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2001 Fiscal Year Final Research Report Summary

Analysis of flow and flow reserve in patients with arterial occlusive disease of lower extremities with MRI and CT

Research Project

Project/Area Number 11670860
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Radiation science
Research InstitutionHirosaki University

Principal Investigator

SAITO Yoko  Hirosaki University Hospital, Department of Radiology, Instructor, 医学部・附属病院, 講師 (80225739)

Co-Investigator(Kenkyū-buntansha) ABE Yoshinao  School of Medicine, Hirosaki University, Department of Radiology, Professor, 医学部, 教授 (10167950)
NODA Hiroshi  School of Medicine, Hirosaki University, Department of Radiology, Assistant, 医学部・附属病院, 助手 (00292152)
YODONO Hiraku  School of Medicine, Hirosaki University, Department of Radiological Technology, Professor, 医学部, 教授 (30113848)
Project Period (FY) 1999 – 2001
Keywordsarterial occlusive disease / lower extremity / femoral artery / peak velocity / mean flow volume / magnetic resonance imaging
Research Abstract

The peak velocity, mean velocity and mean flow volume of bilateral superficial femoral arteries were evaluated in patients with arterial occlusive disease of the lower extremities, using cine MRI technique with EGG gating. Those data were compared with those of normal healthy volunteers. In analysis of flow pattern, reverse flow was small in patients group, and some cases, no reverse flow was noticed. Lack of reverse flow was not noticed in any healthy volunteer.
Peak velocity, mean velocity and mean flow volume increased significantly after exercise stress. Peak velocity increased in many cases and reverse flow decreased in all cases. The increase rate of peak velocity and mean velocity was higher in volunteers than in patients group, but there was no statistically significant difference between the two groups. Also no significant difference between the increase rate of mean flow volume (flow reserve) of patients and-that of healthy volunteers.
The time density curves after bolus administration of contrast material were also analyzed, both in patients and health volunteers. Continuous data acquisition of both femurs was obtained during 2 minutes just after contrast material injection. The enhancement rate of skeletal muscles was lower than vessels, but higher than fat tissue. In healthy volunteers the signal of skeletal muscle increased after artery, and reached plateau 40 〜 60 seconds after the beginning of contrast material injection. In patients group, the signal intensity curve showed gradual increase pattern and in many cases showed no plateau. Therefore steepest slope values could not be obtained. No significant difference was noticed between the right side and the left side

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] 野田 浩: "慢性動脈閉塞病変に対する血管形成術:線溶療法の役割も含め"臨床放射線. 44巻9号. 803-808 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 齋藤陽子: "MR angiography最近の動向-四肢"日医学会誌. 59巻9号(Supple). 17-22 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 齋藤陽子: "大動脈ステントグラフ留置術を念頭に置いたMRA画像処理の一工夫"血管無侵襲診断法研究会誌. 19. 32-33 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 野田 浩: "IVR最近の動向。骨盤・下肢動脈の経皮的血管形成術"新医療. 27巻. 114-117 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 齋藤陽子: "最新X線CT診断の実際とそのポイント"臨床画像. 17巻1号. 6-11 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 齋藤陽子: "下肢深部静脈血栓症におけるMR angiographyの有用性の検討"静脈学. 21巻4号. 303-309 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hiroshi Noda: "Percutaneous transluminal angioplasty for chronic peripheral arterial occlusion and the role of fibrinolytic therapy"Japanese journal of Clinical Radiology. 44-9. 803-808 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoko Saito: "MR angiography of lower extremity, current status"Journal of Japan Radiological Society. 59-9(supple). 17-22 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoko Saito: "Summation imaging with MIP MRA imaging and T1-ewighted imaging"JOURNAL of Non-invasive vascular imaging diagnosis. 19. 32-33 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hiroshi Noda: "Percunateous transluminal angioplasty of pelvic and lower extremity arteries"New Medicine in Japan. 27. 114-117 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoko Saito: "Recent X-ray CT imaging diagnosis"Clinical Imagiology. 17-1. 6-11 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yoko Saito: "Clinical evaluation of MR angiography for the deep venous thrombosis"Japanese Journal of Phlebology. 21-4. 303-309 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2003-09-17  

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