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Research in Vestibular Science > Volume 11(4); 2012 > Article
Research in Vestibular Science 2012;11(4): 146-153.
두부 외상으로 발생한 양측성 전정기능소실 환자에서 전정안반사의 이득 감소가 회복된 1예
박가영, 정은욱, 김종세, 정원호
성균관대학교 의과대학 삼성서울병원 이비인후과학교실
Spontaneous Recovery of Vestibulo-Ocular Reflex Gain after Bilateral Complete Vestibular Loss Following Head Injury
Ga Young Park, Eun Wook Chung, Jong Sei Kim, Won Ho Chung
Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. whchung@skku.edu
Dizziness is a frequent complication of head injury and objective evidence of vestibular dysfunction in the dizzy patient following head injury has been reported in literatures. However, there is no report about bilateral spontaneous recovery of caloric response after complete loss of bilateral vestibular function following head injury. A 27-year-old male patient who presented with continuous dizziness and disequilibrium following head injury was diagnosed as diffuse axonal injury after brain magnetic resonance image and bilateral complete loss of vestibular function after caloric and rotary chair test. He showed gradual improvement of dizziness, vestibulo-ocular reflex gain and left caloric response at 2 months after vestibular exercise. After another 4 months, his caloric function was fully recovered, and dizziness disappeared at 16 months after the onset of dizziness. We present this case with reviews of previous literatures about dizziness following head injury and diffuse axonal injury.
Keywords: Dizziness; Diffuse axonal injury; Head injuries; Vestibule-ocular reflex; Caloric tests
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