChaeYongkeun ChoDong Heon YangMyung Ho JeongYoung Jo KimKee-Sik KimSeung Ho HurIn Whan SeongTaek Jong HongMyeong Chan ChoChong Jin KimJae Eun JunWee Hyun Park
Dept. of Internal Medicine (내과학)
Issue Date
American Journal of Cardiology, Vol.104(2) : 182-189, 2009
Little is known about risk factors for 6-month major adverse cardiac events (MACEs) in 30-day survivors after acute myocardial infarction (AMI). We investigated predictors of 6-month MACE in 30-day survivors after MI from the Korea Acute Myocardial Infarction Registry (KAMIR). From November 2005 to January 2008, 9,706 patients (6,983 men, mean age 64.0 12.4 years) who survived >30 days after AMI were analyzed. The primary end point was 6-month MACEs including death, MI, and revascularization. During 6-month follow-up, 317 patients (3.2%) had MACEs including 66 (0.6%) deaths, 23 (0.2%) recurrent MIs, and 218 (2.2%) revascularizations. In multivariate logistic regression analysis, factors reflecting demographics (body mass index), severity of left ventricular systolic dysfunction (Killip class >I, in-hospital cardiogenic shock, use of intra-aortic balloon pump), residual myocardial ischemia (previous coronary heart disease, multivessel disease), and electrical instability (ventricular tachycardia/ventricular fibrillation on admission) were independent predictors of 6-month MACEs after adjustment for clinical, angiographic, and procedural data. Plasma level of N-terminal pro–B-type natriuretic peptide provided an additional prognostic value predicting 6-month MACEs. In conclusion, this study provides useful prognostic information for clinicians to advise patients who have survived the acute phase of MI. More intensive management is needed in survivors after MI with these high-risk features. © 2009 Elsevier Inc. (Am J Cardiol 2009;104:182–189)
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