title: Energy expenditure in HIV infection.
abstract: Energy intake recommendations for adults should be based preferably on direct measurements of total daily energy expenditure (TDEE) in corresponding populations who are maintaining healthy body weight and satisfactory physical activity levels. During adolescence, pregnancy, and lactation, energy requirements should be based on TDEE plus the additional energy required to advance these physiologic states. With illness, energy expenditure and energy intake change, but nutritional intervention is not necessarily beneficial. This article reviews data on energy expenditure in HIV infection with a focus on adults, adolescents aged ≥14 y, and pregnant and lactating women. Resting energy expenditure (REE) in adults with untreated asymptomatic HIV is ~ 10% higher than in healthy control subjects. In asymptomatic adults receiving antiretroviral therapy, REE may be similarly increased. HIV wasting and secondary infections are also associated with increased REE. In contrast, TDEE is typically normal in asymptomatic HIV and decreased in HIV wasting and secondary infection. No direct measurements of REE or TDEE are available in adolescents or in pregnant or lactating women with HIV. On the basis of current data, energy intake may need to increase by ~ 10% in adults with asymptomatic HIV to maintain body weight. In adolescents and in pregnant and lactating women with asymptomatic HIV, energy requirements should approximate recommendations for their uninfected counterparts until further data are available. In the resource-rich world, the energy expenditure changes associated with HIV are unlikely to contribute to significant weight loss. More data are needed on energy expenditure in HIV-infected populations from developing nations, where concurrent malnutrition and coinfections are common.
authors.affiliation: Division of Endocrinology, Diabetes and Metabolism, Department of Medicine at the University of Colorado, Aurora, 80045, USA. lisa.kosmiski@ucdenver.edu
authors.forename: Lisa
authors.initials: L
authors.lastname: Kosmiski
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000378:metabolism; D000293:Adolescent; D000328:Adult; D019380:Anti-HIV Agents / Q000627:therapeutic use; D001835:Body Weight; D060085:Coinfection / Q000378:metabolism; D002149:Energy Intake; D004734:Energy Metabolism; D005260:Female; D015658:HIV Infections / Q000150:complications / Q000188:drug therapy / Q000378:metabolism*; D006801:Humans; D007774:Lactation; D009751:Nutritional Requirements; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000378:metabolism*; D019282:Wasting Syndrome / Q000378:metabolism
chemical_list: D019380:Anti-HIV Agents
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