Hypersensitivity pneumonitis natural history

Hypersensitivity pneumonitis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Most patients experience total recovery of lung function, if exposure to the agent that caused the problem is avoided or limited the exposure, but this takes several years.

Natural History and Prognosis

• In general, the majority of patients recover completely after the inciting exposure ceases.

• The prognosis of Bird Fancier's Disease is worse than Farmer's Lung.

• Other varieties of HP have more variable outcomes.

Complications

The chronic form of this disease may lead to pulmonary fibrosis (a scarring of the lung tissue that often is not reversible).

References

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