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Related Experiment Videos

[A new balloon electrode for intraoperative endocardial mapping].

T Misaki1, H Ohtake, I Matsumoto

  • 1Department of Surgery (1), Kanazawa University School of Medicine.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 1, 1992
PubMed
Summary

A novel balloon electrode with 46 recording sites improves intraoperative epicardial mapping for locating arrhythmia sources. This tool aids in identifying the precise origin of conditions like Wolff-Parkinson-White syndrome and ventricular tachycardia.

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Area of Science:

  • Cardiovascular Electrophysiology
  • Medical Device Engineering

Context:

  • Intraoperative arrhythmia source localization is critical for effective treatment.
  • Existing epicardial mapping techniques may have limitations in precision and coverage.

Purpose:

  • To develop and evaluate a novel balloon electrode system for enhanced intraoperative epicardial mapping.
  • To improve the accuracy and utility of identifying arrhythmia origins during surgery.

Summary:

  • A new balloon electrode featuring 46 snap electrode recording sites, constructed with gold and steel wire, was developed.
  • The electrode, covered with Presnet-tubular dressing material, offers high-density bipolar recording sites (1.0 mm diameter, 1.5 mm spacing).
  • This device demonstrated effectiveness in two patients, one with Wolff-Parkinson-White syndrome and another with ventricular tachycardia, for intraoperative lesion determination.

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Impact:

  • Provides a more precise tool for surgeons to locate the source of cardiac arrhythmias.
  • Potentially improves patient outcomes by enabling more targeted surgical interventions.
  • Advances the field of intraoperative electrophysiological mapping with a novel device design.