Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina.
Department of Neuro-logical Surgery, University of California San Francisco, San Francisco, California.
Neurosurgery. 2018 Mar 1;82(3):350-358. doi: 10.1093/neuros/nyx158.
BACKGROUND: Occipital lobe epilepsy (OLE) is an uncommon but debilitating focal epilepsy syndrome with seizures often refractory to medical management. While surgical resection has proven a viable treatment, previous studies examining postoperative seizure freedom rates are limited by small sample size and patient heterogeneity, thus exhibiting significant variability in their results. OBJECTIVE: To review the medical literature on OLE so as to investigate rates and predictors of both seizure freedom and visual outcomes following surgery. METHODS: We reviewed manuscripts exploring surgical resection for drug-resistant OLE published between January 1990 and June 2015 on PubMed. Seizure freedom rates were analyzed and potential predictors were evaluated with separate meta-analyses. Postoperative visual outcomes were also examined. RESULTS: We identified 27 case series comprising 584 patients with greater than 1 yr of follow-up. Postoperative seizure freedom (Engel class I outcome) was observed in 65% of patients, and was significantly predicted by age less than 18 yr (odds ratio [OR] 1.54, 95% confidence interval [CI] 1.13-2.18), focal lesion on pathological analysis (OR 2.08, 95% CI 1.58-2.89), and abnormal preoperative magnetic resonance imaging (OR 3.24, 95% 2.03-6.55). Of these patients, 175 also had visual outcomes reported with 57% demonstrating some degree of visual decline following surgery. We did not find any relationship between postoperative visual and seizure outcomes. CONCLUSION: Surgical resection for OLE is associated with favorable outcomes with nearly two-thirds of patients achieving postoperative seizure freedom. However, patients must be counseled regarding the risk of visual decline following surgery.
背景:枕叶癫痫(OLE)是一种罕见但使人虚弱的局灶性癫痫综合征,其发作通常对药物治疗有抗性。虽然手术切除已被证明是一种可行的治疗方法,但以前研究手术切除后无癫痫发作率的研究受到样本量小和患者异质性的限制,因此其结果存在显著差异。
目的:回顾枕叶癫痫的医学文献,以研究手术治疗后无癫痫发作和视觉结果的发生率和预测因素。
方法:我们在 PubMed 上检索了 1990 年 1 月至 2015 年 6 月期间发表的关于药物难治性 OLE 手术切除的研究。分析了无癫痫发作率,并通过单独的荟萃分析评估了潜在的预测因素。还检查了术后视觉结果。
结果:我们确定了 27 项包含 584 例患者且随访时间超过 1 年的病例系列研究。术后无癫痫发作(Engel 分级 I 结果)的患者占 65%,年龄小于 18 岁(优势比 [OR] 1.54,95%置信区间 [CI] 1.13-2.18)、病理学分析为局灶性病变(OR 2.08,95%CI 1.58-2.89)和术前磁共振成像异常(OR 3.24,95%CI 2.03-6.55)是显著预测因素。这些患者中有 175 例还报告了视觉结果,其中 57%的患者在手术后出现了一定程度的视觉下降。我们没有发现术后视觉和癫痫发作结果之间的任何关系。
结论:OLE 的手术切除与良好的结果相关,近三分之二的患者术后无癫痫发作。然而,必须告知患者手术后视觉下降的风险。
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