[Clinical analysis of bronchial foreign bodies in 246 children].

Objective: To analyze the characters of bronchial foreign bodies in children and the utilization of bronchoscope in the treatment of bronchial foreign bodies.

Methods: A total of 246 children were diagnosed with bronchial foreign bodies at our hospital during January 2000 until August 2009. Under local mucosal anesthesia, a bronchoscope was inserted through nasal cavity into bronchi.

[Measurement of pulmonary function with body plethysmograph in infants].

Objective: To observe the alterations of pulmonary function in infants with respiratory diseases.

Methods: A total of 900 infants with respiratory diseases were recruited and pulmonary function measured in 30 healthy infants. The tests were performed in the sleeping infants with sedation.