Effects of Breastfeeding on Respiratory Symptoms in Infancy.

Gorlanova, Olga; Thalmann, Simone; Proietti, Elena; Stern, Georgette; Latzin, Philipp; Kühni, Claudia; Röösli, Martin; Frey, Urs (2016). Effects of Breastfeeding on Respiratory Symptoms in Infancy. Journal of pediatrics, 174, 111-117.e5. Elsevier 10.1016/j.jpeds.2016.03.041

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OBJECTIVE To assess the impact of potential risk factors on the development of respiratory symptoms and their specific modification by breastfeeding in infants in the first year of life. STUDY DESIGN We prospectively studied 436 healthy term infants from the Bern-Basel Infant Lung Development cohort. The breastfeeding status, and incidence and severity of respiratory symptoms (score) were assessed weekly by telephone interview during the first year of life. Risk factors (eg, pre- and postnatal smoking exposure, mode of delivery, gestational age, maternal atopy, and number of older siblings) were obtained using standardized questionnaires. Weekly measurements of particulate matter <10 μg were provided by local monitoring stations. The associations were investigated using generalized additive mixed model with quasi Poisson distribution. RESULTS Breastfeeding reduced the incidence and severity of the respiratory symptom score mainly in the first 27 weeks of life (risk ratio 0.70; 95% CI 0.55-0.88). We found a protective effect of breastfeeding in girls but not in boys. During the first 27 weeks of life, breastfeeding attenuated the effects of maternal smoking during pregnancy, gestational age, and cesarean delivery on respiratory symptoms. There was no evidence for an interaction between breastfeeding and maternal atopy, number of older siblings, child care attendance, or particulate matter <10 μg. CONCLUSIONS This study shows the risk-specific effect of breastfeeding on respiratory symptoms in early life using the comprehensive time-series approach.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine
04 Faculty of Medicine > Department of Gastro-intestinal, Liver and Lung Disorders (DMLL) > Clinic of Pneumology
04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine

Graduate School:

Graduate School for Cellular and Biomedical Sciences (GCB)

UniBE Contributor:

Proietti, Elena; Stern Meggers, Georgette; Latzin, Philipp and Kühni, Claudia

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

0022-3476

Publisher:

Elsevier

Language:

English

Submitter:

Beatrice Minder Wyssmann

Date Deposited:

18 Apr 2016 11:06

Last Modified:

17 Feb 2017 13:17

Publisher DOI:

10.1016/j.jpeds.2016.03.041

PubMed ID:

27063808

Uncontrolled Keywords:

breastfeeding; infants interaction; longitudinal study; respiratory symptoms

BORIS DOI:

10.7892/boris.81196

URI:

https://boris.unibe.ch/id/eprint/81196

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