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- Publisher Website: 10.1111/cea.12548
- Scopus: eid_2-s2.0-84929301285
- WOS: WOS:000354561200011
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Article: Mode of delivery and childhood hospitalizations for asthma and other wheezing disorders.
Title | Mode of delivery and childhood hospitalizations for asthma and other wheezing disorders. |
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Authors | |
Keywords | Asthma Caesarean section Children Cohort study Delivery Wheeze |
Issue Date | 2015 |
Citation | Clinical and Experimental Allergy, 2015, v. 45 n. 6, p. 1109-17 How to Cite? |
Abstract | BACKGROUND: Observationally, delivery by Caesarean section is associated with higher risk of childhood asthma and wheeze in developed Western settings, but associations are less consistent in other settings. OBJECTIVE: To examine the association of mode of delivery with hospitalizations for asthma and other wheezing disorders in a developed non-Western setting with high rates of Caesarean section. METHODS: Using Cox regression, we examined the adjusted association of mode of delivery with public hospital admissions for asthma, bronchitis, and bronchiolitis (International Classification of Diseases, Ninth Version Clinical Modification 466, 490 and 493) from 9 days to 12 years of age in a population-representative prospective birth cohort of 8327 Chinese children in Hong Kong. Confounders included sex, birth and parental characteristics, and socio-economic position (SEP). RESULTS: Delivery by Caesarean section accounted for 27% of all births and was not clearly associated with hospitalizations for asthma and other wheezing disorders to 12 years [hazard ratio (HR) 1.11, 95% confidence interval (CI) 0.91 to 1.36] compared to vaginal delivery. Similarly, there were no clear associations to 2 years (HR 1.07, 95% CI 0.83 to 1.38) or 6 years (HR 1.12, 95% CI 0.91 to 1.37), although we cannot rule out residual confounding by SEP. CONCLUSIONS AND CLINICAL RELEVANCE: We cannot rule out an association, but our findings suggest that the observed associations of delivery by Caesarean section with childhood wheezing disorders may vary with setting and may not be biologically mediated. Further studies with different designs are needed to clarify the role of the microbiome and mode of delivery in the aetiology of asthma and other childhood wheezing disorders. |
Persistent Identifier | http://hdl.handle.net/10722/211630 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Leung, YYJ | - |
dc.contributor.author | Li, AM | - |
dc.contributor.author | Leung, GM | - |
dc.contributor.author | Schooling, CM | - |
dc.date.accessioned | 2015-07-21T02:05:53Z | - |
dc.date.available | 2015-07-21T02:05:53Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | Clinical and Experimental Allergy, 2015, v. 45 n. 6, p. 1109-17 | - |
dc.identifier.uri | http://hdl.handle.net/10722/211630 | - |
dc.description.abstract | BACKGROUND: Observationally, delivery by Caesarean section is associated with higher risk of childhood asthma and wheeze in developed Western settings, but associations are less consistent in other settings. OBJECTIVE: To examine the association of mode of delivery with hospitalizations for asthma and other wheezing disorders in a developed non-Western setting with high rates of Caesarean section. METHODS: Using Cox regression, we examined the adjusted association of mode of delivery with public hospital admissions for asthma, bronchitis, and bronchiolitis (International Classification of Diseases, Ninth Version Clinical Modification 466, 490 and 493) from 9 days to 12 years of age in a population-representative prospective birth cohort of 8327 Chinese children in Hong Kong. Confounders included sex, birth and parental characteristics, and socio-economic position (SEP). RESULTS: Delivery by Caesarean section accounted for 27% of all births and was not clearly associated with hospitalizations for asthma and other wheezing disorders to 12 years [hazard ratio (HR) 1.11, 95% confidence interval (CI) 0.91 to 1.36] compared to vaginal delivery. Similarly, there were no clear associations to 2 years (HR 1.07, 95% CI 0.83 to 1.38) or 6 years (HR 1.12, 95% CI 0.91 to 1.37), although we cannot rule out residual confounding by SEP. CONCLUSIONS AND CLINICAL RELEVANCE: We cannot rule out an association, but our findings suggest that the observed associations of delivery by Caesarean section with childhood wheezing disorders may vary with setting and may not be biologically mediated. Further studies with different designs are needed to clarify the role of the microbiome and mode of delivery in the aetiology of asthma and other childhood wheezing disorders. | - |
dc.language | eng | - |
dc.relation.ispartof | Clinical and Experimental Allergy | - |
dc.subject | Asthma | - |
dc.subject | Caesarean section | - |
dc.subject | Children | - |
dc.subject | Cohort study | - |
dc.subject | Delivery | - |
dc.subject | Wheeze | - |
dc.title | Mode of delivery and childhood hospitalizations for asthma and other wheezing disorders. | - |
dc.type | Article | - |
dc.identifier.email | Leung, YYJ: leungjy@hku.hk | - |
dc.identifier.email | Leung, GM: gmleung@hku.hk | - |
dc.identifier.email | Schooling, CM: cms1@hkucc.hku.hk | - |
dc.identifier.authority | Leung, YYJ=rp01817 | - |
dc.identifier.authority | Leung, GM=rp00460 | - |
dc.identifier.authority | Schooling, CM=rp00504 | - |
dc.identifier.doi | 10.1111/cea.12548 | - |
dc.identifier.scopus | eid_2-s2.0-84929301285 | - |
dc.identifier.hkuros | 245030 | - |
dc.identifier.volume | 45 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 1109 | - |
dc.identifier.epage | 17 | - |
dc.identifier.isi | WOS:000354561200011 | - |