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    Perforation of the atretic pulmonary valve using chronic total occlusion (CTO) wire and coronary microcatheter

    Bruno Lefort1,2, Christophe Saint‐Etienne1, Nathalie Soulé1, Iris Ma1, Fanny Dion1, Alain Chantepie1,2

    Congenital Heart Disease, Vol.14, No.5, pp. 814-818, 2019, DOI:10.1111/chd.12812

    Abstract Background and objective: Chronic total occlusion (CTO) guidewire have been recently reported as an alternative to radiofrequency for perforating atretic pulmonary valve. Since procedure failures or perforation of the right ventricle still occurred with CTO, we tried to enhance the stability, steering, and pushability of the wire using a microcatheter in order to improve the safety and efficacy of the procedure.
    Methods: We performed pulmonary valve perforation with CTO guidewire and microcatheter in five consecutive newborns with pulmonary atresia with intact ventricular septum (PA‐IVS) under fluoroscopic and echocardiographic control.
    Results: The valve was easily perforated at the first attempt for… More >

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