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Bronchoalveolar lavage with trypsin in pulmonary alveolar proteinosis.
  1. Y. Nagasaka,
  2. M. Takahashi,
  3. H. Ueshima,
  4. Y. Tohda,
  5. S. Nakajima
  1. Fourth Department of Medicine, Kinki University School of Medicine, Osaka, Japan.


    Two cases of pulmonary alveolar proteinosis were treated with bronchoalveolar lavage (BAL) via a fibreoptic bronchoscope. Additional clinical improvement was seen when trypsin was added to the lavage fluid. Analysis of effluents in the BAL fluid showed marked reduction of protein constituents with clinical improvement after treatment with trypsin in the lavage. BAL with trypsin was well tolerated.

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