환자정보 보호를 위한 의사들 전용 보안메신저 플랫폼

기동훈 한국IT서비스학회 2020 한국IT서비스학회 학술대회 논문집 Vol.2020 No.-

Morphological and Mechanical Properties of High Molecular Weight PLLA/PEO/PVAc Blends

기동훈,김광석,진인주,정지수 한국고분자학회 1998 한국고분자학회 학술대회 연구논문 초록집 Vol.1998 No.10

Characterizatin of PLLA/PEO blends with different compatibilizers

기동훈,진인주 한국고분자학회 2000 한국고분자학회 학술대회 연구논문 초록집 Vol.2000 No.10

응급실에 내원한 급성 신우신염 환자에서 장기 입원 기간 예측에 있어서델타뉴트로필의 유용성

기동훈,유제성,이종욱,이혜선,이진애,정성필,공태영,주영선,고동률 대한응급의학회 2017 대한응급의학회지 Vol.28 No.5

Purpose: The delta neutrophil index (DNI) corresponds to evaluated immature granulocyte counts and severity of sepsis. The aim of this study was to investigate the diagnostic value of DNI as a predictable laboratory marker for prolonged hospitalization in patients with acute pyelonephritis in the emergency department (ED). Methods: We retrospectively analyzed medical records in two EDs and screened eligible adult patients who were admitted to the ED with acute pyelonephritis from July 2012 to July 2014. The DNI was calculated for all patients as a part of routine complete blood analysis, and diagnostic performance of DNI for predicting prolonged hospitalization (over 14 days) in patients with acute pyelonephritis (APN) was evaluated. Results: A total of 308 patients with APN were enrolled in the study. Among them, 89 patients (29.9%) were hospitalized for more than 14 days. The initial DNI value was significantly higher in patients with more than 14 days of hospitalization than in those with less than 14 days of hospitalization (6% vs. 2%, p<0.001). The peak value of DNI was also significantly higher in patients discharged after 14 days of hospitalization than in those discharged before 14 days (8% vs. 2%, p<0.001). Multivariate Cox proportional hazard models showed that a DNI of more than 6.3 on ED admission day (hazard ratio [HR], 0.314; 95% confidence interval [CI], 0.191-0.515, p<0.001) and on peak day (HR, 0.37; 95% CI, 0.244-0.562, p=0.028) was an independent risk factor for hospitalization over 14 days. Conclusion: DNI is potentially useful as an independent factor for predicting hospitalization for more than 14 days.

공장 자동화를 위한 공구관리 시스템

기동훈(Dong Hoon KIM),김선호(Sun Ho KIM),이춘식(Choon Shik LEE) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10

At present, the manufacturing industry is in a process of great change of circumstances like meeting demands to involve a great variety of types and shorter product life and thus more flexible manufacturing. These changes cause the larger number of different tools and frequent tool changes, which lead to the considerable losses in productive time and the high amount of capital tied up in the tool area. In our country, for the most part, the individual tool are still being presetted according to a data sheet and the measured values are entered, output in a list manually or via punched tapes. This usually takes a considerable amount time and lead to a high error rate. This paper describes a computer controlled tool data management system combined with the bar code tool identification labeled on cutting tools.

질소, 메탄, 수소 혼합 가스를 이용하여 발생시킨 플라스마가 산화 그래핀의 환원에 미치는 영향

이성엽,김홍탁,기동훈,박정수,이형락 한국물리학회 2018 새물리 Vol.68 No.3

In this study, reduced-graphene-oxide (r-GO) thin films were fabricated using the plasma reduction method, and their physical properties were evaluated. The plasma was generated from a gas mixture of N$_2$, CH$_4$, and H$_2$ by using a radio-frequency (rf) power source (13.56 MHz). The GO films were treated in both the bulk plasma region ($R_b$) and the sheath region ($R_s$). When exposed to the plasma, the GO films were rapidly reduced, and their surfaces changed from hydrophilic to hydrophobic. Untill 5 min, the optical transmittances in both regions were over 85% for visible light and over 95% for infrared light. After 5 min, the optical transmittance of the r-GO film kept decreasing in the $R_b$ while its optical transmittance remained constant in the $R_s$. The sheet resistance of the r-GO film in the Rb continuously decreased while the sheet resistance increased in the $R_s$. These results originate from the differences between the $R_b$ and the $R_s$: chemical reactions were dominant in the $R_b$ whereas physical reactions were dominant in the $R_s$. 유리 기판 위에 스핀 코팅 공정으로 형성한 산화 그래핀 박막을 플라스마 환원법을 이용하여 상온에서 환원 처리하고, 박막의 특성 변화를 확인하였다. 플라스마는 N$_2$, CH$_4$, H$_2$ 혼합 가스를 이용하고, 라디오 주파수 (radio-frequency, rf) 전원 (13.56 MHz)을 인가하여 발생시켰다. 처리 영역은 플라스마 내부의 벌크 플라스마 영역 ($R_b$)과 플라스마와 전극 사이의 시스 영역 ($R_s$)으로 구분하였다. 두 영역에서 산화 그래핀 박막은 플라스마에 노출된 즉시 환원이 시작되어 소수성 표면 특성을 나타내며, 전도성이 나타나기 시작하였다. 두 영역 모두 처리 시간이 5분까지는 가시광선 85% 이상, 적외선 95% 이상의 광투과율을 보였으나, 5분 이후에는 $R_b$에서는 계속적으로 감소하는 반면에 $R_s$에서는 유지되었다. 또한 $R_b$에서는 면저항이 계속적으로 감소였으나, $R_s$에서는 계속적으로 증가하였다. 이러한 결과는 화학적 반응이 주를 이루는 $R_b$과 물리적 반응이 주를 이루는 $R_s$의 특성에서 기인한다.

응급의학과 전공의 총조사 자료를 이용한 전공의의 교육 요구도 분석

권태현,박경혜,기동훈,김인병,김호중,박송이,서범석,윤유상,이의선,이형민,조광현,최석재 대한응급의학회 2021 大韓應急醫學會誌 Vol.32 No.1

Objective: This study was conducted to identify the needs assessment for education and training of emergency medicine (EM) residents. Methods: The results of a national survey of EM residents of the Korean Society of Emergency Medicine in 2019 were used. Education was one of the five categories in the survey. The preferred learning methods and their perceived importance and ability to perform in nine competencies were assessed. The Borich’s needs assessment model was used to analyze their needs. Results: Among 591 EM residents, 382 responded, and 371 responses were finally analyzed. Regarding the learning methods, junior residents preferred in-hospital conferences, staff lectures, internet resources, and textbooks. Overall, medical knowledge and procedural skills were the most important, and research was less important to recognize. Medical knowledge showed the highest rank in the needs assessment in all years, and ethics and professionalism showed the lowest ranks. The needs for procedural skills were higher in junior years but lower in senior years. Conclusion: These results will form the basis for the design of training programs to meet the educational needs of EM residents for each grade. Furthermore, an analysis of the educational needs should be done periodically according to the changes and demands of the times.

2017년 전공의 수련 및 근무환경 실태조사

김민경,문우리,기동훈,이상형,조영대,남기훈,안치현 대한의사협회 의료정책연구소 2017 대한의사협회 의료정책연구소 연구보고서 Vol.- No.-

응급의학과 전문의 총조사 자료를 이용한 응급의학과 의사의 남녀 차이

배경수,박경혜,강지훈,기동훈,김인병,김홍재,박송이,서범석,여인환,윤유상,이미진,이의선,이형민,임대성,정우진,조광현,주영민,지창근,최석재,한재헌 대한응급의학회 2022 대한응급의학회지 Vol.33 No.4-1

Objective: In this study, we compared differences based on the gender of Korean emergency physicians to provide basic data for future emergency medicine development plans. Methods: We used data from the emergency physician survey (2020) conducted by the Korean Society of Emergency Medicine. A total of 1,303 emergency physicians responded to the survey. We adjusted demographic data relating to age, position, and work duration as an emergency physician, which could affect the differences based on gender. After propensity score matching, we compared working hours, work burden, income, motives for applying for emergency medicine, and future plans of the emergency physicians by sex. Results: The total working hours per month and night shifts per month were higher in men compared to the women. The women felt more pressure in the following areas: number of emergency patients, relationships with administrative agencies, insufficient emergency medical technician manpower, patients’ compliance, and relationships with other emergency physicians. Monthly income was higher in men. Women placed a higher value on ‘Acquiring a range of knowledge’ and ‘Degree of interest in working in the emergency room’ than men as motivation for applying for positions in emergency medicine. Regarding future plans, women placed less value on income and more on having enough free time and avoiding burnout. The retirement age was about 3 years lower for women than for men. Conclusion: This study revealed gender differences in working hours, income, motivation for applying for emergency medicine, work burden, and future plans. It is expected that these differences are caused by physical limitations and socio-cultural backgrounds. It is recommended that more detailed investigations be carried out through qualitative research. These results could help in gender considerations while hiring emergency physicians.

국내 응급의학과 전공의의 24시간 연속근무 및 빈번한 야간근무 현황

임재관,이형민,조광현,기동훈 대한응급의학회 2019 대한응급의학회지 Vol.30 No.6

Objective: The newly implemented Training Rule Standard limits the amount of resident working hours to serve the interests of the patients and residents alike. On the other hand, the law does not sufficiently protect emergency medicine residents from a long shift length and frequent night shift. Excessive shift work can cause physical and neuropsychological problems for residents. Therefore, this study examined the 24-hour shifts and night shifts status of emergency medicine residents at the training hospitals. Methods: The 30 training hospitals were divided into three groups according to the number of residents (≤4, 5-8, and ≥ 9) and the associations between each group and the 24-hour shifts, night shifts, number of working days, working hours, and annual patients per resident were checked. The associations between the resident grades and 24-hour shifts, night shifts, number of working days and working hours were also examined. Results: Hospital groups with fewer residents had the highest number of patients per resident with the highest number of 24-hour shifts and the highest number of night shifts. The first year residents had the highest number of 24-hour shifts, the highest number of night shifts, and the highest number of working hours. Conclusion: More 24-hour shifts and more night shifts occur at hospitals that lack work force. Therefore, there is a need for new standards for limiting the working hours and frequency of night shifts in emergency rooms, and there is a need for discussions on reinforcing the work force.