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华西医学  2012 

伽玛刀治疗三叉神经痛疼痛缓解时间分析

, PP. 889-891

Keywords: 伽玛刀,三叉神经痛,疼痛缓解时间

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Abstract:

目的 分析和总结采用双靶点伽玛刀治疗三叉神经痛术后疼痛缓解时间规律,为伽玛刀的临床治疗提供参考。方法 2005年1月-2011年1月,共147例原发性三叉神经痛患者于四川大学华西医院接受LeksellC型伽玛刀治疗。使用4mm准直器在三叉神经根制作2个等中心靶点,中心剂量80~90Gy,控制脑桥照射剂量<20Gy。术后定期对患者进行随访,对疼痛缓解时间进行统计分析。结果 130例患者获得随访,随访时间11~64个月,平均28.7个月。术后疼痛完全缓解95例(73.1%),部分缓解29例(22.3%),无效6例(4.6%)。疼痛缓解时间4h~12个月,平均3.6周,其中疼痛完全缓解患者的疼痛缓解时间明显短于部分缓解患者(P<0.05)。53例(40.8%)患者于术后出现术侧轻度面部麻木。结论 患者术后疼痛缓解时间可能是预测伽玛刀治疗效果的重要因素,但疼痛缓解时间个体差异大,应进行长期随访观察。

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