A study at the Intermountain Healthcare, Salt Lake City, shows double (or twice) death risk in patients of coronary artery disease who develop depression after coronary artery disease compared with patients with no depression. This study also shows a bidirectional relationship between heart disease and depression. The study found the risk of depression with the presence of heart disease and worse outcome for heart disease in individuals with depression. The depression risk factor is independent of when the coronary artery disease patient was diagnosed with depression. Authors say this study shows the importance of depression screening and subsequent treatment even years after the patient was diagnosed with coronary artery disease.
A 10-year follow-up study on 24,138 patients of coronary artery disease found that depression was a bigger and independent predictor of death. The study evaluated other risk factors such as age, diabetes or blood sugar levels, heart failure, kidney failure, high blood pressure and having a heart attack or stroke. Angiographies was used to determine coronary artery disease and International Classification of Diseases codes (or ICD codes) was used to identify depression in the patients.
The study could not explain the reasons for the increased death risk for depression. But researchers say heart disease patient with depression may not take his regular medications, may not eat a healthy diet and may not be doing daily exercise. Lead author of the study was Dr. Heidi May, Ph.D., a cardiovascular epidemiologist, Intermountain Medical Center Heart Institute, Salt Lake City, Utah, United States. The study was published 26 July 2017 in the European Heart Journal - Quality of Care and Clinical Outcomes. Title of the article was "The association of depression at any time to the risk of death following the coronary artery disease diagnosis".
The World Health Organization (WHO) says more than seven million individuals are dying in the world every year due to cardiovascular diseases and it is a leading cause of death. The coronary artery disease is one type of cardiovascular diseases (CVD). A study by the researchers from the University College London and the Imperial College London shows a protective effect on coronary artery disease (CAD or coronary heart disease (CHD) or atherosclerosis) with high levels of iron. That means higher risk for heart diseases with low levels of iron. In the study, researchers analyzed genetic data of 48,000 patients. They also say gender and age factors can affect the assessment of cardiovascular disease (CVD) risks with iron levels. Authors of the study say the risk for further heart attacks can be lowered in heart attack patients with low levels of iron by taking iron supplements. Lead author of the study was Dr. Dipender Gill. The study was published on July 6, 2017, in the journal Arteriosclerosis, Thrombosis and Vascular Biology. Title of the article was "The Effect of Iron Status on Risk of Coronary Artery Disease".
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Published by Jammi Vasista, Chennai, India.