Dataset Information

A National Population-based Study of Adults With Coronary Artery Disease and Coarctation of the Aorta.

ABSTRACT: Adults with repaired coarctation of the aorta (CoA) suffer reduced long-term survival compared with the general population, in part due to coronary artery disease (CAD). There is conflicting evidence as to whether or not CoA is an independent risk factor for CAD. The primary aim was to determine if CoA is independently associated with premature myocardial infarction (MI) in the contemporary era. The secondary aim was to determine if CoA is independently associated with early coronary intervention. In a cross-sectional study using the National Inpatient Sample database from 2005 to 2014, we compared the age at MI and the age at coronary intervention (coronary artery bypass grafting or percutaneous coronary intervention, in the absence of MI diagnosis) in patients with and without CoA using weighted linear regression. Among 5,472,416 observations with a primary diagnosis of MI, 174 had a diagnosis of CoA. Patients with CoA had MI 7.2 years younger than those without CoA, after adjusting for potential confounders (95% CI -11.3, -3.1, p?=?0.001). Among 3,631,718 patients without a diagnosis of MI who underwent coronary artery bypass grafting or percutaneous coronary intervention, 279 had a diagnosis of CoA. Patients with CoA who underwent coronary intervention were 15.6 years younger than those without CoA, after adjusting for potential confounders (95% CI -18.3, -12.9, p < 0.001). In conclusion, patients with CoA have MI at a slightly younger age and undergo coronary intervention at a significantly younger age than those without CoA in the contemporary era. Our findings support continued close surveillance for and treatment of modifiable risk factors for CAD.

SUBMITTER: Pickard SS

PROVIDER: S-EPMC6260783 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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A National Population-based Study of Adults With Coronary Artery Disease and Coarctation of the Aorta.

Pickard Sarah S SS Gauvreau Kimberlee K Gurvitz Michelle M Gagne Joshua J JJ Opotowsky Alexander R AR Jenkins Kathy J KJ Prakash Ashwin A

The American journal of cardiology 20180921 12

Adults with repaired coarctation of the aorta (CoA) suffer reduced long-term survival compared with the general population, in part due to coronary artery disease (CAD). There is conflicting evidence as to whether or not CoA is an independent risk factor for CAD. The primary aim was to determine if CoA is independently associated with premature myocardial infarction (MI) in the contemporary era. The secondary aim was to determine if CoA is independently associated with early coronary interventio ...[more]

PMID: 30318418

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Project description:BackgroundThe general population is ubiquitously exposed to the toxic metal cadmium through the diet and smoking. Cadmium exposure is associated with increased morbidity and mortality in myocardial infarction and stroke. Atherosclerosis is the main underlying mechanism of myocardial infarction. However, associations between cadmium and coronary artery atherosclerosis have not been examined.ObjectivesOur study sought to examine the hypothesis that blood cadmium (B-Cd) is positively associated with coronary artery calcification, as a measure of coronary artery atherosclerosis in the population-based Swedish SCAPIS study.MethodsOur analysis included 5,627 individuals (51% women), age 50-64 y, enrolled from 2013 to 2018. The coronary artery calcium score (CACS) was obtained from computed tomography. Blood cadmium was determined by inductively coupled plasma mass spectrometry (ICP-MS). Associations between B-Cd and coronary artery calcium score (CACS Agatston score) were evaluated using prevalence ratios (PRs) in models adjusted for sex, age, smoking, hypertension, diabetes, low-density cholesterol/high-density cholesterol ratio, and family history.ResultsThe median B-Cd concentration was 0.24μg/L. The prevalence of positive coronary artery calcium (CACS>0) was 41% and the prevalence of CACS≥100 was 13%. Relative to the lowest quartile (Q) of B-Cd (<0.16μg/L), the highest quartile (median 0.63μg/L) was associated with a small but significant increase in CACS>0 (PR 1.1; 95% CI: 1.0, 1.3), and a greater relative increase in CACS≥100 (PR 1.6; 95% CI: 1.3, 2.0). When restricted to 2,446 never-smokers, corresponding PRs were 1.1 (95% CI 0.9, 1.3) for CACS>0 (63 cases in Q4) and 1.7 (95% CI 1.1, 2.7) for CACS≥100 (17 cases in Q4).DiscussionBlood cadmium in the highest quartile was associated with CACS in a general population sample with low to moderate cadmium exposure. This supports the hypothesis that atherosclerosis is an important mechanism underlying the associations between cadmium and incident cardiovascular disease. The findings suggest that public health measures to reduce cadmium exposure are warranted. https://doi.org/10.1289/EHP8523.

Dataset Information

A National Population-based Study of Adults With Coronary Artery Disease and Coarctation of the Aorta.

Publications

A National Population-based Study of Adults With Coronary Artery Disease and Coarctation of the Aorta.

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