Airway ultrasound for the confirmation of endotracheal tube placement in cadavers by military flight medic trainees - A pilot study

The American Journal of Emergency Medicine
Erin R HanlinKenton L Anderson

Abstract

Confirming correct endotracheal tube (ETT) placement is a key component of successful airway management. Ultrasound (US) as a tool for the confirmation of ETT placement has been investigated in the hospital setting but not in the pre-hospital setting. We hypothesized that after a short educational session, military flight medic trainees would be able to accurately identify ETT placement in a cadaver model. We conducted a prospective, randomized trial in a human cadaver model. Participants received a brief didactic and hands-on presentation on airway US techniques. Each participant then performed transtracheal US on cadaver models which were randomly assigned to tracheal or esophageal intubation; time to verbalize ETT location was also recorded. Participants were then asked whether they felt airway US would be a useful adjunctive skill in their practice. Thirty-two military flight medic trainees were enrolled. US had a sensitivity of 66.7% and a specificity of 76.4% for identification of esophageal intubations. The positive predictive value was 71.4% and the negative predictive value was 72.2%. Mean time to report ETT placement was 47.3s. Time did not vary between medics with accurate identification versus inaccurate identificat...Continue Reading

Citations

Jul 7, 2020·Prehospital Emergency Care : Official Journal of the National Association of EMS Physicians and the National Association of State EMS Directors·Blair D JohnsonBrian M Clemency
Jul 4, 2020·Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies·Thomas ConlonAkira Nishisaki
Aug 13, 2020·SAGE Open Medicine·Colton B AmaralTorben K Becker

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