Common blood pressure medications ACEIs and ARBs provide equal control

October 18, 2017

The report, which analyzed published results from 61 studies, also found that ACEIs are slightly more likely than ARBs to cause a harmless but persistent dry cough. A summary of the report will be posted on-line in the Annals of Internal Medicine.

Authors of the report also said that more research is needed to learn how ACEIs and ARBs may differ when it comes to longer term benefits and harms. In particular, more information is needed about how the medications may differ in decreasing the risks of heart attack, stroke, or death.

"An enormous number of Americans have high blood pressure, and we need to provide them with the best information possible about their medications' potential benefits and harms,??? said AHRQ Director Carolyn M. Clancy, M.D. ???This report summarizes the current scientific evidence on these medications and helps set the agenda for needed research.???

Blood pressure is the force of blood pushing against artery walls. The cause of high blood pressure (140/90 mmHg or higher) is often unknown. Systolic pressure measures pressure during a heartbeat. Diastolic pressure measures pressure between beats. Because it typically has no symptoms, high blood pressure ?? also known as hypertension ?? is often called ???the silent killer.???

More than 65 million American adults ?? about one-third of the adult population ?? have high blood pressure. If left untreated, high blood pressure can cause catastrophic health problems: the heart may enlarge, which can lead to heart failure; small bulges ?? aneurysms ?? may form in blood vessels, including the aorta (the main artery to the heart) and others in the brain, legs, and intestines; blood vessels in the kidney may narrow, causing kidney failure; blood vessels in the eyes may burst or bleed, possibly leading to blindness; and arteries throughout the body may "harden" faster, potentially leading to heart attack or stroke.

The AHRQ-funded study, completed by the Agency's Duke University Evidence-based Practice Center in Durham, N.C., compared both the benefits and harms of ACEIs and ARBs. Both classes of drugs control blood pressure effectively by targeting a key hormone that helps regulate blood pressure. The AHRQ-funded study did not include other blood pressure treatments such as diuretics or beta blockers.


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