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Sudden cardiac death risk higher among people living with HIV
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Presumed Sudden Cardiac Death Among HIV-Infected Often Not Due to Coronary Artery Disease
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Living With HIV Raises Odds for Sudden Cardiac Death
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May 12, 2021
Though they’re called resuscitated sudden cardiac arrests, many such events do not, in fact, have an underlying cardiac cause, which has implications for both patient care and clinical research, investigators have found.
Of patients who suffered an out-of-hospital cardiac arrest (OHCA) and survived long enough to be hospitalized in San Francisco County over a roughly 4-year span, most (69.1%) had an underlying arrhythmic cause, but a sizeable minority (27.1%) had noncardiac conditions to blame. Another 3.8% were classified as “nonarrhythmic/cardiac.”
The distinction mattered when it came to the likelihood of a patient surviving that initial hospital stay. The vast majority of survivors (92%) had an underlying arrhythmic cause, and only one had a noncardiac cause. The bulk of the noncardiac group was made up of patients with underlying neurologic conditions like stroke, intracranial hemorrhage, and seizure, all of whom died.
A daily alcoholic drink for women or two for men might be good for heart health, compared to drinking more or not drinking at all. But while there is some evidence that drinking in moderation might prevent heart attacks, now a randomized, double-blinded clinical study of 100 heart patients has added a new wrinkle to the contours of the debate over alcohol and heart disease.Â
UC San Francisco researchers found that alcohol has an immediate effect on the heart in patients with atrial fibrillation (AFib), the most common life-threatening heart-rhythm disorder.Â
In the study, published online Jan. 27, 2021, in the
Journal of the American College of Cardiology: Clinical Electrophysiology, electrical properties that drive the muscles of the heart to contract changed immediately in patients who were randomly assigned to an infusion of alcohol maintained at the lower limit of legal intoxication, compared to an equal number of control subjects who instead received a placebo infusion