Preoperative pulmonary function tests (PFTs) are unproven in their predictive value for postoperative pulmonary complications. There is a lack of prospective outcome studies upon which to form an opinion, particularly regarding noncavitary surgery. Seventy-three head and neck surgery patients were prospectively evaluated with preoperative PFTs, arterial blood gas analysis (ABG), medical history, and physical examination. Age, anesthesia duration, forced expiratory volume in 1 second (FEV1), peak flow (PF), PaO2, Roizen class, and pack years of smoking were significantly correlated with postoperative pulmonary complications. As similar studies in head and neck surgery patients have not been previously taken, it is hoped that these results will serve as a basis for future endeavors.

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