Dietary Glycemic Index of Human Immunodeficiency Virus-Positive Men with and without Fat Deposition
Department of Public Health and Family Medicine, Tufts University School of Medicine, Boston, MA 02111, USA.Journal of the American Dietetic Association (Impact Factor: 3.92). 06/2006; 106(5):728-32. DOI: 10.1016/j.jada.2006.02.007
This study focused on dietary glycemic index because insulin resistance can be important in the pathogenesis of fat deposition in human immunodeficiency virus (HIV). We evaluated differences in past dietary glycemic intake between men with HIV who developed fat deposition and those who did not. This was a nested case-control study consisting of 37 cases and 37 controls from the Nutrition for Healthy Living cohort. Food records from 6 to 24 months prior to development of fat deposition in cases were analyzed and compared with controls. Cases were defined as men with a waist-to-hip ratio >0.95 and body mass index (calculated as kg/m(2)) between 23 and 26. Controls were matched by age, race, body mass index, highly active antiretroviral therapy use, and CD4 count. Food records were analyzed using t tests for normally distributed nutrients and Wilcoxon rank-sum tests for nutrients with skewed distributions. Glycemic index was calculated for each meal and day. There was no significant difference in glycemic index for meals and day between participants with or without fat deposition. Both groups had a moderate dietary glycemic index intake. This study showed no association between dietary glycemic index and development of fat deposition in HIV. Instead, results of this study depict the potential benefits associated with eating high-quality diets, primarily adequate fiber and protein intake. Diet can be important in preventing development of fat deposition in patients with HIV.
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