Abstract：Objective To discuss the influence of two different reconstruction algorithms on calcification elimination of coronary spectral imaging. Methods Altogether 22 cases of patients with coronary calcification underwent coronary spectral imaging. All coronary segments with calcification were reconstructed with two different algorithms (Detail versus Standard) and processed with the material differentiation (MD) software to remove calcification. Two radiologists evaluated the effectiveness of calcification removal according to a 4-score method. Moreover, the χ2 verification method was applied to compare the calcification elimination between two groups. Results Among 22 cases, 85 coronary calcification lesions were revealed clearly. There was significant difference between Detail Group and Standard Group in effectiveness of calcification removal. Calcification lesions in Detail Group was removed more completely. Conclusion Among two reconstruction algorithms of coronary spectral CT imaging, the Detail algorithm could eliminate calcification more effectively, but influenced the display of of vascular lumen. The Standard algorithm cannot remove the coronary wall calcification completely, but was helpful to accurately assess the local calcified vascular lumenin combination with single energy imaging.
姚新宇，杜祥颖，李鹏雨，李倩文. 不同重建算法对能谱CT冠状动脉去钙化效果的影响[J]. 中国医疗设备, 2015, 30(8): 50-52.
YAO Xin-yu, DU Xiang-ying, LI Peng-yu, LI Qian-wen. Influence of Two Different Reconstruction Algorithms on Calcification Elimination of Coronary Spectral CT. China Medical Devices, 2015, 30(8): 50-52.
Rubinshtein R,Halon DA,Gaspar T,et al.Usefulness of 64 slice cardiac computed tomographic angiography for diagnosing acute coronary syndromes and predicting clinical outcome in emergency department patients with chest pain of uncertain origin[J].Circulation,2007,115(13):1762-1768.
Rubinshtein R,Halon DA,Gaspar T,et al.Usefulness of 64-slice multi-detector computed tomography in diagnostic triage of patients with chest pain and negative or nondiagnostic exercise treadmill test result[J].Am J Cardiol,2007,99(7):925-929.
[7]
Austen WG,Edwards JE,Frye RL,et al.A reporting system on patients evaluated for coronary artery disease. Report of the Ad Hoc Committee for Grading of Coronary Artery Disease,Countil on Cardiovascular Surgery,American Heart Association[J].Circulation,1975,51(4 suppl):5-40.
Rubinshtein R,Halon DA,Gaspar T,et al.Usefulness of 64 slice cardiac computed tomographic angiography for diagnosing acute coronary syndromes and predicting clinical outcome in emergency department patients with chest pain of uncertain origin[J].Circulation,2007,115(13):1762-1768.
[6]
Rubinshtein R,Halon DA,Gaspar T,et al.Usefulness of 64-slice multi-detector computed tomography in diagnostic triage of patients with chest pain and negative or nondiagnostic exercise treadmill test result[J].Am J Cardiol,2007,99(7):925-929.
[7]
Austen WG,Edwards JE,Frye RL,et al.A reporting system on patients evaluated for coronary artery disease. Report of the Ad Hoc Committee for Grading of Coronary Artery Disease,Countil on Cardiovascular Surgery,American Heart Association[J].Circulation,1975,51(4 suppl):5-40.
Schmermund A,Erbel R.Unstable coronary plaque and its relation to coronary calcium[J].Circulation,2001,104(14):1682-1687.
[10]
Schmermund A,Erbel R.Unstable coronary plaque and its relation to coronary calcium[J].Circulation,2001,104(14):1682-1687.
[11]
Raff GL,Gallagher MJ,O’Neill WW,et al.Diagnostic accuracy of noninvasive coronary angiography using 64-slice spiral computed tomography[J].J Am Coll Cardiol,2005,46(3):552-557.
[11]
Raff GL,Gallagher MJ,O’Neill WW,et al.Diagnostic accuracy of noninvasive coronary angiography using 64-slice spiral computed tomography[J].J Am Coll Cardiol,2005,46(3):552-557.
[12]
Abdulla J,Pedersen KS,Budoff M,et al.Influence of coronary calcification on the diagnostic accuracy of 64-slice computed tomography coronary angiography:a systematic review and meta-analysis[J].Int J Cardiovasc Imaging,2012,28(4):943-953.
