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Coronary artery bypass grafts and MDCT imaging: what to know and what to look for

Riccardo Marano1, Carlo Liguori, Pierluigi Rinaldi

  • 1Department of Clinical Sciences and Bioimaging-Section of Radiology, G. d'Annunzio University, SS. Annunziata Hospital, Via Dei Vestini, 66013, Chieti, Italy. r.marano@rad.unich.it

European Radiology
|September 18, 2007
PubMed

Insights

Multi-detector row CT (MDCT) is essential for assessing coronary artery bypass grafts (CABG) after surgery. This review details MDCT techniques, graft anatomy, and findings for evaluating patients with coronary artery disease.

Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Technology

Background:

  • Multi-detector row CT (MDCT) offers high spatial and temporal resolution for non-invasive vascular assessment.
  • MDCT is increasingly utilized for evaluating coronary arteries and coronary artery bypass grafts (CABG).
  • Follow-up of patients post-coronary artery bypass surgery is a primary application of MDCT.

Purpose of the Study:

  • To review surgical aspects, biological characteristics of conduits, and technical MDCT features for CABG assessment.
  • To describe CABG anatomy and typical CT findings in patients post-coronary artery surgical revascularization.

Main Methods:

  • Utilizes advanced MDCT scanners with sub-millimeter slice-thickness capabilities.
  • Enables scanning of the heart and full graft extent within a single breath-hold.
  • Focuses on radiologist familiarity with graft types, surgical techniques, and MDCT characteristics.

Main Results:

  • Continuous technical evolution of CT scanners enhances imaging quality and speed.
  • MDCT allows detailed visualization of coronary arteries and bypass grafts.
  • Familiarity with surgical nuances aids accurate interpretation of MDCT scans.

Conclusions:

  • MDCT is a powerful tool for non-invasive follow-up of patients after coronary artery bypass surgery.
  • Understanding graft anatomy and surgical context is crucial for effective MDCT interpretation.
  • This review provides essential information for radiologists evaluating CABG patients using MDCT.

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