TY - JOUR
T1 - Early life insults as determinants of chronic obstructive pulmonary disease in adult life
AU - Savran, Osman
AU - Ulrik, Charlotte Suppli
PY - 2018
Y1 - 2018
N2 - Background: Early life events may predispose to the development of chronic lung disease in adulthood. Aim: To provide an update on current knowledge of early nongenetic origins of COPD. Materials and methods: Systematic literature review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Results: A total of 16 studies, comprising 69,365 individuals, met the predefined criteria and were included in the present review. Studies have shown that in utero tobacco exposure, low birth weight, preterm birth, and respiratory diseases, primarily asthma and pneumonia, in early childhood are associated with lung function impairment later in childhood, and by that predispose to subsequent development of COPD, although the causal association between childhood respiratory diseases and COPD has been questioned in one study. Environmental tobacco exposure has also been shown to have negative impact on lung function in childhood possibly leading to COPD in adulthood, although it is at present not possible to clearly distinguish between the impact of active and the environmental tobacco exposure on subsequent development of COPD. Conclusion: Tobacco exposure in utero and early life is a risk factor for subsequent development of COPD. Furthermore, low birth weight, lower respiratory tract infections and asthma, including wheezy bronchitis, in childhood also seem to be important determinants for later development of COPD. Early life insults may, therefore, be crucial to COPD development.
AB - Background: Early life events may predispose to the development of chronic lung disease in adulthood. Aim: To provide an update on current knowledge of early nongenetic origins of COPD. Materials and methods: Systematic literature review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Results: A total of 16 studies, comprising 69,365 individuals, met the predefined criteria and were included in the present review. Studies have shown that in utero tobacco exposure, low birth weight, preterm birth, and respiratory diseases, primarily asthma and pneumonia, in early childhood are associated with lung function impairment later in childhood, and by that predispose to subsequent development of COPD, although the causal association between childhood respiratory diseases and COPD has been questioned in one study. Environmental tobacco exposure has also been shown to have negative impact on lung function in childhood possibly leading to COPD in adulthood, although it is at present not possible to clearly distinguish between the impact of active and the environmental tobacco exposure on subsequent development of COPD. Conclusion: Tobacco exposure in utero and early life is a risk factor for subsequent development of COPD. Furthermore, low birth weight, lower respiratory tract infections and asthma, including wheezy bronchitis, in childhood also seem to be important determinants for later development of COPD. Early life insults may, therefore, be crucial to COPD development.
KW - COPD
KW - Early life
KW - Obstructive lung disease
KW - Preterm birth
KW - Respiratory infections
KW - Secondhand smoke
KW - Tobacco exposure
U2 - 10.2147/COPD.S153555
DO - 10.2147/COPD.S153555
M3 - Review
C2 - 29520136
AN - SCOPUS:85042669127
SN - 1176-9106
VL - 13
SP - 683
EP - 693
JO - International Journal of COPD
JF - International Journal of COPD
ER -