Key result
Right ventriculotomy for VSD closure is linked to frequent, prognostically benign RBBB and T-wave changes.
Why the study?
Right bundle-branch block and T-wave changes frequently occur after closure of ventricular septal defects via right ventriculotomy, but their mechanisms and clinical significance are unclear.
Does right ventriculotomy for ventricular septal defect closure cause electrocardiographic changes in patients with VSD?
Population
Patients with ventricular septal defects undergoing closure via right ventriculotomy, particularly with infundibular stenosis and muscle resection
Comparison
Patients undergoing other operations with bubble oxygenators without right ventriculotomy
Design
Observational cohort study
Authors
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May indicate iatrogenic septal injury during VSD repair; leaves open optimal techniques to minimize conduction disturbance.
Observational
Does right ventriculotomy for ventricular septal defect closure cause electrocardiographic changes in patients with VSD?
Right ventriculotomy for VSD closure frequently causes right bundle-branch block and extensive T-wave changes, though these appear to have no prognostic significance.
Fisher et al. (1960) conducted an observational in Ventricular Septal Defects. Right ventriculotomy and closure of ventricular septal defects vs. Other operations without right ventriculotomy was evaluated on Electrocardiographic changes (right bundle-branch block and T-wave abnormalities). Right ventriculotomy for closure of ventricular septal defects frequently resulted in right bundle-branch block and extensive T-wave changes, which had no prognostic significance.
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