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Revista médica de Chile

versión impresa ISSN 0034-9887


MARTINEZ O, Solange et al. Evaluation of a nutritional intervention to reduce cholesterol levels in patients with coronary artery disease. Rev. méd. Chile [online]. 2004, vol.132, n.12, pp.1457-1465. ISSN 0034-9887.

Background: The mainstay of cholesterol reduction therapy is the diet. But the lack of compliance and prescription problems limit its usefulness. Aim: To compare the effectiveness of a nutritional intervention given by a nutritionist with the usual recommendations given by a physician to reduce the LDL cholesterol levels in patients with coronary artery disease, treated at the Regional public hospital in Temuco. Material and Methods: One hundred and forty patients with coronary heart disease (last acute episode at least three months before), without nutritional interventions nor cholesterol-lowering drugs, who gave informed consent, were randomized to receive either instructions by their physician or to take part in a nutritional program. The nutritional intervention consisted in five educational sessions, adapted from the NCEP and from a program of the Nutrition Department of the Catholic University of Chile. Patients randomized to the medical intervention received the standard written recommendations about diet. Lipid profile was measured before the intervention and after a three and twelve months follow up. Results: After one year the group on the nutritional program reduced LDL cholesterol by 11.1% (p=0.03). There were no changes in the medical group. However, only 10% patients on the nutritional intervention group and 8% of those with medical recommendations achieved LDL cholesterol levels less than 100 mg/dl. There were no changes in triglycerides, weight or body mass index during the period. Conclusions: Although this nutritional intervention proved to be more effective than usual medical instructions, most patients on secondary prevention did not achieve acceptable LDL cholesterol levels (Rev Méd Chile 2004; 132: 1457-65)

Palabras clave : Coronary arteriosclerosis; Coronary disease; Lipoproteins; LDL cholesterol.

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