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Sanampudi, Sreeja; Teixidó‐Turà, Gisela; Fujii, Tomoki; Noda, Chikara; Redhueil, Alban; Wu, Colin O.; Hundley, W. Gregory; Gomes, Antoinette S.; Bluemke, David A.; Lima, João A.C.; Ambale‐Venkatesh, Bharath
Journal of magnetic resonance imaging, July 2024, Letnik: 60, Številka: 1Journal Article
Background It is unclear whether thoracic aortic volume (TAV) is useful for cardiovascular (CV) disease prognosis and risk assessment. Purpose This study evaluated cross‐sectional associations of TAV with CV risk factors, and longitudinal association with incident CV events in the multiethnic study of atherosclerosis. Study Type Retrospective cohort analysis of prospective data. Population 1182 participants (69 ± 9 years, 54% female, 37% Caucasian, 18% Chinese, 31% African American, 14% Hispanic, 60% hypertensive, and 20% diabetic) without prior CV disease. Field Strength and sequences Axial black‐blood turbo spin echo or bright blood steady‐state free precession images on 1.5T scanners. Assessment TAV was calculated using Simpson's method from axial images, and included the ascending arch and descending segments. Traditional CV risk factors were assessed at the time of MRI. CV outcomes over a 9‐year follow‐up period were recorded and represented a composite of stroke, stroke death, coronary heart disease (CHD), CHD death, atherosclerotic death, and CVD death. Statistical Tests Multivariable linear regression models adjusted for height and weight were used to determine the relationship (β coefficient) between TAV and CV risk factors. Cox regression models assessed the association of TAV and incident CV events. A P‐value of <0.05 was deemed statistically significant. Results Mean TAV was = 139 ± 41 mL. In multivariable regression, TAV was directly associated with age (β = 1.6), male gender (β = 23.9), systolic blood pressure (β = 0.1), and hypertension medication use (β = 7.9); and inversely associated with lipid medication use (β = −5.3) and treated diabetes (β = −8.9). Compared to Caucasians, Chinese Americans had higher TAV (β = 11.4), while African Americans had lower TAV (β = −7.0). Higher TAV was independently associated with incident CV events (HR: 1.057 per 10 mL). Conclusion Greater TAV is associated with incident CV events, increased age, and hypertension in a large multiethnic population while treated diabetes and lipid medication use were associated with lower TAV. Level of Evidence 2 Technical Efficacy Stage 2
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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