Low HDL predicts differential blood pressure effects from two weight-loss approaches: a secondary analysis of blood pressure from a randomized, clinical weight-loss trial.

Turer CB, Bernstein IH, Edelman DE, Yancy WS. Low HDL predicts differential blood pressure effects from two weight-loss approaches: a secondary analysis of blood pressure from a randomized, clinical weight-loss trial. Diabetes, Obesity & Metabolism. 2012 Apr 1; 14(4):375-8.

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Abstract:

Examining predictors of blood-pressure (BP) response to weight-loss diets might provide insight into mechanisms and help guide clinical care. We examined whether certain baseline patient characteristics (e.g. diet, medical history and laboratory tests) predicted BP response to two weight-loss diet approaches that differ in macronutrient content. One hundred and forty-six overweight adult outpatients were randomized to either a low-carbohydrate diet (N = 72) or orlistat plus a low-fat diet (N = 74) for 48 weeks. Predictors of BP reduction were evaluated using a structured approach and random effects regression models. Participants were 56% African-American, 72% male and 53 ( 10) years-old. Of the variables considered, low baseline high-density lipoprotein (HDL) predicted greater reduction in BP in those patients who received the low-carbohydrate diet (p = 0.03 for systolic BP; p = 0.03 for diastolic BP and p = 0.02 for mean arterial pressure). A low HDL level may identify patients who will have greater BP improvement on a low-carbohydrate diet.