Why the study?
Does infundibular resection or VSD closure cause apparent right bundle branch block during transatrial repair of tetralogy of Fallot?
Population
17 patients with preoperative right ventricular hypertrophy and no right bundle branch block.
Comparison
Transatrial repair including infundibular… vs Preoperative state and intermediate surgical…
Design
Case_series
Authors
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Infundibular resection was linked to RBBB in this TOF case; leaves open confirmation and prevention in larger series.
Does infundibular resection or VSD closure cause apparent right bundle branch block during transatrial repair of tetralogy of Fallot?
Right bundle branch block after transatrial repair of tetralogy of Fallot is primarily caused by infundibular resection rather than VSD closure, resulting from damage to the right ventricular conduction system.
Horowitz et al. (1979) studied this question.
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