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최판규,정지연,강현구 대한신경과학회 2018 대한신경과학회지 Vol.36 No.3
Toxoplasma encephalitis is an opportunistic infection that may occur in immunocompromised or advanced HIV (Human Immunodeficiency Virus) patients and lead to serious complications in the CNS. We report a 44-year-old man with toxoplasma encephalitis combined with HIV infection. He was admitted with headache and neck stiffness. Brain computed tomography showed normal findings. Tuberculous meningitis was suspected from CSF and serum tests. However, his symptoms continued to progress, and toxoplasma encephalitis was diagnosed based on brain magnetic resonance imaging and serum tests
소단면 대심도 터널 화재시 대배기구의설치형태에 따른 화재특성 연구
최판규,백두산,유지오,김창용 사단법인 한국터널지하공간학회 2019 한국터널지하공간학회논문집 Vol.21 No.1
최근 국내외 도심지역의 교통정체 완화와 공간의 효율성 증대를 위해 대도시내 도로의 지하화 시행빈도가 증가하고 있다. 도시부 터널은 극심한 정체상황 중 화재가 발생할 경우 대형 참사를 유발할 가능성이 산악터널보다 높기 때문에 소단면으로된 소형차전용터널로 시공이 될 가능성이 높다. 소형차 전용의 터널로 시공이 될 경우, 소형차 전용터널은 차량에의한 설계화재강도를 감소할 수 있는 반면, 터널 높이 감소 등에 따른 단면적 축소에 따라 유해가스농도가 증가하여 위험도는 증가하는 상반된 특징이 있다. 본 연구에서는 수치해석을 통해 대배기구의 설치간격과 형태에 따른 화재양상을 터널 내 온도 및 CO농도를 분석하여 비교 ‧ 검토하였으며, 다음과 같은 결론을 얻었다. 설치간격에 따른 연기확산거리는 큰차이가 없는 것으로 분석되었으나, 본 연구에서는 간격이 100 m인 경우가 가장 효과적으로 분석되었다. 대배기구 형상에 따른 연기확산거리는 4 m × 3 m, 6 m × 2 m, 3 m × 2 m (2열) 순으로 배연성능이 우수한 것으로 분석되었으며, 대배기구 형상에 따른 연기확산거리는 플래시오버 이후에는 큰 차이가 없지만 화재 성장과정에서 3 m × 2 m인 경우 다른 경우보다 확산거리가 큰 것으로 분석되었고, 대배기구 종횡비에 따른 연기확산거리는 횡방향으로 긴 경우보다 종방향으로긴 경우가 화재연기의 확산거리가 더 짧은 것으로 분석되었다. Recently, due to the efforts to mitigate traffic congestion and expansion of space efficiency, the construction of underground roads has been increased in big-scale cities. Since tunnels in the city have a higher chance for a fire leading to a great tragedy during a severe traffic jam than mountain tunnels, it is highly likely that it will be constructed as a tunnel, having a small cross section, for small vehicles. However, if they are constructed as such small-vehicle tunnels, it would be possible to reduce the design fire intensity while the concentration of harmful gases would increase due to a reduction in the small cross sectional area, led by a decrease in the tunnel height. In this study, behaviors of fire smoke by the installation interval and format of large-scale exhaust-gas ports were examined and compared in the analysis of temperatures and CO concentrations of a tunnel and its results were as the following. Although there were no significant differences in the smoke spreading distance between installation intervals, but in this study, 100 m was found to be the most effective installation interval. The smoke exhaustion performance was found to be excellent in the order of 4 m × 3 m, 6 m × 2 m, and 3 m × 2 m (2 lane) of the smoke spreading distance. Although there was no significant difference in the smoke spreading distance between formats of large-scale exhaust-gas ports, it was found that the smoke spreading distance was larger than other cases when it was 3 m × 2 m in the fire growing process. The analysis of smoke spreading distances by the aspect ratio showed that a smoke spreading distance was shorted when its the smoke spreading distance was found to be shorter when its traverse distance was relatively longer than its longitudinal distance.
콜리스틴으로 성공적인 치료를 보인 Acinetobacter baumannii 수막염
최판규,김광훈,강현구 대한신경과학회 2017 대한신경과학회지 Vol.35 No.4
Acinetobacter baumannii is a source of opportunistic infection in hospital and can cause central nervous system infection mainly by neurosurgical operation. Community acquired infection by Acinetobacter baumannii is very rare. A 58-year-old man was presented with fever, decreased consciousness and seizure. Acinetobacter baumannii was identified in the CSF culture, and colistin was administered intravenously. Patient's clinical symptoms improved after treatment. We report a case of successful treatment of Acinetobacter baumannii meningitis with colistin.
철결핍빈혈을 동반한 대동맥궁 혈전으로 유발된 색전뇌경색
최판규,류한욱,강현구 대한신경과학회 2017 대한신경과학회지 Vol.35 No.3
Atherosclerotic lesions at the aortic arch are recognized as critical sources of embolic strokes. However, there have been few case reports of aortic arch thrombus occurring without atherosclerotic changes, especially those related to iron deficiency anemia (IDA). A 44-year-old woman was admitted due to rapid-onset right hemiparesis and aphasia. Etiological investigations for cerebral infarction revealed no abnormality other than IDA. This is a rare case of cerebral embolic infarction caused by an aortic arch thrombus with IDA in a middle-aged woman