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Am J Kidney Dis. 2001 Mar;37(3):484-9.

Cardiac risk factors and the use of cardioprotective medications in patients with chronic renal insufficiency.

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1
Dalhousie University, Halifax, Nova Scotia.

Abstract

Cardiovascular disease (CVD) is a major cause of morbidity and mortality among patients with chronic renal insufficiency (CRI). beta-Adrenergic blockers, acetylsalicylic acid (ASA), angiotensin-converting enzyme (ACE) inhibitors, and 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors (statins) all reduce CVD mortality, but little is known about the extent to which these medications are used in patients with CRI. This study, a prospective cross-sectional study of consecutive patients seen by nephrologists in four Canadian centers for follow-up of progressive CRI in 1999, was performed to investigate the prevalence of coronary risk factors and use of cardioprotective medications among patients with CRI. Patients had creatinine clearances of 75 mL/min or less but were not on dialysis therapy. Three hundred four consecutive patients meeting the inclusion criteria were enrolled. Mean age was 60.8 +/- 15.7 years, mean creatinine clearance was 30.3 +/- 18 mL/min, and the case mix of kidney diseases was similar to that in the Canadian Organ Replacement Registry data. One hundred seventeen of 304 patients (38.5%) had a history of previous CVD, and the prevalence of CVD was greater in patients with more severe CRI. Two hundred forty-three patients (79.9%) had a history of hypertension, 132 patients (43.4%) had hyperlipidemia, 114 patients (37.5%) had diabetes mellitus, and 71 patients (27.3%) were smokers. Thirty-five percent of the patients with CVD had blood pressures greater than 140/90 mm Hg; 103 patients (33.9%) were administered beta-blockers; 196 patients (64.5%), ACE inhibitors or angiotensin-receptor blockers; 83 patients (27.3%), ASA; and 56 patients (18.4%), statins. Patients with diabetes were not more likely than those without diabetes to be prescribed cardioprotective medications. CVD is common in the predialysis population, and its prevalence increases with more severe kidney failure. Despite this, the use of cardioprotective medications is relatively low, and many patients had suboptimal blood pressure control. Given the high burden of disease in these patients, beta-blockers and ACE inhibitors should be used to control hypertension and/or for cardioprotection, and the increased use of ASA and statins should be considered.

PMID:
11228171
[Indexed for MEDLINE]

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