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Turkbey, E.B.; Backlund, J.Y.C.; Gai, N.; Nacif, M.; Geest, R.J. van der; Lachin, J.M.; ... ; DCCT/EDIC Reseach Group (2022)

Left ventricular structure, tissue composition, and aortic distensibility in the diabetes control and complications trial/epidemiology of diabetes intervention and complications

Article / Letter to editor
Alterations in myocardial structure, function, tissue composition (e.g., fibrosis) may be associated with metabolic syndrome (MetS). This study aimed to determine the relation of MetS and its individual components to markers of cardiovascular disease in patients with type 1 Diabetes Mellitus (T1DM). A total of 978 subjects of the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications T1DM cohort (age: 49 +/- 7 years, 47% female, DM duration 28 +/- 5 years) underwent cardiovascular magnetic resonance. In a subset of 200 patients, myocardial tissue composition was measured with cardiovascular magnetic resonance T1 mapping after contrast administration. MetS was defined as T1DM plus 2 other abnormalities based on the American Heart Association/National Cholesterol Education Program criteria. MetS was present in 34.1% of subjects. After adjustment for age, height, scanner, study cohort, gender, smoking, mean glycated hemoglobin levels, history...Show moreAlterations in myocardial structure, function, tissue composition (e.g., fibrosis) may be associated with metabolic syndrome (MetS). This study aimed to determine the relation of MetS and its individual components to markers of cardiovascular disease in patients with type 1 Diabetes Mellitus (T1DM). A total of 978 subjects of the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications T1DM cohort (age: 49 +/- 7 years, 47% female, DM duration 28 +/- 5 years) underwent cardiovascular magnetic resonance. In a subset of 200 patients, myocardial tissue composition was measured with cardiovascular magnetic resonance T1 mapping after contrast administration. MetS was defined as T1DM plus 2 other abnormalities based on the American Heart Association/National Cholesterol Education Program criteria. MetS was present in 34.1% of subjects. After adjustment for age, height, scanner, study cohort, gender, smoking, mean glycated hemoglobin levels, history of macroalbuminuria and end-stage renal disease, left ventricle mass was greater by 12.3 g, end-diastolic volume was higher by 5.4 ml, and mass to end-diastolic volume ratio was higher by 5% in patients with MetS versus those without MetS (p<0.001 for all). Myocardial T1 times were lower by 29ms in patients with MetS than those without (p<0.001). Elevated waist circumference showed the strongest associations with left ventricle mass (+10.1 g), end-diastolic volume (+6.7 ml), and lower myocardial T1 times (+31 ms) in patients with MetS compared with those without (p<0.01). In conclusion, in a large cohort of patients with T1DM, 34.1% of subjects met MetS criteria. MetS was associated with adverse myocardial structural remodeling and change in myocardial tissue composition. (C) 2022 Elsevier Inc. All rights reserved.Show less
All authors
Turkbey, E.B.; Backlund, J.Y.C.; Gai, N.; Nacif, M.; Geest, R.J. van der; Lachin, J.M.; Armstrong, A.; Volpe, G.J.; Nazarian, S.; Lima, J.A.C.; Bluemke, D.A.; DCCT/EDIC Reseach Group
Date
2022-07-01
Journal
American Journal of Cardiology
Volume
174
Pages
158 - 165
DOI
doi:10.1016/j.amjcard.2022.03.036