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?:abstract
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This article evaluated the extent of aerosol contamination with both eFONA techniques in a TruCric airway training manikin In the patent airway set-up with cannula cricothyroidotomy, no particles were seen In the obstructed airway set-up with cannula cricothyroidotomy and oxygen insufflation, particles were seen on the drapes cephalad to the trachea In both cannula cricothyroidotomy set-ups, no particles were seen on the Insyte needle, within the oxygen insufflation device tubing or Y-piece, on the operator\'s thumb, or on the drapes purposely placed at outflow of the Y-piece The study provides preliminary evidence that, in a manikin patent airway set-up, surgical cricothyroidotomy was associated with the most Glo Germ deposition This was secondary to contamination from the bougie after withdrawal from the tracheal tube It may also have occurred during the front-of-neck incision but we could not verify this, as cricothyroidotomy was performed without ultraviolet light illumination Cannula cricothyroidotomy with oxygen insufflation resulted in no deposition in the patent airway set-up However, deposition occurred in the obstructed airway set-up and is likely due to the higher airway pressures Contamination may be minimised by placing wet gauze around the cannula insertion site
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