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In older children, measuring lung function is integral for understanding respiratory physiology and for clinical assessment. Pulmonary function tests for infants and children younger than American Thoracic Society Documents 1305 2 years are used as both research and clinical tools. The usefulness of these tests has benefited from approximately 15 years of(More)
Birth weight within the normal range is associated with a variety of adult-onset diseases, but the mechanisms behind these associations are poorly understood. Previous genome-wide association studies of birth weight identified a variant in the ADCY5 gene associated both with birth weight and type 2 diabetes(More)
BACKGROUND Changes in the human microbiome have been suggested as a risk factor for a number of lifestyle-related disorders, such as atopic diseases, possibly through a modifying influence on immune maturation in infancy. OBJECTIVES We aimed to explore the association between neonatal fecal flora and the development of atopic disorders until age 6 years,(More)
BACKGROUND Loss-of-function variants in the gene encoding filaggrin (FLG) are major determinants of eczema. We hypothesized that weakening of the physical barrier in FLG-deficient individuals may potentiate the effect of environmental exposures. Therefore, we investigated whether there is an interaction between FLG loss-of-function mutations with(More)
BACKGROUND Short-term exposure to air pollution can trigger hospital admissions for asthma in children, but it is not known which components of air pollution are most important. There are no available studies on the particular effect of ultrafine particles (UFPs) on paediatric admissions for asthma. AIM To study whether short-term exposure to air(More)
Multiple genetic variants have been associated with adult obesity and a few with severe obesity in childhood; however, less progress has been made in establishing genetic influences on common early-onset obesity. We performed a North American, Australian and European collaborative meta-analysis of 14 studies consisting of 5,530 cases (≥95th percentile of(More)
There is poor agreement on definitions of different phenotypes of preschool wheezing disorders. The present Task Force proposes to use the terms episodic (viral) wheeze to describe children who wheeze intermittently and are well between episodes, and multiple-trigger wheeze for children who wheeze both during and outside discrete episodes. Investigations(More)
BACKGROUND The greatest prevalence of asthma is in preschool children; however, the clinical utility of asthma therapy for this age group is limited by a narrow therapeutic index, long-term tolerability, and frequency and/or difficulty of administration. Inhaled corticosteroids and inhaled cromolyn are the most commonly prescribed controller therapies for(More)
OBJECTIVE To study the association between wheezy symptoms in young children and the presence of bacteria in the airways. DESIGN Birth cohort study. SETTING Clinical research unit in Copenhagen. PARTICIPANTS Children of asthmatic mothers, from age 4 weeks to 3 years, with planned visits and acute admissions to the research clinic. MAIN OUTCOME(More)
Patients with primary ciliary dyskinesia (PCD) have pronounced stasis of their respiratory secretions and therefore recurrent lower airway infections, which raises concerns for the development of lung function. Twenty four patients with PCD have been studied prospectively with a standardized regime in our clinic for 2-16 yrs with clinic visits, including(More)