Abstract
Background: Arterial hypoxaemia is the common complication, since respiratory depressant drugs are used for premedication, and the airway is also partially occluded by the bronchoscope. The study is therefore designed to nd out the changes in arterial oxygen tension and PFTduring FOB. Objectives: To nd out the changes in arterial oxygen tension and pulmonary function tests during FOB. Methods: One hundred patients aged 20 years above undergoing FOB were evaluated for the arterial oxygen tension and pulmonary function tests changes at KNCH, Jodhpur. Results: All patients developed a fall in PaO2 following FOB but hypoxemia was noted only in 18 cases. Bronchial washing, punch biopsy and brush biopsy did contribute to hypoxemia signicantly. The pulmonary functions which include change in V.C, FVC, FEV1 and PEFR after FOB, no statistical difference could be observed on statistically comparison. Conclusion: All patients showed a decline in arterial PaO2 after FOB which was highly signicant. FOB itself does not cause any signicant or serious complications.
Published Version
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