Hypertonic Saline as a Useful Tool for Sputum Induction and Pathogen Detection in Cystic Fibrosis

Autor(es)

Marques Ferreira, Adriana Carolina ; Lima Marson, Fernando Augusto ; Cohen, Milena Antonelli ; Bertuzzo, Carmen Silvia ; Levy, Carlos Emilio ; Ribeiro, Antonio Fernando ; Ribeiro, Jose Dirceu

• Tipo de documento: Artigo Científico
• Fonte: Lung; v. 195, n. 4, p. 431-439, AUG 2017.
• Citações Web of Science: 2

Resumo

Purpose The aim of this study was to compare the qualitative and semi-quantitative detection of pathogens in the airway secretions of patients with cystic fibrosis (CF) and the sputum induction capacity before and after inhalation of 7% hypertonic saline solution (HSS). Methods The study enrolled 64 patients with CF. Airway secretions were collected from all enrolled patients with CF before and after inhalation of 7% HSS, and the samples were screened for pathogens. Results Inhalation of 7% HSS increased the probability of producing sputum from 36 to 52% (p = 0.002) in children with CF. The effect was most in children under 11 years. Inhalation of 7% HSS improved qualitative pathogen identification (p = 0.008). Inhalation of 7% HSS increased the mucoid Pseudomonas aeruginosa (p = 0.002) and non-mucoid P. aeruginosa in the semi-quantitative analysis (p = 0.035). Four new pathogens (Aspergillus fumigatus, Achromobacter xylosoxidans, Ochrobactrum anthropi, and Elizabethkingia meningoseptica) were identified in the sputum samples collected from the airways of patients with CF following 7% HSS. Conclusions Inhalation of 7% HSS increased sputum production and pathogen identification in children with CF. The inhalation of 7% HSS was feasible and should be implemented for routine pathogen detection in the airways of patients with CF, particularly in those patients who do not produce sputum. (AU)

• Processo FAPESP: 11/12939-4 - Associação entre polimorfismos de genes moduladores em crianças e adolescentes com asma alérgica e não alérgica: leve, moderada e grave
• Beneficiário: Fernando Augusto de Lima Marson
• Modalidade de apoio: Bolsas no Brasil - Doutorado
• Processo FAPESP: 15/12183-8 - Identificação das mutações prevalentes e caracterização clínica e funcional de crianças e adultos com discinesia ciliar primária
• Beneficiário: Jose Dirceu Ribeiro
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 11/18845-1 - Associação entre polimorfismos de genes moduladores em crianças e adolescentes com asma alérgica e não alérgica leve, moderada e grave
• Beneficiário: Jose Dirceu Ribeiro
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 15/12858-5 - Identificação das mutações prevalentes e caracterização clínica e funcional de crianças e adultos com discinesia ciliar primária
• Beneficiário: Fernando Augusto de Lima Marson
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado