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Entrapment and retrieval of a diagnostic electrophysiological catheter in the Chiari network

Songyun Chu1,2, Eivind Solheim2, Jian Chen2,3

  • 1Department of Cardiology Peking University First Hospital Beijing China.

Journal of Arrhythmia
|December 18, 2018
PubMed

Insights

Catheter entrapment in the Chiari network during electrophysiology studies can be challenging. A lead extraction tool successfully freed a diagnostic catheter, allowing for a safe atrial fibrillation ablation.

Area of Science:

  • Cardiology
  • Embryology

Background:

  • Chiari networks are remnant venous valves in the right atrium.
  • These networks present challenges during cardiac electrophysiological studies.

Observation:

  • A diagnostic catheter became entangled within a Chiari network during an electrophysiological study.
  • This complication occurred in a patient undergoing atrial fibrillation ablation.

Findings:

  • Successful retraction of the entangled diagnostic catheter was achieved using a lead extraction tool.
  • The patient subsequently underwent a rescheduled cryoablation procedure without complications.

Implications:

  • Lead extraction tools can be effective in managing catheter entrapment by Chiari networks.
  • This technique facilitates the safe completion of cardiac ablation procedures in affected patients.

Keywords:
Chiari networksdiagnostic catheterlead extraction tool

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