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25 Juillet 2018

Reduced Risk of Cardiovascular Events with Med Diet and EVOO or Nuts


Spanish researchers found people suffered fewer heart attacks and strokes when following a Mediterranean diet (MedDiet), supplemented with extra virgin olive oil or nuts, compared to those following a low-fat diet. The results build on observational studies that have shown an inverse relationship between adherence to the MedDiet and cardiovascular risk.

Lead author Ramón Estruch and colleagues at the Instituto de Salud Carlos III in Madrid studied 7,447 participants who ranged in age from 55 to 80 and were at a heightened risk of cardiovascular events. They randomized the individuals to follow one of three diets: a MedDiet supplemented with extra virgin olive oil, a MedDiet supplemented with nuts and a control diet involving advice to cut back on fat intake. All three groups received dietary counseling and were evaluated for dietary adherence. The duration of the experiment was 4.8 years.

A heart attack, stroke or death from cardiovascular disease occurred in 288 participants: 96 in the MedDiet with extra virgin olive oil group, 83 in the MedDiet with nuts group and 109 in the control group.

This data translated into incidence rates of 8.1, 8.0, and 11.2 per 1,000 person-years, respectively. Rates of cardiovascular events were lower in individuals with better adherence to the MedDiet, the researchers noted.

“These results support previously reported benefits of the Mediterranean diet for cardiovascular risk reduction from a randomized trial. Our findings are also consistent with those of previous observational studies,” the authors said.



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