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Fig. 1 | Critical Care

Fig. 1

From: Acute kidney injury in ECMO patients

Fig. 1Fig. 1

Options of combining extracorporeal membrane oxygenation (ECMO) and continuous renal replacement therapy (CRRT) circuits. a An in-line hemofilter is integrated into the ECMO circuit. Replacement fluid is directly administered into the ECMO circuit. Alternatively, dialysis fluid can be supplied in a counter-current position. Replacement/dialysis fluid rates and ultrafiltration rates can be controlled via infusion pumps. b The CRRT device is connected to the patient through a separate catheter independent of the ECMO circuit. c The access (inlet) and the return (outlet) lines of the CRRT device are connected before the centrifugal blood pump (low-pressure part) of the ECMO circuit. d Both the access and the return lines of the CRRT device are connected after the blood pump. e The access line of the CRRT device is connected after the blood pump (high-pressure), while the CRRT return line is connected before the centrifugal blood pump. f The access line of the CRRT device is connected directly after the membrane oxygenator, while the return line is connected directly before the oxygenator

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