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병원인증제도가 리더십, 조직문화, 병원경영 활동 및 성과에 미친 영향
우정식 ( Jung Sik Woo ),김영훈 ( Young Hoon Kim ),윤병준 ( Byoung Jun Yoon ),이해종 ( Hae Jong Lee ),김한성 ( Han Sung Kim ),최영진 ( Young Jin Choi ),한휘종 ( Whie Jong Han ),윤서중 ( Seo Jung Yoon ) 한국병원경영학회 2013 병원경영학회지 Vol.18 No.2
The purpose of this study is to analyze the change of hospitals that patients safety and quality improvement by accreditation process and to examine the impact or interrelation of leadership, organizational culture, hospital management activities and recognition of hospital management performances. The data were collected through a review of the literature, and selfadministered survey with a structured questionnaires to 714 subjects from several medical staff members, administration staff members, nursing staff members, medical technicians and other staff members working in 23 accredited hospitals in Korea. In this analysis hierarchical multiple regression and structural equation model were used. The conclusion of this study provides a theoretical model for understanding organizational changes brought about by accreditation system. Factor on improvement of efficiency and raise the morale, rather than increase of medical income and reduce of the cost factors, had a stronger influence on the accreditation process. In the future, the hospital`s participation to induce the accreditation program voluntarily will come up with an alternative policy concern about financial perspective. Also, the hospitals which preparing accreditation program to achieve the goal efficiently, will make use of transformational leadership through enhancing individual consideration and intellectual development to leading members participation. Additionally, non-accredited hospitals should aim at professional culture by innovative and creative approaches, and inviting members to learning and growth in the organization.
산림휴양지 유형에 따른 피톤치드(모노테르펜) 농도 비교
이용기,우정식,최시림,신은상,Lee, Yong-Ki,Woo, Jung-Sik,Choi, Si-Rim,Shin, Eun-Sang 한국환경보건학회 2015 한국환경보건학회지 Vol.41 No.4
Objectives: This study was conducted to provide scientific and effective information on phytoncides, which are associated with forest healing, and to activate recreational forests. Methods: The target sites were natural recreation forests, a forest park and an arboretum, and the control sites were three urban parks. The samples were collected at a volume of 6.0 L and a flow rate of 0.1 L/min for one hour using a low volume pump and the solid adsorbent sampling method. The phytoncide compounds adsorbed in the Tenax TA tube were analyzed by a automatic heat desorption unit and GC-MS. Results: By type of recreational forest, the annual concentrations of phytoncide (monoterpene) for the forest park showed the highest concentration with $1.450{\mu}g/m^3$, while those for the arboretum showed the lowest concentration at $0.892{\mu}g/m^3$, and thus the concentration of the forest park was approximately 1.6 times higher than the arboretum. The season showing the highest concentration of phytoncides was summer (June) and the forest park was the highest among the recreational forests. The concentrations of major components for phytoncide showed in descending order: ${\alpha}-pinene$, ${\beta}-pinene$, camphene, 3-carene and limonene. The seasonal concentration of ${\alpha}-pinene$, camphene and ${\beta}-pinene$ by type of recreational forest increased in April, which is characterized by low temperature and humidity, and the seasonal concentration of camphene decreased with higher humidity. The meteorological factors which had the high correlation with the concentration of total terpene were temperature and humidity. $CO_2$ and $O_2$ showed an inverse correlation. Conclusion: The major components of phytoncide were ${\alpha}-pinene$, ${\beta}-pinene$, camphene, 3-carene and limonene in descending order of concentration. Further and systematic study on the chemical nature of individual phytoncides, and on the effect of phytoncides on humans needs to be performed.
평택지역 대기 중 먼지 입경별 잔류성유기오염물질 분포특성 연구
김동기(Dong-Gi Kim),우정식(Jung-Sik Woo),김용준(Yong-Jun Kim),정해은(Hye-Eun Jung),박주은(Ju-Eun Park),조덕희(Duck-Hee Cho),문희천(Hee-Chun Moon),오조교(Jo-Gyo Oh) 한국환경보건학회 2020 한국환경보건학회지 Vol.46 No.2
Objectives: The concentration distributions of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), dioxin-like polychlorinated biphenlys (dl-PCBs), and polycyclic aromatic hydrocarbons (PAHs) in fine particles were investigated to provide basic data on POP behavior and composition analysis. Methods: The concentrations of PCDD/Fs, dl-PCBs, and PAHs by particle size were evaluated for TSP, PM10, and PM2.5. Also, fine dust component analysis and factor analysis were performed to identify the source of PCDD/Fs. Results: The particle size distribution was found to account for 24.3% of >10 μm, 14.5% of 2.5-10 μm, and 61.2% of <2.5 μm. The average contributions of coarse particles (>2.5 μm) and fine particles (<2.5 μm) were PCDD/Fs 67%, dl-PCBs 66%, benzo (a) pyrene 83% and PAHs 84%, and the contributions of fine particles (<2.5 μm) were higher than coarse particles (>2.5 μm). However, the contributions of coarse particles increased in April to September with higher temperatures, while those of fine particles increased in February to March with lower temperatures. Conclusions: Low chlorinated (4Cl-5Cl) PCDD/Fs were more adsorbed compared to coarse particles due to the influence of pollutant migration from particulate to gas phase according to temperature rise, whereas high chlorinated (6Cl-8Cl) PCDD/Fs were more adsorbed compared to fine particles. PCDD/Fs sources were assessed to be major sources of emissions, such as incineration facilities and/or open burning.
시흥·안산 산단 및 영향지역의 휘발성유기화합물질(VOCs) 분포 특성
김동기(Dong-Gi Kim),우정식(Jung-Sik Woo),한현수(Hyun-Su Han),김용준(Yong-Jun Kim),김웅수(Woong-Soo Kim),홍순모(Soon-Mo Hong),김종수(Jong-Soo Kim),윤미혜(Mi-Hye Yoon) 한국환경보건학회 2020 한국환경보건학회지 Vol.46 No.3
Objectives: The concentrations and distribution characteristics of volatile organic compounds (VOCs) in an industrial complex and surrouding affected residential areas were investigated in an effort to support the efficient management of VOCs. Methods: The atmospheric concentrations of VOCs were analyzed at sites around the Sihwa-Banwol complex located in the cities of Siheung and Ansan and in the surrounding affected residential areas. The appearance of VOCs and the characteristics of their temporal and spatial distribution were evaluated. Results: The total VOC concentrations in the industrial complex were detected at 1.9-2.3 times higher than in the affected areas, but the daily VOCs distributions showed similar patterns in both sites. In particular, it was confirmed that the composition ratio of the VOCs and concentration fluctuations over time in the affected areas are similar to those in the adjacent industrial complex. VOC levels in the affected areas were higher than in residential areas in cities without an industrial complex. Conclusions: VOCs in residential areas near an industrial complex were highly distributed due to the influence of continuous pollutant emissions from the industrial complex. Therefore, the management of VOCs in the atmosphere of the affected area is important for identifying and managing the sources of VOCs detected in high concentrations in the industrial complex.
김한성(Han-sung Kim),우정식(Jung-sik Woo) 융복합지식학회 2022 융복합지식학회논문지 Vol.10 No.2
본 연구는 현대의학과 전통의학의 융합 ‧ 협력 노력이 활발하게 전개되는 가운데 우리나라에서 의 ‧ 한간 진료협력이 어떻게 수행되고 있는지 건강보험청구자료를 토대로 분석한 실증연구이다. 분석대상은 협진 서비스 이용환자 총 12,430명, 청구건수 45,591건을 중심으로 비협진 이용환자와 비교분석을 수행하였다. 분석결과 전체 협진 청구비중은 4.14% 수준으로 낮은 수준이지만, 의료기관 종류별로는 의원급이 22.71%로, 협진 대상질환(대분류)별로는 신경계질환이 7.3%로 협진진료비율이 가장 높았다. 또한 비협진군과 비교한 결과에서 여성보다는 남성이, 의료이용일수가 10일 미만에서 협진을 더 선호하는 것으로 분석되었다. 향후 의 ‧ 한 협진을 통한 치료 및 의료서비스 질 제고 차원의 성과 확인이 지속적으로 필요할 것으로 판단되며, 이는 ‘상호 융합 ‧ 상호 협력’ 패러다임으로의 전환에 중요한 근거가 될 수 있을 것이다. This study is an empirical study that analyzes how Western-Korean medical cooperation is being performed in Korea, based on health insurance requests data, while efforts for convergence and cooperation between western and traditional Korean medicine are being actively developed. A comparative analysis was performed with non-cooperative patients, focusing on a total of 12,430 patients using cooperative services. As a result of the analysis, the proportion of total consultation insurance requests was low at 4.14%, but by type of medical institution, the clinic level was 22.7%, and by disease (Large Classification of Diseases) subject to cooperative consultation, neurological disease was the highest at 7.3%. Also, in the results of comparison with the non-cooperative group, it was analyzed that males rather than females, and those who used medical services for less than 10 days preferred cooperative consultations. In the future, it will be necessary to continuously check the performance in terms of improving the quality of treatment and medical service through cooperation between Western-Korean medicine. This could be an important basis for the transition to the paradigm of ‘mutual convergence and mutual cooperation’.
회귀분석을 이용한 반월 공단배수의 생태독성 원인물질 조사
김요용 ( Yo Yong Kim ),우정식 ( Jung Sik Woo ),황선민 ( Sun Min Hwang ),김문정 ( Moon Jeong Kim ) 한국물환경학회 2012 한국물환경학회지 Vol.28 No.3
In this study, water quality and acute toxicity using Daphnia magna were analyzed to investigate the eco-toxicological substances identified as statistical analysis and propose a management plan for the effluent of Banwol industrial complex, Ansan, Gyeonggi-do. Cu, Zn, F, Mn concentrations in the effluent far exceeded the US standards to protect the aquatic ecosystem and eco-toxicity values were 5~22 TU. However, concentrations of heavy metals significantly decreased after Ansan public wastewater treatment plant operating a biological treatment and toxicity values were 0 TU. Zn, Cr, F and Cu in the effluent showed very strong and strong positive correlations with eco-toxicity values, respectively. Regression analysis resulted in an equation between toxicity and Zn, TU = 4.884×Zn (mg/L)-0.391 showing Zn concentration should be managed less than 0.285 mg/L to keep the eco-toxicity (TU) less than 1.
이상만(Sang-Man Lee),우정식(Jung-Sik Woo),이만섭(Man-Seop Lee) 한국레이저가공학회 2008 한국레이저가공학회 학술대회 논문집 Vol.2008 No.-
Alumina ceramic has beem micro-structured in air using a chirped-pulse-amplification Ti:sapphire laser. High quality of micro-machining of alumina with almost no melting layer and fine depostion layer of debrisis obtained. So we can fabricate micro-cuts which has small rougthness section with angle of 45~76˚ on groove wall. It was found that initial crystalline phase(α-Al₂O₃) is unaltered of subtrate and the debris produced consists of single crystal nanoparticle of α-Al₂O₃with diameters from 20nm to 10㎛.