[Anatomic pitfalls and challenges of His bundle pacing]
Alicia Jeanette Fischer1, Venkat D Nagarajan2, Siew Yen Ho2
1Department of Cardiology III, Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Albert-Schweitzer-Str. 33, 48149, Münster, Deutschland. fischera@ukmuenster.de.
Herzschrittmachertherapie & Elektrophysiologie
|May 8, 2020
Summary
Physicians can improve His bundle pacing by understanding key anatomical landmarks. This technique utilizes the natural His-Purkinje system, promoting healthier heart contractions and avoiding heart failure risks associated with traditional pacing.
Area of Science:
- Cardiology
- Electrophysiology
- Cardiac Anatomy
Background:
- Long-term right ventricular apical pacing can impair left ventricular function, potentially causing heart failure.
- Alternative pacing sites like the right ventricular outflow tract and septal pacing have been explored.
- Selective His bundle pacing aims to leverage the native His-Purkinje system for physiological myocardial contraction.
Purpose of the Study:
- To review and characterize the anatomical landmarks crucial for identifying the His bundle.
- To guide physicians in accurately targeting the His bundle for selective pacing.
Main Methods:
- Review of anatomical landmarks relevant to His bundle pacing.
- Discussion of techniques for endocardial mapping and electrocardiogram evaluation.
Main Results:
- Detailed characterization of anatomical landmarks to aid His bundle identification.
- Emphasis on the importance of integrating anatomical knowledge with electrophysiological data.
Conclusions:
- Accurate identification of anatomical landmarks is essential for successful His bundle pacing.
- This approach offers a more physiological alternative to conventional pacing methods, potentially mitigating adverse effects on ventricular function.
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