Clinical Case Scenario
A 59-year-old man who has a history of renal transplant 3 years ago on immunosuppression suddenly developed respiratory distress, he was diagnosed with COVID-19 ARDS with a PaO2/FiO2 ratio of less than 70 for the past one day.VV-ECMO was initiated for the ARDS, he developed AKI one day post-cannulation, and his Hb was 7 g/dl. The parameters on ECMO machine and his chest X-ray are shown below:

What is the next best course of management?