Fig. 1

The mean pressure gradient was established by the height of the reservoir containing the solution of 1% sodium dodecyl sulfate (a). Pulsatile flow was generated by a pulsatile ventricular assist device. The pressure and flow of the perfusion fluid were measured simultaneously. The perfusion pressure and flow waveforms of the pulsatile group (b) and non-pulsatile group (c). The mean pressures were the same regardless of the pulsatility (b, c). SDS sodium dodecyl sulfate, VAD ventricular assist device