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Arch Cardiovasc Dis. 2010 Feb;103(2):97-105. doi: 10.1016/j.acvd.2009.12.003. Epub 2010 Feb 16.

After acute coronary syndrome, diabetic patients with peripheral vascular disease remain at high risk of cardiovascular events despite secondary prevention measures.

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  • 1CEPTA, hôpital cardiologique, CHU Haut-Levêque, avenue de Magellan, 33604 Pessac cedex, France. marianne_lafitte@hotmail.com <marianne_lafitte@hotmail.com>

Abstract

BACKGROUND:

Peripheral vascular disease (PVD) is associated with a high risk of cardiovascular events after an acute coronary syndrome (ACS). The impact of suboptimal risk-factor control and drug prescription on morbidity and mortality rates in patients with PVD following an ACS remains to be established.

AIMS:

To assess whether a global atherosclerosis management programme and optimal secondary prevention could benefit high-risk PVD patients after an ACS.

METHODS:

A total of 851 ACS patients underwent an intensified intervention focusing on evaluating risk factors and atherosclerosis lesions, and on optimizing treatment and education. We compared its impact on long-term risk factors, medication observance and cardiovascular outcomes in patients with coronary artery disease (CAD) alone (n=715, 84.0%) and with both CAD and PVD (n=136).

RESULTS:

At a median follow-up of 18.6months, both groups reached recommended secondary prevention goals and showed no significant differences in rates of drug prescription. PVD was not associated with minor cardiovascular events (hazard ratio [HR] 1.32, 95% confidence interval [CI] 0.57-3.02) but remained independently associated with major (HR 2.15, 95% CI 1.12-4.13) and total (HR 1.76, 95% CI 1.05-2.93) cardiovascular events. Compared to patients with CAD alone, this risk was significantly higher in CAD patients with both PVD and diabetes (HR 2.87, 95% CI 1.52-5.43), but not in PVD patients without diabetes (HR 1.35, 95% CI 0.71-2.56) or diabetic patients without PVD (HR 1.11, 95% CI 0.68-1.81).

CONCLUSION:

Despite optimization of risk-factor control and drug prescription after ACS, patients with both PVD and diabetes carry a 2.9-fold higher risk of cardiovascular events at 18-month follow-up versus patients with CAD alone. This excess risk was not significant in PVD patients without diabetes or in diabetic patients without PVD.

PMID:
20226429
[PubMed - indexed for MEDLINE]
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