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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.
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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.
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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.
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Association Between Pulmonary Tuberculosis and Bronchial Anthracosis.

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Blackened bronchi (anthracosis) significantly increases the risk of developing tuberculosis (TB). Biomass fuel smoke exposure is a key risk factor for anthracosis and subsequent TB development. Further TB investigations are crucial for patients with anthracosis.

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Area of Science:

  • Pulmonary Medicine
  • Infectious Diseases
  • Environmental Health

Background:

  • Anthracosis, a black discoloration of the bronchi, can lead to anthracofibrosis.
  • Exposure to biomass fuel, air pollution, or workplace smoke are common causes.
  • The link between anthracosis and tuberculosis (TB) requires further investigation.

Purpose of the Study:

  • To determine the association between tuberculosis and anthracosis.
  • To assess the prevalence of TB in patients with and without anthracosis.

Main Methods:

  • Patients with chronic respiratory symptoms and chest X-ray findings underwent bronchoscopy.
  • Diagnosis of TB was confirmed via acid-fast bacilli smear, mycobacterial culture, or Xpert MTB/RIF assay.
  • Patients were categorized into anthracosis and control groups based on bronchoscopic findings.

Main Results:

  • Tuberculosis was diagnosed in 39.30% of patients with anthracosis, significantly higher than the 27.04% in the control group (p=0.020).
  • The Xpert MTB/RIF assay was positive in 79.41% of TB cases with anthracosis.
  • All female patients with anthracosis were homemakers using biomass fuel, with a 3:1 male-to-female ratio observed.

Conclusions:

  • Biomass fuel smoke exposure predisposes individuals to anthracosis.
  • Anthracosis is significantly associated with an increased risk of developing tuberculosis.
  • Screening for tuberculosis is recommended for patients with anthracosis, especially those exposed to biomass fuel smoke.