Almost half of U.S. adults now have some form of cardiovascular disease, according to the latest annual statistical update from the American Heart Association.
The prevalence is driven in part by the recently changed definition of hypertension, from 140/90 to 130/80 mm Hg, said authors of the American Heart Association Heart Disease and Stroke Statistics–2019 Update.
Cardiovascular disease (CVD) deaths are up, though smoking rates continue to decline, and adults are getting more exercise (Circulation. 2019;139. doi: 10.1161/CIR.0000000000000659).
The update includes a new section on sleep and cardiovascular health, an enhanced focus on social determinants of health, and further evidence-based approaches to behavior change, according to the update’s authors, led by chair Emelia J. Benjamin, MD, professor of medicine and epidemiology at Boston University, and vice chair Paul Muntner, PhD, professor of epidemiology at the University of Alabama, Birmingham.
High blood pressure is an “overwhelming presence” that drives heart disease and stroke and can’t be dismissed in the fight against cardiovascular disease, AHA President Ivor J. Benjamin, MD, said in a statement. “Eliminating high blood pressure could have a larger impact on CVD deaths than the elimination of all other risk factors among women, and all except smoking among men.”
Using data from 2013 to 2016, 46% of adults in the United States had hypertension, and in 2016 there were 82,735 deaths attributable primarily to high blood pressure, according to the update.
Total direct costs of hypertension could approach $221 billion by 2035, according to projections in the report.
After decades of decline, U.S. cardiovascular disease deaths increased to 840,678 in 2016, up from 836,546 in 2015, the report says.
Smoking rate declines represent some of the most significant improvements outlined in the report, according to an AHA news release.
Ninety-four percent of adolescents were nonsmokers in the 2015-2016 period, which is up from 76% in 1999-2000, according to the report. The proportion of adult nonsmokers increased to 79% in 2015-2016, up from 73% in 1999-2000.
The new chapter on the importance of sleep cites data from the Centers for Disease Control and Prevention that only 65.2% of Americans have a healthy sleep duration (at least 7 hours), with even lower rates among non-Hispanic blacks, native Hawaiians and Pacific Islanders, and multiracial non-Hispanic individuals.
Short sleep duration is associated with a higher risk of all-cause mortality, total CVD, and coronary heart disease, according to a meta-analysis cited in the report. Long sleep duration, defined as greater than 8 hours, also was associated with higher risk of all-cause mortality, total CVD, coronary heart disease, and stroke.
Members of the statistical update writing group reported disclosures related to the American Heart Association, National Institutes of Health, Amgen, Sanofi, Roche, Abbott, Biogen, Medtronic, and others.
SOURCE: Benjamin EJ et al. Circulation. 2019 Jan 31.
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