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Int J Cardiol. 2013 Sep 10;167(6):2719-23. doi: 10.1016/j.ijcard.2012.06.108. Epub 2012 Jul 13.

Epidemiology and mortality among dialysis patients with acute coronary syndrome: Taiwan National Cohort Study.

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  • 1Department of Cardiology, Chi-Mei Medical Center, and Chia-Nan University of Pharmacy and Science, Tainan, Taiwan.

Abstract

BACKGROUND:

Patients with end-stage renal disease (ESRD) on dialysis have poor outcomes after acute coronary syndrome (ACS). Epidemiological data for Asian patients are scarce.

METHODS:

This longitudinal cohort study investigated the incidence, risk factors, and outcomes of ACS in 19,974 ESRD incident dialysis patients in the Taiwan National Health Insurance research Database between January 1999 and December 2001. The follow-up period was from the start of dialysis to the date of death, end of dialysis, or December 31, 2008.

RESULTS:

ACS was diagnosed in 1785 patients during follow-up (1.78/100 person-years): 832 (46.6%) had acute myocardial infarction (AMI), 681 (38.2%) underwent cardiac catheterization, 398 (22.3%) underwent percutaneous transluminal coronary angioplasty (PTCA), and 50 (2.8%) underwent coronary artery bypass grafting. Male (HR 1.35, 95% CI: 1.23-1.49) and elderly (HR 3.289, 95% CI: 2.71-4.00) patients had a high rate of ACS. Patients with baseline comorbidities (diabetes mellitus, hypertension, congestive heart failure, coronary artery disease, dysrhythmia, and other cardiac and chronic obstructive lung diseases) had a higher incidence of ACS than did those without. Overall in-hospital mortality was 9.7%. The cumulative 6-month post-hospitalization survival rate was 79.3%; the 1-year rate was 72.3%. Being elderly (≥ 65 years old), and having DM or AMI were associated with an increased risk for mortality; PTCA was associated with a decreased risk (HR 0.77, 95% CI: 0.66-0.91).

CONCLUSION:

ESRD dialysis patients had a high incidence of ACS and mortality. Being male, elderly and having baseline comorbidities were independent risk factors for ACS. Coronary intervention is the possible benefits for dialysis patients.

Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

KEYWORDS:

Acute coronary syndrome; Dialysis; Mortality

PMID:
22795721
[PubMed - indexed for MEDLINE]
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