Haemodynamics of coronary artery - saphenous vein bypass

S. Einav, J. Avidor, B. Vidne

Research output: Contribution to journalArticlepeer-review


The velocity distribution of a suspension of red blood cell ghosts in an idealized model of the coronary artery-saphenous vein bypass has been investigated with the aid of laser Doppler anemometry. Pulsatile flow simulated pressure variations in the ascending aorta and ghost cell velocities were determined by the Doppler shift of scattered laser light. Using four different model bypasses it was demonstrated that turbulent flow at the graft-coronary intersection can be delayed by decreasing the discontinuity in diameter between the bypass vein and coronary artery, and also by reducing the bypass vein and host coronary artery intersection angle.

Original languageEnglish
Pages (from-to)305-309
Number of pages5
JournalJournal of Biomedical Engineering
Issue number4
StatePublished - Oct 1985


  • Circulatory system
  • coronary artery bypass
  • coronary artery disease
  • haemodynamics
  • laser Doppler velocimetry


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