Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study

Abstract Background Coronary artery calcified plaque (CAC) is strongly predictive of cardiovascular disease (CVD) events and mortality, both in general populations and individuals with type 2 diabetes at high risk for CVD. CAC is typically reported as an Agatston score, which is weighted for increas...

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Main Authors: Laura M. Raffield, Amanda J. Cox, Michael H. Criqui, Fang-Chi Hsu, James G. Terry, Jianzhao Xu, Barry I. Freedman, J. Jeffrey Carr, Donald W. Bowden
Format: Article
Language:English
Published: BMC 2018-05-01
Series:Cardiovascular Diabetology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12933-018-0714-z
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author Laura M. Raffield
Amanda J. Cox
Michael H. Criqui
Fang-Chi Hsu
James G. Terry
Jianzhao Xu
Barry I. Freedman
J. Jeffrey Carr
Donald W. Bowden
author_facet Laura M. Raffield
Amanda J. Cox
Michael H. Criqui
Fang-Chi Hsu
James G. Terry
Jianzhao Xu
Barry I. Freedman
J. Jeffrey Carr
Donald W. Bowden
author_sort Laura M. Raffield
collection DOAJ
description Abstract Background Coronary artery calcified plaque (CAC) is strongly predictive of cardiovascular disease (CVD) events and mortality, both in general populations and individuals with type 2 diabetes at high risk for CVD. CAC is typically reported as an Agatston score, which is weighted for increased plaque density. However, the role of CAC density in CVD risk prediction, independently and with CAC volume, remains unclear. Methods We examined the role of CAC density in individuals with type 2 diabetes from the family-based Diabetes Heart Study and the African American-Diabetes Heart Study. CAC density was calculated as mass divided by volume, and associations with incident all-cause and CVD mortality [median follow-up 10.2 years European Americans (n = 902, n = 286 deceased), 5.2 years African Americans (n = 552, n = 93 deceased)] were examined using Cox proportional hazards models, independently and in models adjusted for CAC volume. Results In European Americans, CAC density, like Agatston score and volume, was consistently associated with increased risk of all-cause and CVD mortality (p ≤ 0.002) in models adjusted for age, sex, statin use, total cholesterol, HDL, systolic blood pressure, high blood pressure medication use, and current smoking. However, these associations were no longer significant when models were additionally adjusted for CAC volume. CAC density was not significantly associated with mortality, either alone or adjusted for CAC volume, in African Americans. Conclusions CAC density is not associated with mortality independent from CAC volume in European Americans and African Americans with type 2 diabetes.
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spelling doaj.art-edbdafce0c0f4ca6a629ad3146024f742022-12-21T17:33:49ZengBMCCardiovascular Diabetology1475-28402018-05-011711810.1186/s12933-018-0714-zAssociations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart StudyLaura M. Raffield0Amanda J. Cox1Michael H. Criqui2Fang-Chi Hsu3James G. Terry4Jianzhao Xu5Barry I. Freedman6J. Jeffrey Carr7Donald W. Bowden8Department of Genetics, University of North Carolina at Chapel HillCenter for Diabetes Research, Wake Forest School of MedicineDepartment of Family and Preventive Medicine, University of CaliforniaCenter for Diabetes Research, Wake Forest School of MedicineDepartment of Radiology and Radiological Sciences, Vanderbilt UniversityCenter for Diabetes Research, Wake Forest School of MedicineDepartment of Internal Medicine—Section on Nephrology, Wake Forest School of MedicineDepartment of Radiology and Radiological Sciences, Vanderbilt UniversityCenter for Diabetes Research, Wake Forest School of MedicineAbstract Background Coronary artery calcified plaque (CAC) is strongly predictive of cardiovascular disease (CVD) events and mortality, both in general populations and individuals with type 2 diabetes at high risk for CVD. CAC is typically reported as an Agatston score, which is weighted for increased plaque density. However, the role of CAC density in CVD risk prediction, independently and with CAC volume, remains unclear. Methods We examined the role of CAC density in individuals with type 2 diabetes from the family-based Diabetes Heart Study and the African American-Diabetes Heart Study. CAC density was calculated as mass divided by volume, and associations with incident all-cause and CVD mortality [median follow-up 10.2 years European Americans (n = 902, n = 286 deceased), 5.2 years African Americans (n = 552, n = 93 deceased)] were examined using Cox proportional hazards models, independently and in models adjusted for CAC volume. Results In European Americans, CAC density, like Agatston score and volume, was consistently associated with increased risk of all-cause and CVD mortality (p ≤ 0.002) in models adjusted for age, sex, statin use, total cholesterol, HDL, systolic blood pressure, high blood pressure medication use, and current smoking. However, these associations were no longer significant when models were additionally adjusted for CAC volume. CAC density was not significantly associated with mortality, either alone or adjusted for CAC volume, in African Americans. Conclusions CAC density is not associated with mortality independent from CAC volume in European Americans and African Americans with type 2 diabetes.http://link.springer.com/article/10.1186/s12933-018-0714-zCoronary artery calcificationPlaque densityType 2 diabetesMortality
spellingShingle Laura M. Raffield
Amanda J. Cox
Michael H. Criqui
Fang-Chi Hsu
James G. Terry
Jianzhao Xu
Barry I. Freedman
J. Jeffrey Carr
Donald W. Bowden
Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
Cardiovascular Diabetology
Coronary artery calcification
Plaque density
Type 2 diabetes
Mortality
title Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
title_full Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
title_fullStr Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
title_full_unstemmed Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
title_short Associations of coronary artery calcified plaque density with mortality in type 2 diabetes: the Diabetes Heart Study
title_sort associations of coronary artery calcified plaque density with mortality in type 2 diabetes the diabetes heart study
topic Coronary artery calcification
Plaque density
Type 2 diabetes
Mortality
url http://link.springer.com/article/10.1186/s12933-018-0714-z
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