Comparison of Five 2nd-Generation Supraglottic Airway Devices for Airway Management Performed by Novice Military Operators

Table 1

Main features of tested supraglottic airway devices.

Device	Sealing site	Sealing mechanism	Aspiration protection	Disposable version	Conduit for intubation	Pediatric sizes
ProSeal LMA	Perilaryngeal	Inflatable cuff	H/obstruction, drainage	No	No	Yes
Supreme LMA	Perilaryngeal	Inflatable cuff	H/obstruction, drainage	Yes	No	Yes
i-gel	Perilaryngeal	Wedged sealing	H/obstruction, drainage	Yes	Yes	Yes
SLIPA	Base of tongue	Wedged sealing	Storage, H/obstruction	Yes	No	No
LTS-D	Base of tongue	Inflatable cuff	D/obstruction, drainage	Yes	No	Yes

H/obstruction: high esophageal obstruction, D/obstruction: deep esophageal obstruction.