Quick Facts

• Heart disease patients eating pro-inflammatory diets had 82% higher risk of major cardiac events compared to those eating anti-inflammatory diets
• Major cardiac events occurred in 29.6% of high-inflammatory diet group versus 11.2% in the low-inflammatory group
• Each 1-unit increase in inflammatory diet score linked to 21% higher risk of cardiac events

Heart disease patients who eat pro-inflammatory diets face an 82% higher risk of major cardiac events compared to those following anti-inflammatory eating patterns, according to new research published in Frontiers in Nutrition.

The study followed 500 adults with established coronary heart disease for a median of 38 months. Researchers used the Dietary Inflammatory Index to score participants’ diets based on their potential to increase or decrease inflammation.

Major cardiac events struck 29.6% of patients eating the most inflammatory diets. Only 11.2% of those following the least inflammatory diets experienced such events.

“Chronic low-grade inflammation can destabilize arterial plaques, promote blood clot formation, and accelerate the progression of cardiovascular disease,” researchers noted. “For someone whose arteries are already compromised, this inflammatory burden may tip the scales toward a cardiac event.”

The study also found that those in the highest inflammatory diet group had a 68% higher risk of death from any cause during the follow-up period.

Anti-Inflammatory Foods Offer Protection

Diets rich in processed foods and refined ingredients scored as more inflammatory. Those high in plant foods and healthy fats typically scored as anti-inflammatory.

Kristin Kirkpatrick, a registered dietitian at Cleveland Clinic, recommends emphasizing “100% whole grains, healthy fats. So definitely the olive oils, omega 3 fatty acids” while avoiding “sugar, which is the big one.”

The Mediterranean diet represents the most well-researched anti-inflammatory eating pattern. It emphasizes fruits, vegetables, whole grains, and healthy fats.

Making Practical Changes

Experts suggest starting with small changes for long-term success. Examples include having a salad three or four days a week instead of eating out for lunch, or committing to fish for dinner twice weekly.

Anyone managing heart disease should work with their healthcare team or a registered dietitian to create an eating plan that fits their specific needs and preferences.

The research represents growing evidence for food as medicine in cardiovascular care. It provides concrete data showing how dietary choices can dramatically impact outcomes in heart disease patients.

Read more: Study Shows This Diet Raises Cardiac Event Risk By 82% In Heart Disease Patients