Effects of remifentanil anesthesia on cardiac electrophysiologic properties in children undergoing catheter ablation of supraventricular tachycardia

Alisa Niksch, Leonardo Liberman, Anthony Clapcich, Johanna C. Schwarzenberger, Eric S. Silver, Robert H. Pass

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Remifentanil is commonly used during anesthesia in pediatric electrophysiologic studies (EPS). The purpose of this study is to determine the effects of remifentanil on the cardiac electrophysiologic properties of children undergoing ablation of supraventricular tachycardia (SVT). A prospective study was performed in patients undergoing EPS before ablation of SVT. Each patient received two different anesthetic protocols: protocol 1 = propofol (200 mcg/kg/min) and protocol 2 = propofol (120 mcg/kg/min) plus remifentanil (0.3 mcg/kg/min). EPS data were measured during the steady state of each protocol. Paired Student t test was performed for analysis of continuous data. All p values <0.05 were considered statistically significant. Fifteen patients were enrolled between April 2005 and January 2006. The mean age was 13.3 ± 2.9 years (range 6.7 to 17.7). Seven patients had atrioventricular (AV) nodal re-entry tachycardia; 5 patients had Wolff-Parkinson-White syndrome; 2 patients had a concealed accessory pathway; and 1 patient was not inducible. Of the 14 patients who underwent ablation, 13 (93%) achieved successful. The baseline sinus cycle length extended from 884 ± 141 ms during protocol 1 to 980 ± 165 ms during protocol 2 (p = 0.01), and the Wenckebach cycle length lengthened from 377 ± 96 ms to 406 ± 109 ms (p = 0.01). No other variables measured (atrial-His (AH) and His-ventricular (HV) interval, atrioventricular node (AVN), and atrial, ventricular, and accessory pathway effective refractory periods) changed significantly between the two different protocols. In pediatric patients undergoing EPS before ablation of SVT, remifentanil appears to slow both sinus and AV nodal function. These effects should be taken into consideration when performing EPS.

Original languageEnglish (US)
Pages (from-to)1079-1082
Number of pages4
JournalPediatric Cardiology
Volume31
Issue number7
DOIs
StatePublished - Oct 2010

Fingerprint

Supraventricular Tachycardia
Catheter Ablation
Anesthesia
Propofol
Accessory Atrioventricular Bundle
Pediatrics
remifentanil
Wolff-Parkinson-White Syndrome
Atrioventricular Node
Tachycardia
Anesthetics
Prospective Studies
Students

Keywords

  • Ablation
  • Remifentanil
  • SVT

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pediatrics, Perinatology, and Child Health

Cite this

Effects of remifentanil anesthesia on cardiac electrophysiologic properties in children undergoing catheter ablation of supraventricular tachycardia. / Niksch, Alisa; Liberman, Leonardo; Clapcich, Anthony; Schwarzenberger, Johanna C.; Silver, Eric S.; Pass, Robert H.

In: Pediatric Cardiology, Vol. 31, No. 7, 10.2010, p. 1079-1082.

Research output: Contribution to journalArticle

Niksch, Alisa ; Liberman, Leonardo ; Clapcich, Anthony ; Schwarzenberger, Johanna C. ; Silver, Eric S. ; Pass, Robert H. / Effects of remifentanil anesthesia on cardiac electrophysiologic properties in children undergoing catheter ablation of supraventricular tachycardia. In: Pediatric Cardiology. 2010 ; Vol. 31, No. 7. pp. 1079-1082.
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