Abstract
Background Immune activation and inflammation are common symptoms throughout HIV infection and lead to elevated circulating concentrations of cachectic cytokines. Aims To evaluate cachexia-like symptoms among HIV-positive and HIV-negative pregnant women, and investigate whether cachexic mechanisms may contribute to impaired HIV-exposed fetal and infant growth. Methods Pregnant women (n=114; 39% HIV-positive) were prospectively enrolled from an antenatal clinic in semi-rural Tanzania. Maternal cachexia-associated plasma cytokines and hormones, and clinical and anthropometric data were assessed. Cachexia scores were quantified using a novel adaptation of a validated cachexia scoring system. Infant growth anthropometry was measured at birth and after 6 months. Results Maternal cachexia score was inversely associated with infant birth weight, birth length, and weight-for-age z-score at 6 months. Conclusions Symptoms consistent with a mild cachectic state were associated with poorer infant outcomes. This effect was greater for HIV-exposed infants. A better understanding of the maternal cachexia burden and implications for maternal and infant health in HIV, other infections, and inflammatory conditions is needed.
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