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Irvine, Calif., Aug. 25, 2020 A new study finds women with diabetes and significant levels of calcium in their coronary arteries have higher rates of death from cardiovascular disease and all causes than their male counterparts.

Published in the American Diabetes Association journal,Diabetes Care,researchers from the University of California, Irvine School of Medicine and Cedars-Sinai Medical Center compared the sex-specific impact of coronary artery calcium (CAC) levels in adults with diabetes.CAC was used to predict cardiovascular and all-cause mortality in patients with diabetes. The results of this comparison showed greater CAC predicts cardiovascular and total mortality more strongly in women.

We showed that coronary calcium scores of greater than 100 in a woman with diabetes was associated with higher death rates from cardiovascular diseases and all causes than similar calcium scores in women than in man with diabetes, saidNathan D.Wong, PhD, professor and director for UCIs Heart Disease Prevention Program, and the lead author for the study.

Wongand colleagues studied 4,503 adults with diabetes from a national registry of patients who received coronary calcium heart scans from computed tomography and were followed for causes of death over more than 11 years. Death rates from cardiovascular disease in those who had coronary calcium scores of 101-400 or more, were approximately twice as high in women compared to men. Total death rates in these patients were also higher in women than in men. In analyses adjusted for age and other potential confounders, compared to those with calcium scores of 0, women who had calcium scores of 101-400 and 401 or greater had cardiovascular deaths that were 3.7 and 6.3-fold greater, respectively, compared to men whose risks were 1.6 and 3.5-fold greater, respectively.

Our findings, showing significant levels of coronary calcium to predict mortality from cardiovascular causes more strongly in women than men with diabetes, might also help to explain the poorer prognosis for cardiovascular disease that has been observed for decades in women compared to men with diabetes, saidWong.

Conversely, very low death rates from coronary heart disease and cardiovascular disease seen in those with diabetes who had negative scans (calcium scores of 0), comprising 39 percent of women and 20 percent of men in our study, underscore the point that not all persons with diabetes are risk equivalents for cardiovascular disease, as has been the common belief for decades, noted Cedars-Sinai Medical CentersDaniel Berman, MD, senior author of the study.

Our findings suggest a call-to-action for even more aggressive risk factor management in a woman with diabetes found to have significant levels of coronary calcium to prevent future death from cardiovascular causes saidWong. Previous research conducted byWongand colleagues, has shown rates of cardiovascular disease to be 60 percent lower in those who are well-controlled for blood sugar, cholesterol, and blood pressure.

The study population was part of the CAC Consortium, directed byMichael Joseph Blaha, MD, MPH, from Johns Hopkins School of Medicine. UCIs Amber Cordola-Hsu, PhD, co-led the study withWong.

This study was funded in part by the National Institutes of Health and the American Heart Association.

About the UCI School of Medicine: Each year, the UCI School of Medicine educates more than 400 medical students, and nearly 150 doctoral and masters students. More than 700 residents and fellows are trained at UCI Medical Center and affiliated institutions. The School of Medicine offers an MD; a dual MD/PhD medical scientist training program; and PhDs and masters degrees in anatomy and neurobiology, biomedical sciences, genetic counseling, epidemiology, environmental health sciences, pathology, pharmacology, physiology and biophysics, and translational sciences. Medical students also may pursue an MD/MBA, an MD/masters in public health, or an MD/masters degree through one of three mission-based programs: the Health Education to Advance Leaders in Integrative Medicine (HEAL-IM), the Leadership Education to Advance Diversity-African, Black and Caribbean (LEAD-ABC), and the Program in Medical Education for the Latino Community (PRIME-LC). The UCI School of Medicine is accredited by the Liaison Committee on Medical Accreditation and ranks among the top 50 nationwide for research. For more information, visitsom.uci.edu.

About the University of California, Irvine: Founded in 1965, UCI is the youngest member of the prestigious Association of American Universities. The campus has produced three Nobel laureates and is known for its academic achievement, premier research, innovation and anteater mascot. Led by Chancellor Howard Gillman, UCI has more than 36,000 students and offers 222 degree programs. It is located in one of the worlds safest and most economically vibrant communities and is Orange Countys second-largest employer, contributing $5 billion annually to the local economy. For more on UCI, visit http://www.uci.edu.

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Women with diabetes and high levels of coronary artery calcium at greater risk of death than men - UCI News

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