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TIPS ultrasound

TIPS Ultrasound Evaluation


  • normal TIPS velocity: 90-190 cm/sec
  • normal portal vein velocity before entering the TIPS: ~30 cm/sec
  • phasic waveform
  • the portal vein branches normally reverse their flow into the shunt
  • color Doppler aliasing at the site of the stenosis
  • velocity of >190 cm/sec at a stenotic segment
  • velocity of <90 cm/sec in nonstenotic segments
  • velocity <30 cm/sec in the pre-stent portal vein (accessory sign)
  • complete occlusion: lack of color Doppler flow