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Anaesthesia · Airway management: level of tracheostomy
Sample itemA surgeon places a tracheostomy through the first tracheal ring, immediately below the cricoid cartilage. Which late complication is the main concern?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Subglottic stenosis
A tube placed too high can injure the cricoid, the only complete ring of the airway, and healing there causes subglottic stenosis. The tracheostomy is therefore usually made at the second or third ring. Placing it too low risks innominate artery erosion.
Option by option
A. Oesophageal perforation
Perforation of the oesophagus follows posterior wall injury, not high placement.
B. Tracheomalacia of the lower trachea
Tracheomalacia affects the segment under a long-standing cuff, not the upper ring.
C. Recurrent laryngeal nerve palsy
The nerves lie in the tracheo-oesophageal groove, away from an anterior incision.
D. Subglottic stenosis (correct)
Correct. High placement damages the cricoid and scarring narrows the subglottis.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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