Bridging Collateral from an Internal Mammary Arterial Graft to a Coronary Artery

  • KODAMA Makoto
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • RAMADAN Mahmoud M.
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • MITSUMA Wataru
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • TANAKA Komei
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • HOYANO Makoto
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • MINAGAWA Shiro
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • KASHIMURA Takeshi
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • ITO Masahiro
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • FUSE Koichi
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • HIRONO Satoru
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • AIZAWA Yoshifusa
    Division of Cardiology, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • NAMURA Osamu
    Division of Cardiovascular and Thoracic Surgery, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • SOGAWA Masakazu
    Division of Cardiovascular and Thoracic Surgery, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University
  • HAYASHI Junichi
    Division of Cardiovascular and Thoracic Surgery, Department of Cardiovascular and Vital Control, Graduate School of Medical and Dental Sciences, Niigata University

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Description

We report a rare case with bridging collateral communication from an occluded internal mammary arterial graft to the native left anterior descending coronary artery. Although the mechanism underlying the development of this unique collateral vessel is unknown, the phenomenon may imply a future possibility of effective angiogenesis from extra-cardiac systemic arteries to the coronary arteries in humans.

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