Prospective Electrocardiogram-Gated Axial 64-Detector Computed Tomographic Angiography vs Retrospective Gated Helical Technique to Assess Coronary Artery Bypass Graft Anastomosis: Comparison of Image Quality and Patient Radiation Dose

Background: In the present study the effective dose and image quality at distal anastomoses were retrospectively compared between prospective electrocardiogram (ECG)-gated axial and retrospective ECG-gated helical techniques on 64-detector computed tomographic (CT) angiography following coronary art...

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Veröffentlicht in:	Circulation Journal 2010, Vol.74(4), pp.735-740
Hauptverfasser:	Machida, Haruhiko, Masukawa, Ai, Tanaka, Isao, Fukui, Rika, Suzuki, Kazufumi, Ueno, Eiko, Kodera, Kojiro, Nakano, Kiyoharu, Shen, Yun
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Anastomosis, Surgical Computed tomographic angiography Coronary Angiography - methods Coronary Artery Bypass Coronary artery bypass graft anastomosis Coronary Artery Disease - diagnostic imaging Coronary Artery Disease - surgery Diagnostic Imaging - standards Electrocardiography Female Follow-Up Studies Humans Image quality Male Middle Aged Prospective electrocardiogram gating axial technique Prospective Studies Radiation Dosage Radiation dose Retrospective Studies Sensitivity and Specificity Tomography, X-Ray Computed - methods
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Zusammenfassung:	Background: In the present study the effective dose and image quality at distal anastomoses were retrospectively compared between prospective electrocardiogram (ECG)-gated axial and retrospective ECG-gated helical techniques on 64-detector computed tomographic (CT) angiography following coronary artery bypass graft surgery. Methods and Results: Following bypass surgery, 52 patients with a heart rate
ISSN:	1346-9843 1347-4820
DOI:	10.1253/circj.CJ-09-0714