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Higher prevalence of stunting and poor growth outcomes in HIV-exposed uninfected than HIV-unexposed infants in Kenya
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3 15 2022
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Source: AIDS. 36(4):605-610
Details:
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Alternative Title:AIDS
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Personal Author:
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Description:Background:
With the growing population of HIV-exposed uninfected (HEU) children globally, it is important to determine population-level growth differences between HEU and HIV-unexposed uninfected (HUU) children.
Methods:
We analyzed data from a population-level survey enrolling mother-infant pairs attending 6-week and 9-month immunizations in 140 clinics across Kenya. Weight-for-age (WAZ), length-for-age (LAZ), head circumference-for-age (HCAZ) z-scores and underweight (WAZ<−2), stunting (LAZ<−2), and microcephaly (HCAZ<−2), were compared between HEU and HUU. Correlates of growth faltering and poor growth were assessed using generalized Poisson and linear regression models.
Results:
Among 2,457 infants, 456 (19%) were HEU. Among mothers living with HIV, 64% received antiretroviral therapy and 22% were on antiretroviral prophylaxis during pregnancy. At 9-months, 72% of HEU and 98% of HUU were breastfeeding. At 6-weeks, HEU had lower mean WAZ (−0.41 vs. −0.09; p<0.001) and LAZ (−0.99 vs. −0.31; p=0.001) than HUU. Stunting was higher in HEU than HUU at 6-weeks (34% vs 18%, p<0.001) and 9-months (20% vs 10%, p<0.001). In multivariable analyses, HEU had lower mean LAZ at 6-weeks (−0.67, 95%CI: −1.07, −0.26) and 9-months (−0.57, 95%CI: −0.92, −0.21) and HEU had higher stunting prevalence (week-6 adjusted prevalence ratio [aPR]: 1.88, 95%CI: 1.35, 2.63; month-9 aPR: 2.10, 95%CI: 1.41, 3.13). HEU had lower mean head circumference (−0.49, 95%CI: −0.91, −0.07) and higher prevalence of microcephaly (aPR: 2.21, 95%CI: 1.11, 4.41) at 9-months.
Conclusion:
Despite high maternal ART coverage, HEU had poorer growth than HUU in this large population-level comparison. Optimizing breastfeeding practices in HEU may be useful to improve growth.
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Pubmed ID:34750290
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Pubmed Central ID:PMC8985586
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