Utility of doppler ultrasound in the preoperative evaluation of the first vascular access for hemodialysis Eduardo Mateos Torres, Silvia Collado Nieto, Higini Cao Baduell, Mónica Lacambra Peñart, Alina Velescu, Albert Clará Velasco

Vascular access type and mortality in elderly incident hemodialysis patients Marisa Roldão, Cátia Figueiredo, Rachele Escoli, Hernâni Gonçalves, Flora Sofia, Karina Lopes

Clinical and ultrasound evaluation for hemodialysis access creation Anna Lima, Patrícia Carrilho, Ana Germano