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BMC Pregnancy Childbirth ; 20(1): 208, 2020 Apr 09.
Artículo en Inglés | MEDLINE | ID: mdl-32272914

RESUMEN

BACKGROUND: Preeclampsia is the major cause of maternal morbidity and mortality in developing countries. Magnesium sulfate is considered first-line therapy against eclampsia and magnesium deficiency in pregnancy has been associated with unfavourable perinatal outcomes. However there are doubts if magnesium supplementation during pregnancy can previne preeclampsia especially in population with high nutritional risk. This trial aims to verify the effect of oral magnesium supplmentation on preeclampsia incidence in low income pregnant women. METHODS: This randomized, double-blind, placebo-controlled trial investigated the effect of oral magnesium citrate supplementation for preeclampsia in low-income Brazilian pregnant women, i.e. annual per capita income of US$ 1025 or less. Participants were admitted to the study with gestational age between 12 and 20 weeks. Magnesium serum level was measured pre-randomization and participants with hypermagnesemia were excluded. After randomizationg participants received magnesium citrate capsule (300 mg magnesium citrate) or a daily placebo capsule, until delivery. Intent-to-treat analysis was performed. RESULTS: A total of 416 pregnant women were screened and 318 enrolled according to the inclusion criteria; 159 for each arm. Twenty-eight pregnant women were lost to follow-up. 55/290 (18.9%) of pregnant women developed preeclampsia; 26/143 (18.1%) in magnesium group and 29/147 (19.7%) in the control group; OR 0.90 (CI 95% 0.48-1.69), p = 0.747. No cases of eclampsia were registered. CONCLUSION: Oral magnesium supplementation did not reduce preeclampsia incidence in low-income and low-risk pregnant women. TRIAL REGISTRATION: Registered at ClinicalTrials.gov (Identifier NCT02032186), December 19, 2013.


Asunto(s)
Deficiencia de Magnesio/tratamiento farmacológico , Sulfato de Magnesio/uso terapéutico , Preeclampsia/tratamiento farmacológico , Adulto , Brasil , Suplementos Dietéticos , Método Doble Ciego , Femenino , Edad Gestacional , Humanos , Pobreza , Embarazo , Adulto Joven
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