ISSN 1004-4140
CN 11-3017/P
Volume 23 Issue 1
Feb.  2014
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WU Lei, ZHA Yun-fei, LIU Chao, CHEN Wen, CHEN Yi-jia. Quantification of Epicardial Adipose Tissue in Non-ECG-gated Low-radiation-dose MDCT[J]. CT Theory and Applications, 2014, 23(1): 145-152.
Citation: WU Lei, ZHA Yun-fei, LIU Chao, CHEN Wen, CHEN Yi-jia. Quantification of Epicardial Adipose Tissue in Non-ECG-gated Low-radiation-dose MDCT[J]. CT Theory and Applications, 2014, 23(1): 145-152.
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Quantification of Epicardial Adipose Tissue in Non-ECG-gated Low-radiation-dose MDCT

  • 1. Department of Radiology, Affiliated Taihe Hospital, Hubei University of Medicine, Shiyan 442000, China;

  • 2. Department of Radiology, Affiliated Renmin Hospital of Wuhan Uniersity, Wuhan 430000, China

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  • Received Date: March 05, 2013
  • Available Online: December 09, 2022
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    • Abstract
  • Objective:To quantify the EAT volume in non-ECG-gated low-radiation-dose MDCT and assess the relationship of EAT volume in non-ECG-gated MDCT in comparison with ECG-gated Coronary CTA.Method:In all,61 patients were enrolled in this study and underwent retrospective ECG-gated coronary CTA and non-ECG-gated low-radiation-dose MDCT for lung cancer screening.The EAT volume was calculated through depicted the epicardium with AW4.4 workstation(GE).The threshold of EAT quantification in non-ECG-gated CT was -195~- 45 Hu.A total of five programs of the thresholds of EAT quantification in coronary CTA would be built(-175~- 25 Hu,-170~- 20 Hu,-165~-15 Hu,-160~-10 Hu,-155~- 5 Hu respectively).Result:The EAT volume quantification in non-ECG-gated MDCT had a significant relationship with the quantifications in ECG-gated Coronary CTA(r=0.996,r=0.997,r=0.997,r=0.997,r=0.996 respectively).When the threshold of EAT quantification in ECG-gated Coronary CTA was -165~-15 Hu,no significant difference was observed for EAT volume quantification with non-ECG-gated MDCT with respect to ECG-gated Coronary CTA(P=0.125).Conclusion:Non-ECG-gated low-radiation-dose MDCT allows quantifying EAT with almost the same consistency and correlation as using ECG-gated Coronary CTA.
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