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[Arrhythmia in adults with congenital heart defects : Atrial tachycardia]

Sabine Ernst1,2, Siew Yen Ho3, Karen McCarthy3

  • 1Department of Cardiology, Royal Brompton and Harefield NHS Foundation Trust, Sydney Street, SW3 6NP, London, UK. s.ernst@rbht.nhs.uk.

Herzschrittmachertherapie & Elektrophysiologie
|June 3, 2016
PubMed

Insights

Treating atrial arrhythmias in congenital heart disease (CHD) patients is challenging. This review covers advanced ablation technologies and navigation systems for improved outcomes in complex CHD cases.

Area of Science:

  • Cardiology
  • Medical Technology
  • Electrophysiology

Background:

  • Atrial arrhythmias are common in patients with congenital heart disease (CHD).
  • Pharmacological treatments for these arrhythmias show limited success.
  • Complex cardiac anatomy in CHD patients poses challenges for ablation procedures.

Purpose of the Study:

  • To review current technologies for successful ablation in complex CHD patients.
  • To discuss 3D imaging and mapping systems for atrial arrhythmia ablation.
  • To compare navigation techniques in the context of CHD-related arrhythmias.

Main Methods:

  • Review of existing technologies for atrial arrhythmia ablation in CHD.
  • Discussion of 3D imaging modalities like MRI and CT for anatomical understanding.
  • Comparison of sequential versus simultaneous 3D mapping systems.
  • Evaluation of manual versus magnetic navigation in ablation procedures.

Main Results:

  • Advanced imaging (MRI, CT) aids in understanding complex CHD anatomy.
  • Both sequential and simultaneous 3D mapping systems have roles in ablation.
  • Magnetic navigation offers potential advantages over conventional manual navigation.
  • Technology choice depends on specific arrhythmias and CHD types.

Conclusions:

  • Successful ablation in CHD patients requires specialized technologies and techniques.
  • 3D imaging and advanced mapping systems are crucial for complex cases.
  • Navigation system choice impacts procedural success in CHD-related atrial arrhythmias.

Keywords:
Catheter ablationComputer-assisted image interpretationCross-sectional anatomyDiagnostic imagingThree-dimensional imaging

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