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Comparative Study
. 2020 Mar;40(3):445-455.
doi: 10.1038/s41372-019-0541-4. Epub 2019 Oct 31.

Short-term outcomes of HIV-exposed and HIV-unexposed preterm, very low birthweight neonates: a longitudinal, hospital-based study

Linda J Riemer  1   2 , Stanzi M Le Roux  2 , Michael C Harrison  1   2 , Lloyd Tooke  3   4
Affiliations
Comparative Study

Short-term outcomes of HIV-exposed and HIV-unexposed preterm, very low birthweight neonates: a longitudinal, hospital-based study

Linda J Riemer et al. J Perinatol. 2020 Mar.

Abstract

Objective: To compare short-term outcomes of very low birthweight (VBLW, <1500 g) neonates by maternal HIV status.

Design: Retrospective hospital-based cohort in Cape Town, South Africa.

Results: Of 1579 mothers, 316 (20%) were HIV-positive; 183/316 (58%) received ≥8 weeks of antenatal antiretrovirals. HIV-exposed neonates (HIVE, vs HIV-unexposed, HIVU) had increased risk of necrotising enterocolitis (NEC; OR 1.93, 95% CI 1.27-2.92) and invasive ventilation (OR 1.35, 95% CI 1.01-1.79). Extremely low birthweight (ELBW, <1000 g) modified the HIV-exposure-mortality relationship: among ELBW neonates, HIVE vs HIVU mortality OR 1.75 (95% CI 1.13-2.69); among non-ELBW, OR 0.89 (95% CI 0.54-1.49). Antiretrovirals (≥8 vs <8 weeks/none) reduced NEC (OR 0.46, 95% CI 0.22-0.97) and invasive ventilation risks (OR 0.57, 95% CI 0.32-0.99). HIV-PCR results were available for 228/316 (72%) HIVE neonates; 11/228 (5%) tested positive.

Conclusions: Among VLBW neonates, HIV-exposure was associated with increased risk of adverse short-term outcomes; antenatal antiretrovirals were protective.

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References

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