Comparison of subjects with pulmonary emphysema on computed tomography with and without airflow obstruction on spirometry

Authors

Keywords:

COPD, emphysema, spirometric, computed tomography.

Abstract

Introduction: Pulmonary emphysema without airflow obstruction is one of the symptoms on which chronic obstructive pulmonary disease can manifest.
Objective: To compare patients with pulmonary emphysema in computed tomography with and without airflow obstruction by spirometry.
Methods: Cross-sectional study in subjects over 40 years of age who underwent spirometry and chest tomography in a specialized medical center between 2018 and 2020. A descriptive analysis was performed, summarizing the qualitative variables in frequencies and percentages and the quantitative variables in mean and standard deviation if their distribution was normal, and median and interquartile range if their distribution was not normal. Four groups were constructed based on the presence or absence of tomographic findings of emphysema and pulmonary function tests.
Results: Subjects without emphysema with obstructive alteration presented a greater exposure to wood smoke with 62.5 % and less exposure to smoking with 29.2 %. Forced vital capacity was lower in subjects with emphysema without obstructive alteration when compared with subjects without emphysema and normal lung function tests, forced expiratory volume in 1 second/forced vital capacity ratio was similar in these last two groups.
Conclusion: Subjects with emphysema without obstructive spirometric alteration have a frequent history of smoking, high frequency of dyspnea and lower frequency of cough when compared with patients with obstructive alteration in pulmonary function, the forced vital capacity of subjects with emphysema without obstruction is lower. to that of subjects without emphysema or obstruction.

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Author Biographies

Diana Díaz Quijano, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Maria Diago, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Maria Buitrago, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

David Charry Borrero, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Sharon Lechtig Wasserman, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Jhojanna Sotillo Santini, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Faure Rodríguez Velasquez, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

Diego Holguin, Universidad de La Sabana, Chía, Colombia

Facultad de Medicina, Universidad de La Sabana, Chía, Colombia

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Published

2022-07-22

How to Cite

1.
Tuta Quintero E, Bastidas Goyes A, Díaz Quijano D, Diago M, Buitrago M, Charry Borrero D, et al. Comparison of subjects with pulmonary emphysema on computed tomography with and without airflow obstruction on spirometry. Rev Cubana Med Milit [Internet]. 2022 Jul. 22 [cited 2025 Jan. 10];51(3):e02202032. Available from: https://revmedmilitar.sld.cu/index.php/mil/article/view/2032

Issue

Section

Research Article

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