Intravenous magnesium sulfate in pulmonary hypertension of the newborn: a systematic review
Abstract
OBJECTIVE: Pulmonary hypertension in the newborn (PPHN) is a significant clinical condition characterized by elevated pulmonary artery pressures, leading to serious health consequences. Magnesium sulfate, known for its vasodilatory properties, has been studied for its potential benefits in managing PPHN. This systematic review evaluates the efficacy and safety of magnesium sulfate in neonates with PPHN.
MATERIALS AND METHODS: A systematic literature search was conducted on PubMed and Scopus up to March 10, 2024. Studies were included based on predefined Population, Intervention, Comparison, Outcome, Study (PICOS) criteria focusing on pediatric patients with PPHN treated with magnesium sulfate, compared against placebo or other pharmacological interventions. Outcomes of interest included resolution of PPHN, improved oxygenation, and decreased oxygenation index.
RESULTS: From a total of 1,233 articles screened, four studies met the inclusion criteria, including three randomized controlled trials and one multicentric retrospective study. The comparisons included nebulized magnesium sulfate, oral sildenafil, and inhaled nitric oxide. The outcomes varied, with none reported consistently across more than two studies, making a meta-analysis unfeasible. Results indicated a potential benefit of magnesium sulfate in improving pulmonary pressures and oxygenation, but the evidence was insufficient to establish definitive conclusions due to the heterogeneity and a limited number of…
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