Postoperative Pharyngolaryngeal Adverse Events with Laryngeal Mask Airway (LMA Supreme) in Laparoscopic Surgical Procedures with Cuff Pressure Limiting 25 : Prospective, Blind, and Randomised Study

Table 2

Laryngeal mask airway (LMA) parameters compared between low and high LMA cuff pressures.

	LMA insertion		𝑃	After CO2		𝑃	LMA removal		𝑃
	L group	H group		L group	H group		L group	H group
LMA cuff
Vol (ml)	19.5±3.5	31.0±3.6	<0.001	—	—	—	19.5±3.5	31.4±3.5	<0.001
Pr (cmH2O)	18.6±2.5	55.9±3.2	<0.001	18.8±4.0	56.0±4.8	<0.001	—	—	—
OLP (cmH2O)	27.2±7.0	31.1±9.7	0.025	29.0±8.1	31.3±9.9	0.208	—	—	—
Airway pr (cmH2O)
Peak	12.1±2.6	13.0±2.6	0.106	17.0±4.1	18.4±3.8	0.106	—	—	—
Mean	5.3±0.9	5.6±1.2	0.109	6.5±1.3	7.0±1.5	0.154	—	—	—

Values are expressed as mean ± standard deviation.
After CO₂: after carbon dioxide insufflation; L group: laryngeal mask airway (LMA) cuff pressure limiting 25 cmH₂O group; H group: LMA cuff pressure at 60 cmH₂O group; Vol: volume of air for LMA cuff inflation; Pr: pressure of air for LMA cuff inflation; OLP: oropharyngeal leak pressure; Airway pr: airway pressure.