Long-term effects of prenatal administration of magnesium sulfate in preterm infants

Articles printed in Journal of Obstetrics and Gynecology Research In September 2022, by a bunch of writers right here Faculty of Medicine, Toyama University In Japan, evaluated the connection between prenatal consumption of magnesium sulfate (MgSO4) and neonatal bone mineralization.

process

The examine was performed at Toyama University Hospital in Japan. Neonates born between January 2013 and March 2019 between 28 weeks and 0 days to 33 weeks and 6 days of gestation and admitted to the intensive care unit (ICU) have been included.

Neonates (n = 163) have been divided into three teams: long-term Mg administration group (≥ 40 days), short-term magnesium administration group (< 40 days), and non-magnesium group. Serum calcium, phosphorus, magnesium, and alkaline phosphatase have been measured weekly till 1 month of age and bone mineral density. (SOS) was measured by quantitative ultrasound (QUS) Within one week and one month after beginning.

Long-term use of MgSO4 as a pharmacological therapy in tocolysis is routine in some areas of Japan.

end result

In the extended magnesium administration group, at beginning, serum calcium values ​​have been considerably decrease and serum phosphorus, Mg and alkaline phosphatase values ​​have been considerably larger, in comparison with the non-Mg group.

Although these biochemical variations disappeared by 2 weeks of age, the values SOS The long-term magnesium administration group was considerably decrease than the no-magnesium group, each at one week and one month after beginning (p = 0.02 and <0.001, respectively).

When utilizing the tenth percentile of values ​​of SOS The cut-off worth for the length of prenatal MgSO4 administration was 67 days, as a definition of poor bone mineralization, one month after beginning in the non-magnesium group.

Also learn: How to conceive in outdated ladies?

conclusion

Since MgSO4 administered to the mom is transferred to the fetus by way of the placenta, a number of hostile effects of magnesium on bone metabolism have been noticed in the neonate. It is understood that magnesium acts antagonistically on calcium (Ca) and, below hypermagnesemia, suppresses the manufacturing of parathyroid hormone, which is a crucial issue in calcium regulation.

Long-term prenatal administration of MgSO4 impacts bone mineralization in the early neonatal interval, however the clinically acceptable length of administration relies on effects on bone mineralization. why May be quite a lot of weeks.

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