In Utero Exposure to Antiretroviral Drugs: Effect on Birth Weight and Growth Among HIV-exposed Uninfected Children in Brazil.

Hofer, Cristina Barroso; Keiser, Olivia; Zwahlen, Marcel; Lustosa, Carla Sepulveda; Frota, Ana Cristina Cisne; de Oliveira, Ricardo Hugo; Abreu, Thalita F; Carvalho, Alice Weber; Araujo, Lucia Evangelista; Egger, Matthias (2016). In Utero Exposure to Antiretroviral Drugs: Effect on Birth Weight and Growth Among HIV-exposed Uninfected Children in Brazil. Pediatric infectious disease journal, 35(1), pp. 71-77. Lippincott Williams & Wilkins 10.1097/INF.0000000000000926

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BACKGROUND There are concerns about the effects of in utero exposure to antiretroviral drugs (ARVs) on the development of HIV-exposed but uninfected (HEU) children. The aim of this study was to evaluate whether in utero exposure to ARVs is associated with lower birth weight/height and reduced growth during the first 2 years of life. METHODS This cohort study was conducted among HEU infants born between 1996 and 2010 in Tertiary children's hospital in Rio de Janeiro, Brazil. Weight was measured by mechanical scale, and height was measured by measuring board. Z-scores for weight-for-age (WAZ), length-for-age (LAZ) and weight-for-length were calculated. We modeled trajectories by mixed-effects models and adjusted for mother's age, CD4 cell count, viral load, year of birth and family income. RESULTS A total of 588 HEU infants were included of whom 155 (26%) were not exposed to ARVs, 114 (19%) were exposed early (first trimester) and 319 (54%) later. WAZ were lower among infants exposed early compared with infants exposed later: adjusted differences were -0.52 (95% confidence interval [CI]: -0.99 to -0.04, P = 0.02) at birth and -0.22 (95% CI: -0.47 to 0.04, P = 0.10) during follow-up. LAZ were lower during follow-up: -0.35 (95% CI: -0.63 to -0.08, P = 0.01). There were no differences in weight-for-length scores. Z-scores of infants exposed late during pregnancy were similar to unexposed infants. CONCLUSIONS In HEU children, early exposure to ARVs was associated with lower WAZ at birth and lower LAZ up to 2 years of life. Growth of HEU children needs to be monitored closely.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine

UniBE Contributor:

Keiser, Olivia; Zwahlen, Marcel and Egger, Matthias

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

0891-3668

Publisher:

Lippincott Williams & Wilkins

Language:

English

Submitter:

Doris Kopp Heim

Date Deposited:

07 Jun 2016 15:08

Last Modified:

02 Jan 2017 02:30

Publisher DOI:

10.1097/INF.0000000000000926

PubMed ID:

26741583

BORIS DOI:

10.7892/boris.83623

URI:

https://boris.unibe.ch/id/eprint/83623

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