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Multiple courses, versus single course, of antenatal corticosteroid therapy does not increase death, disability of children at age 5


Multiple courses of prenatal corticosteroids, compared with a single course, taken by pregnant women to help prevent preterm birth was associated with no increase or decrease in the risk of death or disability for their children at age 5.

Preterm birth ( between 24 and 33 weeks ) is a significant health problem and a single course of prenatal ( also known as antenatal ) corticosteroid therapy is recommended for women at risk of preterm birth. Questions remain about whether additional courses of corticosteroids might be safe and beneficial.

Elizabeth V. Asztalos, of the Sunnybrook Health Sciences Centre, Toronto, Canada, and colleagues examined the effects of single vs. multiple courses of corticosteroids on the risk of death and neurodevelopmental disability ( including cerebral palsy, blindness, deafness or abnormal attention or behaviour ) in children of mothers who participated in the Multiple Courses of Antenatal Corticosteroids for Preterm Birth Study ( MACS ). The follow-up study included more than 1,700 mothers and their children.

Study findings indicate no difference in the risk of death or neurodevelopmental disability: 217 of 871 children ( 24.9% ) in the multiple-courses group vs. 210 of the 848 children ( 24.8% ) in the single-course group.

In conclusion, multiple courses, compared with a single course, of antenatal corticosteroid therapy did not increase or decrease the risk of death or disability at 5 years of age. Because of a lack of strong conclusive evidence of short-term or long-term benefits, it remains an opinion that multiple courses should not be recommended in women with ongoing risk of preterm birth. ( Xagena )

Source: JAMA Pediatrics, 2013

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