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[Successful high-frequency current ablation of three accessory conduction pathways in a single session]
I Chiladakis1, J Hebe, C Weiss
1Abteilung für Kardiologie, Universitätskrankenhaus Eppendorf, Hamburg.
Zeitschrift Fur Kardiologie
|November 1, 1992
Summary
This case study details the successful ablation of three accessory atrioventricular pathways in a patient with Wolff-Parkinson-White syndrome. The complex case highlights effective diagnosis and treatment of multiple accessory pathways in a single session.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- Wolff-Parkinson-White syndrome is characterized by accessory atrioventricular connections causing preexcitation.
- Multiple accessory pathways can present with complex electrocardiographic findings.
Observation:
- A 25-year-old male presented with symptomatic Wolff-Parkinson-White syndrome.
- Discordant preexcitation patterns and changing QRS morphology suggested multiple accessory pathways.
Findings:
- Three distinct accessory atrioventricular pathways were identified and ablated in a single electrophysiology session.
- A right anteroseptal, a left lateral, and a right midseptal pathway were successfully ablated sequentially.
- The identification of subsequent pathways was facilitated by the ablation of preceding ones.
Implications:
- Simultaneous diagnosis and ablation of multiple accessory pathways are feasible and effective.
- This approach can lead to successful symptom resolution and long-term freedom from preexcitation.
- Careful electrophysiological mapping is crucial for identifying all accessory pathways in complex cases.