J Korean Surg Soc.  2008 Apr;74(4):292-298.

Conventional Angiogram versus Multi-detector Row Helical Computed Tomography Angiogram for Preoperative Diagnostic Imaging in Low Extremity Arterial Surgery

Affiliations
  • 1Department of Surgery, Seoul Medical Center, Seoul, Korea. whitesalmon@naver.com
  • 2Department of Radiology, Seoul Medical Center, Seoul, Korea.

Abstract

PURPOSE: We performed this study to assess the suitability of conventional angiography (CA) vs. multi-detector row helical CT angiogram (MD-CTA) as a method of preoperative diagnostic imaging for low extremity arterial surgery.
METHODS
From February 2004 to September 2006, 23 patients (4 claudicants, 19 limb-threatening ischemia) were studied with CA and MD-CTA preoperatively. The site and degree of stenotic or occlusive lesions in arterial segments from the renal artery to the dorsalis pedis artery were compared with both methods. We also compared the surgical inflow and outflow site changes in preoperative planning based on CA and MD-CTA and the final outcome. Additional diagnostic value and test-related complications were also analyzed.
RESULTS
The median age of patients was 68 years old (range: 43~89 years), with a male to female ratio of 1.3:1. Twenty-three patients had CA after an MD-CTA scan. One hundred fifty lesions were detected in these patients. The total ratio of consistency for occlusion in CA vs. MD-CTA was 69.6%. Three patients received amputation treatment and eleven patients received a bypass operation. The agreement between the preoperative plan based on MD-CTA and the final operation was 100%, even in critical limb ischemia. There were no serious complications related to the tests.
CONCLUSION
These findings suggest that MD-CTA is an adequate preoperative imaging study of infrainguinal arterial surgery and may be substituted for conventional angiography without any serious complications.

Keyword

Conventional angiography; Multi-detector row helical computed tomography angiogram

MeSH Terms

Amputation
Angiography
Arteries
Diagnostic Imaging
Extremities
Female
Humans
Ischemia
Male
Renal Artery
Tomography, Spiral Computed
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