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Table 1 Selection criteria for trial eligibility

From: Maintaining endotracheal tube cuff pressure at 20 mm Hg to prevent dysphagia after anterior cervical spine surgery; protocol of a double-blind randomised controlled trial

Inclusion criteria


Age 18-90 years

Primary anterior cervical spine surgery on 1 or more levels

Informed consent

Exclusion criteria


Pre-operative dysphagia, hoarseness or sore throat

Pre-operative recurrent laryngeal nerve palsy

Previous anterior cervical spine surgery

Inadequate Dutch language

Planned fiberoptic intubation or rapid sequence induction

Peroperative use of N2O

Mentally disabled patients