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Related subjects: Imaging in cardiovascular disease (radiology, ultrasonography, nuclear medicine, CT, MRI)
e0693 Comparison of myocardial bridges imaging with multi-slice spiral CT and coronary angiograph
  1. Chang Xuewei,
  2. Chen Diansen,
  3. Ma Huifang,
  4. Tian Liping,
  5. Zhang Shouyan,
  6. Wei Yidong,
  7. Wei Jinghan
  1. Department of Cardiology, Luoyang Central Hospital

Abstract

Objective To assess the diagnostic and clinical value of 64-slice CT coronary angiography (64SCTCA) for evaluation of myocardial bridge (MB) and mural coronary artery (MCA).

Methods A total of 527 patients underwent 64SCTCA. The CT data was reconstructed and post-processed in the work-station. All the cases with MB were submitted to coronary angiography (CAG) studies observing the existence, length and thickness of MB as well as the stenosis of MCA. The results of CT and CAG were compared and analysed in the end.

Results The 118 of 527 cases with MB segments were found through 64SCTCA. The detection rate is 22.4%. The 45 of 118 cases which were detected by 64SCTCA were found MB positive by CAG. The detection rate is 9.1%. The dates represent significant difference from 64SCTCA and CAG. Statistical significance was established at the p<0.05 level. The MB cases were found by 64SCTCA with the mean length of (6.1±2.5) mm, the mean thickness of (2.5±1.6) mm and the mean stenosis rate of MC of (47.3±11.3)%. The length and the stenosis rate of MB measured by CAG represent significant differences from those dates by 64SCTCA (p<0.05).

Conclusion The 64SCTCA can clearly characterise MB and MC, and has important clinical values.

  • tomography
  • angiography
  • myocardial bridge

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