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한규철 대한이비인후과학회 2012 대한이비인후과학회지 두경부외과학 Vol.55 No.6
Unsteadiness that people may continuously experience in everyday life is closely related to unilateral vestibulopathy. In human bipedal gait related to locomotion, supra-spinal control is responsible for gait rhythm. The vestibular system is involved in stable gait directly by adjusting the tension of the antigravity muscles and indirectly by producing information related to a change in the center of gravity according to the angular velocity and position of the head; thus, vestibular disorder gives rise to vestibular ataxia. Vestibular ataxia arises from vestibulo-spinal reflex impairment that changes the movement of the center of gravity in gait initiation, step length, stance width, the timing of ground reaction force, and pre-swing. In this way, information from studies related to locomotion is very important in vestibular rehabilitation.
한규철,이윤규 대한이비인후과학회 2004 대한이비인후과학회지 두경부외과학 Vol.47 No.6
attached by a small pedicle, which results in complete survival. There are, however, rare occasions when the entire ear is completely amputated. The ear has an abundant blood supply, and nowadays it is posible to reconstruct it perfectly using micro-anastomosis and flap surgery. In these cases, we apply the folowing three methods;fish-mouth technique, modified pocket method, Die-are obtained if the surgeon has a broad range of techniques at his disposal. Authors report three cases of traumatized auricular recon-struction with a review of literatures.
한규철 대한평형의학회 2013 Research in Vestibular Science Vol.12 No.-
Benign paroxysmal positional vertigo (BPPV) is diagnosed when vertigo and typical nystagmus are elicited by the positional maneuvers. Otherwise, the others unexplainable nystagmus beyond the typical form was called “atypical form” BPPV. The reports of atypical form in BPPV have been decreased according to expansion of knowledge or experience about various BPPV. Atypical BPPV include the switch or transitional,bilateral, and multi-canal type BPPV. Recently those complicated BPPV have been investigated by 3D video nystagmography and high resolution magnetic resonance image. Although we could not fully understand the etiology and pathophysiology of BPPV, These efforts to define the atypical BPPV should be helpful to grow up background knowledge of physician.