Impact of Statin Drugs and Mediterranean Diet on Cardiovascular Health

Overview of Statin Treatment

Statin drugs serve as a primary treatment option for individuals with a history of cardiovascular diseases, including heart attacks and strokes. Alongside pharmacological treatments, lifestyle changes, particularly a healthy diet, are advocated to prevent cardiovascular issues.

Benefits of the Mediterranean Diet

A substantial amount of evidence from observational studies indicates that the Mediterranean diet, characterized by high consumption of fruits, vegetables, olive oil, fish, and legumes while being low in meat and dairy, offers significant health benefits.

Research Study in Italy

Researchers in Italy investigated the effects of adhering to a Mediterranean diet on the overall and cardiovascular-related mortality rates in patients with cardiovascular disease who are also on statin therapy. Their findings were published in the International Journal of Cardiology.

Study Design and Findings

The study involved 1,180 participants with a history of cardiovascular disease. Their adherence to the Mediterranean diet was assessed using a Mediterranean diet score, and they were monitored for a median period of 7.9 years.

Reduced Risk of Mortality

Results indicated that following a Mediterranean diet is linked to a decreased risk of both overall and cardiovascular-related death, irrespective of statin use. Participants who adhered more closely to the Mediterranean diet exhibited a 32% lower risk of overall mortality. In contrast, low doses of statins were associated only with a marginal reduction in overall mortality, with no significant impact on cardiovascular death risk.

Interaction Between Diet and Statins

The researchers further examined the interaction between Mediterranean diet adherence and statin use. They found that the risk of cardiovascular death was significantly lower in participants who used statins and had average or high adherence to the Mediterranean diet compared to those with poor adherence or those not using statins. This finding suggests a beneficial interaction between statins and the Mediterranean diet, contributing to reduced cardiovascular disease and mortality risk.

Inflammation and Dietary Impact

The study also posits that the combination of the Mediterranean diet and statin medication positively influences inflammation pathways, leading to reduced inflammation rather than merely impacting lipid levels. This is particularly significant given that elevated inflammation levels have been shown to double the mortality risk in individuals with a history of heart attacks or strokes.

Conclusions and Future Research

The study concludes that the combination of statin drugs and adherence to a traditional Mediterranean diet significantly lowers the risk of cardiovascular death. While the long-term follow-up and real-life study design strengthen the findings, limitations include reliance on self-reported dietary adherence and the inability to continuously monitor inflammatory and lipid levels throughout the study duration. Future randomized controlled trials are necessary to further clarify the relationship between the Mediterranean diet and statin drugs concerning cardiovascular disease and mortality.

References

Bonaccio, M., Castelnuovo, A. D., Costanzo, S., Persichillo, M., Curtis, A. D., Cerletti, C., . . . Iacoviello, L. (2018). Interaction between Mediterranean diet and statins on mortality risk in patients with cardiovascular disease: Findings from the Moli-sani Study. International Journal of Cardiology, 276, 248-254. doi:10.1016/j.ijcard.2018.11.117

Bonanni, A. (2018, December 21). Statins are more effective for those who follow the Mediterranean diet. Retrieved January 15, 2019, from https://www.eurekalert.org/pub_releases/2018-12/inmn-sam122118.php