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Am J Kidney Dis. 2006 Feb;47(2):301-8.

Poor short-term survival and low use of cardiovascular medications in elderly dialysis patients after acute myocardial infarction.

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Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02120, USA.



Beta-blockers, statins, angiotensin-converting enzyme (ACE) inhibitors, and angiotensin receptor blockers (ARBs) are standard therapies after myocardial infarction (MI) in the general population. Their use and association with mortality in elderly dialysis patients after MI have not been studied sufficiently.


Claims records from Medicare and Medicaid patients aged 65 years and older who participated in prescription benefit plans of 2 eastern states were used to identify dialysis patients with MI between 1995 and 2003. Study outcomes were outpatient use of beta-blockers, statins, and ACE inhibitors and/or ARBs within 90 days after MI. We used multivariate logistic regression to assess predictors of such use. Multivariate Cox regression was applied to test for associations between beta-blocker, statin, and ACE-inhibitor and/or ARB use and 1-year mortality.


We identified 902 dialysis patients who were hospitalized with MI. Of these, 39.5% died within 90 days and 63.6% died within 1 year after MI. Of 494 patients who were discharged within 21 days or less and survived longer than 90 days, 31.0% were administered an ACE inhibitor and/or ARB; 19.4%, a statin; and 34.2%, a beta-blocker after discharge. Use of ACE inhibitors and/or ARBs was associated with a 30% reduction in 1-year mortality (hazard ratio [HR], 0.70; 95% confidence interval [CI], 0.50 to 0.98), whereas statin (HR, 0.97; 95% CI, 0.65 to 1.45) and beta-blocker use (HR, 1.05; 95% CI, 0.78 to 1.43) were not.


Elderly dialysis patients have excessively high mortality and low use of standard therapies after MI. Only ACE inhibitors and/or ARBs were associated with a reduced risk for death at 1 year in this population. Whether the high mortality rate in this population is attributable to such low use of preventive cardiovascular medications remains uncertain.

[Indexed for MEDLINE]

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