%0 Journal Article %T Implante de marcapaso definitivo en pacientes con vena cava superior izquierda persistente y ausencia de vena cava superior derecha: Caso cl¨ªnico Permanent pacemaker implantation in patients with persistent left superior vena cava and absent right superior vena cava: Report of three cases %A Patricia Frangini S %A Ismael Vergara S %A Rolando Gonz¨¢lez A %A Alejandro Fajuri N %J Revista m¨¦dica de Chile %D 2006 %I Sociedad M¨¦dica de Santiago %X Persistent left superior vena cava and absent right superior vena cava is an uncommon anatomical association. This is a challenging situation for permanent pacemaker implantation. We report three patients with this anomaly and a permanent pacemaker successfully implanted through the left superior vena cava and coronary sinus, without acute or chronic complications %K Coronary sinus %K Pacemaker %K artificial %K Vena cava superior %U http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872006000600014