Computer-assisted intraoperative mapping of the entire ventricular epicardium in the wolff-parkinson-white syndrome

Humberto J. Vidaillet, James E. Lowe, Lawrence D. German, Peng-Sheng Chen, G. Stephen Greer, Marcel R. Gilbert, William M. Smith, Seth J. Worley, Raymond E. Ideker

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Intraoperative mapping with a hand-held, roving electrode requires a sustained rhythm lasting 5 to 10 minutes. To overcome this limitation, a computerized mapping system that records from 60 epicardial electrodes simultaneously was used to study 16 patients with Wolff-Parkinson-White syndrome. A sock containing 6 rows of electrodes arranged concentrically from base to apex was placed over the ventricles. The total time from placing the sock to analyzing the most basal row of electrode recordings was 5 minutes. A 39 × 44-mm plaque containing 56 electrodes was then placed across the atrioventricular (AV) groove for detailed simultaneous mapping of the ventricle and atrium in the preexcited region identified from the most basal row of sock electrodes. During plaque placement and recording, the remaining sock recordings were analyzed and a complete isochronal epicardial map was drawn. The plaque recordings were then analyzed. This technique rapidly detects early activation at the AV groove as do other computer systems using only a band of electrodes around the AV groove. Also, complete epicardial mapping supplied important additional information. One patient with a posterior paraseptal accessory pathway had ventricular epicardial breakthrough below the strip recorded by the AV band. When more than 1 early activation site was present along the AV groove, complete maps allowed multiple pathways to be differentiated from normal activation fronts ascending from the bundle branches. Complete epicardial maps allowed the study of rapidly changing or short-lived electrical events including isolated premature impulses, initiation and termination of reciprocating tachycardia by pacing, entrainment and changing degrees of fusion created by pacing during reciprocating tachycardia, and ventricular responses during atrial fibrillation. Thus, computer-assisted mapping of the entire ventricular epicardium offers specific advantages over both hand-held probe mapping and computer mapping using only an AV band of electrodes.

Original languageEnglish (US)
Pages (from-to)940-948
Number of pages9
JournalThe American Journal of Cardiology
Volume58
Issue number10
DOIs
StatePublished - Nov 1 1986
Externally publishedYes

Fingerprint

Wolff-Parkinson-White Syndrome
Pericardium
Electrodes
Reciprocating Tachycardia
Hand
Epicardial Mapping
Computer Systems
Atrial Fibrillation

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Computer-assisted intraoperative mapping of the entire ventricular epicardium in the wolff-parkinson-white syndrome. / Vidaillet, Humberto J.; Lowe, James E.; German, Lawrence D.; Chen, Peng-Sheng; Stephen Greer, G.; Gilbert, Marcel R.; Smith, William M.; Worley, Seth J.; Ideker, Raymond E.

In: The American Journal of Cardiology, Vol. 58, No. 10, 01.11.1986, p. 940-948.

Research output: Contribution to journalArticle

Vidaillet, HJ, Lowe, JE, German, LD, Chen, P-S, Stephen Greer, G, Gilbert, MR, Smith, WM, Worley, SJ & Ideker, RE 1986, 'Computer-assisted intraoperative mapping of the entire ventricular epicardium in the wolff-parkinson-white syndrome', The American Journal of Cardiology, vol. 58, no. 10, pp. 940-948. https://doi.org/10.1016/S0002-9149(86)80016-9
Vidaillet, Humberto J. ; Lowe, James E. ; German, Lawrence D. ; Chen, Peng-Sheng ; Stephen Greer, G. ; Gilbert, Marcel R. ; Smith, William M. ; Worley, Seth J. ; Ideker, Raymond E. / Computer-assisted intraoperative mapping of the entire ventricular epicardium in the wolff-parkinson-white syndrome. In: The American Journal of Cardiology. 1986 ; Vol. 58, No. 10. pp. 940-948.
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