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KMID : 1103720070570010015
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Journal of the Korean Society of Radiology
2007 Volume.57 No. 1 p.15 ~ p.20
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Diagnosis of Arteriovenous Fistulas following a Lumbar Discectomy
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Roh Byung-Suk
Kim Jeong-Ho
Kim Hae-Won
Jun Se-Jung
Park Seong-Hoon
Choi Mi-Young
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Abstract
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Purpose: To evaluate the relevant clinical and radiographical findings for the diagnosis of an arteriovenous fistula after a lumbar discectomy.
Materials and Methods: Five patients with an arteriovenous fistula following a lumbar discectomy were preoperatively diagnosed and treated. We retrospectively evaluated the level of surgery, injured vessels, clinical symptoms, physical findings, and the interval between surgery and treatment. Effective and fast diagnostic methods for determining the presence of a postoperative arteriovenous fistula were evaluated.
Results: All of the arteriovenous fistulas resulted from operative injuries of the iliac arteries and veins. They were diagnosed after a mean time of 22 months (range 2 months-4 years) in spite of various symptoms and signs shortly after surgery. The arteriovenous fistulas were confirmed with angiography and were treated by surgery for 3 patients and by insertion of a stent-graft in 2 patients. Postoperative CT angiography showed the complete occlusion of the fistula tract and the normal blood flow.
Conclusion: Essential clinical information and radiological examination, especially CT angiography with 3D reconstruction, is necessary to obtain to diagnose an arteriovenous fistula after a lumbar discectomy.
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KEYWORD
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Fistula, arteriovenous, Spine, surgery, Computed tomography(CT), angiography, Stents and prostheses
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