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Polyvascular Disease and Risk of Major Adverse Cardiovascular Events in Peripheral Artery Disease A Secondary Analysis of the EUCLID Trial

Artikel i vetenskaplig tidskrift
Författare J. A. Gutierrez
H. Mulder
W. S. Jones
F. W. Rockhold
I. Baumgartner
J. S. Berger
J. I. Blomster
F. G. R. Fowkes
Peter Held
B. G. Katona
K. W. Mahaffey
L. Norgren
W. R. Hiatt
M. R. Patel
Publicerad i Jama Network Open
Volym 1
Nummer/häfte 7
ISSN 2574-3805
Publiceringsår 2018
Publicerad vid Institutionen för medicin
Språk en
Länkar dx.doi.org/10.1001/jamanetworkopen....
Ämnesord myocardial-infarction, clopidogrel, ticagrelor, vorapaxar, outcomes, stroke
Ämneskategorier Kardiovaskulär medicin

Sammanfattning

IMPORTANCE The effect of polyvascular disease on cardiovascular outcomes in the background of peripheral artery disease (PAD) is unclear. OBJECTIVE To determine the risk of ischemic events (both cardiac and limb) among patients with PAD and polyvascular disease. DESIGN, SETTING, AND PARTICIPANTS In this post hoc secondary analysis of the international Examining Use of Ticagrelor in Peripheral Artery Disease (EUCLID) trial, outcomes were compared among 13 885 enrolled patients with PAD alone, PAD + coronary artery disease (CAD), PAD + cerebrovascular disease (CVD), and PAD + CAD + CVD. Adjusted Cox proportional hazards regression models were implemented to determine the risk associated with polyvascular disease and outcomes, and intention-to-treat analysis was performed. The EUCLID trial was conducted from December 31, 2012, to March 7, 2014; the present post hoc analysis was performed from June 1, 2017, to February 5, 2018. INTERVENTIONS EUCLID evaluated ticagrelor vs clopidogrel in preventing major adverse cardiac events (cardiovascular death, myocardial infarction [MI], or ischemic stroke) and major bleeding in patients with PAD. MAIN OUTCOMES AND MEASURES The primary end point was a composite of cardiovascular death, MI, or ischemic stroke. Key secondary end points included the individual components of the primary end point and acute limb ischemia leading to hospitalization, major amputation, and lower-extremity revascularization. The primary end point of Thrombolysis in Myocardial Infarction (TIMI) major bleeding was also evaluated. RESULTS The EUCLID trial randomized 13 885 patients with a median age of 66 years (interquartile range, 60-73 years), of whom 3888 (28.0%) were women. At baseline, 7804 patients (56.2%) had PAD alone; 2639 (19.0%) had PAD + CAD; 2049 (14.8%) had PAD + CVD; and 1393 (10.0%) had PAD + CAD + CVD. Compared with patients with isolated PAD, the adjusted hazard ratios (aHRs) for major adverse cardiac events were 1.34 (95% CI, 1.15-1.57; P < .001) for PAD + CVD, 1.65 (95% CI, 1.43491; P < .001) for PAD + CAD, and 1.99 (95% CI, 1.69-2.34; P < .001)for PAD + CAD + CVD. The aHRs for lower-extremity revascularization were 1.17 (95% CI, 1.03-1.34; P = .01) for PAD + CAD, 1.17 (95% CI, 1.02-1.35; P = .02) for PAD + CVD. and 1.34 (95% CI, 1.15-1.57; P < .001) for PAD + CAD + CVD. Polyvascular disease was not associated with an increased risk of acute limb ischemia (aHR for PAD + CVD, 0.91; 95% CI, 0.62-1.34, P = .63; PAD + CAD, 0.93; 95% CI, 0.64-1.34. P = .69; and PAD + CAD + CVD, 0.98; 95% CI, 0.63-1.53, P = .93), major amputation (aHR for PAD + CVD, 0.83; 95% CI, 0.541.27, P = .40; PAD + CAD, 0.74; 95% CI, 0.47-1.16, P = .19; and PAD + CAD + CVD, 1.12; 95% CI, 0.691.80, P = .65), or TI MI major bleeding (PAD + CVD, 0.98; 0.66-1.44, P = .91; PAD + CAD, 1.04; 0.741.48, P = .81; and PAD + CAD + CVD, 0.96; 95% CI, 0.62-1.51, P = .88). CONCLUSIONS AND RELEVANCE Compared with patients with PAD alone, the risk of major adverse cardiac events and lower-extremity revascularization increased with multiple vascular bed involvement. There was no clear increased risk of bleeding associated with polyvascular disease.

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