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Revista Cubana de Medicina

versão impressa ISSN 0034-7523versão On-line ISSN 1561-302X

Resumo

PANTOJA MARTINEZ, Arianna et al. Behavior of static lung volumes due to plethysmography in chronic obstructive pulmonary disease with clinical-spirometric dissociation. Rev cubana med [online]. 2021, vol.60, n.2, e1476.  Epub 01-Jun-2021. ISSN 0034-7523.

Introduction:

Chronic obstructive pulmonary disease is a global health problem due to its high prevalence, morbidity and high economic cost.

Objective:

By using plethysmography, to describe patients with diagnosis of chronic obstructive pulmonary disease that had spirometric clinical discrepancy.

Methods:

A descriptive and cross-sectional study was carried out in 33 patients with diagnosis of chronic obstructive pulmonary disease who attended the outpatient clinic at Benéfico Jurídico Pneumologic Hospital and the Clinical Research Centre. Lung volumes were performed by body plethysmography and spirometry from November 2016 to March 2018.

Results:

The male sex (69.7%) was the most frequent and the predominant age group was older than 65 years (60.6%). 41.2% of the patients had moderately severe degree of obstruction. Total lung capacity and residual volume were normal, 72.7% and 42.5%, respectively. 43.8% of the patients had mild hyperinflation. Grade 3 dyspnea was the one that predominated in the patients. 12.1% of the patients showed increased residual volume due to severe air trapping with decreased forced expiratory volume in the first second.

Conclusions:

The behavior of lung volumes by body plethysmography in chronic obstructive pulmonary disease with clinical-spirometric dissociation, evidenced decrease in forced expiratory volume in the first second and increased in residual volume related to the degree of dyspnea.

Palavras-chave : chronic obstructive pulmonary disease; spirometry; total plethysmography; static lung volume.

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