Journal of Cerebrovascular and Endovascular Neurosurgery

Korean Society of Cerebravascular Surgeons (대한뇌혈관외과학회)
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Cranial Nerve Palsy in Patients with Cavernous Sinus Dural Arteriovenous Fistula Treated with Embolization : A Single Institution Retrospective Analysis

해면정맥동의 경막동정맥루에서 색전술로 치료한 환자에서의 뇌신경마비 : 단일기관 후향적 분석

  • Chong, Sangjoon (Department of Neurosurgery, Seoul National University Hospital) ;
  • Kwon, O-Ki (Department of Neurosurgery, Seoul National University Bundang Hospital) ;
  • Oh, Chang Wan (Department of Neurosurgery, Seoul National University Bundang Hospital) ;
  • Lee, Young-Jin (Department of Neurosurgery, Seoul National University Bundang Hospital)
  • 정상준 (서울대학교병원 신경외과) ;
  • 권오기 (분당서울대학교병원 신경외과) ;
  • 오창완 (분당서울대학교병원 신경외과) ;
  • 이영진 (분당서울대학교병원 신경외과)
  • Published : 2011.09.30
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Abstract

Objective : Cranial nerve dysfunction is common after endovascular treatment of a cavernous sinus dural arteriovenous fistula and sometimes this symptom persists. We reviewed the treatment outcomes of the patients with cavernous sinus dural arteriovenous fistula and who were treated with endovascular technique, and we analyzed the characteristics of those patients who had cranial nerve palsy after treatment. Methods : Between May 2003 and July 2010, 25 patients were treated by an endovascular technique at our institution. Their medical records were reviewed and we analyzed their data, including the clinical presentation, the neurological deficits, the radiographic features and the treatment outcomes. Results : In our series, a total of 25 patients (28 cases) received endovascular treatment. There were four male patients and twenty one female patients with an age range of 26-78 years (mean age : 57.4 years). Complete occlusion was observed in nineteen cases (67.9%) and 5 cases (17.9%) showed near complete occlusion. Additional procedures were required for four cases with fistulas that were partially occluded by previous treatment. Twenty four patients (96%) showed improved symptoms during the follow up and only one patient suffered from persistent symptoms. Procedure-related complications were observed in 2 cases. New cranial nerve palsy was observed in four patients (16%) and two patients experienced aggravation of their existing cranial nerve palsy. One of them had persistent deficits at the final follow up. Conclusion : Sufficient occlusion and avoidance of over-compaction of coils are important to prevent cranial nerve palsy when performing endovascular treatment of cavernous sinus dural arteriovenous fistulas.

Keywords

References

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