No shinkei geka. Neurological surgery · 2016
[A Case of Traumatic Vertebral Arteriovenous Fistula Treated by Internal Trapping of the Vertebral Artery].
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Nishihiro Shingo, Sugiu Kenji, Hishikawa Tomohito, Hiramatsu Masafumi, Haruma Jun, Shinji Yukei, Takasugi Yuji, Date Isao
Аннотация
BACKGROUND: Traumatic vertebral arteriovenous fistula (TVAVF) is an uncommon disease that occurs after traumatic injury. Here we report a case of TVAVF presenting with cervical bruit successfully treated by internal trapping using coils.
CASE PRESENTATION: A 66-year-old man was transferred to our hospital after falling into a ditch. Initial CT revealed a C2 fracture into the right transverse foramen, and the patient had been treated with conservative management. A vascular abnormality was suspected because the patient exhibited cervical bruit on admission. CT angiography revealed right TVAVF at the V2 segment of the right vertebral artery (VA) near the C2 fracture. Digital subtraction angiography also revealed right TVAVF between the V2 segment of the right VA and the vertebral venous plexus, draining into the right internal jugular vein and the deep cervical vein as well as the intracranial venous system. The fistula was also opacified by retrograde flow from the contralateral VA through the union, while the flow in the basilar artery was antegrade. The patient was diagnosed with TVAVF with large transection of the right VA, and underwent endovascular treatment with internal trapping of the right VA using coils starting distal to the transection and proceeding in a proximal direction. After treatment, the right VAVF and right VA were completely occluded. The patient achieved clinical symptom resolution with no neurological deficits.
CONCLUSION: Endovascular treatment with internal trapping of the VA using coils is safe and effective against TVAVF.
CASE PRESENTATION: A 66-year-old man was transferred to our hospital after falling into a ditch. Initial CT revealed a C2 fracture into the right transverse foramen, and the patient had been treated with conservative management. A vascular abnormality was suspected because the patient exhibited cervical bruit on admission. CT angiography revealed right TVAVF at the V2 segment of the right vertebral artery (VA) near the C2 fracture. Digital subtraction angiography also revealed right TVAVF between the V2 segment of the right VA and the vertebral venous plexus, draining into the right internal jugular vein and the deep cervical vein as well as the intracranial venous system. The fistula was also opacified by retrograde flow from the contralateral VA through the union, while the flow in the basilar artery was antegrade. The patient was diagnosed with TVAVF with large transection of the right VA, and underwent endovascular treatment with internal trapping of the right VA using coils starting distal to the transection and proceeding in a proximal direction. After treatment, the right VAVF and right VA were completely occluded. The patient achieved clinical symptom resolution with no neurological deficits.
CONCLUSION: Endovascular treatment with internal trapping of the VA using coils is safe and effective against TVAVF.