GFR and cardiovascular outcomes after acute myocardial infarction: Results from the Korea acute myocardial infarction registry

Eun Hui Bae, Sang Yup Lim, Kyung Hoon Cho, Joon Seok Choi, Chang Seong Kim, Jeong Woo Park, Seong Kwon Ma, Myung Ho Jeong, Soo Wan Kim

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    Background: Despite strong evidence linking decreased glomerular filtration rate (GFR) to worse outcomes, the impact of GFR on mortality and morbidity in patients with acute myocardial infarction (AMI) is not well defined. Study Design: Retrospective cohort study. Setting & Participants: 12,636 patients with AMI in the Korea AMI Registry database from November 2005 to July 2008. 93% of patients in this registry had coronary angiography, and 91% of patients with coronary angiography had percutaneous coronary intervention (PCI). Predictor: GFR was estimated (eGFR) using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation, and patients were grouped into 5 eGFR categories: >90, 60-89, 30-59, 15-29, and <15 mL/min/1.73 m 2. Outcomes: Primary end points were death and in-hospital complications. Secondary end points were major adverse cardiac events (MACEs) during a 1-month (short-term) and 1-year (long-term) follow-up after AMI. Results: Mean eGFR was 72.8 ± 24.6 mL/min/1.73 m 2, mean age was 64 ± 13 years, and 70.4% were men. A graded association was observed between eGFR and clinical outcomes. In adjusted analyses, compared with eGFR >90 mL/min/1.73 m 2, patients with eGFR of 30-59, 15-29, and <15 mL/min/1.73 m 2 experienced increased risks of short- (respective HRs of 2.30 [95% CI, 1.70-3.11], 3.10 [95% CI, 2.14-4.14], and 3.64 [95% CI, 2.44-5.43]; P < 0.001) and long-term MACEs (HRs of 1.58 [95% CI, 1.32-1.90], 2.12 [95% CI, 1.63-2.75], and 2.50 [95% CI, 1.89-3.29]; P < 0.001). Older age, Killip class higher than I, PCI, and high-sensitivity C-reactive protein level also were associated with higher short- and long-term MACEs. Use of β-blockers, angiotensin-converting enzyme (ACE) inhibitors or angiotensin receptor blockers (ARBs), and statins was associated with decreased risk of MACEs. Limitations: Single assessment of serum creatinine. Conclusion: eGFR was associated independently with mortality and complications after AMI. PCI, β-blocker, ACE inhibitor or ARB, and statin use were associated with decreased risks of short- and long-term MACEs.

    Original languageEnglish
    Pages (from-to)795-802
    Number of pages8
    JournalAmerican Journal of Kidney Diseases
    Issue number6
    Publication statusPublished - 2012 Jun


    • Acute myocardial infarction
    • glomerular filtration rate
    • major adverse cardiac event

    ASJC Scopus subject areas

    • Nephrology


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