“…3,4,7 Therefore, various catheter devices have been developed in the last few years, to ensure a high blood flow and a long lasting catheter. 2,5e7 Currently, CVCs are used in > 40% of patients as the first device to initiate chronic hemodialysis, 8 whereas arteriovenous fistulae or prosthetic grafts are used in 42% and 6% of patients, respectively. 8 The tunnelled catheters are associated with certain disadvantages such as thrombosis, infection, low blood flow rates, risk of central venous stenosis, or occlusion; 9 however, they possess several advantages over arteriovenous fistula dialysis.…”