Endovascular treatment for dural arteriovenous fistulae of the superior petrosal sinus |
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Authors: | Ng Perry P Halbach Van V Quinn Roswell Balousek Peter Caragine Louis P Dowd Christopher F Higashida Randall T Wilson Charles |
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Affiliation: | Division of Interventional Neuroradiology, University of California at San Francisco Medical Center, San Francisco, California 94143, USA. |
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Abstract: | OBJECTIVE: To determine the usefulness of endovascular embolization for treatment of dural arteriovenous fistulae of the superior petrosal sinus. METHODS: We performed a retrospective review of 18 patients treated during a 16-year period. Transarterial and/or transvenous embolizations were performed as a preoperative adjunct or definitive therapy. Clinical follow-up status was supplemented by telephone interviews to determine Glasgow Outcome Scale scores. RESULTS: Fourteen patients (78%) were treated with a combination of endovascular therapy and open surgery, and 4 were treated by embolization alone (22%). Angiographic cure was achieved in all patients (100%). Thirty-day morbidity and mortality were 11 and 0%, respectively. The mean follow-up period was 5.4 years. At the latest follow-up examination, all patients had returned to independent clinical status (Glasgow Outcome Scale scores of 1 or 2). CONCLUSION: Endovascular treatment of dural arteriovenous fistulae of the superior petrosal sinus can result in cure when access to the site of the fistula can be achieved. Preoperative embolization is a safe and effective adjunct to minimize bleeding during open neurosurgery. |
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