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Related Experiment Videos

External defibrillation during reoperative heart surgery.

D Lindblom1, M Runsiö

  • 1Department of Thoracic Surgery, Karolinska Hospital, Stockholm, Sweden.

Scandinavian Journal of Thoracic and Cardiovascular Surgery
|January 1, 1990
PubMed
Summary

A new remote external defibrillation system proved effective in open-heart surgery patients. This inexpensive device successfully defibrillated 84% of patients, reducing operating time and blood loss.

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Area of Science:

  • Cardiovascular Surgery
  • Medical Devices
  • Electrophysiology

Background:

  • Repeat open-heart surgery poses challenges, including potential arrhythmias.
  • Intrapericardial dissection increases operating time and blood loss.
  • Effective external defibrillation is crucial for patient safety during cardiac procedures.

Purpose of the Study:

  • To evaluate an inexpensive remote external defibrillation system.
  • To assess the system's efficacy and safety in patients undergoing repeat open-heart surgery.
  • To determine the impact of the system on operating time and blood loss.

Main Methods:

  • A novel remote external defibrillation system was used.
  • The system involved self-adhesive pads and a remote bracket with standard electrodes.
  • The study included 25 patients undergoing repeat open-heart surgery.

Main Results:

  • Successful defibrillation was achieved in 84% of patients.
  • 12% of patients converted spontaneously.
  • 90% of successful conversions occurred at energy levels ≤ 200 Ws.
  • No complications were reported with the defibrillation procedure.

Conclusions:

  • The remote external defibrillation system is an effective and safe option.
  • The system reduces the need for intrapericardial dissection, shortening operating time and blood loss.
  • This method is recommended for high-risk operations prone to ventricular arrhythmia.

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