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  • Magnesium Sulfate...

Magnesium Sulfate administration prior to preterm birth fails to increase child survival without cerebral palsy

Written By : Dr. Kamal Kant Kohli Published On 2023-08-21T10:45:00+05:30  |  Updated On 21 Aug 2023 11:59 AM IST
Magnesium Sulfate administration prior to preterm birth fails to increase child survival without cerebral palsy
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Researchers have found in a new study that Magnesium sulfate administration prior to preterm birth between 30 and 34 weeks' gestation did not increase the chance of child survival without cerebral palsy.

In this randomized clinical trial published in JAMA by Caroline A. Crowther and colleagues conducted across 24 hospitals in Australia and New Zealand has explored the impact of intravenous magnesium sulfate administration on preterm births occurring between 30 to 34 weeks of gestation. The study aimed to determine whether this intervention could reduce the risk of death or cerebral palsy in children at 2 years of age.

The trial enrolled 1433 pregnant individuals with a mean age of 30.6 years, including a diverse range of ethnic backgrounds. Among their 1679 infants, 1365 were included in the primary outcome analysis. The primary outcome assessed was the occurrence of death (including stillbirth, infant death before or after hospital discharge) or cerebral palsy at 2 years of corrected age.

  • The study found that the administration of intravenous magnesium sulfate did not result in a significant difference in the occurrence of death or cerebral palsy between the magnesium group and the placebo group.
  • The rates were 3.3% for the magnesium group and 2.7% for the placebo group. The adjusted relative risk was 1.19 (95% CI, 0.65 to 2.18), and the risk difference was 0.61% (95% CI, -1.27% to 2.50%).
  • The study also examined various secondary outcomes related to the health of pregnant individuals, infants, and children. Neonates in the magnesium group demonstrated lower rates of respiratory distress syndrome (34% vs 41%) and chronic lung disease (5.6% vs 8.2%) compared to the placebo group during their hospital stay after birth.
  • It's important to note that while no serious adverse events occurred, adverse events were more likely in pregnant individuals who received magnesium compared to the placebo group. Adverse events occurred in 77% of those who received magnesium and 20% of those who received the placebo.
  • While fewer pregnant individuals in the magnesium group underwent cesarean deliveries (56% vs 61%), more in the magnesium group experienced major postpartum haemorrhage (3.4% vs 1.7%).

The study concludes that the administration of intravenous magnesium sulfate prior to preterm birth at 30 to 34 weeks' gestation did not significantly improve child survival without cerebral palsy at 2 years. However, the researchers acknowledge that the study's power might have been limited in detecting small differences between the groups.

This study contributes valuable insights into the potential effects of magnesium sulfate on preterm births and highlights the complexity of managing interventions in this context. Further research may be needed to refine and better understand the impacts of such treatments on child health outcomes.

Reference:

Crowther, C. A., Ashwood, P., Middleton, P. F., McPhee, A., Tran, T., Harding, J. E., Alsweiler, J., Baker, E., Eaglen, D., Groom, K., Hauch, H., Mackay, L., Pacella, M. J., Preest, A., Taylor, J., Williamson, K., Tottman, A., Austin, N., Darlow, B. A., … MAGENTA Study Group. (2023). Prenatal intravenous magnesium at 30-34 weeks’ gestation and neurodevelopmental outcomes in offspring: The MAGENTA randomized clinical trial. JAMA: The Journal of the American Medical Association, 330(7), 603. https://doi.org/10.1001/jama.2023.12357


JAMAMagnesium SulfatePreterm Birthsrespiratory distress syndromecerebral palsy
Source : JAMA
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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