http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
신생 흰쥐 난형낭의 조직배양 모델군에서 이독성 유발 후저출력 레이저에 의한 전정유모세포 재생 증진 효과에 대한 연구
정용원,안진철,임은석,김영생,이상훈,이민영,이정구 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.1
Background and Objectives:In normal postnatal mamalian inner ear sensory epithelium, regeneration of hair cells is a very rare event, but there is hair cell regeneration with partial restoration of the vestibular sensory epithelium following ototoxiIn this study, the efects of low-level laser on hair cell regeneration folowing gentamicin exposure in postnatal organotypic culture of rat utricles were investigated. Materials and Method:A long term organotypic culture of 2 to 7 day old rat utricular maculae was established to study aminoglycoside-induced vestibular hair cell renewal. The utricles were exposed to 1 mM of gentamicin for 48 hr and allowed to recover in a culture medium only or in a medium with daily iradiation of low-level laser, whereas the marker, to identify live hair cells in cultured tissues. Results:Los of hair cells was nearly stopped from 2 days after exposure to gentamicin;a peak of regeneration was reached after 18 days and sustained for two weks in the medium with the irradiation of low-level laser. Conclusion:These results suggest that low-level laser promotes spontaneous hair cell regeneration following gen-tamicin damage in utricular explants. (Korean J Otolaryngol 2007 ;50 :25-30)
정용원,박으뜸,김혜영,정재윤 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.10
Vestibular neuritis represents as a spinning type of dizines acompanied by nausea, vomiting. Central vertigo such as cerebellar uplies the cerebellum by branching out into superior cerebellar artery, anterior inferior cerebellar artery, and posterior inferior cerebellar artery. The patient had spinning type of vertigo, nausea, vomiting on the day of visit without any otologic symptoms. Only spontaneous nystagmus was observed. After admission, the patients diziness aggravated and emergency brain magnetic resonance imaging was performed. As ess decreased, the folow-up imaging study showed improvement of the infarction, and the patient was discharged. We experienced three cases of PICA infarction presenting as peripheral types of dizzines, and therefore we are reporting the case. (Korean J Otorhinolaryngol-Head Neck Surg 2007 ;50 :941-6)