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Fig. 2 | Thrombosis Journal

Fig. 2

From: The effect of recombinant versus plasma-derived von Willebrand factor on prolonged PFA closure times in ECMO patients with acquired von Willebrand syndrome – an observational study

Fig. 2

Evaluation of the PFA-200 COL/ADP closure curves. The flow rate in µl/min is monitored until either complete closure occurs, the measurement exceeds 300 s or the sample volume runs out (which can happen in samples with a low hematocrit). In samples from ECMO-induced aVWS a sudden incline in flow can occur, as seen in the present example for the whole blood sample without VWF after approx. 270 s

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