The balloon dilation of the pulmonary valve during early repair of tetralogy of Fallot

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
Vladimiro L VidaG Stellin

Abstract

Progressive pulmonary valve (PV) regurgitation leads to right ventricular failure after repair of tetralogy of Fallot (TOF). We sought to evaluate our results with the preservation of the PV in selected patients with TOF. All patients with TOF who were scheduled for PV's preservation between June 2007 and May 2010 were enrolled. Surgical correction involved the combination of early transatrial repair and intraoperative balloon dilation of the PV annulus. Of 18 patients, 16 (89%) underwent a successful preservation of the PV. Median age at surgery was 3.1 months (range 2.4-4.7 months). Median preoperative PV Z-score was -2.5 (range -1.4 to -3.12) and the median peak right ventricle outflow tract (RVOT) gradient was 80 mm Hg (range 49-90 mm Hg). No procedure-related complications were reported. The size of the PV annulus after the balloon dilation was appropriate for body surface area in all patients. Median follow-up time was 1.4 years (range 0.5-3.3 years). Reoperation was needed in one patient 3 months after repair because of residual subvalvar RVOT obstruction. The remaining 15 patients are alive and well. The median PV Z-score is 0 (range -0.2 to 1). Median peak RVOT gradient is 20 mm Hg (range 12-32 mm Hg). The PV is compet...Continue Reading

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Citations

Nov 28, 2012·Pediatric Cardiology·Victor Bautista-HernandezFrancisco Portela
Mar 14, 2013·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Claudia ArenzViktor Hraska
Dec 10, 2013·The Journal of Thoracic and Cardiovascular Surgery·Vladimiro L VidaGiovanni Stellin
Mar 20, 2012·Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual·Emile Bacha
Mar 10, 2016·The Journal of Thoracic and Cardiovascular Surgery·Vladimiro L VidaGiovanni Stellin
Apr 10, 2016·Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual·Vladimiro L VidaGiovanni Stellin
Jul 16, 2015·Journal of Cardiac Surgery·Vladimiro L VidaGiovanni Stellin
May 20, 2015·The Journal of Thoracic and Cardiovascular Surgery·Vladimiro L VidaGiovanni Stellin
Oct 10, 2018·Circulation Journal : Official Journal of the Japanese Circulation Society·Jae Gun KwakJooncheol Min
Nov 6, 2013·Nature Reviews. Cardiology·Emile Bacha, David Kalfa
Jan 8, 2021·World Journal for Pediatric & Congenital Heart Surgery·Giovanni StellinVladimiro L Vida
Jun 15, 2019·The Journal of Thoracic and Cardiovascular Surgery·Vladimiro VidaGiovanni Stellin

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