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石强,高思佳,徐克,刘静红,梁传声.64层螺旋CT血管成像定位诊断硬脊膜动静脉瘘供血动脉及瘘口的应用初探[J].中国医学影像技术,2006,22(10):1532~1534

64层螺旋CT血管成像定位诊断硬脊膜动静脉瘘供血动脉及瘘口的应用初探

Locating the feeding artery and fistula of spinal dural arteriovenous fistula with 64-slice spiral CT angiography: initial experience

投稿时间：2006-06-28 修订日期：2006-08-12

DOI：

中文关键词: 硬脊膜动静脉瘘体层摄影术,X线计算机血管造影术

英文关键词:Spinal dural Arteriovenous fistula Tomography, X-ray computed Angiography

基金项目:

作者	单位
石强	中国医科大学附属第一医院放射科,辽宁沈阳 110001
高思佳	中国医科大学附属第一医院放射科,辽宁沈阳 110001
徐克	中国医科大学附属第一医院放射科,辽宁沈阳 110001
刘静红	中国医科大学附属第一医院放射科,辽宁沈阳 110001
梁传声	中国医科大学附属第一医院神经外科,辽宁沈阳 110001

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中文摘要:

目的评价64层螺旋CT血管成像(CTA)在定位诊断脊髓硬脊膜动静脉瘘(SDAVF)供血动脉及瘘口的应用价值。方法 24例经MRI诊断为SDAVF的患者随机分A、B两组。A组12例患者在DSA检查前行64层CTA检查,应用曲面重建技术,定位诊断硬脊膜动静瘘的供血动脉及瘘口,观察引流静脉在椎管内的分布状况,评估脊膜动静脉瘘累积脊髓的范围。B组为对照组,常规进行DSA检查,不进行CTA检查。A、B两组造影时间、对比剂用量、造影次数以及术后并发症进行对比分析。以DSA为金标准,计算CTA诊断的敏感度和特异度。结果 A组12例全部完成造影,B组2例未完成造影。A/B两组患者平均造影时间47/92 min,对比剂用量86/174 ml,造影次数14/29次,术后并发症1/5例。CTA对供血动脉及瘘口诊断的敏感度为100%(12/12)、特异度为83.3%(10/12)。结论 64层螺旋CTA定位诊断硬脊膜动静脉瘘供血动脉及瘘口为DSA检查提供了直观的影像资料,缩短了检查时间,减少了对比剂用量及曝光次数,降低了造影术后的并发症,是DSA检查前必要的辅助检查。

英文摘要:

Objective To evaluate the value of 64-slice CT angiography (CTA) in locating the feeding artery and fistula of spinal dural arteriovenous fistula (SDAVF). Methods Twenty-four patients with SDAVF diagnosed by MRI were divided into group A and group B randomly. Group A: CTA was performed in 12 patients before DSA, the feeding artery and fistula were located with curved planar reformation technique. Group B: DSA was performed in 12 patients directly. The examination time, dose of contrast media, angiographic times, complications of DSA were compared between the two groups. Regarding DSA as golden standard, the sensitivity and specificity of CTA were calculated. Results Average DSA examination time of A/B group was 47/92 min, dose of contrast media was 86/174 ml, angiographic times were 14/29, complications occurred in 1/5 patients. All patients completed examination in group A, but 2 patients failed in group B. The sensitivity and specificity of CTA were 100% (12/12), and 83.3% (10/12), respectively. Conclusion 64-slice CTA could show the feeding artery and fistula of SDAVF clearly, decrease the examination time and dose of contrast media significantly, reduce the complications of DSA.

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