Calcium score and coronary atherosclerosis in an adult cohort

Abstract

The ELSA (Longitudinal Study of Adult Health) is a cohort of 15,105 men and women aged 35 to 74-years-age in six centers, in Brazil, with 5061 of them in São Paulo, addressing risk factors for cardiovascular disease and type 2 diabetes. The baseline finished up December 2012. All participants answered questionnaires and they were underwent exams for subclinical atherosclerosis. The ELSA-Brazil in the coming years will provide new information on the incidence of diabetes and hypertension. Later, it will provide the relative risk for cardiovascular diseases from different exposures variables. Coronary Artery Calcium Score (CACS) has been applied only in three cohorts, and the results improved the 10-year risk of coronary event according to Framingham Heart Study classification by reducing the proportion of individuals classified as "intermediate risk". The proposal will be to perform in the ELSA-Sao Paulo, CACS for all 5,061 people, and additionally an evaluation by a tomography coronary equipment with 64 channels of coronary arteries of over 55 years or younger but a 10-year risk of coronary event exceeding 10% according to Framingham risk score. This project will utilize all the available structure of the ELSA project and the HU-USP. We are applying for support of image storage hardware and material to perform angiography study. This project was approved by the Internal Review Board that considered an adequate risk assessment of contrast and radiation to the participants of the sample that will be under angiotomography scanning, since CACS is a low-risk procedure (AU)