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Updated: Apr 15, 2026

A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
Published on: October 5, 2015
Changes in lung function according to disease extent before and after pulmonary tuberculosis.
1Department of Pulmonary and Critical Care Medicine, Hallym University Kangdong Sacred Heart Hospital, Seoul, Republic of Korea; Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea.
Pulmonary tuberculosis (PTB) significantly impairs lung function, with advanced cases causing greater decline. Early diagnosis and treatment are crucial for preserving lung health in PTB patients.
Area of Science:
- Pulmonary Medicine
- Infectious Diseases
- Respiratory Physiology
Background:
- Pulmonary tuberculosis (PTB) is a significant global health concern.
- Lung function impairment is a known sequela of PTB.
- The impact of disease extent on lung function decline post-treatment requires further elucidation.
Purpose of the Study:
- To evaluate changes in lung function after pulmonary tuberculosis treatment.
- To assess the relationship between the extent of PTB and lung function.
- To identify predictors of lung function changes in PTB patients.
Main Methods:
- Retrospective cohort study design.
- Analysis of lung function parameters (FEV1, FVC) before and after PTB treatment.
- Comparison of lung function changes based on disease extent (localized vs. advanced).
Main Results:
- A total of 41 patients were analyzed.
- Significant annual decline in FEV1 and FVC observed in both localized and advanced PTB.
- Advanced PTB was associated with a substantially greater decline in FEV1 and FVC compared to localized PTB.
Conclusions:
- Pulmonary tuberculosis leads to significant, persistent lung function decline, even in localized forms.
- Advanced PTB is linked to excessive lung function deterioration.
- Early diagnosis and prompt treatment of PTB are essential for lung function preservation.
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