“…In clinical practice, non-tunneled CVCs remain a minimum of two months in patients. It would be the usual time required for arteriovenous fistula maturation, however, due to the comorbidities of some patients, such as diabetes, hypertension, coagulopathies, immunological and neurological pathologies, fistulas and grafts may not heal and CVCs make the only blood access during the entire hemodialysis period (Ponce, Mendes, Silva & Oliveira, 2015;Browne, Walshe & Griffin, 2015;Pollo, Dionizio, Bucuvic, Castro & Ponce, 2016).…”