Evaluation of a body mass index-adapted protocol for low-dose 64-MDCT coronary angiography with prospective ECG triggering

American Journal of Roentgenology

Volumn 192, Issue 3, 2009, Pages 635-638

  Tatsugami, Fuminari ^a   Husmann, Lars ^a   Herzog, Bernhard A ^a   Burkhard, Nina ^a   Valenta, Ines ^a   Gaemperli, Oliver ^a   Kaufmann, Philipp A ^a,b  

^a UNIVERSITY HOSPITAL ZURICH   (Switzerland)

^b UNIVERSITY OF ZURICH   (Switzerland)

Author keywords

Adapted scanning protocol; Body mass index; Coronary CT angiography; Image noise; Vessel opacification

Indexed keywords

IODIXANOL; SODIUM CHLORIDE;

ADULT; AGED; ANGIOCARDIOGRAPHY; ARTICLE; ASCENDING AORTA; BODY MASS; CLINICAL EVALUATION; CONTROLLED STUDY; ELECTRIC POTENTIAL; ELECTROCARDIOGRAPHY; FEMALE; HUMAN; LEFT CORONARY ARTERY; LOW ENERGY RADIATION; MAJOR CLINICAL STUDY; MALE; MULTIDETECTOR COMPUTED TOMOGRAPHY; PRIORITY JOURNAL; PROSPECTIVE STUDY; RIGHT CORONARY ARTERY; SIGNAL NOISE RATIO;

ADULT; AGED; BODY MASS INDEX; CLINICAL PROTOCOLS; CONTRAST MEDIA; CORONARY ANGIOGRAPHY; CORONARY DISEASE; ELECTROCARDIOGRAPHY; FEMALE; HUMANS; LINEAR MODELS; MALE; MIDDLE AGED; PROSPECTIVE STUDIES; RADIATION DOSAGE; TOMOGRAPHY, X-RAY COMPUTED; TRIIODOBENZOIC ACIDS;

EID: 63049134660     PISSN: 0361803X     EISSN: None     Source Type: Journal    
DOI: 10.2214/AJR.08.1390     Document Type: Article

References (19)

1. Mollet NR, Cademartiri F, van Mieghem CA, et al. High-resolution spiral computed tomography coronary angiography in patients referred for diagnostic conventional coronary angiography. Circulation 2005; 112:2318-2323
2. Raff GL, Gallagher MJ, O'Neill WW, et al. Diagnostic accuracy of noninvasive coronary angiography using 64-slice spiral computed tomography. J Am Coll Cardiol 2005; 46:552-557
3. Scheffel H, Alkadhi H, Plass A, et al. Accuracy of dual-source CT coronary angiography: first experience in a high pre-test probability population without heart rate control. Eur Radiol 2006; 16: 2739-2747
4. Husmann L, Schepis T, Scheffel H, et al. Comparison of diagnostic accuracy of 64-slice computed tomography coronary angiography in patients with low, intermediate, and high cardiovascular risk. Acad Radiol 2008; 15:452-461
5. Hausleiter J, Meyer T, Hadamitzky M, et al. Radiation dose estimates from cardiac multislice computed tomography in daily practice: impact of different scanning protocols on effective dose estimates. Circulation 2006; 113:1305-1310
6. Leschka S, Stolzmann P, Schmid FT, et al. Low kilovoltage cardiac dual-source CT: attenuation, noise, and radiation dose. Eur Radiol 2008; 18:1809-1817
7. Husmann L, Valenta I, Gaemperli O, et al. Feasibility of low-dose coronary CT angiography: first experience with prospective ECG-gating. Eur Heart J 2008; 29:191-197
8. Earls JP, Berman EL, Urban BA, et al. Prospectively gated transverse coronary CT angiography versus retrospectively gated helical technique: improved image quality and reduced radiation dose. Radiology 2008; 246:742-753
9. Jung B, Mahnken AH, Stargardt A, et al. Individually weight-adapted examination protocol in retrospectively ECG-gated MSCT of the heart. Eur Radiol 2003; 13:2560-2566
10. Irie T, Inoue H. Individual modulation of the tube current-seconds to achieve similar levels of image noise in contrast-enhanced abdominal CT. AJR 2005; 184:1514-1518
11. Husmann L, Leschka S, Boehm T, et al. Influence of body mass index on coronary artery opacification in 64-slice CT angiography [in German]. Rofo 2006; 178:1007-1013
12. Huda W, Scalzetti EM, Levin G. Technique factors and image quality as functions of patient weight at abdominal CT. Radiology 2000; 217:430-435
13. Hsieh J, Londt J, Vass M, et al. Step-and-shoot data acquisition and reconstruction for cardiac x-ray computed tomography. Med Phys 2006; 33:4236-4248
14. Einstein AJ, Moser KW, Thompson RC, et al. Radiation dose to patients from cardiac diagnostic imaging. Circulation 2007; 116:1290-1305
15. Lembcke A, Wiese TH, Schnorr J, et al. Image quality of noninvasive coronary angiography using multislice spiral computed tomography and electron-beam computed tomography: intraindividual comparison in an animal model. Invest Radiol 2004; 39:357-364
16. Achenbach S, Giesler T, Ropers D, et al. Comparison of image quality in contrast-enhanced coronary-artery visualization by electron beam tomography and retrospectively electrocardiogram-gated multislice spiral computed tomography. Invest Radiol 2003; 38:119-128
17. Bae KT, Seeck BA, Hildebolt CF, et al. Contrast enhancement in cardiovascular MDCT: effect of body weight, height, body surface area, body mass index, and obesity. AJR 2008; 190:777-784
18. Husmann L, Alkadhi H, Boehm T, et al. Influence of cardiac hemodynamic parameters on coronary artery opacification with 64-slice computed tomography. Eur Radiol 2006; 16:1111-1116
19. Mahnken AH, Wildberger JE, Simon J, et al. Detection of coronary calcifications: feasibility of dose reduction with a body weight-adapted examination protocol. AJR 2003; 181:533-538