Assessment of Coronary Artery Bypass Graft by Using Multidetector Computed Tomography Coronary Angiography

Document Type : Original Article

Authors

1 radiology department, insurance hospital ,Benha, Egypt

2 department of radiology, Faculty of Medicine, Benha University

3 department of radiology, National heart Institute, Egypt.

4 department of radiology, Faculty of Medicine, Benha University, Egypt,

Abstract

Background: CABG surgery is the standard care in the treatment of advanced coronary artery disease. Assessment of the status of the grafts after CABG surgery is an important issue. Recently, MDCT has gained rapid acceptance as a diagnostic cardiac imaging modality, allowing assessment of coronary bypass graft patency with high spatial resolution. Aim: Evaluate the role of (MDCT) in assessment of CABG. Patients and methods: In this prospective study, 30 patients after coronary artery bypass graft surgery are included. The 30 patients were examined by ECG gated MDCT coronary angiography in CT unit in radiology department of national heart institute between (October 2018 to April 2019).  Results: The study included 30 patients with prior CABG surgery. Mean age was 61 +/- 6.9 years with male gender predominance represented 86 % (26 patients). The evaluable grafts were 75 grafts. The most common used grafts were the venous grafts represented 59 %( 44 grafts) while arterial grafts represented 41% (31 grafts).The most common landing site of arterial grafts was LAD (with incidence 84%), while the most common landing site of venous grafts was RCA(with incidence 39%). Conclusion: MDCT coronary angiography is a potentially safe, non-invasive  modality in assessment of coronary artery bypass grafts in post-CABG patients.

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