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    Geographic variation and risk factors for systemic and limb ischemic events in patients with symptomatic peripheral artery disease: Insights from the REACH Registry

    Access Status
    Open access via publisher
    Authors
    Abtan, J.
    Bhatt, D.
    Elbez, Y.
    Sorbets, E.
    Eagle, K.
    Reid, Christopher
    Baumgartner, I.
    Wu, D.
    Hanson, M.
    Hannachi, H.
    Singhal, P.
    Steg, P.
    Ducrocq, G.
    REACH Registry Investigators
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Abtan, 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.
    Source Title
    Clin Cardiol
    DOI
    10.1002/clc.22721
    ISSN
    1932-8737
    School
    Department of Health Policy and Management
    URI
    http://hdl.handle.net/20.500.11937/56730
    Collection
    • Curtin Research Publications
    Abstract

    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.

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