Coal worker's pneumoconiosis is a lung disease that results from breathing in dust from coal, graphite, or man-made carbon over a long period of time.A.D.A.M.

Causes, incidence, and risk factors

Coal worker's pneumoconiosis occurs in two forms: simple and complicated (also called progressive massive fibrosis, or PMF).

Your risk of getting coal worker's pneumoconiosis depends on how long you have been around coal dust. Most people with this disease are older than 50. Smoking does not increase your risk of developing this disease, but it may have an additional harmful effect on the lungs.

If coal worker's pneumoconiosis occurs with rheumatoid arthritis, it is called Caplan syndrome.

Symptoms

• Cough
• Shortness of breath

Signs and tests

The doctor will do a physical exam and listen to your lungs with a stethoscope. A chest x-ray or chest CT scan will be performed. You may also need lung function tests.

Treatment

There is no specific treatment for this disorder. You should avoid further exposure to the dust.

Support Groups

For additional resources, see lung disease support group.

Expectations (prognosis)

The outcome for the simple form is usually good. It rarely causes disability or death. The complicated form may cause shortness of breath that gets progressively worse.

Complications

Complications may include:

• Chronic bronchitis
• Chronic obstructive pulmonary disease (COPD)
• Cor pulmonale (failure of the right side of the heart)
• Respiratory failure

Calling your health care provider

Call for an appointment with your health care provider if you develop symptoms of coal worker's pneumoconiosis.

Prevention

Wear a protective mask when working around coal, graphite, or man-made carbon. Companies should enforce the maximum permitted dust levels.

References

1. Cowie RL, Murray J, Becklake MR. Pneumoconioses and other mineral dust-related diseases. In: Mason RJ, Broaddus VC, Martin TR, et al, eds. Murray and Nadel's Textbook of Respiratory Medicine. 5th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 65.
2. Samet JM. Occupational pulmonary disorders. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 93.

Review Date: 6/10/2011.

Reviewed by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Denis Hadjiliadis, MD, Assistant Professor of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania, Philadelphia, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.