The Use of Oxygen/Air Blender during Transoral Laser Microsurgery with Supraglottic Manual Jet Ventilation: A Safe Approach

Table 1

Preoperative data and operative data.

Patient	#1	#2	#3
Preoperative data
Age (y)	50	63	24
Gender	F	M	F
Diagnosis	Subglottic stenosis	Subglottic stenosis; Polypoid corditis	Subglottic stenosis
Etiology	Prolonged intubation	Prolonged intubation; Post-tracheostomy	Idiopathic
Operative data
Surgical interventions	MDL with KTP laser radial cuts, balloon dilation, and steroid injection	MDL with KTP laser radial cuts, balloon dilation, and steroid injection	MDL with CO2 laser radial cuts, balloon dilation, and steroid injection
Laser setting	KTP continuous mode 10 W	KTP continuous mode 5 W (stenosis) and 2 W (VFs ablation)	CO2 continuous mode 5 W
Complications^†	Intubation	Intubation	None

CO₂, carbon dioxide; FiO₂, fraction of inspired oxygen concentration; KTP, potassium-titanyl-phosphate; MDL, microdirect laryngoscopy; VFs, vocal folds. ^†Major intraoperative complications assess included unplanned intubation and airway fire or ignition.