Adv Ther:治疗面部痉挛,眼周注射肉毒杆菌毒素A即可,无需口周加注

2022-05-16 sunshine MedSci原创

面部痉挛(HFS)的特征是由面神经支配的面部表情肌肉的单侧间歇性阵挛和/或强直收缩,会给病人带来持久的社交障碍,降低其生活质量差。肉毒杆菌毒素A(BTX)注射可有效治疗HFS。

面部痉挛(HFS)的特征是由面神经支配的面部表情肌肉的单侧间歇性阵挛和/或强直收缩,会给病人带来持久的社交障碍,降低其生活质量差。肉毒杆菌毒素A(BTX)注射可有效治疗HFS。既往几项随机对照试验在注射部位、注射剂量或BTX的来源方面对BTX治疗HFS进行了比较,然而只有一项单盲随机试验比较了眼周和口周注射与单纯眼周注射的效果。只有一项单盲的随机对照试验评估了在HFS中是否需要口周注射。近日,发表于Adv Ther的一项随机、双盲、安慰剂对照试验评估了口周BTX注射液对治疗HFS的必要性。

研究纳入从未接受过BTX治疗的HFS患者,随机分组,分别接受眼周15个单位的BTX和口周的15个单位的生理盐水(A组)以及眼周和口周15个单位的BTX(B组)。主要结果是自我报告的症状和观察到的痉挛频率,次要结果是改善的持续时间或从注射到症状复发到与治疗前相同状况的时间。

 

结果,共有60名患者入选,每组各占一半,两组的基线特征相似。分析结果显示,A组和B组改善持续时间的平均值(SD)分别为22.97(18.85)和17.53(14.90)周(P = 0.220)。生存分析结果显示两组之间没有显著差异。B组的口周改善百分比较高,但在眼周改善的百分比、眼周和口周痉挛的视觉模拟量表或眼周和口周痉挛的频率方面没有差异。B组的副作用发生率高于A组(P = 0.053),特别是口角下垂(30% vs 10%)。

综上所述,该研究结果表明,对于治疗HFS来说,可能没有必要行口周BTX注射,否则可能会引起口角下垂等副作用的发生。

 

原始出处:

 

Suthipun Jitpimolmard, et al., A Double-Blind, Placebo-Controlled Study of Appropriate Site of Botulinum Toxin Therapy in Hemifacial Spasm. Adv Ther. 2022 May;39(5):2025-2034. doi: 10.1007/s12325-022-02077-6.

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