• J Am Heart Assoc · Dec 2019

    Multicenter Study Comparative Study

    Comparison of Long-Term Clinical Outcome Between Multivessel Percutaneous Coronary Intervention Versus Infarct-Related Artery-Only Revascularization for Patients With ST-Segment-Elevation Myocardial Infarction With Cardiogenic Shock.

    • Joo Myung Lee, Tae-Min Rhee, Hyun Kuk Kim, Doyeon Hwang, Seung Hun Lee, Ki Hong Choi, Jihoon Kim, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Jin-Ho Choi, Seung-Hyuk Choi, Bon-Kwon Koo, Shung Chull Chae, Myeong-Chan Cho, Chong Jin Kim, Ju Han Kim, Hyo-Soo Kim, Hyeon-Cheol Gwon, Myung Ho Jeong, Joo-Yong Hahn, and KAMIR Investigators.
    • Division of Cardiology Department of Internal Medicine Heart Vascular Stroke Institute Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Korea.
    • J Am Heart Assoc. 2019 Dec 17; 8 (24): e013870.

    AbstractBackground Data are limited regarding long-term outcomes in patients with ST-segment-elevation myocardial infarction and multivessel disease presenting with cardiogenic shock according to revascularization strategy. We sought to compare the 3-year clinical outcomes of patients with ST-segment-elevation myocardial infarction multivessel disease with cardiogenic shock and patients with multivessel percutaneous coronary intervention (PCI) and infarct-related artery (IRA)-only PCI. Methods and Results Of 13 104 patients from the nationwide, multicenter, prospective KAMIR-NIH (Korea Acute Myocardial Infarction Registry--National Institutes of Health) registry, we selected 659 patients with ST-segment-elevation myocardial infarction who had concomitant non-IRA stenosis and presented with cardiogenic shock. The primary outcome was all-cause death. Multivessel PCI was performed in 260 patients and IRA-only PCI in 399 patients. At 3 years, patients in the multivessel PCI group had a lower risk of all-cause death (adjusted hazard ratio, 0.65; 95% CI, 0.45-0.94 [P=0.024]), all-cause death or MI (adjusted hazard ratio, 0.59; 95% CI, 0.41-0.84 [P=0.004]), and non-IRA repeat revascularization (adjusted hazard ratio, 0.23; 95% CI, 0.10-0.50 [P<0.001]) than those in the IRA-only PCI group. The results were consistent after confounder adjustment by propensity score matching and inverse probability weighting analysis. Landmark analysis at 1 year demonstrated that the multivessel PCI group had a lower risk of recurrent MI and non-IRA repeat revascularization beyond 1 year (log-rank P=0.030 and P=0.017, respectively) than the IRA-only PCI group. Conclusions In patients with ST-segment-elevation myocardial infarction and cardiogenic shock, multivessel PCI was associated with a lower risk of all-cause death than IRA-only PCI at 3 years, suggesting potential benefit of non-IRA revascularization during the index hospitalization to improve long-term clinical outcomes.

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