Hideki Hyodoh MD, Presenter: Nothing to Disclose

Nobuyoshi Kawaharada MD, Abstract Co-Author: Nothing to Disclose

Hidenari Akiba MD, PhD, Abstract Co-Author: Nothing to Disclose

Mitsuharu Tamakawa MD, Abstract Co-Author: Nothing to Disclose

Kazusa Hyodoh MD, PhD, Abstract Co-Author: Nothing to Disclose

Masato Hareyama MD, Abstract Co-Author: Nothing to Disclose

Miki Takeda MD, Abstract Co-Author: Nothing to Disclose

Naoya Yama MD, Abstract Co-Author: Nothing to Disclose

Taishi Satoh MD, Abstract Co-Author: Nothing to Disclose

Yuriko Kawaai, Abstract Co-Author: Nothing to Disclose

Kazunori Aratani MD, Abstract Co-Author: Nothing to Disclose

Hirokazu Washio MD, Abstract Co-Author: Nothing to Disclose

et al, Abstract Co-Author: Nothing to Disclose

et al, Abstract Co-Author: Nothing to Disclose

To prospectively evaluate the detection of the artery of Adamkiewicz at magnetic resonance (MR) angiography and the effect such detection has on outcome after surgical graft placement in a series of patients with thoracoabdominal aortic disease.

This study had ethics committee approval, and written informed consent was obtained from all patients. From 2001 to 2006, 119 patients (88 men, 31 women; age range, 49–84 years; mean age, 69.0 years) who were scheduled to undergo thoracoabdominal aortic surgery for treatment of thoracoabdominal aortic aneurysm (Crawford I; 51, II; 18, III; 15, IV; 12, and arch; 23) were enrolled in the study. MR angiography was performed with a 1.5-T system by using dynamic three-dimensional fast spoiled gradient-recalled acquisition in the steady state with a bolus of contrast material (0.2mmol/kg) and saline injection (4 mL/sec). Spinal complication rate between patients in whom the artery of Adamkiewicz was identified (group A) and those in whom the artery was not identified (group B) were evaluated with Mann-Whitney U testing.

In 99 of the 119 patients (83.2% [group A]), at least one artery of Adamkiewicz was seen to arise from an intercostal artery. The branching levels were as follows; left (T7 1, T8 7, T9 28, T10 21, T11 32, T12 3) and right (T8 2, T9 2, T10 1, T11 2). The artery of Adamkiewicz could not be detected with MR angiography in 20 patients (16.8% [group B]). Spinal complications occurred in one patient in group A, and two patients in group B, and there was significant difference in two groups (P < 0.05).

The artery of Adamkiewicz was detected in a large percentage of patients in whom there were less spinal complications, unlike the spinal complications that occurred in the patients in whom the artery was not detected.

When the artery of Adamkiewicz was detected before thoracoabdominal aortic surgery, the patients have less spinal complication risk than in whom the artery was not detected.

Hyodoh, H, Kawaharada, N, Akiba, H, Tamakawa, M, Hyodoh, K, Hareyama, M, Takeda, M, Yama, N, Satoh, T, Kawaai, Y, Aratani, K, Washio, H, et al, , et al, , Usefulness of Preoperative Detection of Artery of Adamkiewicz with Dynamic Contrast-enhanced MR Angiography.  Radiological Society of North America 2007 Scientific Assembly and Annual Meeting, November 25 - November 30, 2007 ,Chicago IL. http://archive.rsna.org/2007/5000894.html