A case report of a rare and distinctive pacing pattern during left bundle branch pacing in a child with third-degree atrioventricular block following ventricular septal defect repair - Report - MDSpire
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A case report of a rare and distinctive pacing pattern during left bundle branch pacing in a child with third-degree atrioventricular block following ventricular septal defect repair
Clinical Report: Unique Pacing Pattern in Pediatric AV Block Post VSD Repair
Overview
This report describes a rare case of a 3-year-old girl who developed third-degree atrioventricular block and right bundle branch block after ventricular septal defect repair, subsequently receiving left bundle branch pacing. The unusual pacing pattern observed during the procedure highlights the complexities of managing postoperative conduction disturbances in pediatric patients.
Background
Atrioventricular block is a common complication following ventricular septal defect (VSD) repair, often necessitating pacemaker implantation. Left bundle branch pacing (LBBP) is increasingly favored in pediatric patients due to its physiological benefits, yet unexpected pacing patterns can arise, complicating clinical management. Understanding these patterns is crucial for optimizing pacing strategies and improving patient outcomes.
Data Highlights
No numerical data or trial data presented in the article.
Key Findings
['A 3-year-old girl developed third-degree atrioventricular block and right bundle branch block after VSD repair.', 'Left bundle branch pacing was performed, resulting in an unexpected right bundle branch block pattern on ECG.', 'The pacing lead initially contacted the right ventricular septal myocardium, leading to superficial fixation.', 'The final pacing site was confirmed in the left bundle branch region with improved pacing parameters.', 'This case illustrates a rare phenomenon not previously documented in the literature.']
Clinical Implications
Clinicians should be aware of the potential for atypical pacing patterns during left bundle branch pacing, particularly in pediatric patients with a history of cardiac surgery. Careful monitoring and understanding of the conduction system are essential to mitigate complications and optimize pacing strategies.
Conclusion
This case underscores the importance of recognizing unusual pacing patterns in pediatric patients post-cardiac surgery, which may influence clinical decision-making and patient management.
