- 期刊
Trigger Point Deactivation of the Sternocleidomastoid Muscle on Tinnitus, Balance and Hearing-Case Report
胸鎖乳突肌連鎖反應點對於耳鳴，平衡及聽力的影響－病例報告
摘要
Tinnitus has multiple causes, including a possible relationship with myofascial trigger points (MTPs). A 52-year-old male patient presented with a 30-year history of right tinnitus and impaired hearing. MTPs of sternocleidomastoid (SCM) muscle were palpated. Over 5 weeks, the patient received a weekly MTPs injection of 1 mL of a 50% glucose solution to the right side SCM muscle. His tinnitus was gradually alleviated. The VAS (Visual Analogue Scale) of tinnitus at each session was 10, 5, 4, 3 and 3. Hearing impairment also improved. To survey the MTPs syndrome relationship between referred tinnitus and triggered SCM muscles, three tests for the patient were performed before and after trigger point injection. The three tests included neck fitness, balance and audiometry. We observed substantial improvement of the strength of the patient’s neck muscles, as measured by MicroFET3. Balance measured by the SMRAT Balance Master and sensory analysis showed elevated visual and vestibular ratios. Pure-tone audiometry showed that sensorineural hearing impairment improved after injection. While myofascial pain syndrome from trigger points is related to the musculoskeletal system, MTP injection in the SCM muscle rather deactivated chronic tinnitus. Furthermore, conductive and sensorineural hearing impairment in this patient were also improved. An underlying mechanism of interaction between the neck and the auditory system is suggested.
並列摘要
1名52歲男性自述有30年耳鳴以及聽力異常的病史，合併胸鎖乳突肌壓痛，他在5個星期內，每周接受1次使用1cc 50％葡萄糖液注射胸鎖乳突肌的療法來改善頸部肌肉壓痛的問題。治療完成後，耳鳴逐漸改善了。耳鳴程度之視覺評分指數（Visual Analogue Scale）從10，5，4，降到3。聽力也有些微進步。觀察到這樣的現象，我們想要研究胸鎖乳突肌連鎖反應點對於耳鳴，平衡及聽力的關聯，因此我們在病人接受此注射療法前後安排三項測試，包括頸部活動度，平衡以及聽力檢查。這三項測試在注射治療後都有看到一些進步。連鎖反應點一般來說屬於肌肉骨骼系統，不過仍有研究顯示抑制胸鎖乳突肌的連鎖反應點可以治療慢性耳鳴，有一些假說的對於頸部及聽力系統的相關機制可以支持我們觀察到的現象。