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American Journal of Clinical Nutrition, Vol 58, 417-424, Copyright © 1993 by The American Society for Clinical Nutrition, Inc
ORIGINAL RESEARCH COMMUNICATIONS |
DC Macallan, C Noble, C Baldwin, M Foskett, T McManus and GE Griffin
Department of Medicine, St George's Hospital Medical School, London, UK.
Weight loss is a major manifestation of infection with the human immunodeficiency virus (HIV). Prospective analysis of weight change was performed in 30 male subjects with stage IV HIV infection over a period of 9-49 mo and weight change events (> 4 kg) related to contemporaneous clinical events. Two distinct patterns of weight loss were observed: episodes of acute severe weight loss and episodes of chronic unremitting progressive weight loss. Thirty-three acute episodes (median 9.1 kg in 1.7 mo) and 23 chronic episodes (13.2 kg in 9.5 mo) were identified. Twenty-seven of 33 (82%) acute weight-loss episodes were associated with nongastrointestinal opportunistic infections and 15 of 23 (65%) chronic episodes with gastrointestinal disease (P < 0.01). Weight loss was neither inevitable nor unremitting. Periods of weight stability (> 4 mo) occurred in 13 individuals (43%); 35 episodes of weight gain were identified, mostly related to recovery from opportunistic infection. These findings have important implications for our understanding of the natural history of weight loss in HIV infection.
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