[Clinico-functional studies in patients with bird fancier's lung].

Bird fancier's lung is a typical manifestation of extrinsic allergic alveolitis. In 107 cases with etiologically and histologically verified diagnosis tests of pulmonary function and hemodynamics were performed at admission to hospital and after 2-3 years of allergen abstinence and therapy. Acute forms of disease show distinct functional improvement, while chronic forms lead to increasing impairment.