Atopic dermatitis is associated with Caesarean sections in Korean adolescents but asthma is not.

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Atopic dermatitis is associated with Caesarean sections in Korean adolescents but asthma is not.

Acta Paediatr. 2015 Sep 12;

Authors: Yu M, Han K, Kim DH, Nam GE

Abstract
AIM: Studies on the associations between mode of delivery and allergic diseases have produced different results and research has rarely been conducted in Asian countries such as South Korea. This study assessed the relationship between mode of delivery and atopic dermatitis and asthma in Korean adolescents.
METHODS: Data collected from the Korea National Health and Nutrition Examination Survey between 2010 and 2011 were used. We included 1,302 adolescents aged from 12-18 years and multivariable logistic regression analysis was performed.
RESULTS: The odds ratio (OR) of having atopic dermatitis was 1.50, with a 95% confidence interval (95% CI) of 1.01-2.22, after adjusting for age and sex. The association remained significant after further adjustments for body mass index, breastfeeding and serum 25-hydroxyvitamin D level (OR = 1.61, 95% CI = 1.05-2.47) and when fat intake was added to those variables (OR = 1.80, 95% CI = 1.14-2.85). However, asthma was not associated with mode of delivery in any of the models.
CONCLUSIONS: Atopic dermatitis in adolescents was associated with Caesarean delivery, which is common in South Korea. The findings suggest that the frequency of this practice should be reconsidered and that further research with longitudinal evaluation of relevant mechanisms is needed. This article is protected by copyright. All rights reserved.

PMID: 26363368 [PubMed – as supplied by publisher]

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Caesarean Section and Hospitalization for Respiratory Syncytial Virus Infection: A Population Based Study.

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Caesarean Section and Hospitalization for Respiratory Syncytial Virus Infection: A Population Based Study.

Pediatr Infect Dis J. 2014 Sep 17;

Authors: Kristensen K, Fisker N, Haerskjold A, Ravn H, Simões EA, Stensballe L

Abstract
BACKGROUND AND OBJECTIVE:: Hospitalization for respiratory syncytial virus (RSV) infection and asthma share common determinants, and meta-analyses indicate that children delivered by caesarean section (CS) are at increased risk of asthma. We aimed to investigate whether birth by CS is associated with an increased risk of hospitalization for RSV illness.
METHODS:: This was a population based national register based cohort study, conducted between January 1997 and June 2003, that included all children born in Denmark and all hospitalizations for RSV disease in them from 0 – 23 months of age. We used Cox regression with adjustment for prematurity, asphyxia, birth weight, multiple births, single parenthood, maternal smoking during pregnancy, older siblings, and asthma diagnoses up to 2 weeks before hospitalization for RSV infection, to compare the effects of acute or elective CS versus vaginal delivery, on subsequent hospitalization for RSV disease. A test for homogeneity was used to assess for effect over time.
RESULTS:: 399,175 children with 10,758 hospitalizations for RSV illness were included. 31,715 were born by acute CS and 30,965 by elective CS. Adjusted hazard ratios for hospitalization for RSV infection in children born by acute CS and by elective CS were 1.09 (1.01 – 1.17) and 1.27 (1.19 – 1.36), respectively. The effect of elective CS remained unchanged throughout the first two years of life (p = 0.53), whereas the effect of acute CS was only present in the second year of life (p = 0.001).
CONCLUSION:: Delivery by caesarian section is associated with an increased risk of hospitalization for RSV infeciton. This effect continues at least throughout the first two years of life.

PMID: 25232778 [PubMed – as supplied by publisher]

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Caesarean birth link to asthma lacks proof – Nursing Times


Independent Online

Caesarean birth link to asthma lacks proof
Nursing Times
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Caesarean babies at higher risk of asthma, allergies – Zee News


Zee News

Caesarean babies at higher risk of asthma, allergies
Zee News
Caesarean babies at higher risk of asthma, allergies London: Babies, who are delivered by Caesarean section, miss out on protective bugs which could help prevent a host of disorders like asthma and allergies in childhood and later life, researchers
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Babies delivered by Caesarean section at higher risk of asthma and allergies – Daily Mail


Daily Mail

Babies delivered by Caesarean section at higher risk of asthma and allergies
Daily Mail
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Caesarean born babies at high risk of asthma – Zee News


Zee News

Caesarean born babies at high risk of asthma
Zee News
Washington: Children delivered by caesarean section have an increased risk of developing asthma at the age of three, researchers have suggested. This was particularly seen among children without a hereditary tendency to asthma and allergies,
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Children delivered by caesarean section at slightly elevated risk of asthma … – News-Medical.net

Children delivered by caesarean section at slightly elevated risk of asthma
News-Medical.net
A new study supports previous findings that children delivered by caesarean section have an increased risk of developing asthma. The study from the Norwegian Mother and Child Cohort Study (MoBa) suggests that children delivered by caesarean section

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Caesarean link to infant respiratory infections – Sydney Morning Herald


ScienceAlert

Caesarean link to infant respiratory infections
Sydney Morning Herald
While most children can recover from bronchiolitis quickly, it can make the child more prone to other respiratory illnesses such as asthma later in life. Babies born by elective caesareans are more likely to suffer a serious respiratory infection in
C-Section Delivery Linked to Respiratory Infections, Study SaysBusinessWeek
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