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Value of spiral CT in the treatment of aortic dissection with endovascular exclusion
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 10
- DOI:
- 10.3760/j.issn:1005-1201.2001.10.005
- Key Word:
- 主动脉,胸;动脉瘤,夹层;移植物闭塞,血管;体层摄影术,X线计算机
Abstract： 目的探讨螺旋CT血管成像在主动脉夹层动脉瘤腔内隔绝术评估中的应用价值.方法31例Stanford B型夹层动脉瘤腔内隔绝术采用螺旋CT评估,26例单用螺旋CT评估,5例加做MR血管造影(MRA),判断裂口位置、夹层真假腔、夹层范围.结果螺旋CT显示近端裂口的敏感性为100%,夹层动脉瘤真假腔的识别率为100%;近端裂口位置与术中DSA所见相符合者29例,准确性为93.54%,2例与DSA不符合者,未影响手术方案以及移植物的选择.夹层范围识别的准确性为100%,基于CT结果选择移植物的准确性为100%.结论 CT增强像适合裂口的评判、相关数据的采集.其他多种方式的重建有利于整体解剖形态、夹层范围的观察.模拟内窥镜成像对裂口观察有较大帮助.螺旋CT在腔内隔绝术的术前评估中有重要价值,可作为常规术前检查.
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