Parental Sucking Pacifier Can Reduce the Risk of Allergies in Children



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SEATTLE – Some moms or dads won't think about "cleaning" their baby teats after falling to the floor by vomiting them into their own mouths, while others will be horrified by the idea. But parents who lose money may only lose the opportunity to help protect their babies from developing allergies later in childhood, according to the researchers here.

Taking pacifiers is associated with lower total initial IgE production in life, which shows increased protection from allergies and allergic asthma, reported Edward Zoratti, MD, of Henry Ford Health System in Detroit, and colleagues at the American College of Allergy, Asthma and Immunology (ACAAI ) annual scientific meeting.

The researchers interviewed more than 100 mothers of babies several times over an 18-month period and asked how they cleaned their child's pacifiers. Of the 74 mothers surveyed who reported that their babies were using pacifiers, only 12% reported sucking parents' nipples.

"We found that sucking pacifiers of parents was associated with suppressed IgE levels starting at about 10 months, and continuing for 18 months," Zoratti said. "Further research is needed, but we believe the effect may be due to the transfer of microbes that promote health from the mouths of parents. It is not clear whether lower IgE production seen among these children continues until later years."

Co-author Elaine Abou-Jaoude, MD, also from Henry Ford, said it is known that exposure to certain microorganisms early in life stimulates the development of the immune system, and can protect against allergic diseases later.

This small study is not the first to suggest a link between dot caregivers and protection from allergies and asthma. A 2013 study from Sweden also showed lower IgE antibodies to common allergens in infants when parents were involved in practice. Children from dot suckers parents in the study also had fewer eczema at 18 months of age.

"Sucking parents' nipples can be an example of how parents transfer healthy microorganisms to their children," he said. "Our study shows an association between parents who suck their teats and children with lower levels of IgE, but that does not mean that sucking pacifiers causes lower IgE."

ACAAI spokeswoman Neeta Ogden, MD, characterizes the research findings as "preliminary but interesting. This certainly provides some support for" the hygiene hypothesis – the idea that young people exposed to greater microbial diversity tend to develop allergies later on. " live, "he said MedPage Today.

"But, of course, cohort [of pacifier sucking parents] very small, "he said.

Of the 128 mothers who completed the interview at 6 months, 74 (58%) reported using pacifiers at this time. Of these 74, 30 (41%) reported dot cleaning with sterilization, 53 (72%) reported dot hand washing, and 9 (12%) reported sucking parents' pacifiers.

Pacifier sterilization and hand washing are not related to the total serum IgE trajectory. Significant time interactions detected to suck pacifiers (P= 0.079), indicating that the trajectory is different between children sucking pacifiers and parents sucking non-pacifiers.

The researchers note that sucking the parent's dot appears to suppress serum IgE levels starting at around 10 months (P= 0.048), and continued to deviate for 18 months (P= 0.014).

They concluded that further research is needed to determine whether this difference is caused by the oral microbial diversion of parents, and if the risk of allergic diseases in the future will persist.

Ogden said it was too early to recommend sucking parents' nipples, but he would not forbid parents from doing so, provided the parents were healthy.

"I don't necessarily tell them not to do it if they have already done it, or if they want to try it, unless, of course, they are sick," he said. "I think there might be something there. But it really needs further investigation before we can run it."

2018-11-17T16: 30: 00-0500

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