Ana Caroline C Dela Bianca Melo, Décio Medeiros Peixoto, Ricardo Oliveira Silva, Tatiane Priscila S Rodrigues da Luz, Amanda de Oliveira V Bastos, Emanuel Sávio Cavalcanti Sarinho, Dirceu Solé, Gustavo Falbo Wandalsen
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Metabolomic profile in preschool children with transient wheezing and early onset asthma.
Introduction: Early diagnosis of childhood asthma is a challenge; so we questioned whether metabolomic analysis could differentiate persistent recurrent wheezing from transient wheezing in preschoolers.
Methods: Case-control study with individuals aged 4-6 years and 11 months with three or more episodes of wheezing due to bronchospasm was carried out in an allergy outpatient clinic and metabolomics laboratory from July 2021 to February 2023. Two groups were formed: persistent wheezers with multiple trigger attacks after the fourth year of life; and transient wheezers without wheezing for at least 12 months after the third year of life. Those with other wheezing disorders were excluded.
Results: This study was carried out on 29 children with a mean age of 4.9 (±0.6) years-19 (65%) persistent wheezers and 10 (35%) transient wheezers. Sensitization to aeroallergens and the positive asthma predictive index were significantly higher among persistent wheezers. From the plasma hydrogen-1 NMR (1H NMR) spectra, five best subsets were selected to discriminate between the two groups with an accuracy rate of 93.1%. Among the metabolites, valine and citrate showed higher signals and lipids and lipoproteins were higher in persistent wheezers.
期刊介绍：
Founded in 1972 by Professor A. Oehling, Allergologia et Immunopathologia is a forum for those working in the field of pediatric asthma, allergy and immunology. Manuscripts related to clinical, epidemiological and experimental allergy and immunopathology related to childhood will be considered for publication. Allergologia et Immunopathologia is the official journal of the Spanish Society of Pediatric Allergy and Clinical Immunology (SEICAP) and also of the Latin American Society of Immunodeficiencies (LASID). It has and independent international Editorial Committee which submits received papers for peer-reviewing by international experts. The journal accepts original and review articles from all over the world, together with consensus statements from the aforementioned societies. Occasionally, the opinion of an expert on a burning topic is published in the "Point of View" section. Letters to the Editor on previously published papers are welcomed. Allergologia et Immunopathologia publishes 6 issues per year and is included in the major databases such as Pubmed, Scopus, Web of Knowledge, etc.
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