Spontaneous Spiral Dissection of Left Internal Thoracic Artery Graft Combined Assessment by Optical Coherence Tomography and Intravascular Ultrasound

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  • Koga Seiji
    Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences
  • Ikeda Satoshi
    Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences
  • Nakata Tomoo
    Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences
  • Maemura Koji
    Department of Cardiovascular Medicine, Nagasaki University Graduate School of Biomedical Sciences

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タイトル別名
  • Spontaneous Spiral Dissection of Left Internal Thoracic Artery Graft
  • Combined Assessment by Optical Coherence Tomography and Intravascular Ultrasound

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抄録

The left internal thoracic artery (LITA) is considered the most reliable coronary artery bypass grafting conduit due to its high rate of long-term patency. LITA grafts are extremely durable and associated complications are infrequent. We present a case with spontaneous spiral dissection of a LITA graft to the left anterior descending artery, which was assessed by optical coherence tomography (OCT) and intravascular ultrasound (IVUS). OCT was superior in visualizing the disrupted flap, false lumen, and intramural hematoma, but it did not visualize the full extent of the vessel wall. In contrast, IVUS allowed more complete and deeper vessel visualization, and thus better appreciation of the extent of intramural hematoma. Combined use of these two modalities provides complementary details on imaging of a LITA dissection.

収録刊行物

  • International Heart Journal

    International Heart Journal 56 (3), 360-362, 2015

    一般社団法人 インターナショナル・ハート・ジャーナル刊行会

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