Nasal Intubation Using King Vision Video Laryngoscopy

Comparison King Vision Video Laryngoscopy 、McGrath MAC Video Laryngoscopy With Macintosh Laryngoscopy for Nasal Intubation

This study was designed to determine the comparison between the King Vision video laryngoscope 、 McGrath MAC video laryngoscope and Macintosh laryngoscope for nasotracheal intubation.Patients were divided into 3 groups of 30 patients each.Patients of King Vision group [n=30]、 McGrath MAC group [n=30] and Macintosh group[n=30]were intubated using respective devices.This study is the first to search the use of King Vision video laryngoscope for nasotracheal intubation.

Inclusion Criteria:

• ASA physical status 1-2
• general anesthesia with nasotracheal intubation
• anticipated difficult airway

Exclusion Criteria:

• contraindications to nasal intubation
• Patients with a history of anti-hypertensive drugs