喉肌张力障碍：病例报告及肉毒杆菌毒素治疗
Laryngeal dystonia: case report and treatment with botulinum toxin.
作者信息
Santos Victor José Barbosa, Mattioli Fernando Marcos, Mattioli Wellerson Marcos, Daniel Renata Jacob, Cruz Vicente Paulo Miranda
机构信息
Faculdade de Medicina, Universidade Federal de Juiz de Fora, and Hospital Servidor Público Estadual de São Paulo, Brazil.
出版信息
Braz J Otorhinolaryngol. 2006 May-Jun;72(3):425-7. doi: 10.1016/s1808-8694(15)30980-0.
Laryngeal dystonia or spasmodic dysphonia is characterized by involuntary and inappropriate spasms of vocal muscles, having the adductor type as the most common one. It is characterized by strain-strangled voice with pitch breaks. Diagnosis is made by means of videolaryngostroboscopic exam. The treatment of choice is done with botulinum toxin directly injected in the muscles responsible for the mismatched movement. The aim of this study is to report on an adductor- type dysphonia patient and to discuss the advantages and observations about this treatment reported in the literature.
喉肌张力障碍或痉挛性发声障碍的特征是声带肌肉出现不自主且不适当的痉挛，其中内收型最为常见。其特点是声音紧张、憋闷且有音高间断。通过电子喉镜频闪检查进行诊断。首选治疗方法是将肉毒杆菌毒素直接注射到导致运动失调的肌肉中。本研究的目的是报告一名内收型发声障碍患者，并讨论文献中报道的这种治疗方法的优点及观察结果。
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