Association of renal insufficiency with treatment and outcomes after myocardial infarction in elderly patients

Michael G. Shlipak*, Paul A. Heidenreich, Haruko Noguchi, Glenn M. Chertow, Warren S. Browner, Mark B. McClellan

*この研究の対応する著者

研究成果: Article査読

474 被引用数 (Scopus)

抄録

Background: Patients with end-stage renal disease are known to have decreased survival after myocardial infarction, but the association of less severe renal dysfunction with survival after myocardial infarction is unknown. Objectives: To determine how patients with renal insufficiency are treated during hospitalization for myocardial infarction and to determine the association of renal insufficiency with survival after myocardial infarction. Design: Cohort study. Setting: All nongovernment hospitals in the United States. Patients: 130 099 elderly patients with myocardial infarction hospitalized between April 1994 and July 1995. Measurements: Patients were categorized according to initial serum creatinine level: no renal insufficiency (creatinine level < 1.5 mg/dL [<132 μmol/L] iLmol/Ll; n = 82 455), mild renal insufficiency (creatinine level, 1.5 to 2.4 mg/dL [132 to 212 μmol/L]; n = 36 756), or moderate renal insufficiency (creatinine level, 2.5 to 3.9 mg/dL [221 to 345 μmol/L]; n = 10 888). Vital status up to 1 year after discharge was obtained from Social Security records. Results: Compared with patients with no renal insufficiency, patients with moderate renal insufficiency were less likely to receive aspirin, β-blockers, thrombolytic therapy, angiography, and angioplasty during hospitalization. One-year mortality was 24% in patients with no renal insufficiency, 46% in patients with mild renal insufficiency, and 66% in patients with moderate renal insufficiency (P < 0.001). After adjustment for patient and treatment characteristics, mild (hazard ratio, 1.68 [95% Cl, 1.63 to 1.73]) and moderate (hazard ratio, 2.35 [Cl, 2.26 to 2.45]) renal insufficiency were associated with substantially elevated risk for death during the first month of follow-up. This increased mortality risk continued until 6 months after myocardial infarction. Conclusions: Renal insufficiency was an independent risk factor for death in elderly patients after myocardial infarction. Targeted interventions may be needed to improve treatment for this high-risk population.

本文言語English
ページ(範囲)555-562
ページ数8
ジャーナルAnnals of Internal Medicine
137
7
DOI
出版ステータスPublished - 2002 10 1
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ASJC Scopus subject areas

  • 内科学

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