Atherosclerosis
New York University School of Medicine, Department of Medicine, Division of Cardiology, 227E. 30th Street, TRB rm. 853, New York, NY 10016, USA.
Published: August 2018
Background And Aims: Diabetes mellitus is a coronary heart disease (CHD) risk-equivalent for the outcome of peripheral vascular disease. The impact of diabetes with comorbid risk factors on the outcome of peripheral vascular disease remains unexplored.
Methods: We performed a cross-sectional analysis of participants in Lifeline Vascular Screening Inc. age 40-90 who were screened for peripheral vascular disease, defined as lower extremity peripheral artery disease (PAD, ABI <0.9) and/or carotid artery stenosis (CAS, internal CAS ≥50%). CHD was defined as prior myocardial infarction or revascularization. Risk factors included hypertension, hyperlipidemia, smoking, obesity, sedentary lifestyle and family history of cardiovascular disease.
Results: Among 3,517,804 participants, PAD and CAS was identified in 4.4% and 3.7%, respectively. Diabetes was identified in 376,528 participants, 324,680 (86%) of whom did not have CHD. Among diabetic participants without CHD, prevalence of PAD increased with 1-2 (4.3%), 3-4 (7.3%), and ≥5 (12.0%) comorbid risk factors (p trend < 0.0001). The pattern was similar for CAS (3.7%, 6.2%, 8.8%, p trend < 0.0001). Compared to participants without diabetes, those with diabetes and 1-2, 3-4 and ≥5 risk factors had increasing odds of PAD and CAS after adjustment for age, sex and race/ethnicity (1.0, 95% CI 0.98-1.06; 1.8, 95% CI 1.8-1.89; 3.5, 95% CI 3.43-3.64, respectively, p trend < 0.0001). By comparison, in nondiabetic participants, CHD increased odds of PAD and CAS by 2-fold (2.06, 95% CI 2.02-2.1; 2.19, 95% CI 2.15-2.23 respectively).
Conclusions: Diabetes, particularly with comorbid risk factors, confers increased odds of PAD and CAS, even in the absence of CHD. Counseling regarding screening and prevention for peripheral vascular disease among individuals with diabetes and multiple risk factors may be useful.
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http://dx.doi.org/10.1016/j.atherosclerosis.2018.04.026 | DOI Listing |
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Department of Cardiology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam Cardiovascular Sciences, Amsterdam, the Netherlands. Electronic address:
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Department of Trauma and Orthopaedics, NHS Grampian, Aberdeen, UK.
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Department of Health and Kinesiology, Purdue University, West Lafayette, Indiana, USA.
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