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Ann Thorac Surg 1991;51:225-226
© 1991 The Society of Thoracic Surgeons

Articles

Electrocautery does not interfere with the function of the automatic implantable cardioverter defibrillator

John H. Wilson, MD*, Stephen Lattner, RCT, Robert Jacob, MD, Robert Stewart, MD

Department of Cardiology, Good Samaritan Hospital, Cincinnati, Ohio USA

Accepted for publication October 1, 1990.

* Address reprint requests to Dr Wilson, Department of Cardiology, Good Samaritan Hospital, 3217 Clifton Ave, Cincinnati, OH 45220.

The automatic implantable cardioverter defibrillator (AICD) manufactured by Cardiac Pacemakers, Inc, contains an automatic sensitivity adjustment. We tested whether this feature would prevent sensing of signals generated by electrocautery by implanting three different models of the AICD in 4 mongrel dogs. Unipolar electrocautery was applied at maximum output to a site close to the rate-sensing leads. The devices were monitored with an AICD-check probe and by auditory monitoring of QRS synchronous tones. No sensing of the electrocautery by the device occurred. Three patients with two different AICD models (1550 and 1520) underwent five surgical procedures in which electrocautery was used. No sensing of electrocautery signals, device charging, or other device malfunction occurred.






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Copyright © 1991 by The Society of Thoracic Surgeons.