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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

134
Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
134
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

312
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
312
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

213
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
213
Pulmonary Function Tests01:25

Pulmonary Function Tests

311
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
311
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

170
Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
170
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

221
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
221

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A 3D Human Lung Tissue Model for Functional Studies on Mycobacterium tuberculosis Infection
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Post-pulmonary tuberculosis lung function: a systematic review and meta-analysis.

Sharina Ratnakumar1, Sally E Hayward2, Emma K Denneny3

  • 1UCL Respiratory, University College London, London, UK; St George's School of Health and Medical Sciences, City St George's University of London, London, UK.

The Lancet. Global Health
|May 24, 2025
PubMed
Summary
This summary is machine-generated.

Pulmonary tuberculosis survivors experience significantly reduced lung function, particularly forced expiratory volume in 1 second (FEV1), indicating persistent respiratory impairment. This systematic review highlights the long-term impact of tuberculosis on lung health.

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology

Background:

  • Post-tuberculosis lung disease is a significant health concern.
  • Objective data on functional impairment in tuberculosis survivors are limited.

Purpose of the Study:

  • To systematically review and meta-analyze lung function impairment after pulmonary tuberculosis.
  • To examine differences in ventilatory defects in tuberculosis survivors.

Main Methods:

  • Systematic search of Embase, MEDLINE, and CINAHL databases (2000-2024).
  • Inclusion of studies comparing lung function tests in pulmonary tuberculosis survivors versus healthy controls.
  • Extraction of spirometric data including FEV1, FVC, and their ratios; use of random effects models for meta-analysis.

Main Results:

  • Analysis of 19 studies involving 7447 tuberculosis survivors.
  • Significant negative impact of prior pulmonary tuberculosis on absolute FEV1, FVC, and FEV1/FVC ratio.
  • Pooled standardized mean differences indicated reduced FEV1% and FVC% in survivors compared to controls.

Conclusions:

  • Individuals recovering from pulmonary tuberculosis exhibit significantly decreased lung function.
  • FEV1 is more affected than FVC, suggesting a mixed obstructive and restrictive pattern with predominant airflow obstruction.
  • The findings underscore the chronic respiratory consequences of pulmonary tuberculosis.