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성인 코우츠병에서 유리체강 내 라니비주맙주입술을 시행한 1예
김한얼(Han Ul Kim),신성환(Seong Hwan Shin),박성표(Sung Pyo Park) 대한안과학회 2017 대한안과학회지 Vol.58 No.7
목적: 성인 코우츠병 환자에서 유리체강 내 라니비주맙주입술 시행 후 망막 부종 감소 및 시력 호전을 보인 증례를 경험하여 이를 보고하고자 한다. 증례요약: 기저질환이 없는 21세 여자가 3개월 전부터 지속되는 좌안의 시력저하를 주소로 내원하였다. 최대교정시력 우안 1.0, 좌안 0.4, 안압은 우안 19 mmHg, 좌안 16 mmHg로 측정되었다. 세극등 검사상 전안부에서 특이소견은 관찰되지 않았다. 안저 검사상 좌안에 망막하 삼출물, 후극부 상측 망막 부종 및 상이측 혈관궁을 따라 분포된 모세혈관 확장증 소견을 보였다. 코우츠병 진단하에 유리체강 내 라니비주맙주입술을 시행하였고 모세혈관 확장증 및 모세혈관 비관류 지역에 대하여 레이저 광응고술을 시행하였고 1개월 후 망막 부종 감소를 보였다. 이후 1개월 간격으로 유리체강 내 라니비주맙 2차, 3차 주입술을 추가 시행하였고 최대교정시력 좌안 0.8로 개선되었으며 빛간섭단층촬영상 상측 망막 부종 감소를 보였다. 결론: 성인 코우츠병 환자에서 유리체강 내 라니비주맙주입술이 코우츠병의 일반적인 치료로 이용되는 레이저 광응고술과 병합치료로서 망막 부종 감소 및 시력 회복에 효과적임을 보고하는 바이다. <대한안과학회지 2017;58(7):870-874> Purpose: To report a case of adult-onset Coats’ disease which showed decreased retinal edema and improved visual acuity following intravitreal ranibizumab injection. Case summary: A 21-year-old woman visited our hospital for decreased visual acuity in left eye from 3 months ago. Her best corrected visual acuity was 1.0 in the right eye, and 0.4 in the left eye. The intraocular pressure was 19 mmHg in the right eye and 16 mmHg in the left eye. At anterior segment examination, no abnormal findings were found. On fundus examination, subretinal exudates, superior retinal edema at posterior pole, and telangiectasia along superortemporal vascular arcade were observed in the left eye. Upon diagnosis as Coats’ disease, intravitreal ranibizumab was performed, and laser photocoagulation was done around the retinal telangiectasia and nonperfusion area. Then, the second and third intravitreal ranibizumab injections were performed by a month, and her best visual acuity was improved to 0.8 and optical coherence tomography revealed decreased retinal edema. Conclusions: We report a case of adult-onset Coats’ disease. Intravitreal ranibizumab injection is effective in rapid visual improvement and decrease of retinal edema as combination therapy with laser photocoagulation which was a generalized treatment of choice in Coats’ disease. J Korean Ophthalmol Soc 2017;58(7):870-874
김한얼 ( Kim Han Eol ),임형철 ( Lim Hyoung Chul ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
Currently, the school-age population continues to decline in Korea due to social factors. On the other hand, the dormitory facilities are constantly being built and renovated. There are many problems such as construction period and on-site waste when constructed with reinforced concrete structures, which are existing construction methods. Accordingly, dormitory facilities shall be constructed using appropriate construction methods. Therefore, in this study, we will collect and organize basic data on the use status and modular system of dormitory facilities and study efficient maintenance and management when modular construction method is applied to dormitory facilities with changing demand.
김한얼 ( Kim Han-eol ),안재홍 ( Ahn Jae-hong ),임형철 ( Lim Hyoung-chul ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.1
If the participants in construction site safety management perform their duties in accordance with the provisions of the Industrial Safety and Health Act, the burden on safety managers would be minimal. However, the lack of specific work guidelines for each participating entity and the greater responsibility of the safety and health general manager than the management supervisor have resulted in safety managers’ workload being increased due to the problem of management supervisors’ neglect of safety management. In this study, we conducted a survey of the safety manager’s duties and related documents during the construction project initiation, early stages, ongoing work, and disaster occurrence/investigation, and conducted interviews to improve and enhance the division of duties.
비대칭 6상 영구자석 동기 전동기 구동 시스템의 동기화 전류 제어 기법 연구
김한얼(Han-Eol Kim),이원석(Won-Seok Lee),안효진(Hyo-Jin An),황선환(Seon-Hwan Hwang),이기창(Ki-Chagn Lee) 한국조명·전기설비학회 2021 한국조명·전기설비학회 학술대회논문집 Vol.2021 No.11
This paper proposes data on current inequality that may occur when configuring a redundancy system for asymmetric 6-phase permanent magnet synchronous motors. When dual inverters are used for the stability of the system, current inequality may occur due to asynchronization of the current controller. Current characteristics were analyze when current inequality occurs under experimental conditions.
비정형 재난신고사례에서 나타난 119 상황요원의 의사결정 특징 분석
김한얼(Haneol Kim),정은주(Eunju Jeong),권규현(Gyu Hyun Kwon) 한국HCI학회 2017 한국HCI학회 학술대회 Vol.2017 No.2
본 연구에서는 재난신고 접수 상황요원의 업무 특징을 분석한다. 특히 신고전화 데이터 분석과 업무 프로토콜에서는 발견할 수 없는 실제 업무환경에서의 업무 특징을 도출하기 위해 정성적 인터뷰를 진행하여 상황요원의 의사결정 특징을 도출하였고, 상황요원의 업무 환경을 개선할 수 있는 시사점을 제공한다.
건설 IT 시스템 발전단계분석을 통한 변화관리 요인 기초 연구
김한얼 ( Kim Haneol ),이동헌 ( Lee Dongheon ),임형철 ( Lim Hyoungchul ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
This study analyzed the development stage and change management necessity of the construction IT system through existing research and literature review, and used WordCloud, one of the text mining techniques, to analyze current construction trends and major issues. The necessity of change management is derived by using existing research literature and construction-related social issues as analysis data.