Complete pre-operative imaging assessment of abdominal aortic aneurysm with spiral CT angiography

被引:18
作者
Errington, ML
Ferguson, JM
Gillespie, IN
Connell, HM
Ruckley, CV
Wright, AR
机构
[1] WESTERN GEN HOSP, DEPT RADIOL, EDINBURGH EH4 2XU, MIDLOTHIAN, SCOTLAND
[2] WESTERN GEN HOSP, DEPT MED PHYS, EDINBURGH EH4 2XU, MIDLOTHIAN, SCOTLAND
[3] UNIV EDINBURGH, ROYAL EDINBURGH INFIRM, DEPT RADIOL, EDINBURGH EH10 5HF, MIDLOTHIAN, SCOTLAND
[4] UNIV EDINBURGH, ROYAL EDINBURGH INFIRM, DEPT VASC SURG, EDINBURGH EH10 5HF, MIDLOTHIAN, SCOTLAND
关键词
RENAL-ARTERY STENOSIS; DIGITAL SUBTRACTION ANGIOGRAPHY; MAGNETIC-RESONANCE ANGIOGRAPHY; COMPUTED-TOMOGRAPHY; MR ANGIOGRAPHY; RISK-FACTORS; RECONSTRUCTION; REVASCULARIZATION; RESECTION; DISEASE;
D O I
10.1016/S0009-9260(97)80132-8
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Purpose: A prospective evaluation of spiral CT angiography (SCTA) as the sole preoperative imaging modality for abdominal aortic aneurysm repair. Materials and methods: Spiral CT angiography was compared with conventional transfemoral angiography in 30 patients and results correlated with surgical findings in 22 patients. The following features were assessed: renal artery number and disease; upper and lower aneurysm extent; aneurysm size; perianeurysmal inflammation; iliac artery disease; radiation dose; and contrast usage. Results: Spiral CT angiography agreed with conventional angiography in all cases of severe stenosis or occlusion of renal arteries and had 90% agreement overall for renal artery disease. Two of nine accessory renal arteries seen at conventional angiography were missed. For showing aneurysm extent SCTA was 100% sensitive, and performed better than conventional angiography. Aneurysm size was better shown with SCTA, In iliac disease SCTA, as performed in this study, was poor for mild-moderate disease, but detected four of six severely stenosed/occluded iliac arteries seen at conventional angiography. Prospective sensitivity for perianeurysmal inflammation was 33%. Radiation dose for SCTA was approximately twice and contrast dose approximately three times that for conventional angiography. Conclusion: Spiral CT angiography can provide all the necessary imaging information to plan aneurysm repair in the non-claudicant.
引用
收藏
页码:369 / 377
页数:9
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