What are relative contraindications for use of laryngeal mask airway (LMA)?

Updated: Dec 28, 2018
  • Author: Nichole Bosson, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Answer

Relative contraindications (in the elective setting) are as follows:

  • Increased risk of aspiration: Prolonged bag-valve-mask ventilation, morbid obesity, second or third trimester pregnancy, patients who have not fasted before ventilation, upper gastrointestinal bleed

  • Suspected or known abnormalities in supraglottic anatomy

  • Need for high airway pressures (In all but the LMA ProSeal, pressure cannot exceed 20 mm water for effective ventilation.)


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