The PREvention of recurrent arrhythmias with the Mediterranean diet (PREDIMAR) study is a 2-year multicenter, randomized, controlled, single-blinded trial that aims to assess the effect of a Mediterranean diet enriched with extra virgin olive oil on the secondary prevention of atrial fibrillation. A new study analyzed the effectiveness of the remote intervention used in PREDIMAR for adherence to the Mediterranean diet, which included phone contacts (1 per 3 months) and dietary counseling through a web page, a mobile app, and printed resources. After 24 months of follow-up, increased adherence to the Mediterranean diet was observed in both groups, but improvement was significantly higher in the intervention group than in the control group. Despite the difficulties of a remote follow up and intervention, the use of online resources and phone calls can increase the overall adherence to a Mediterranean diet among patients with atrial fibrillation after catheter ablation.
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