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        • KCI등재후보

          Collatamp를 이용한 소아수술에서의 효용성

          유정우,서영진,이경섭,김기호 대한요로생식기감염학회 2015 Urogenital Tract Infection Vol.10 No.1

          Purpose: The purpose of this study is to evaluate efficacy of Collatamp (EUSA Pharma [Europe]; a gentamicin-containing collagen implant, GCCI) in pediatric urologic surgery. Materials and Methods: The study comprised a retrospective analysis of 35 consecutive children who underwent pediatric urologic surgery for treatment of hydrocele, undescended testis and varicocele between March 2013 and March 2015. Collatamp containing 130 mg gentamicin and 280 mg collagen were immersed in 300 ml normal saline for up to 6 hours. At set times after immersion the GCCI were removed, the saline diluted in normal human serum and the gentamicin content assayed by a validated immunoassay (Cedia, Microgenics Ltd., UK) to provide an estimate of the loss from each implant. Patients were classified according to two groups: patients with Collatamp (group A) and those without Collatamp (group B). Postoperative complication, operative time and age, etc. were assessed at postoperative 7 days.Results: Sixteen hydrocele, 16 undescended testis, and 3 varicocele patients were identified, with a median age of 87.43±54.10 months, operation time of 103.60±29.41 minutes, and hospitalization period of 3.20±0.68 days. Mean age, operation time, and hospitalization period in group A, B was 64.81±60.32 months, 100.80±46.80 months (p=0.02), 122.30±40.70 minutes, 103.61±29.39 minutes (p=0.17), and 3.20±0.40 days, 3.20±0.80 days (p=0.67), respectively. No statistically significant differences in postoperative complication were observed between the two groups. However, cost was higher in group A than in group B (300,000 won vs, 15,900.82±3,905.72 won).Conclusions: Collatamp may be useful and effective in preventing wound infection in pediatric urologic surgery, although Collatamp is more expensive.

        • KCI등재SCOPUS
        • KCI등재

          MBF-30을 사용한 Inconel-625/Ni-201 브레이징 접합부의 인장성질에 미치는 접합조건의 영향

          유정우,박상현,김창수,강정윤,Yu,,Jeong-Woo,Park,,Sang-Hyun,Kim,,Chang-Su,Kang,,Chung-Yun 대한용접접합학회 2012 대한용접·접합학회지 Vol.30 No.6

          This study was carried out to investigate the effect of bonding temperature and holding time on microstructure and mechanical properties in brazing joints of Ni-base superalloy using MBF-30 (Ni-4.5Si-3.2B [wt.%]). The heating rate was $20^{\circ}C$/min to the bonding temperatures $1050^{\circ}C$, $1070^{\circ}C$, $1090^{\circ}C$ under high vacuum condition. The holding times were 100s, 400s, 900s and 1600s. $Ni_3B$ phases and proeutectic Ni were observed in the interlayer of Ni-201. Then, Ni3B and Ni3Si were found in the middle region of brazing joint. Cr-boride phase appeared in the interlayer of Inconel-625. Tensile strength and elongation were decreased at $1050^{\circ}C$-1600s, $1070^{\circ}C$-900s and $1090^{\circ}C$-400s. After observation the fracture specimens, There was Ni3B which is very brittle phase in the grain boundary of Ni201.

        • KCI등재

          민영교도소 평가와 제도적 개선방안에 관한 연구

          유정우,유영재 한국공안행정학회 2016 한국공안행정학회보 Vol.25 No.1

          Korea's first private prison, Somang Correctional Institution opened on December 1, 2010. As it was the case that the field of correction as one of the national core authority was entrusted to the private, the public interest has focused until now. Operating performance over the past six years was positively evaluated and the Ministry of Justice renewed the contract for 20 years with Agape last February 5, 2015. Somang Correctional Institution currently reach a turning point to improve their weaknesses in order to make a growth and development as a personality-education-specialized private prison. It's also time for the Ministry of Justice to review the privatization policy that the private prison system on the ballast continue desired result. Accordingly, this study made some suggestions so that a private prison can be properly established hereinafter through the analysis of structural contradiction and operational problems of the private prison system, which have been exposed through actual operational experience in Somang Correctional Institution for the past five years. First, there's the necessity of having to relax the regulations related to Somang Correctional Institution, and to guarantee the status as a correctional institution. Second, it's necessary to establish the complementary cooperative relations between correct between the Korea Correctional Service and a private prison correct. Third, it's necessary to get a private prison settled as an education- specialized correctional institution by intensifying an intensive personality education which could be called a private prison's own specialization. Fourth, it's necessary to let a private prison get approval from a superintendent in relation to protective gear, use of weapons, restriction on a right, inmate treatment, and conditional release business, etc., which fall under authority-based business, and to secure autonomy for private prison officers so that they can perform jobs without special regulations with regard to the business like general affairs, accounting, maintenance, vocational training, education and classification review, etc. which fall under non-authority-based business. Fifth, at present, the Classification & Examination Division of the Korea Correctional Service is taking charge of the business generalization of a private prison. However, actual business is broken up into each division, and the window for related business is not unified, causing necessary administrative measures to be unnecessarily delayed. To solve it, there is the need to inquire into the plan to utilize subject assignments for correctional officers. Sixth, Article 32 of the Private Prison Act prescribes the support officer system. It's worthwhile to make use of the method of getting a similar effect by unifying the communication window for the business of the Ministry of Justice through a support officer dispatched to a private prison by easing off & expanding requirements in a consignment agreement. Lastly, it's important to rationalize the calculation standard of working expenses. A correctional corporation has to pay taxes and the public utilities' charge, such as property tax, etc. It's because there is no virtual method of covering necessary expenses for managing corporation but contributions. Therefore, there is the necessity of examining the revision of a contract, through which financial compensation equivalent to profits is included into profits by reflecting such an aspect. 국내 최초의 민영교도소인 소망교도소가 2010년 12월 1일 개소하였다. 국가권력의 핵심인 교정분야가 민간에 위탁되는 사례였기 때문에 개소초반부터 현재까지 많은 관심이 집중되고 있다. 법무부는 6년간의 소망교도소 운영성과를 긍정적으로 평가하고, 지난 2015년 2월 5일 (재)아가페와의 교정업무 위탁계약 기간을 20년 갱신하였다. 현재 소망교도소는 인성교육 특화형 민영교도소로서 성장발전 해 나가기 위해 지금까지 드러난 운영상 취약점들을 개선해 나가야 할 전환점에 서 있다. 또한 법무부로서도 안착기에 접어들고 있는 민영교도소 제도가 향후 지속적으로 성과를 거둘 수 있도록 그간의 민영화 정책을 생산적으로 재검토 해 볼 시점에 있다. 따라서 이 연구에서는 지난 5년간의 소망교도소 실제 운영경험을 통해 드러난 민영교도소 제도의 구조적 모순과 운영상 문제점을 분석하여, 향후 민영교도소가 올바르게 정착될 수 있도록 몇 가지 제언을 하였다. 첫째, 소망교도소 관련 규제를 완화하고 교정기관으로서의 지위가 보장될 필요가 있다. 둘째, 교정본부와 민영교도소간 상호보완적 협력관계 정립될 필요가 있다. 셋째, 민영교도소만의 특성화라 할 수 있는 집중인성교육을 강화시켜 교육특성화 교정기관으로 자리매김 시켜야한다. 넷째, 권력적 업무에 해당하는 보호장비, 무기사용, 권리제한, 수형자 처우, 가석방 업무 등은 감독관의 승인을 받도록 하고, 비권력적 업무에 해당하는 서무, 경리, 유지관리, 직업훈련, 교육, 분류심사 등의 업무는 민영교도소 직원에 의해 특별한 규제 없이 업무 수행할 수 있도록 자율성을 확보해줄 필요가 있다. 다섯째, 현재 민영교도소 업무 총괄은 교정본부 분류심사과에서 맡고 있다. 그러나 실제 업무는 각 부서에 분산되어 있고 관련 업무 창구가 일원화되어 있지 않아 필요한 행정조치가 불필요하게 지연되는 경우가 일어난다. 이를 해결하기 위해 교정공무원 교과제를 활용하는 방안을 모색해 볼 필요가 있다. 여섯째, 「민영교도소 등의 설치ㆍ운영에 관한 법률」 제32조는 지원관 제도를 규정하고 있다. 위탁계약서상 요건을 완화ㆍ확대하여 민영교도소에 파견되는 지원관을 통해 법무부 업무 소통창구를 일원화하여 유사한 효과를 거두는 방법도 활용해 볼 만하다. 마지막으로, 사업비 산출기준을 합리화하는 것이다. 교정법인은 재산세 등 제세공과금을 납부하여야 하며 법인의 운영에 필요한 경비를 기부금 이외의 방법으로 충당할 방법이 사실상 없기 때문이다. 이를 반영하여 이익금에 상당하는 재정적 보상을 계약서에 포함시키는 계약서 개정이 검토될 필요가 있다.

        • KCI등재

          Evaluation of pneumonia management effectiveness associated with internal medicine management changes in the emergency department: a retrospective cohort study using a historically controlled group

          유정우,유승,정원준,조용철,안홍준,조성욱,오세광,박정수,유연호 대한응급의학회 2020 大韓應急醫學會誌 Vol.31 No.2

          Objective: In Korea, many hospitals have recently changed the process of internal medicine management in the emergency department (ED) because of reduced manpower, raising concerns regarding the decreased quality of medical care. The process of medical management in the ED was streamlined to resolve the reduced manpower. Thus, this study compared the pneumonia treatment effectiveness before and after the process changes. Methods: This study included patients who were diagnosed with pneumonia in the ED and hospitalized from January 2014 to December 2016. They were divided into two groups based on before and after the changes. The disease severity, management adequacy, and prognosis were compared using the initial quick sequential organ failure assessment score (qSOFA), systemic inflammatory response syndrome criteria (SIRS), CURB-65 score, door-to-antibiotic time (DAT), length of stay (LOS), hospitalization period (HP), and in-hospital mortality, were collected retrospectively from the medical records. Results: The qSOFA, SIRS, and CURB-65 scores did not differ between the two groups. The median (interquartile range) DAT, LOS, and HP were reduced after the process changes: DAT (160.0 minutes [111.0-230.0] vs. 120.0 minutes [74.0-175.0], P<0.001), LOS (7.6 hours [4.8-15.8] vs. 4.7 hours [3.2-6.8], P<0.001), and HP (9.0 days [6.0-16.0] vs. 8.0 days [5.0-15.0], P=0.011). On the other hand, the in-hospital mortality was similar in the two groups (14.1% vs. 11.2%, P=0.162). Conclusion: The DAT, LOS, and HP decreased after the process changes, but the in-hospital mortality did not worsen. This shows that pneumonia management in the ED was not compromised, but rather improved, after the changes.

        • 제프 벡의 멜로디 연주기법 연구

          유정우 대중음악콘텐츠학회 2017 대중음악콘텐츠 Vol.1 No.1

          전기 기타의 연주기법은 많은 선구적 기타 연주자들에 의해 개발되어왔다. 그들 중 제프 벡은 전기 기타에 설치되어 있는 아밍 시스템과 볼륨 노브를 사용해 연주기법을 개발하였고, 이는 전 기 기타가 찰현 악기와 관악기의 표현기법을 일부 재현할 수 있게 했다. 이러한 제프 벡의 연주 기법은 연주곡에서도 나타나지만 보컬 곡을 기타 연주곡으로 편곡한 곡에서 집중적으로 나타나 는데 이는 제프 벡의 연주기법이 보컬의 표현기법을 재현하는 데에도 적합하기 때문이다. 이에 따라 제프 벡이 보컬 곡을 기타 연주곡으로 편곡한 곡에 사용한 연주기법을 분석하고 논한다. Various playing skills of electric guitar has been found by many former players. Jeff Beck, who has been one of them, found a new skill using Arming system and Volume knob on an electric guitar, and it allows electric guitar to play some expressive skills of rubbed string and wind instruments. It is also shown that Jeff Beck's playing skill as above is not only shown in tune but especially in an arrangement of vocal song into guitar tune. It is because his skill is also suitable for playing vocal's expressive skill. Therefore, this study discusses about Jeff Beck's playing skill used in the arrangement of vocal song into guitar tune.

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