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Trop Med Int Health ; 27(11): 990-998, 2022 11.
Artículo en Inglés | MEDLINE | ID: mdl-36183175

RESUMEN

OBJECTIVES: Until late 2015, Botswana recommended preventive treatment for pregnant women in malarial regions with chloroquine and proguanil (CP). The guideline change provided an opportunity to evaluate CP and adverse birth outcomes. METHODS: The Tsepamo Study performed birth outcomes surveillance at large delivery centres throughout Botswana. We evaluated adverse birth outcomes from 2015 to 2017 at three hospitals where 93% of CP use was recorded. Outcomes included neonatal death (NND), small for gestational age (SGA), very SGA, stillbirth (SB), preterm delivery (PTD) and very PTD. Logistic regression analysis (unadjusted and adjusted) was conducted for each adverse birth outcome. RESULTS: During the study period, 5883 (26%) of 23,033 deliveries were exposed to CP, with the majority (65%) in the most malaria-endemic region. At this site, there was a trend or an association between CP use and reduction of three adverse birth outcomes: PTD (aOR 0.85, 95% CI 0.76-0.96), vPTD (aOR 0.83, 95% CI 0.68-1.01) and NND (aOR 0.65, 95% CI 0.42-1.00). However, at the least malaria-endemic site, the association was in the opposite direction for SB (aOR 1.54, 95% CI 1.08-2.22), SGA (aOR 1.24, 95% CI 1.06-1.44) and vSGA (aOR 1.42, 95% CI 1.14-1.77). The association between CP and reduced PTD was present among women without HIV (aOR 0.77, 95% CI 0.67-0.89) but not among women with HIV (aOR 1.09, 95% CI 0.78-1.35). CONCLUSIONS: Antimalarial prophylaxis was associated with improved birth outcomes in the most malaria-endemic region of Botswana, but not elsewhere. This finding supports current WHO guidance to use prophylaxis strategies among pregnant women in highly malaria-endemic regions. Further studies of the risks and benefits of specific antimalarial regimens in pregnancy are warranted, particularly in areas with lower incidence of malaria.


Asunto(s)
Antimaláricos , Infecciones por VIH , Malaria , Complicaciones Infecciosas del Embarazo , Nacimiento Prematuro , Recién Nacido , Femenino , Embarazo , Humanos , Antimaláricos/uso terapéutico , Mujeres Embarazadas , Botswana/epidemiología , Infecciones por VIH/complicaciones , Infecciones por VIH/prevención & control , Infecciones por VIH/tratamiento farmacológico , Complicaciones Infecciosas del Embarazo/tratamiento farmacológico , Complicaciones Infecciosas del Embarazo/prevención & control , Malaria/complicaciones , Mortinato/epidemiología , Cloroquina/uso terapéutico , VIH , Nacimiento Prematuro/epidemiología , Nacimiento Prematuro/prevención & control , Nacimiento Prematuro/inducido químicamente , Resultado del Embarazo/epidemiología
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