Extent of coronary artery disease is associated with myocardial infarction and mortality in patients with diabetes mellitus

  • Christine Gyldenkerne
  • , Kevin Kris Warnakula Olesen
  • , Morten Madsen
  • , Troels Thim
  • , Lisette Okkels Jensen
  • , Bent Raungaard
  • , Henrik Toft Sørensen
  • , Hans Erik Bøtker
  • , Michael Maeng*
  • *Kontaktforfatter

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Abstract

Purpose: We examined risk of myocardial infarction and all-cause death associated with the extent of coronary artery disease ascertained by coronary angiography in patients with diabetes mellitus. We hypothesized that risks of myocardial infarction and death were associated with extent of coronary artery disease in diabetes patients. Patients and methods: We conducted a cohort study of patientswith type 1 and type 2 diabetes, who underwent coronary angiography from 2004 to 2012. Patients were stratified according to extent of coronary artery disease: 0-, 1-, 2- or 3-vessel disease or diffuse vessel disease. Endpoints were myocardial infarction, all-cause death, and major adverse cardiovascular events (MACE), defined as the composite of myocardial infarction, cardiac death, or ischemic stroke. Adjusted incidence and mortality rate ratios (IRRsadj) were calculated using patients with 0-vessel disease as the reference group. Median follow-up was 3 years for a total of 45,164 person-years. Results: The study included 12,594 diabetes patients. Of these, 3,147 (25.0%) had 0-vessel disease, 1,195 (9.5%) had diffuse vessel disease, 3,001 (23.8%) had 1-vessel disease, 2,220 (17.6%) had 2-vessel disease, and 3,031 (24.1%) had 3-vessel disease. Themyocardial infarction rate was 0.4 per 100 person-years (95% CI: 0.3-0.5) in patients with 0-vessel disease. Using patients with 0-vessel disease as reference, the risk of myocardial infarction increased according to the number of diseased vessels (diffuse vessel disease: 1.4 per 100 person-years, IRRadj 3.87, 95% CI: 2.41-6.23; 1-vessel disease: 1.9 per 100 person-years, IRRadj 4.99, 95% CI: 3.33-7.46; 2-vessel disease: 2.7 per 100 person-years, IRRadj 7.14, 95% CI: 4.78-10.65; and 3-vessel disease: 4.3 per 100 person-years, IRRadj 11.42, 95% CI: 7.76-16.82; ptrend<0.001). Similar associations were observed for all-cause death and MACE. Conclusion: The extent of coronary artery disease is a major risk factor for myocardial infarction and death in patients with diabetes mellitus.

OriginalsprogEngelsk
TidsskriftClinical Epidemiology
Vol/bind11
Sider (fra-til)419-428
ISSN1179-1349
DOI
StatusUdgivet - maj 2019

Finansiering

Dr Kevin Kris Warnakula Olesen reports personal fees from Bayer, outside the submitted work. Mr Madsen did not report receiving fees, honoraria, grants or consultancies; the Department of Clinical Epidemiology is, however, involved in studies with funding from various companies as research grants to (and administered by) Aarhus University. Dr Michael Maeng report personal fees from Bayer, personal fees from Novo Nordisk, personal fees from Bristol Myers-Squibb, personal fees from Astra, personal fees from Boehringer-Ingelheim, outside the submitted work. The other authors report no conflicts of interest in this work.

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