Persistent left superior vena cava and double-lumen aortic arch in a patient with a stenotic unicuspid aortic valve Tomáš Toporcer, Martin Ledecký, Adrián Kolesár, Miroslav Gejguš, Martin Sivčo, František Sabol

Persistent left superior vena cava – A vascular access without limitations Tatiana Guimarães, Ana Bernardes, João de Sousa, Pedro Marques

Implantation of a cardiac resynchronization therapy defibrillator through a persistent left superior vena cava Miguel Nobre Menezes, Ana Bernardes, João de Sousa, Pedro Marques