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SEATTLE – Some mothers or dads would not think at all about "cleaning" their baby 's pacifier after she fell to the ground by putting it in their mouths, while others would be horrified by this idea. But researchers say that parents who are extorted may miss an opportunity to protect their baby from allergies later in childhood.
Edward Zoratti, MD, of the Henry Ford Health System in Detroit, and colleagues at the American College of Allergy, Asthma, reported that lollipop sucking was associated with reduced total IgE production in early of life, suggesting increased protection against allergies and allergic asthma. and the annual scientific meeting of ACAAI.
The researchers interviewed more than 100 mothers of infants repeatedly over an 18-month period and asked how they cleaned their child's pacifier. Of the 74 mothers who said that their baby used a pacifier, only 12% said they had sucked a parental pacifier.
"We found that sucking the parental pacifier was linked to suppression of IgE levels from about 10 months and lasted up to 18 months," said Zoratti. "Further research is needed, but we think that the effect could be due to the transfer of microbes beneficial to the health of the parent's mouth." It's not clear whether the production of IgE more observed in these children will continue in the years to come. "
Co-author Elaine Abou-Jaoude, MD, also of Henry Ford, said that it was known that exposure to certain early life microorganisms stimulated the development of the immune system and could protect later against allergic diseases.
The small study is not the first to suggest a link between sucking the parental pacifier and protection against allergy and asthma. A 2013 study in Sweden also showed that IgE antibodies to common allergens in babies were lower when parents participated in the practice. Children of sucker sucking parents participating in this study also had less eczema at the age of 18 months.
"The sucking of the parental pacifier can be an example of how parents can transfer healthy microorganisms to their young children," she said. "Our study indicates an association between parents sucking their child's pacifier and children with lower IgE levels, but this does not necessarily mean that sucking the pacifier results in a decrease in IgE."
Neeta Ogden, MD, spokesperson for ACAAI, described the results of this study as "preliminary but intriguing." This certainly supports the "hygiene" hypothesis that younger children are exposed to greater diversity. of microbes are less likely to develop allergies later in the year, life, "she said. MedPage today.
"But of course, the cohort [of pacifier sucking parents] was very small, "she said.
Of the 128 mothers who completed an interview at the age of 6 months, 74 (58%) reported that they currently use pacifiers for children. Of these 74 people, 30 (41%) reported having cleaned their lollipops by sterilization, 53 (72%) said they had washed their hand by hand and 9 (12%) said they had sucked a lollipop by a parent.
Sterilization of the pacifier and hand washing are not associated with the trajectory of total IgE in the serum. Significant temporal interaction was detected for sucking the lollipop (P= 0.079), indicating that the shape of the trajectory was different between the children of parents sucking a lollipop and the non-sucking parents.
The researchers noted that sucking the parental pacifier seemed to suppress serum IgE levels by about 10 months (P= 0.048) and continued to diverge for 18 months (P= 0.014).
They concluded that further research was needed to determine whether these differences were due to transfer of parental oral microbes and whether the risk of allergic disease was maintained later in life.
Ogden said it was too early to recommend sucking the parental pacifier, but it would not discourage parents from doing so, provided the parents are in good health.
"I would not necessarily tell them not to do it if they already did it or they wanted to try it, unless they're sick, of course," she said. she declared. "I think there may be something there, but you really have to have more investigations before you can run with it."
2018-11-17T16: 30: 00-0500
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