Cardioprotective medication is associated with improved survival in patients with peripheral arterial disease

被引:131
作者
Feringa, HHH
van Waning, VH
Bax, JJ
Elhendy, A
Boersma, E
Schouten, O
Galal, W
Vidakovic, RV
Tangelder, MJ
Poldermans, D
机构
[1] Erasmus Med Ctr, Dept Anesthesiol, Rotterdam, Netherlands
[2] Erasmus Med Ctr, Dept Cardiol, Rotterdam, Netherlands
[3] Erasmus Med Ctr, Dept Vasc Surg, Rotterdam, Netherlands
[4] Leiden Univ, Med Ctr, Dept Cardiol, Leiden, Netherlands
[5] Univ Nebraska, Cardiol Sect, Omaha, NE 68182 USA
关键词
D O I
10.1016/j.jacc.2005.09.074
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVES We sought to investigate the effect of cardiac medication on long-term mortality in patients with peripheral arterial disease (PAD). BACKGROUND Peripheral arterial disease is associated with increased cardiovascular morbidity and mortality. Treatment guidelines recommend aggressive management of risk factors and lifestyle modifications. However, the potential benefit of cardiac medication in patients with PAD remains ill defined. METHODS In this prospective observational cohort study, 2,420 consecutive patients (age, 64 +/- 11 years, 72% men) with PAD (ankle-brachial index <= 0.90) were screened for clinical risk factors and cardiac medication. Follow-up end point was death from any cause. Propensity scores for statins, beta-blockers, aspirin, angiotensin-converting enzyme (ACE) inhibitors, calcium channel blockers, diuretics, nitrates, coumarins, and digoxin were calculated. Cox regression models were used to analyze the relation between cardiac medication and long-term mortality. RESULTS Medical history included diabetes mellitus in 436 patients (18%), hypercholesterolerma in 581 (24%), smoking in 837 (35%), hypertension in 1,162 (48%), coronary artery disease in 1,065 (44%), and a history of heart failure in 214 (9%). Mean ankle-brachial index was 0.58 (+/- 0.18). During a median follow-up of eight years, 1,067 patients (44%) died. After adjustment for risk factors and propensity scores, statins (hazard ratio [HR] 0.46, 95% confidence interval [CI] 0.36 to 0.58), beta-blockers (HR 0.68, 95% CI 0.58 to 0.80), aspirins (HR 0.72, 95% CI 0.61 to 0.84), and ACE inhibitors (HR 0.80, 95% CI 0.69 to 0.94) were significantly associated with a reduced risk of long-term mortality. CONCLUSIONS On the basis of this observational longitudinal study, statins, beta-blockers, aspirins, and ACE inhibitors are associated with a reduction in long-term mortality in patients with PAD.
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页码:1182 / 1187
页数:6
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