期刊
EUROPEAN JOURNAL OF CLINICAL NUTRITION
卷 60, 期 2, 页码 163-171出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.ejcn.1602281
关键词
tuberculosis; HIV; body composition; wasting; bioelectrical impedance analysis
资金
- NIAID NIH HHS [U01 AI 45441-01] Funding Source: Medline
Objective: To examine the impact of HIV coinfection, socioeconomic status (SES) and severity of tuberculosis (TB) on the body composition and anthropometric status of adults with pulmonary TB. Design: Cross-sectional study. Setting: Five TB clinics in Dar es Salaam, Tanzania. Subjects: A total of 2231 adult men and women diagnosed with pulmonary TB, prior to the initiation of anti-TB therapy. Methods: We compared the distribution of anthropometric characteristics including body mass index (BMI), mid-upper arm circumference (MUAC), triceps skin-fold (TSF), and arm muscle circumference (AMC) by HIV status, SES characteristics, and indicators of TB severity ( bacillary density in sputum and Karnofsky performance score). Similar comparisons were carried out with body composition variables from bioelectrical impedance analysis and albumin concentrations, in a subsample of 731 subjects. Results: In multivariate analysis, HIV infection was significantly associated with lower MUAC and AMC in both men and women, but not with BMI or TSF. Compared to HIV-uninfected women, those who were HIV infected had lower body cell mass (BCM) ( adjusted difference -0.85 kg, P = 0.04), intracellular water (-0.681, P = 0.04), and phase angle (-0.52, P = 0.02). Albumin concentrations were significantly lower in both men and women infected with HIV. Among HIV-infected men, CD4 cell counts <200/ mm(3) were related to lower intracellular water, BCM, fat-free mass and phase angle. Independent of HIV infection, BMI and MUAC were positively related to SES indicators and the Karnofsky performance score; and inversely related to bacillary density. Conclusions: HIV infection is associated with indicators of low lean body mass in adults with TB; socioeconomic factors and TB severity are important correlates of wasting, independent of HIV.
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