Impact of polyvascular disease on clinical outcomes in patients undergoing coronary revascularization: An observation from the CREDO-Kyoto Registry Cohort-2


      • Patients with coronary artery disease often have concomitant vascular disease.
      • Outcomes after revascularization were assessed in patients with polyvascular disease.
      • Patients with polyvascular disease had worse cardiovascular outcomes.



      Patients with coronary artery disease (CAD) often have prior stroke or concomitant extra-cardiac vascular disease (EVD) such as cerebral, aortic, or peripheral vascular disease. However, clinical outcomes after coronary revascularization in patients with polyvascular disease have not been fully elucidated.


      Among 15,263 patients undergoing first coronary revascularization enrolled in the CREDO-Kyoto registry Cohort-2 from January 2005 to December 2007, there were 1443 patients with prior stroke (stroke + CAD group), 974 patients with EVD (EVD + CAD group), 253 patients with both prior stroke and EVD (stroke/EVD/CAD group) and 12,593 patients with neither prior stroke nor EVD (CAD alone group [reference]).


      The cumulative incidence of major adverse cardiovascular events (MACE: composite of cardiovascular death, myocardial infarction and stroke) through 3 years was significantly higher in patients with polyvascular disease compared with reference patients (19.9% in the stroke + CAD group, 18.5% in the EVD + CAD group, 20.1% in the stroke/EVD/CAD group, and 11.2% in the CAD alone group, P < 0.0001). After adjusting confounders, the presence of EVD and/or stroke was independently associated with higher risk for MACE compared with the reference group (adjusted HR [95%CI]: 1.34 [1.17–1.54], P < 0.0001 in the stroke + CAD group, 1.56 [1.32–1.84], P < 0.0001 in the EVD + CAD group, and 1.66 [1.24–2.23], P = 0.0007 in the stroke/EVD/CAD group). However, the presence of EVD and/or stroke was not associated with higher risk for myocardial infarction.


      Clinical outcome after coronary revascularization was worse in patients with prior stroke and/or EVD, which was mainly driven by the increased risk for non-coronary cardiovascular events.


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