Cricothyrotomy

• Cricothyrotomy, also called coniotomy
• In case of upper airway obstruction with unsuccessful intubation
• Airway is opened through cricothyroid ligament between the thyroid and cricoid cartilage
• Should be converted to tracheotomy when possible
• Indications
  • Angioedema
  • Foreign body in upper airway
  • Severe facial trauma
• Procedure
  • Transverse surgical incision into skin between thyroid and cricoid cartilages
  • Incision through skin, spf cervical fascia, deep cervical fascia, pre-tracheal fascia, median cricothyroid ligament
  • Insertion of catheter