alexa The Exact Diagnosis of Arytenoid Cartilage Dislocation: Morphological and Clinical Studies


Journal of Anesthesia & Clinical Research

Author(s): Hideto Saigusa, Kumiko Tanuma, Tsuyoshi Nakamura, Iichirou Aino, Takayuki Kokawa

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Dislocation of the arytenoid cartilage is an usual laryngeal injury that can occur following blunt trauma or medical instrumentation to the laryngeal cavity, for example, after endotracheal intubation. In past reports, the diagnosis of arytenoid dislocation was usually made clinically and using a laryngoscope. The utility of CT imaging in the diagnosis of arytenoid dislocation was reported. Electromyography of the intrinsic laryngeal muscle was also described as a useful diagnostic examination to rule out neurogenic arytenoid cartilage dysfunction, such as recurrent laryngeal nerve palsy. However, it was very difficult to perform an electromyographic examination of the intrinsic laryngeal muscle and to understand the reciprocal positions of the laryngeal cartilage from CT imaging for general otolaryngologists. Additionally, a means of distinguishing whether the arytenoid dislocation was the anterior type or the posterior type, and to reduce the arytenoid dislocation according to the dislocated type, has not been established. Thus, it is necessary to establish an effective diagnostic protocol that does not require the patient's effort or cause physical damage.

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This article was published in Nihon Kikan Shokudoka Gakkai Kaiho and referenced in Journal of Anesthesia & Clinical Research

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