Complicaciones de las técnicas renales sustitutivas / Complications renal replacement techniques

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Extracorporeal circuits for the management of acute renal failure entail a great deal of complications. The placement of a large double lumen central venous catheter (CVC) to provide enough blood flow together with the necessity of a continuous anticoagulation are the cause of the majority of the adverse events, such as puncture site bleeding, vascular complications, systemic hemorrhage, venous thrombosis and CVC-related infections. Hydro-electrolytic abnormalities regarding the use of fluids for reposition and dialysis, are frequently observed; mainly hypokalemia and hypophosphatemia. Liquids with lactate can produce hyperlactatemia or even exacerbate the lactic acidosis when lactate metabolism is altered