Randomized Clinical Trials (RCTs) have been consolidated as a paradigmatic and hegemonic model of level of evidence. However, an integrated quantitative and qualitative approach has gained visibility on the international agenda given its contributions to health research and practice. To discuss the epistemological challenges and empirical learning of qualitative research and the integration of clinical and qual...
Background: Appropriate dietary recommendations represent a key part of secondary prevention in cardiovascular disease (CVD). We evaluated the effectiveness of the implementation of a nutritional program on quality of diet, cardiovascular events, and death in patients with established CVD. Methods: In this open-label, multicenter trial conducted in 35 sites in Brazil, we randomly assigned (1:1) patients aged 45...