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In the surgical repair of the tetralogy of Fallot with a narrow pulmonary valve annulus, the transannular patch method is used for right ventricular outflow tract repair. To prevent pulmonary regurgitation and valve calcification, we created and applied a new transannular patch method using pedicled own pericardium in a 5-month-old boy with tetralogy of Fallot. After closing the ventricular septal defect as usual with a 0.4 mm Gore-Tex sheet, we decided that the pulmonary valve could not be spared, because the pulmonary valve opening size was 6 mm. After removing the right ventricular abnormal myocardium, each edge of the pedicled own pericardium patch was sewn from 5 mm above the pulmonary valve commissures toward the basis of the pulmonary valve ring. The transannular patch was created using a Gore-Tex graft sawn to the right ventricular outflow tract. Echocardiography performed 6 months post surgery showed no pulmonary stenosis and trivial pulmonary insufficiency. © 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.


Keisuke Nakanishi, Shiori Kawasaki, Atsushi Amano. Novel Technique for Tetralogy of Fallot Repair with Transannular Patch Using Pedicled Own Pericardium. Pediatric cardiology. 2022 Jun;43(5):1169-1171

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PMID: 35076722

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