Collateralization of an occluded left internal mammary artery coronary bypass graft

Jeffrey B. Geske, Gregory W. Barsness, Rajiv Gulati

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Abstract

The left internal mammary artery (LIMA) is frequently utilized in coronary artery bypass grafting (CABG); adequate visualization of the LIMA bypass graft during diagnostic angiography is critical for determination of myocardial blood supply. We present a novel case of angiography via a left transradial approach demonstrating an occluded LIMA coronary bypass graft with antegrade flow maintained via a collateral branch from the ipsilateral thyrocervical trunk. Given the prevalence of LIMA use in CABG, it is critical to be aware of unusual configurations, including collateralization of a proximally occluded LIMA graft as described in this report.

Original languageEnglish (US)
Pages (from-to)E181-E182
JournalJournal of Invasive Cardiology
Volume23
Issue number7
StatePublished - Jul 1 2011

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ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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