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유상경,권오영,이정진,김민정,김창헌,김영수,박기홍,김수경,강희영,최낙천,임병훈 대한신경과학회 2017 대한신경과학회지 Vol.35 No.2
A cavernous angioma (CA) and a developmental venous anomaly may consist a mixed vascular malformation (MVM). Two bleeding foci were observed in a MVM of a man with epilepsy. The hemodynamic association between the two foci was not clear. An advance of neuroimaging may enhance the susceptibility of detection of MVMs. We should consider a MVM when a daughter bleeding focus occurs near the main bleeding focus associated with a CA
다초점후천탈수초감각운동신경병 환자에서 발생한 편측혀밑신경병: 운동신경세포질환과 감별 진단
유상경,김민옥,김창헌,김영수,김수경,강희영,최낙천,권오영,임병훈,박기홍 대한신경과학회 2018 대한신경과학회지 Vol.36 No.3
Multifocal acquired demyelinating sensory and motor neuropathy (MADSAM) is a peripheral neuropathy characterized by multifocal weakness and associated sensory impairment. MADSAM is associated with multifocal persistent conduction block and other signs of demyelination. The incidence of cranial nerve involvement in MADSAM was recently reported to be approximately 15%. However, reports of hypoglossal neuropathy occurring in MADSAM are rare. Unilateral hypoglossal neuropathy in MADSAM is usually misdiagnosed as motor neuron disease. We report a patient with MADSAM presenting with tongue hemiatrophy
권오영,유상경,김영수 대한신경집중치료학회 2016 대한신경집중치료학회지 Vol.9 No.2
Brain lesions may be detected by magnetic resonance imaging (MRI) during acute seizures or just after the seizures. Lesions are associated with restriction of diffusion, increment of T2 signals, and increment of contrast enhancement (CE) in MRI. Magnetic resonance angiography (MRA) and brain perfusion images are useful for distinguishing brain lesions attributed to acute seizures (BLASs) from acute ischemic lesions. BLASs can be distinguished from acute cerebral infarction with the following features. MRA may indicate that cerebral blood vessels in the regions of BLASs are prominent or have an increased diameter. A distinct emergence of vascular branches may also be observed at the regions in MRA. In addition, the early break-down of blood brain barrier in the BLASs and their surrounding areas may lead to CE of leptomeninges. Increase of local perfusion during the ictal phase also makes BLASs different from acute cerebral infarction. The differentiation of BLASs from other pathological conditions such as cerebral infarction and encephalitis is not straightforward. Misinterpretation of brain imaging may lead to failure to provide adequate managements or overuses of diagnostic methods and overtreatments. To reduce these clinically critical errors, we must have a multidisciplinary approach to diagnose patients’ conditions. Most BALSs are transient and reversible. Thus, follow-up studies of MRI are needed to confirm the lesions. However, the duration of the existence of the lesions are variable. Some lesions may remain while other may not.
교통약자를 위한전동 이동 보조기기 안전 경로 서비스의 개발과 평가
우제승,홍순기,유상경,김회경 한국지리정보학회 2023 한국지리정보학회지 Vol.26 No.3
본 연구는 최근 이동권 개선을 위해 교통약자들을 중심으로 이용되고 있는 전동 이동 보조기기의 안전 경로를 제공하는 서비스를 개발하고 평가하였다. 부산광역시에 거주하는 교통약자들과 관련 기관 종사자(부산광역시 내 장애인 자립 생활센터, 장애인 협회 정회원, 전동 이동 보조기기 수리기사, 활동 보조사)들과의 설문을 통해 전동 이동 보조기기의 이동에 영향을 미치는 13종의 요인을 도출하였다. 각각의 요인들에 안전성 점수를 부여하고 현장에서 수집된 데이터로 객체 인식 AI 모델을 학습시켜 해당 요인들을 판별한 후, 최적경로 탐색 알고리즘을 통해 전동 이동 보조기기 경로 안내 서비스를 개발하였다. 동일한 출도착 경로를 대상으로 T-map에서 제공하는 일반 경로와 본 연구의 추천 경로를 비교한 결과, 일반 경로에서는 전동 이동 보조기기의 주행에 방해가 되거나 승차감을 불편하게 하는 장애물이 많았고 가파른 경사로 인해 이동이 불편했지만, 본 연구의 추천 경로에서는 상대적으로 장애물이 적었고 경사도 완만하여 전동 이동 보조기기의 주행에 무리가 없었다. 향후 연구에서는 전동 이동 보조기기 이용자의 실시간 위치를 기반으로 경로 안내 서비스를 구현하고 다수의 이용자를 대상으로 현장 실증테스트를 진행하여 사회적 수용성 평가 및 검증을 수행할 필요가 있다. This study developed and evaluated a safe route guidance service for electric personal assistive mobility device used mainly by the mobility impaired people to improve their mobility. Thirteen underlying factors affecting the mobility of electric personal assistive mobility device have been derived through a survey with the mobility impaired people and employees in related organizations in Busan Metropolitan City. After assigning safety scores to individual factors and identifying the relevant factors along routes of interest with an object detection AI model, the safe route for electric personal assistive mobility device was provided through an optimal path-finding algorithm. As a result of comparing the general route of T-map and the recommended route of this study for the identical routes, the latter had relatively fewer obstacles and the gentler slope than the former, implicating that the recommended route is safer than the general one. As future works, it is necessary to enhance the function of a route guidance service based on the real-time location of users and to conduct spot investigations to evaluate and verify its social acceptability.
카바마제핀서방정과 토피라메이트의 복합급성중독에서 체외치료의 유용성
김민정,권오영,김도형,유상경,박동준,정희정,손승남,김수경,강희영,박기종,최낙천,임병훈 대한신경과학회 2016 대한신경과학회지 Vol.34 No.1
Controlled-release carbamazepine (CBZ) could be more harmful than the regular form in special situations due to their respective biochemical characteristics. When primary treatment is not effective in acute intoxication, extracorporeal treatment (ECTR) could be an option. We recently applied ECTR to a patient with combined intoxication of topiramate and controlled-release CBZ who deteriorated despite receiving primary treatment. The patient improved after administering ECTR. Early ECTR intervention may be beneficial for the treatment of CBZ intoxication, especially of the controlled-release form.