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Statin Use and Risk of Diabetes by Subclinical Atherosclerosis Burden (from a Multi-Ethnic Study of Atherosclerosis Report).

ABSTRACT: Although there is a significant reduction in atherosclerotic cardiovascular disease risk with statins, a higher risk of diabetes mellitus has been demonstrated in randomized clinical trials. The risk of incident diabetes with statins may be heterogeneous by presence of coronary artery calcium (CAC). We evaluated participants without prevalent diabetes at baseline from the MESA (Multi-Ethnic Study of Atherosclerosis), a prospective cohort study of subjects free of clinical cardiovascular disease at baseline. We used multivariable-adjusted Cox proportional hazards models to study the association between statin use and incident diabetes, adjusting for sociodemographic and cardiovascular risk factors, including time-varying statin use and stratifying by baseline CAC (0, 1 to 100, ≥100). The study population included 5,943 participants with a mean (SD) age of 62 (10) years, 54% women, 41% White, 26% Black, 12% Chinese-American, and 21% Hispanic. In the unadjusted analyses, statin use was associated with a higher risk of incident diabetes (hazard ratio [HR] 1.62, 95% confidence interval [CI] 1.27 to 2.06). After adjustment, this risk was no longer significant (HR 1.13, 95% CI 0.83 to 1.54). Although imprecise, the HR expressing the association of statins with diabetes was lower for those with CAC = 0 (HR 0.80, 95% CI 0.45 to 1.40) than for those with a higher CAC burden (HR 1.30, 95% CI 0.71 to 2.39 for CAC 1 to 100 and HR 1.39, 95% CI 0.85 to 2.28 for CAC ≥100), but this heterogeneity was not statistically significant. In conclusion, statin therapy was not significantly associated with incident diabetes mellitus in this observational study. The risk of incident diabetes did not significantly differ by baseline CAC.

SUBMITTER: Al Rifai M

PROVIDER: S-EPMC10458502 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature

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Statin Use and Risk of Diabetes by Subclinical Atherosclerosis Burden (from a Multi-Ethnic Study of Atherosclerosis Report).

Al Rifai Mahmoud M Szklo Moyses M Patel Jaideep J Blaha Michael J MJ Ballantyne Christie M CM Bittner Vera V Morris Pamela P McEvoy John W JW Shapiro Michael D MD Al-Mallah Mouaz H MH Greenland Philip P Virani Salim S SS

The American journal of cardiology 20221001

Although there is a significant reduction in atherosclerotic cardiovascular disease risk with statins, a higher risk of diabetes mellitus has been demonstrated in randomized clinical trials. The risk of incident diabetes with statins may be heterogeneous by presence of coronary artery calcium (CAC). We evaluated participants without prevalent diabetes at baseline from the MESA (Multi-Ethnic Study of Atherosclerosis), a prospective cohort study of subjects free of clinical cardiovascular disease ...[more]

PMID: 36192199

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Project description:ObjectivesThe aim of this study was to evaluate the impact of coronary artery calcium (CAC) burden and regional distribution on the need for and type of future coronary revascularization-percutaneous versus surgical (coronary artery bypass graft [CABG])-among asymptomatic subjects.BackgroundThe need for coronary revascularization and the chosen mode of revascularization are thought to be functions of disease burden and anatomic distribution. The association between the baseline burden and regional distribution of CAC and the risk and type of future coronary revascularization remains unknown.MethodsA total of 6,540 participants in the MESA (Multi-Ethnic Study of Atherosclerosis) (subjects aged 45 to 84 years, free of known baseline cardiovascular disease) with vessel-specific CAC measurements were followed for a median of 8.5 years (interquartile range: 7.7 to 8.6 years). Annualized rates and multivariate-adjusted hazard ratios for revascularization and revascularization type were analyzed according to CAC score category, number of vessels with CAC (0 to 4, including the left main coronary artery), and involvement of individual coronary arteries.ResultsA total of 265 revascularizations (4.2%) occurred during follow-up, and 206 (78% of the total) were preceded by adjudicated symptoms. Revascularization was uncommon when CAC score was 0.0 (0.6%), with a graded increase over both rising CAC burden and increasingly diffuse CAC distribution. The revascularization rates per 1,000 person-years for CAC scores of 1 to 100, 101 to 400, and >400 were 4.9, 11.7, and 25.4, respectively; for 1, 2, 3, and 4 vessels with CAC, the rates were 3.0, 8.0, 16.1, and 24.8, respectively. In multivariate models adjusting for CAC score, the number of vessels with CAC remained predictive of revascularization and mode of revascularization. Independent predictors of CABG versus percutaneous coronary intervention included 3- or 4-vessel CAC, higher CAC burden, and involvement of the left main coronary artery. Risk for CABG was extremely low with <3-vessel baseline CAC. Results were similar when considering only symptom-driven revascularizations.ConclusionsIn this multiethnic cohort of asymptomatic subjects, baseline CAC was highly predictive of future coronary revascularization procedures, with measures of CAC burden and distribution each independently predicting need for percutaneous coronary intervention versus CABG over an 8.5-year follow-up.

Dataset Information

Statin Use and Risk of Diabetes by Subclinical Atherosclerosis Burden (from a Multi-Ethnic Study of Atherosclerosis Report).

Publications

Statin Use and Risk of Diabetes by Subclinical Atherosclerosis Burden (from a Multi-Ethnic Study of Atherosclerosis Report).

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