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Role of body mass index in unbalanced (dysanaptic) lung growth of healthy infants

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dc.contributor.authorSánchez-Solís de Querol, Manuel
dc.contributor.authorForno, Erick
dc.contributor.authorMorales Bartolomé, Eva
dc.contributor.authorGarcía-Marcos Álvarez, Luis Vicente
dc.contributor.authorThe NELA Study Group
dc.contributor.departmentCirugía, Pediatría y Obstetricia y Ginecología
dc.contributor.otherFacultad de Medicina
dc.date.accessioned2025-10-28T13:44:12Z
dc.date.available2025-10-28T13:44:12Z
dc.date.copyright© 2024 Wiley Periodicals LLC.
dc.date.issued2024-07-05
dc.description.abstractRationale: Imbalance between forced expiratory volume in the first second (FEV1) and forced vital capacity (FVC) (dysanapsis) has been reported in children who are obese. This dysanaptic growth might begin at an early age, although there are no data on children younger than 6 years. Objetives: To assess whether body mass index (BMI) and early weight gain, in healthy infants born at term, plays a significant role in the imbalance between FEV1 and FVC, even in the absence of obesity. Methods: Lung function was measured by means of raised volume rapid thoracic compression in 69 healthy infants born at term from the Nutrition in Early Life and Asthma cohort. Dysanapsis was defined as zFVC >0.674, zFEV0 .5 ≥-1.645, and FEV0 .5/FVC ≤-1.645. Weight gain (g/day) and growth rate (cm/year) were calculated as the difference between weight and length on the test date and those at birth. To assess the relationship between zBMI and dysanapsis, a receiver operating characteristic curve was performed. Multivariable analysis was carried out by means of linear regressions (one for each lung function index) and by logistic regression for dysanapsis (yes/no). Results: Higher zBMI was associated with risk of dysanapsis (odds ratio: 3.53, [95% confidence interval: 1.30; 9.66]; p = .014): Each additional zBMI unit was associated with ~10 mL higher FVC and with ~3.5% lower FEV0.5/FVC. Weight gain was associated with lower FEV0.5/FVC ratio. Conclusion: Dysanaptic development of lung function begins very early in infancy and is related with weight gain and body mass index, even in the absence of obesity.
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dc.format.extent8
dc.identifier.citationPediatr Pulmonol 2024 59(11):2939-2946
dc.identifier.doihttps://doi.org/10.1002/ppul.27161
dc.identifier.eissn1099-0496
dc.identifier.issn8755-6863
dc.identifier.urihttp://hdl.handle.net/10201/169889
dc.languageeng
dc.publisherWiley
dc.relation Instituto de Salud Carlos III
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/10.1002/ppul.27161
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectInfant pulmonary function
dc.subjectPulmonary function testing (PFT)
dc.subjectPulmonary physiology
dc.subject.odsObjetivo 3: Salud
dc.titleRole of body mass index in unbalanced (dysanaptic) lung growth of healthy infants
dc.typeinfo:eu-repo/semantics/article
dspace.entity.typePublicationes
relation.isAuthorOfPublicationa20da46d-caef-436f-88c1-5ea0f45ce23e
relation.isAuthorOfPublication69eae288-675c-413d-805f-44bd5040751c
relation.isAuthorOfPublicationb37b759a-7ec5-43f8-8547-b35602f94cdb
relation.isAuthorOfPublication.latestForDiscoverya20da46d-caef-436f-88c1-5ea0f45ce23e
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