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Mayo researchers find anesthesia not harmful for babies during birth process
Date:7/27/2009

ROCHESTER, Minn. -- Mayo Clinic researchers have found that children exposed to anesthesia during Cesarean section are not at any higher risk for learning disabilities later in life than children not delivered by C-section. These findings are reported in the current issue of the journal Anesthesiology.

"We found that the incidence of learning disabilities was equal between children who were delivered vaginally and those who were delivered via C-section but with general anesthesia," says Juraj Sprung, M.D., Ph.D., a Mayo Clinic anesthesiologist who led the study. "It's reassuring that the anesthetics required for Cesarean delivery do not appear to cause long-term brain problems."

The study was conducted with data from the Rochester Epidemiology Project. Researchers analyzed the medical records of 5,320 children born between 1976 and 1982 to mothers living in Olmsted County. They compared birth records with scholastic achievement and IQ tests administered to the children later in life as part of their schooling.

The study builds on a previous project, reported in March, which found that children exposed to a single dose of anesthesia during the first three years of life had no increased risk for learning disabilities, but those exposed multiple times had an almost doubled risk for later identification of learning disabilities.

Prolonged exposure to anesthetics has been shown to cause brain abnormalities in young animals, which was the impetus behind these two studies. Scientists think that the brains of young animals and humans are more vulnerable to a variety of problems because they are undergoing rapid growth. The brain is forming vital connections between cells during this ti
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Contact: Marie Zhuikov
newsbureau@mayo.edu
507-284-5005
Mayo Clinic
Source:Eurekalert

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