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요추간판탈출증 환자에 있어 화학 수핵용해술의 치료결과 분석
박권희,최진섭,박우용,강창구,김동희,김대조 대한신경외과학회 1986 Journal of Korean neurosurgical society Vol.15 No.4
We had experienced 60 cases of chemonucleolysis with Discase®(chymopapain for injection) under careful patient selection of herniated lumbar discs and had followed up thereafter at least 3 months since July, 1984. Therapeutic results were generally favorable, with 90% of patients achieving either excellent or good( satisfactory) results. Three patients only had poor or failure results. There was no major anaphylatic reaction and no serious neurologic complications. Back spasm and stiffness/soreness were the most frequently encountered complications.
박권희,강창구,김동희,김대조 대한신경외과학회 1986 Journal of Korean neurosurgical society Vol.15 No.4
We have had the opportunity to investigate a case with traumatic middle cerebral artery occlusion. The patient was 47 years old male who developed right hemiplegia and aphasia after collision with a automobile vehicle. Cerebral arteriography demonstrated complete occlusion of the left Sylvian middle cerebral artery distal to the origin of the operculofrontal arteries. The computed tomographic scan of the brain revealed dense infarction on the left temporoparietooccipital lobe. With repeated studies on 6 weeks and 6 months after trauma, confirmed partial clearing of the previously occluded middle cerebral artery in cerebral arteriographies and no interval change in computed tomographic scans. Comparable reported cases and theories of pathogenesis are discussed.
액상 규산나트륨 함침이 종이의 열적 특성에 미치는 영향
박권희,김영래,조병욱 한국펄프·종이공학회 2022 펄프.종이기술 Vol.54 No.6
Heat-resistant insulators are the core materials in fire doors and are directly related to people’s safety in a fire. Heverever, there needs to be a material that possesses heat resistance and insulation with reasonable production cost. To develop a core material for fire doors based on recycled paper, such as copy paper and linerboard, were impregnated with liquid sodium silicate and the effects of the sodium silicate content on the thermal properties of paper were investigated. It was observed that liquid soidum silicate can be used as a flame retardant when manufacturing fire door core materials. Imprenation of liquid sodium silicate delayed both glowing and burning temperatures along with an increased weight of residues after combustion over 750℃. Hence, it is possible to manufacture an incombustible material based on recycled papers by adding liquid sodium silicate and inorganic materials that do not themally decompose over 750℃. .