ISSN 1004-4140
CN 11-3017/P
Volume 26 Issue 5
Oct.  2017
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CHEN Tao, YANG Tao, GU Jing-hua, LI Xin-ming, WANG Wei, FAN Xiao-jun, ZHOU Hua, LI Rong-xian. Application of Somatom Definition Flash CT in the Morphological Assessment of Left Atrial Appendage[J]. CT Theory and Applications, 2017, 26(5): 553-558. DOI: 10.15953/j.1004-4140.2017.26.05.03
Citation: CHEN Tao, YANG Tao, GU Jing-hua, LI Xin-ming, WANG Wei, FAN Xiao-jun, ZHOU Hua, LI Rong-xian. Application of Somatom Definition Flash CT in the Morphological Assessment of Left Atrial Appendage[J]. CT Theory and Applications, 2017, 26(5): 553-558. DOI: 10.15953/j.1004-4140.2017.26.05.03
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Application of Somatom Definition Flash CT in the Morphological Assessment of Left Atrial Appendage

  • 1. Department of Imaging, Dongfeng General Hospital of Chinese Medicine, Affiliated to Hubei University of Medicine, Shiyan 442000, China;

  • 2. Department of Imaging, Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai 201318, China;

  • 3. Cardiovascular medicine, Zhoupu Hospital, Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai 201318, China

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  • Received Date: April 17, 2017
  • Available Online: December 01, 2022
  • Published Date: October 24, 2017
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    • Abstract
  • Objective: To study the relationship and morphological assessment of left atrial appendage (LAA) and adjacent anatomical structure by SOMATOM Definition Flash CT. Methods: 83 patients were selected retrospectively including 62 patients with sinus rhythms underwent coronary angiography and 21 patients with atrial fibrillation underwent left atrial enhancement scanning. The relationship between the LAA and the pulmonary vein was observed, and the diameter of the left atrial appendage was measured quantitatively. Then the data between the two groups were compared. Results: There was no significant difference in pulmonary vein variation rate and anatomical relationship of the LAA to left superior pulmonary vein (LSPV) between the atrial fibrillation patients and the control group (P > 0.05). And there were significant differences in the length, area, volume and the first turning angle of LAA in the two groups (P < 0.05). Conclusion: SOMATOM Definition Flash CT scan can quantitatively measure the diameter of LAA, and it can also clearly show the correlation of LAA and its adjacent anatomy. So it may have an important guiding significance for atrial fibrillation ablation and LAA occlusion.
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