European Radiology

, Volume 2, Issue 6, pp 559–564 | Cite as

Abdominal aorta: characterisation of blood flow and measurement of its regional distribution by cine magnetic resonance phase-shift velocity mapping

  • M. Amanuma
  • R. H. Mohiaddin
  • M. Hasegawa
  • A. Heshiki
  • D. B. Longmore
Original Articles Cardiovascular radiology


Magnetic resonance phase-shift-induced velocity mapping is a powerful technique for measuring in vivo blood velocity and flow non-invasively. Using this method we examined dimensions, distensibility, blood flow and its regional distribution in the abdominal aorta in 10 normal volunteers. Data were acquired at three levels of the descending aorta. Thirty percent reduction in diastolic cross sectional area was observed in the caudal direction between these levels. Total blood flow (ml/min) in the abdominal aorta at the three sites was 4094 ± 1600, 2339 ± 910 and 1602 ± 549 respectively. Flows in the coeliac trunk, superior mesenteric artery and renal arteries were also calculated. The net flow in the abdominal aorta above the coeliac trunk was persistently forward, while there was considerable backflow (13% of total instantaneous flow) below the renal arteries during early diastole. Magnetic resonance imaging is a non-invasive technique for quantitative assessment of blood flow in the abdominal aorta and its main branches.

Key words

Abdominal aorta Blood flow Distensibility Magnetic resonance imaging Renal flow 


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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • M. Amanuma
    • 1
  • R. H. Mohiaddin
    • 2
  • M. Hasegawa
    • 1
  • A. Heshiki
    • 1
  • D. B. Longmore
    • 2
  1. 1.Department of RadiologySaitama Medical SchoolIruma, SaitamaJapan
  2. 2.Magnetic Resonance UnitRoyal Brompton HospitalLondonUK

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