Prevention of ventricular desynchronization by permanent para-hisian pacing after atrioventricular node ablation in chronic atrial fibrillation: a crossover, blinded randomized study versus right ventricular pacing
2007

Parahisian Pacing: A New Method for Cardiac Pacing

Sample size: 68 publication 10 minutes Evidence: moderate

Author Information

Author(s): Eraldo Occhetta, Miriam Bortnik, Paolo Marino

Primary Institution: Universita degli Studi del Piemonte Orientale, Novara, Italy

Hypothesis

Can parahisian pacing prevent the negative effects of right ventricular apical pacing?

Conclusion

Parahisian pacing is a reliable and effective method that prevents the negative effects associated with non-physiological right ventricular apical pacing.

Supporting Evidence

  • Parahisian pacing showed significant improvement in NYHA class and quality of life scores.
  • The pacing threshold remained stable over time.
  • Mitral regurgitation improved significantly after parahisian pacing.

Takeaway

Parahisian pacing is a new way to help the heart beat better without causing problems that can happen with other methods.

Methodology

The study involved a double-blind randomized controlled trial comparing parahisian pacing and right ventricular apical pacing in patients with advanced AV block.

Potential Biases

Potential risks include catheter instability and the theoretical risk of damaging the His bundle.

Limitations

The method may not be applicable to all patients and has higher pacing thresholds.

Participant Demographics

68 patients (45 males, 23 females; mean age 79 ± 6 years) with advanced AV block and narrow QRS complexes.

Statistical Information

P-Value

p=0.08

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1016/j.jacc.2006.01.042

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