Table 2: Additional Risk Factors For Postoperative Airway Compromise

Surgical Patient Anesthetic Institutional
Exposure of > 3 vertebral bodies Morbid Obesity Suboptimal airway visualization No 24 hour in-house anesthesia care
Exposure of C2-C4 levels Obstructive Sleep Apnea Multiple intubation attempts No 24 hour in-house surgical staff
Blood loss > 300 ml Pulmonary disease Need for fiberoptic intubation
Operative time > 5 hours Cervical Myelopathy
Dual approach operations Prior anterior cervical surgery