a possible therapeutic strategy for patients needing both lung and renal support. We tested
the effects of the recirculation of ultrafiltrate on membrane lung (ML) CO 2 removal (VCO 2
ML). Three conscious, spontaneously breathing sheep were connected to a commercially
produced ECCO 2 R device (Hemolung; Alung Technologies, Pittsburgh, PA) with a blood
flow of 250 ml/min and a gas flow of 10 L/min. A hemofilter (NxStage, NxStage Medical …