Obstructive airway compromise in the early postoperative period after orthognathic surgery.

Between January 1, 1989 and April 30, 2012, approximately 2164 consecutive patients were treated with orthognathic surgery at the St. John's Hospital, Genk, Belgium. They all underwent a mandibular, maxillary, or bimaxillary osteotomy, performed by one of the 3 resident maxillofacial surgeons at the St.