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頁籤選單縮合
題 名 | Vigabatrin-Attributable Visual Field Defects in Patients with Intractable Partial Epilepsy=頑固部份癲癇病人使用Vigabatrin之視野缺損 |
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作 者 | 曾昱龍; 藍旻瑜; 賴向榮; 黃福進; 蔡景仁; | 書刊名 | Acta Neurologica Taiwanica |
卷 期 | 15:4 民95.12 |
頁 次 | 頁244-250 |
分類號 | 418.21 |
關鍵詞 | 癲癇; 抗癲癇藥物; 視野缺損; Intractable partial epilepsies; Perimetry; Risk factors; Vigabatrin; Visual field defect; |
語 文 | 英文(English) |
英文摘要 | Introduction: Vigabatrin (VGB) is implicated to cause visual field defects. We estimated the prevalence, described the characteristics and investigated the risk factors of VGB-attributable visual field defects. Methods: Patients with intractable partial epilepsy under VGB add-on treatment received static perimetric examinations. Visual field charts were reviewed and interpreted using a three-grade system. Clinical features and therapeutic courses were analyzed for possible risk factors. Results: Visual field defects in at least one eye were detected in 27 (79%) of 34 patients. In the subgroup of 27 patients with both eyes reliably tested, 16 (59%) had bilateral defect, among whom seven were severely involved and showed nasally dominant, crescent or concentric defect. Five patients had unilateral visual field defects. Four out of the 27 affected patients reported blurred vision. No statistically significant differences were noted between patients with and without visual field defects in terms of gender, age, duration or etiology of the epilepsy, and duration, maximum daily dose, or cumulative dose of VGB. Conclusions: There was a high prevalence of VGB-attributable visual field defects. No risk factors could be identified. Routine initial and regular follow-up of visual field examination, especially that focusing within a range of central fixation to 60°, should be performed in patients on VGB. |
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