OBJECTIVES: This study aimed to evaluate the outcomes and feasibility of different techniques of reconstruction of the right ventricular outflow tract (RVOT) in surgical repair of truncus arteriosus. METHODS: We retrospectively reviewed all consecutive patients with truncus arteriosus who underwent successful surgical repair in our centre between 1994 and 2017. We analysed late results according to the type of RVOT repair. RESULTS: We collected data from 29 survivors after truncus arteriosus repair. Six (20%) of them were affected by DiGeorge syndrome. The RVOT reconstruction was achieved using a valved conduit in 58.6%, while a direct right ventricle-pulmonary artery (RV-PA) anastomosis, with or without the interposition of the left atrial appendage, was performed in the remaining. At a median follow-up time of 7.9 years (interquartile range 1.8-13.1), 6 patients (3 affected by DiGeorge syndrome) died. Between the 2 groups, there were no differences in terms of the late mortality and onset of adverse events. However, the use of a conduit seemed more prone to reintervention and onset of adverse events. CONCLUSIONS: Different RVOT reconstruction techniques are safe and have similar late outcomes. However, use of a direct RV-PA anastomosis and left atrial appendage interposition may reduce the need for reoperation in the long term.
Alternative techniques of right ventricular outflow tract reconstruction for surgical repair of truncus arteriosus
Padalino, Massimo A
Writing – Original Draft Preparation
;Çelmeta, BleriWriting – Original Draft Preparation
;Vedovelli, LucaMethodology
;Castaldi, BiagioInvestigation
;Vida, Vladimiro LWriting – Review & Editing
;Stellin, GiovanniWriting – Review & Editing
2020
Abstract
OBJECTIVES: This study aimed to evaluate the outcomes and feasibility of different techniques of reconstruction of the right ventricular outflow tract (RVOT) in surgical repair of truncus arteriosus. METHODS: We retrospectively reviewed all consecutive patients with truncus arteriosus who underwent successful surgical repair in our centre between 1994 and 2017. We analysed late results according to the type of RVOT repair. RESULTS: We collected data from 29 survivors after truncus arteriosus repair. Six (20%) of them were affected by DiGeorge syndrome. The RVOT reconstruction was achieved using a valved conduit in 58.6%, while a direct right ventricle-pulmonary artery (RV-PA) anastomosis, with or without the interposition of the left atrial appendage, was performed in the remaining. At a median follow-up time of 7.9 years (interquartile range 1.8-13.1), 6 patients (3 affected by DiGeorge syndrome) died. Between the 2 groups, there were no differences in terms of the late mortality and onset of adverse events. However, the use of a conduit seemed more prone to reintervention and onset of adverse events. CONCLUSIONS: Different RVOT reconstruction techniques are safe and have similar late outcomes. However, use of a direct RV-PA anastomosis and left atrial appendage interposition may reduce the need for reoperation in the long term.File | Dimensione | Formato | |
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