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Comparative Study
. 2014 Nov;63(5):284-92.
doi: 10.1016/j.ancard.2014.08.011. Epub 2014 Sep 6.

Assessment of coronary bypass graft patency by first-line multi-detector computed tomography

D Pesenti-Rossi  1 , N Baron  2 , J-L Georges  2 , S Augusto  2 , G Gibault-Genty  2 , B Livarek  2
Affiliations
Comparative Study

Assessment of coronary bypass graft patency by first-line multi-detector computed tomography

D Pesenti-Rossi et al. Ann Cardiol Angeiol (Paris). 2014 Nov.

Abstract

The purpose of the study was to assess whether a strategy based on a MDCT performed routinely before CA can reduce the radiation dose during the CA, without increased global exposure in patients who need imaging of CABG. A total of 147 consecutive patients were included. The radiation dose during CA (KAP 12.1 vs 22.0 Gy/cm(2), P<.01) and the volume of iodinated contrast (155 vs 200 mL, P<.02) were reduced when preceded by a MDCT. Patients' cumulative exposures were not different in the 2 strategies (5.0 vs 5.1 mSv, P=.76). MDCT performed in first line is a valuable strategy for the assessment of CABG.

Keywords: Coronarographie; Coronary angiography; Coronary artery bypass grafts; Coronary artery disease; Multi-detector computed tomography; Percutaneous coronary intervention; Pontages coronaires; Scanner multi-détecteur.

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