Evaluation of esophageal injuries after defibrillation with transesophageal ultrasound probe in the mid-esophagus in pigs - 20/11/23
, Nicholas M. Levin, MD b, Scott Youngquist, MD c, Christopher Kelly, MD c, Guillaume Hoareau, PhD, DVM c, Michael Austin Johnson, MD c, Patrick Ockerse, MD cAbstract |
Objective |
Transesophageal echocardiography (TEE) is becoming increasingly utilized by emergency medicine providers during cardiac arrest. Intra-arrest, TEE confers several benefits including shorter pauses in chest compressions and direct visualization of cardiac compressions. Many ultrasound probe manufacturers recommend against performing defibrillation with the TEE probe in the mid-esophagus for fear of causing esophageal injury or damage to the probe, however no literature exists that has investigated this concern. To assess this, we performed cardiopulmonary resuscitation (CPR) and multiple defibrillations in 8 swine with a TEE probe in place.
Methods |
We performed TEE on 8 adult swine during CPR and performed multiple 200 J defibrillations with the TEE probe in the mid-esophagus. Post-mortem, esophagi were dissected and inspected for evidence of injury.
Results |
On macroscopic inspection of 8 esophagi, no evidence of hematoma, thermal injury, or perforation was noted.
Conclusion |
Our study suggests that performing defibrillation during CPR with a TEE probe in place in the mid-esophagus is likely safe and low risk for significant esophageal injury. This further bolsters the use of TEE in CPR and would enable continuous visualization of cardiac activity without the need to remove the TEE probe for defibrillation.
Le texte complet de cet article est disponible en PDF.Keywords : Cardiac arrest, Transesophageal echocardiography, Emergency ultrasound, Cardiopulmonary resuscitation
Plan
Vol 74
P. 14-16 - décembre 2023 Retour au numéro
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