Research Paper
The "double Dunk" Technique For A Right Ventricle To Pulmonary Artery Conduit For The Norwood Procedure Reduces The Unintended Shunt-related Events.
Tomasz Mroczek, Julita Sacharczuk, Rafal Zurek, Aleksandra Morka, Jerzy Jarosz, Maciej Sniechowski, Janusz H. Skalski
Background: We describe how several modifications employed in the RVPAc for the NP may influence the interstage course, surgical or catheter-based unintended interventions and pulmonary arteries development in the HLHS cohort of patients. Methods: We performed a retrospective analysis of three groups of non-selected, consecutive neonates who underwent the NP between 2011 and 2014, with different RVPAc surgical techniques employed: Group I - the left RVPAc with distal homograft cuff [N=32], Group II the right RVPAc with distal homograft cuff [N=28], Group III the double dunk right reinforced RVPAc [N=41]. Results: There was no intergroup difference in terms of age, weight, prevalence of aortic atresia, diameter of the ascending aorta, deep hypothermic circulatory arrest time and hospital mortality rate (9.3 vs. 14.2 vs. 7.3%, respectively) between the groups. There was a significant reduction in the numbers of catheter-based interventions during the interstage period in the third group (34 vs. 25 vs. 0%, respectively, p
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