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dc.contributor.authorAbtan, J.
dc.contributor.authorBhatt, D.
dc.contributor.authorElbez, Y.
dc.contributor.authorSorbets, E.
dc.contributor.authorEagle, K.
dc.contributor.authorReid, Christopher
dc.contributor.authorBaumgartner, I.
dc.contributor.authorWu, D.
dc.contributor.authorHanson, M.
dc.contributor.authorHannachi, H.
dc.contributor.authorSinghal, P.
dc.contributor.authorSteg, P.
dc.contributor.authorDucrocq, G.
dc.contributor.authorREACH Registry Investigators
dc.identifier.citationAbtan, J. and Bhatt, D. and Elbez, Y. and Sorbets, E. and Eagle, K. and Reid, C. and Baumgartner, I. et al. 2017. Geographic variation and risk factors for systemic and limb ischemic events in patients with symptomatic peripheral artery disease: Insights from the REACH Registry. Clinical Cardiology. 40 (9): pp. 710-718.

Background: Patients with symptomatic peripheral artery disease (PAD) are at high risk of ischemic events. However, data about predictors of this risk are limited. Hypothesis: We analyzed baseline characteristics and 4-year follow-up of patients enrolled in the international REduction of Atherothrombosis for Continued Health (REACH) Registry with symptomatic PAD and no history of stroke/transient ischemic attack to describe annual rates of recurrent ischemic events globally and geographically. Methods: The primary outcome was systemic ischemic events (composite of cardiovascular death, myocardial infarction, or stroke) at 4 years. The secondary outcome was limb ischemic events (composite of lower limb amputation, peripheral bypass graft, and percutaneous intervention for PAD) at 2 years. Multivariate analysis identified risk factors associated with recurrent ischemic events. Results: The primary endpoint rate reached 4.7% during the first year and increased continuously (by 4%-5% each year) to 17.6% by year 4, driven mainly by cardiovascular mortality (11.1% at year 4). Japan experienced lower adjusted ischemic rates (P < 0.01) vs North America. Renal impairment (P < 0.01), congestive heart failure (P < 0.01), history of diabetes (P < 0.01), history of myocardial infarction (P = 0.01), vascular disease (single or poly, P < 0.01), and older age (P < 0.01) were associated with increased risk of systemic ischemic events, whereas statin use was associated with lower risk (P = 0.03). The limb ischemic event rate was 5.7% at 2 years. Conclusions: Four-year systemic ischemic risk in patients with PAD and no history of stroke or transient ischemic attack remains high, and was mainly driven by cardiovascular mortality.

dc.titleGeographic variation and risk factors for systemic and limb ischemic events in patients with symptomatic peripheral artery disease: Insights from the REACH Registry
dc.typeJournal Article
dcterms.source.titleClin Cardiol
curtin.departmentDepartment of Health Policy and Management
curtin.accessStatusOpen access via publisher

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