Phase image analysis of anomalous ventricular activation in pediatric patients with preexcitation syndromes or ventricular tachycardia

Michael J. Silka, Ronald Chelsky, Jack Kron, Richard A. Wilson

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This prospective study evaluated the accuracy of phase analysis of scintigraphic imaging in defining the site of earliest ventricular activation in pediatric patients with electrophysiologic disorders. Twenty patients (10.8 ± 5.5 years) with preexcitation (n = 16) or ventricular tachycardia (VT) (n = 4) were independently evaluated by phase image analysis and endocardial catheter mapping. The earliest phase angle (contraction), which was common to three scintigraphic imaging planes during preexcited sinus rhythm or VT, was compared with the earliest retrograde atrial activation during reciprocating tachycardia or the origin of VT, as defined by catheter mapping. Phase analysis of earliest contraction was concordant with catheter mapping of electrical activation in all 13 free-wall accessory connections and in three of four patients with VT. Inconclusive definition of activation occurred only in paraseptal accessory connections or VT. In conclusion, phase analysis accurately defines anomalous ventricular activation that is due to free-wall accessory connections or VT. In patients with complex anatomy or small size, phase analysis allows noninvasive localization of the anatomic substrates of tachycardia.

Original languageEnglish (US)
Pages (from-to)372-380
Number of pages9
JournalAmerican Heart Journal
Volume125
Issue number2 PART 1
DOIs
StatePublished - 1993

Fingerprint

Pre-Excitation Syndromes
Ventricular Tachycardia
Pediatrics
Catheters
Reciprocating Tachycardia
Sinus Tachycardia
Tachycardia
Anatomy
Prospective Studies

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Phase image analysis of anomalous ventricular activation in pediatric patients with preexcitation syndromes or ventricular tachycardia. / Silka, Michael J.; Chelsky, Ronald; Kron, Jack; Wilson, Richard A.

In: American Heart Journal, Vol. 125, No. 2 PART 1, 1993, p. 372-380.

Research output: Contribution to journalArticle

Silka, Michael J. ; Chelsky, Ronald ; Kron, Jack ; Wilson, Richard A. / Phase image analysis of anomalous ventricular activation in pediatric patients with preexcitation syndromes or ventricular tachycardia. In: American Heart Journal. 1993 ; Vol. 125, No. 2 PART 1. pp. 372-380.
@article{011c7465a0a64af185cf02b0cd9f9cfa,
title = "Phase image analysis of anomalous ventricular activation in pediatric patients with preexcitation syndromes or ventricular tachycardia",
abstract = "This prospective study evaluated the accuracy of phase analysis of scintigraphic imaging in defining the site of earliest ventricular activation in pediatric patients with electrophysiologic disorders. Twenty patients (10.8 ± 5.5 years) with preexcitation (n = 16) or ventricular tachycardia (VT) (n = 4) were independently evaluated by phase image analysis and endocardial catheter mapping. The earliest phase angle (contraction), which was common to three scintigraphic imaging planes during preexcited sinus rhythm or VT, was compared with the earliest retrograde atrial activation during reciprocating tachycardia or the origin of VT, as defined by catheter mapping. Phase analysis of earliest contraction was concordant with catheter mapping of electrical activation in all 13 free-wall accessory connections and in three of four patients with VT. Inconclusive definition of activation occurred only in paraseptal accessory connections or VT. In conclusion, phase analysis accurately defines anomalous ventricular activation that is due to free-wall accessory connections or VT. In patients with complex anatomy or small size, phase analysis allows noninvasive localization of the anatomic substrates of tachycardia.",
author = "Silka, {Michael J.} and Ronald Chelsky and Jack Kron and Wilson, {Richard A.}",
year = "1993",
doi = "10.1016/0002-8703(93)90015-2",
language = "English (US)",
volume = "125",
pages = "372--380",
journal = "American Heart Journal",
issn = "0002-8703",
publisher = "Mosby Inc.",
number = "2 PART 1",

}

TY - JOUR

T1 - Phase image analysis of anomalous ventricular activation in pediatric patients with preexcitation syndromes or ventricular tachycardia

AU - Silka, Michael J.

AU - Chelsky, Ronald

AU - Kron, Jack

AU - Wilson, Richard A.

PY - 1993

Y1 - 1993

N2 - This prospective study evaluated the accuracy of phase analysis of scintigraphic imaging in defining the site of earliest ventricular activation in pediatric patients with electrophysiologic disorders. Twenty patients (10.8 ± 5.5 years) with preexcitation (n = 16) or ventricular tachycardia (VT) (n = 4) were independently evaluated by phase image analysis and endocardial catheter mapping. The earliest phase angle (contraction), which was common to three scintigraphic imaging planes during preexcited sinus rhythm or VT, was compared with the earliest retrograde atrial activation during reciprocating tachycardia or the origin of VT, as defined by catheter mapping. Phase analysis of earliest contraction was concordant with catheter mapping of electrical activation in all 13 free-wall accessory connections and in three of four patients with VT. Inconclusive definition of activation occurred only in paraseptal accessory connections or VT. In conclusion, phase analysis accurately defines anomalous ventricular activation that is due to free-wall accessory connections or VT. In patients with complex anatomy or small size, phase analysis allows noninvasive localization of the anatomic substrates of tachycardia.

AB - This prospective study evaluated the accuracy of phase analysis of scintigraphic imaging in defining the site of earliest ventricular activation in pediatric patients with electrophysiologic disorders. Twenty patients (10.8 ± 5.5 years) with preexcitation (n = 16) or ventricular tachycardia (VT) (n = 4) were independently evaluated by phase image analysis and endocardial catheter mapping. The earliest phase angle (contraction), which was common to three scintigraphic imaging planes during preexcited sinus rhythm or VT, was compared with the earliest retrograde atrial activation during reciprocating tachycardia or the origin of VT, as defined by catheter mapping. Phase analysis of earliest contraction was concordant with catheter mapping of electrical activation in all 13 free-wall accessory connections and in three of four patients with VT. Inconclusive definition of activation occurred only in paraseptal accessory connections or VT. In conclusion, phase analysis accurately defines anomalous ventricular activation that is due to free-wall accessory connections or VT. In patients with complex anatomy or small size, phase analysis allows noninvasive localization of the anatomic substrates of tachycardia.

UR - http://www.scopus.com/inward/record.url?scp=0027402630&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0027402630&partnerID=8YFLogxK

U2 - 10.1016/0002-8703(93)90015-2

DO - 10.1016/0002-8703(93)90015-2

M3 - Article

C2 - 8427130

AN - SCOPUS:0027402630

VL - 125

SP - 372

EP - 380

JO - American Heart Journal

JF - American Heart Journal

SN - 0002-8703

IS - 2 PART 1

ER -