Key takeaways from three landmark heart studies #AHAScientif
Three critical research studies aimed at better understanding sudden cardiac arrest were presented recently at the AHA Scientific Sessions.

The three studies presented today all establish connections between sudden cardiac arrest and specific health conditions:

An Association Between Multiple Sclerosis and Sudden Cardiac Death

Investigators found patients with multiple sclerosis have a five-fold higher incidence of sudden cardiac arrest over the general U.S. population. This observational study evaluated clinical characteristics of individuals who suffered cardiac arrest in the community. While the reasons for this finding need to be investigated, the brain has established links with heart function and could be influencing electrical function of the heart.

Enhancement of Sudden Death Risk Prediction in Patients With Left Ventricular Hypertrophy

Patients with left ventricular hypertrophy (LVH) also have a higher risk of sudden cardiac arrest, but until now, researchers have been unable to identify which patients are at highest risk. Using a novel electrocardiography risk score, Chugh and his research team can better identify patients with intermediate or high-risk LVH. They plan to test their findings in a larger group of patients.

Does Left Ventricular Hypertrophy Explain the Increased Sudden Death Risk in Obesity?

Obesity is a known risk factor of sudden cardiac arrest, as is LVH. This research study aimed to find if a correlation exists between obesity and LVH, or if they are independent of one another. Chugh's research suggests that both are independent predictors of sudden cardiac arrest and each have their own deadly properties. Next steps are to understand if being both obese and having LVH doubles the risk of sudden cardiac arrest.

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