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New spirometry recommendations from the Brazilian Thoracic Association - 2024 update
André Luís Pereira de Albuquerque1,2, Danilo C Berton3, Eloara Vieira Machado Ferreira Álvares S Campos4,5
1. Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo (SP) Brasil.
Summary
This document presents updated spirometry guidelines for Brazil, incorporating international standards and local research. It ensures accurate pulmonary function testing for the Brazilian population, emphasizing clinical context for interpretation.
Area of Science:
- Pulmonology and Respiratory Medicine
- Clinical Guidelines Development
Background:
- The last Brazilian Thoracic Association pulmonary function guideline was published in 2002.
- International guidelines from the European Respiratory Society and American Thoracic Society have been updated since then.
- New national and international research on spirometry performance, interpretation, and clinical implications exists.
Purpose of the Study:
- To develop updated spirometry guidelines specifically for the Brazilian population.
- To integrate recent international advancements with Brazil-specific research.
- To provide comprehensive guidance on spirometry for clinical practice in Brazil.
Main Methods:
- A group of pulmonary function specialists evaluated relevant scientific articles.
- Focus was placed on studies applicable to the Brazilian population.
- Discussions and consensus-building were used to formulate new guidelines.
Main Results:
- New guidelines cover technical parameters, performance, indications, and contraindications.
- Guidelines address interpretation, normality concepts, variability, and reference values.
- Recommendations include classification of functional severity and bronchodilator response.
Conclusions:
- Spirometry guidelines have been updated for Brazil.
- Emphasis is placed on interpreting results within the patient's clinical context and pretest probability.
- These guidelines aim to improve the accuracy and utility of pulmonary function testing in Brazil.
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