Scientists from the University of Alabama found that diet may affect people’s risk of sudden cardiac death.
The research is published in the Journal of the American Heart Association and was conducted by Dr. James M. Shikany et al.
Diet is known to influence heart health. Experts recommend a diet low in sodium and saturated fat to reduce the risk of heart disease.
A heart-healthy diet also includes plenty of vegetables, fruits, and whole grains.
Research shows that the Mediterranean diet—full of fruits, vegetables, fish, cereals, and legumes, with little meat and dairy—may reduce the risk of heart disease.
Few studies have examined the relationship between overall diet and sudden cardiac death, a common cause of death in the United States.
In sudden cardiac death, the heart abruptly stops beating, leading to death within an hour of symptoms. Small studies have suggested that the Mediterranean diet may lower the risk of sudden cardiac death.
In the study, the team examined whether dietary patterns are associated with the risk of sudden cardiac death.
They analyzed the diets of more than 21,000 participants using a food questionnaire at the start of the study. Participants were asked how often and in what quantities they ate 110 foods in the past year.
Based on the questionnaire responses, researchers calculated a Mediterranean diet score.
They also identified five dietary patterns. One, which they termed the “Southern” eating pattern, has large amounts of added fats, fried food, eggs, organ and processed meats, and sugar‐sweetened beverages.
They also recorded any heart-related events over an average of 10 years.
More than 400 sudden cardiac deaths occurred during the study.
The team showed that regularly eating a Southern-style diet may increase the risk of sudden cardiac death, while consuming a Mediterranean diet may reduce the risk.
Participants with a Southern dietary pattern had a 46% higher risk of sudden cardiac death than those with the lowest adherence.
In contrast, people closely following the Mediterranean diet had a 26% lower risk of sudden cardiac death than others with the least adherence.
Among those with no coronary heart disease at the start of the study, those closely following the Mediterranean diet had a big 41% reduction in risk of sudden cardiac death compared to those with the least adherence.
These results suggest that diet may be a modifiable risk factor for sudden cardiac death.
These results support other findings that improving your diet can have a significant effect on heart health.
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