The Journal of Bone and Joint Surgery, Vol 76, Issue 3 360-365, Copyright © 1994 by Journal of Bone and Joint Surgery, Inc
Upper-airway obstruction and perioperative management of the airway in patients managed with posterior operations on the cervical spine for rheumatoid arthritis
I Wattenmaker, M Concepcion, P Hibberd and S Lipson
Department of Anesthesiology, Brigham and Women's Hospital, Boston, Massachusetts 02115.
We reviewed the records of 128 patients who had a total of 128 consecutive
posterior operations on the cervical spine for problems related to
rheumatoid arthritis. Our purpose was to examine perioperative
complications related to the airway. The patients were divided into two
groups for analysis on the basis of the technique of intubation that had
been used. An upper-airway obstruction developed after extubation in eight
(14 per cent) of the fifty-eight patients who had been intubated without
fiberoptic assistance compared with one (1 per cent) of the seventy
patients who had been intubated fiberoptically (p = 0.02). The two groups
had similar characteristics with regard to age, sex, severity of the
myelopathy, American Rheumatology Association classification, American
Society of Anesthesiologists physical status classification, cigarette use,
duration of the arthritis, use of preoperative traction, use of steroids
(both preoperatively and intraoperatively), size of the endotracheal tube,
duration of the operation, total duration of the anesthesia, intraoperative
fluid balance, and type of immediate immobilization of the neck. The only
significant difference between the groups was the time to extubation, which
averaged 17.9 hours in the fiberoptic group and 10.6 hours in the
non-fiberoptic group (p = 0.02). Logistic regression analysis showed that
non-fiberoptic intubation was the significant risk factor, even when
allowance was made for the difference in the lengths of time to extubation.
We concluded that this life-threatening complication can be minimized with
fiberoptic management of the airway.