Intraoperative use of automated external defibrillator

Area of Science:

• Anesthesiology
• Cardiology
• Medical Devices

Background:

• Peripartum cardiomyopathy presents unique anesthetic challenges, particularly with coexisting arrhythmias like ventricular tachycardia.
• Surgical intervention for conditions like tracheal stenosis in patients with cardiac compromise requires careful planning and monitoring.
• Automatic implantable cardioverter-defibrillators (AICDs) are used for managing life-threatening ventricular arrhythmias but require specific protocols during surgery.

Observation:

• An automated external defibrillator (AED) was utilized intraoperatively for a patient with peripartum cardiomyopathy and frequent ventricular tachycardia undergoing tracheal stenosis surgery.
• The AICD was deactivated, and an AED was placed for continuous monitoring and potential intervention.
• The AED successfully identified and treated episodes of ventricular tachycardia during the surgical procedure.

Findings:

• The AED provided a rapid and effective response to ventricular tachycardia in the context of peripartum cardiomyopathy.
• Hands-free operation of the AED facilitated seamless integration into the surgical workflow, minimizing disruption.
• The use of an AED in this scenario demonstrated its utility as a safe and efficient alternative or adjunct to internal defibrillators during surgery.

Implications:

• This case highlights the potential benefits and safety of using AEDs in managing intraoperative arrhythmias in high-risk cardiac patients.
• Anesthetic management strategies should consider the use of external defibrillators for prompt arrhythmia control.
• Further research into the optimal use of external defibrillators in complex surgical cases involving patients with cardiomyopathy is warranted.