Saturday 22 September 2012

Asbestosis

Asbestosis

  • Ubiquitous use of asbestos put many at risk
  • Particular problems with roofers, shipyard workers, those making gas masks in World War II

Aetiology
  • Deposition of inhaled blue fibres in airways
  • Synergistic effect of smoking

Clinical features
  • Breathlessness
  • Cough
  • Chest pain

Investigations
  • Chest X-ray
    • Fine reticulonodular shadowing
    • Honeycomb lung
    • Pleural plaques/effusion
  • Spirometry - restrictive +/- decrease gas transfer

Diseases caused by asbestos
  • Pleural plaques
  • Pleural effusion
  • Bilateral diffuse pleural thickening
  • Mesothelioma occurs 20-40 years after exposure to asbestos dust
  • Asbestosis (restrictive fibrotic lung disease)
  • Carcinoma of the bronchus
    • Patients eligible for industrial injuries benefit

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