Prevalence of diabetes and impact on cardiovascular events and mortality in patients with chronic coronary syndromes, across multiple geographical regions and ethnicities

Mak, K.-H. et al. (2021) Prevalence of diabetes and impact on cardiovascular events and mortality in patients with chronic coronary syndromes, across multiple geographical regions and ethnicities. European Journal of Preventive Cardiology, 28(16), pp. 1795-1806. (doi: 10.1093/eurjpc/zwab011) (PMID:35022686)

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Background: In contrast with the setting of acute myocardial infarction, there are limited data regarding the impact of diabetes mellitus on clinical outcomes in contemporary cohorts of patients with chronic coronary syndromes. We aimed to investigate the prevalence and prognostic impact of diabetes according to geographical regions and ethnicity. Methods and results: CLARIFY is an observational registry of patients with chronic coronary syndromes, enrolled across 45 countries in Europe, Asia, America, Middle East, Australia, and Africa in 2009–2010, and followed up yearly for 5 years. Chronic coronary syndromes were defined by ≥1 of the following criteria: prior myocardial infarction, evidence of coronary stenosis >50%, proven symptomatic myocardial ischaemia, or prior revascularization procedure. Among 32 694 patients, 9502 (29%) had diabetes, with a regional prevalence ranging from below 20% in Northern Europe to ∼60% in the Gulf countries. In a multivariable-adjusted Cox proportional hazards model, diabetes was associated with increased risks for the primary outcome (cardiovascular death, myocardial infarction, or stroke) with an adjusted hazard ratio of 1.28 (95% confidence interval 1.18, 1.39) and for all secondary outcomes (all-cause and cardiovascular mortality, myocardial infarction, stroke, heart failure, and coronary revascularization). Differences on outcomes according to geography and ethnicity were modest. Conclusion: In patients with chronic coronary syndromes, diabetes is independently associated with mortality and cardiovascular events, including heart failure, which is not accounted by demographics, prior medical history, left ventricular ejection fraction, or use of secondary prevention medication. This is observed across multiple geographic regions and ethnicities, despite marked disparities in the prevalence of diabetes.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Young, Dr Robin and Greenlaw, Miss Nicola and Ford, Professor Ian
Authors: Mak, K.-H., Vidal-Petiot, E., Young, R., Sorbets, E., Greenlaw, N., Ford, I., Tendera, M., Ferrari, R., Tardif, J.-C., Udell, J. A., Escobedo, J., Fox, K. M., and Steg, P. G.
College/School:College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Robertson Centre
Journal Name:European Journal of Preventive Cardiology
Publisher:Oxford University Press
ISSN (Online):2047-4881
Published Online:06 April 2021
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in European Journal of Preventive Cardiology 28(16): 1795-1806
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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