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KMID : 0368120120420020095
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Korean Circulation Journal
2012 Volume.42 No. 2 p.95 ~ p.99
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Impact of Multivessel Coronary Disease With Chronic Total Occlusion on One-Year Mortality in Patients With Acute Myocardial Infarction
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Lee Ju-Hwan
Park Hun-Sik
Ryu Hyeon-Min
Lee Hyun-sang
Bae Myung-Hwan
Lee Jang-Hoon
Yang Dong-Heon
Cho Yong-Keun
Chae Shung-Chul
Jun Jae-Eun
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Abstract
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Background and Objectives: The impact of multivessel coronary disease (MVD) with chronic total occlusion (CTO) on one-year mortality in patients with acute myocardial infarction (AMI) is not clearly known. We investigated the impact of MVD with concurrent CTO lesion on one-year mortality in patients with AMI.
Subjects and Methods: We studied 1008 consecutive patients who underwent coronary angiography between November 2005 and December 2008 with a diagnosis of AMI.
Results: Among 1008 patients, 432 patients (43%) had MVD, and 88 patients (8.7%) had CTO lesion. The one-year overall mortality was higher in patients with MVD than in patients with single vessel disease (SVD) (10.2% vs. 5.9%, p=0.012). However, the one-year overall mortality was not significantly higher in patients with CTO lesion than in patients without that lesion (12.5% vs. 7.3%, p=0.080). In multivariate analysis, independent predictors of one-year overall mortality were age older than 65 years {hazard ratio (HR) 2.41, 95% confidence interval (CI): 1.43 to 4.08}, Killip class ≥III (HR 3.59, 95% CI: 2.24 to 5.77), ST-elevation myocardial infarction (HR 2.45, 95% CI: 1.49 to 4.05) and MVD (HR 1.76, 95% CI: 1.07 to 2.89).
Conclusion: Patients with MVD showed higher one-year mortality than patients with SVD. However, the presence of CTO was not an independent predictor of one-year mortality in this study that included patients with successfully revascularized CTO lesion.
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KEYWORD
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Coronary occlusion, Myocardial infarction, Chronic disease, Prognosis
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