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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,정원호 대한의사협회 2008 대한의사협회지 Vol.51 No.11
Basically laboratory vestibular function testing use the vestibular ocular reflex and vestibular spinal reflex like as bedside examination or outpatients' evaluation. Such vestibular laboratory testing can aid diagnosis and can be used to document an abnormality suspected at bedside evaluation. The ability to perform serial vestibular evaluations allows an assessment over time of patients who are undergoing treatment for dizziness or treatment with potentially ototoxic medication. Generally speaking, it includes spontaneous nystagmus, some kinds of evoked nystagmus, ocular eye movement testing, Caloric's testing, rotational chair testing, vestibular evoked myogenic potential, subjective visual vertical, posturography and so on. Those testing have been developed with biomedical engineering based on the proven scientific facts together.
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.
다발성 양성돌발성두위현훈: 동시에 발생한 양측 후반고리관 결석과 편측 가쪽반고리관의 팽대부 결석
한규철,정승원,조창현 대한평형의학회 2009 Research in Vestibular Science Vol.8 No.2
Multicanal BPPV (benign paroxysmal positional vertigo), especially BPPV affecting both labyrinths, is uncommon. A review of the literature revealed that the majority of reported cases of multiple BPPV either involved a combination of two different canals limited to one labyrinth or two different canals in both labyrinths, although one case of multicanal BPPV was reported to involve three canals bilaterally. Here, the authors report a case of bilateral posterior canalolithiasis and unilateral horizontal canal cupulolithiasis in a 54-year-old man, and include a review of the literature. Multicanal BPPV (benign paroxysmal positional vertigo), especially BPPV affecting both labyrinths, is uncommon. A review of the literature revealed that the majority of reported cases of multiple BPPV either involved a combination of two different canals limited to one labyrinth or two different canals in both labyrinths, although one case of multicanal BPPV was reported to involve three canals bilaterally. Here, the authors report a case of bilateral posterior canalolithiasis and unilateral horizontal canal cupulolithiasis in a 54-year-old man, and include a review of the literature.