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신생아에서 급성 복증으로 발현된 Meckel 게실 1예
임재영,장선화,조재민,고경혁,박은실,서지현,박찬후,우향옥,윤희상,Lim, Jae Young,Jang, Sun Hwa,Cho, Jae Min,Ko, Gyung Hyuck,Park, Eun Sil,Seo, Ji Hyun,Park, Chan Hoo,Woo, Hyang Ok,Youn, Hee Shang 대한소아소화기영양학회 2005 Pediatric gastroenterology, hepatology & nutrition Vol.8 No.2
출생 후 건강하게 지내던 중 생후 9일째 급성 복증 및 장 폐쇄의 증상으로 내원한 남아에서 시험적 개복술 시행하여, Meckel 게실 천공과 장 유착을 발견하고 수술적으로 제거한 후 회복된 증례이다. 병리 소견상 경한 게실 염과 정상 장 점막 소견을 보여 자발적 Meckel 게실 천공이라고 추정 되는 증례이다. 신생아시기에 자발적 Meckel 게실 천공은 매우 드물지만 심각한 질환이다. 따라서 신생아 시기에 급성 복증 증상을 보일 때 반드시 감별 진단 목록에 Meckel 게실을 포함시켜야만 한다. Meckel's diverticulum is generally acknowledged to be the most prevalent congenital anomaly of the gastrointestinal tract. The preoperative diagnosis of Meckel's diverticulum is difficult, especially in neonates, because of the lesions ability to masquerade as one of a variety of much more common abdominal pathologies. Recently we experienced a case of perforated Meckel's diverticulum with mild inflammatory reaction, intestinal adhesion, and small bowel obstruction in a previous healthy 9-day-old neonate. The spontaneous perforation of Meckel's diverticulum in neonate is very rare but serious entity. The course was rapid and progressed to sepsis. So despite its varied presentation, Meckel's diverticulum should be kept in mind as a cause of acute abdomen in neonates.
프로 스포츠 및 일반제품/서비스에 대한 고객충성도 연구
장경,민재영 한국산업경영시스템학회 2002 한국산업경영시스템학회지 Vol.25 No.3
This paper is mainly interested in customer‘s(fan's) royalty to professional sports in sports industry. The royalty is studied with the royalty to several products and a service, so that we can obtain the comparison between both the former and the latter royalty. Interested professional sports, products and service are baseball, basketball, soccer, beer, car, cola/cider, etc, and we will call each of them 'item'. The seven related hypotheses are considered. In hypotheses the dependent variable is royalty to nine items, and the independent variables are nine items, and customer's sex and major. For testing hypotheses, a questionaire is used, and reliability is checked with Cronbach's Alpha and correlation coefficients. For some items the royalty is significantly strong. Rather, even if some item has bad quality, it is found that customers can be royal to that item. We can identify some of those items through the results of this study. The strong significant results will be useful for the customer management. Additional studies are required for nonsignificant results which seems to be useful, and they are noted in the final part of the paper.
장선화,김재희,염정숙,박은실,서지현,임재영,박찬후,윤희상,우향옥 대한소아청소년과학회 2008 Clinical and Experimental Pediatrics (CEP) Vol.51 No.8
Purpose:The objective of this study was to ascertain the incidence of congenital heart disease in the western part of Gyeongnam Province in Korea. Methods:We enrolled 849 children (M:F=390:459) who were diagnosed with congenital heart disease (CHD) and received echocardiography during January 1997 to December 2005 in Gyeongsang National University Hospital. The subjects were limited to patients born from 1997 to 2004. The CHDs were classified into acyanotic types and cyanotic type. Further, acyanotic type CHDs were divided into shunt type and valvular types. Results:Numbers of initially diagnosed patients from 1997 to 2004 were as follows: 113, 128, 116, 104, 129, 97, 84, and 78. The median age of initially diagnosed CHD patients was 1 month in the acyanotic type and 0.5 months in cyanotic type. Also, an annual frequency among CHD types and gender ratio were no significant difference in every year. Incidences of CHD from 2000 to 2004 in the western part of Gyeongnam Province were 8.9, 12.7, 10.9, 10.0, and 9.7 per 1,000 live births, respectively. Conclusion:From 1997 to 2001, 100-130, and from 2002 to 2004, less than 100 patients were diagnosed with CHD. This showed a decrease in the numbers of CHD patients in the last three years. However, the Incidence of CHD was 0.89- 1.24% during the last five years. Therefore, the decrease in the annual frequency of CHD was due to the recent decline in birth rate in Korea. (Korean J Pediatr 2008;51:848-855) Purpose:The objective of this study was to ascertain the incidence of congenital heart disease in the western part of Gyeongnam Province in Korea. Methods:We enrolled 849 children (M:F=390:459) who were diagnosed with congenital heart disease (CHD) and received echocardiography during January 1997 to December 2005 in Gyeongsang National University Hospital. The subjects were limited to patients born from 1997 to 2004. The CHDs were classified into acyanotic types and cyanotic type. Further, acyanotic type CHDs were divided into shunt type and valvular types. Results:Numbers of initially diagnosed patients from 1997 to 2004 were as follows: 113, 128, 116, 104, 129, 97, 84, and 78. The median age of initially diagnosed CHD patients was 1 month in the acyanotic type and 0.5 months in cyanotic type. Also, an annual frequency among CHD types and gender ratio were no significant difference in every year. Incidences of CHD from 2000 to 2004 in the western part of Gyeongnam Province were 8.9, 12.7, 10.9, 10.0, and 9.7 per 1,000 live births, respectively. Conclusion:From 1997 to 2001, 100-130, and from 2002 to 2004, less than 100 patients were diagnosed with CHD. This showed a decrease in the numbers of CHD patients in the last three years. However, the Incidence of CHD was 0.89- 1.24% during the last five years. Therefore, the decrease in the annual frequency of CHD was due to the recent decline in birth rate in Korea. (Korean J Pediatr 2008;51:848-855)
프로야구 팬 특성과 소속 기업 팀 및 기업제품에 대한 지지도 연구
장경,민재영 한국산업경영시스템학회 2002 한국산업경영시스템학회지 Vol.25 No.5
We studied the relations between variables related to fan''s preference in a area of pro-baseball which is the most popular one among pro-sports. The dependent variables are pro-baseball team fan‘s preference to both the team and the products of the company which has a pro-baseball team, while the independent variables are sex, age, and hometown of fans. Eight hypotheses are constructed with those variables. For testing them a questionnaire was used, whose reliability was checked using Kronbach Alpha. Subjects were 314 college students in a local city. For statistical anaysis nonparametric tests like Mann Whitney test, Kruskal-Wallis test, etc were used. Useful and significant results among variables were obtained. Since these results have important implications about management of pro-sports teams and fans and fans preference to products in a view of sports marketing management, more researches should be done continuously in the future in this area.
장경(Kyung Chang),민재영(Jae-Young Min),고현민(Hyun-min Ko) 한국산업경영시스템학회 2003 한국산업경영시스템학회지 Vol.26 No.4
이 논문에서 우리는 어떤 종류의 사람이 프로야구팀을 가진 기업에 충성하며, 프로팀에 충성하는 지를 연구했다. 충성심은 몇 개의 변수로 측정이 되며, 몇 개의 변수들은 또 그 하위변수로 측정이 된다. 종속변수는 충성심, 독립변수는 고객의 연령, 성별, 고향이다. 우리는 기존 연구를 보다 심화하여, 독립변수의 2차원적 효과를 연구했다. 그 사용하는 방법은 분산분석 등이며, 여섯 가지 유의적인 결과를 발견했다. 그 결과 우리는 충성스런 고객과 그렇지 않은 고객을 확인했으며, 보다 더 세분화된 고객 분석으로부터 보다 효율적인 고객경영이 가능하게 될 수 있다는 점이 이 연구의 잇점이라고 할 수 있다.
김철희,장임석,김정수,Fan Meng,Mizuo Kajino,Hiromasa Ueda,Yuanhang Zhang,손혜영,Youjiang He,Jun Xu,Keiichi Sato,송창근,반수진,Tatsuya Sakurai,Zhiwei Han,Lei Duan,이석조,심상규,영선우,이태영 한국기상학회 2011 Asia-Pacific Journal of Atmospheric Sciences Vol.47 No.4
Three comprehensive acid deposition models were used to simulate the sulfur concentrations over northeast Asia over the period covering entire year of 2002, and discussed the aggregated uncertainties and discrepancies of the three models. The participating models are from the countries participating in the project of Longrange Transboundary Air Pollutants in Northeast Asia (LTP): China,Japan and Korea. The Eulerian Model-3/CMAQ (by China), Regional Air Quality Model (RAQM, by Japan), and Comprehensive Acid Deposition Model (CADM, by Korea) were employed by each country with common emissions data established by the administrative agencies of China, Japan and Korea. The episodic simulation results between 1 to 15, March 2002 are also presented, during which aircraft measurements were carried out over the Yellow sea. The episodic results show both a wide short-term variability in simulations against measurements, and maximum concentration differences of 3~5 times among the three models, requiring that further attention before confidence among the three models can be claimed for short-term simulations. However, the year-long cumulative simulations showed almost the same general features, with lower aggregated uncertainties between the three models, produced by the long term integration over northeast Asia.
김한석,안국영,이상민,장병록,Kim, Han-Seok,An, Guk-Yeong,Lee, Sang-Min,Jang, Byeong-Rok 한국기계연구원 2004 硏究論文集 Vol.34 No.-
An Experimental study on the characteristics of high pressure gas quenching system was carried out in the present study. The characteristics of gas quenching system have been studied with high pressure gas chamber and specimen for various gas pressure and velocity which are the design parameter of quenching system. The quenching gas was used compressed air which properties are very similar with Nitrogen gas usually used in industrial gas quenching system. The result shows that the quenching rate of mid surface of specimen is lower than each ends of them which are close to low temperature quenching surface. And to increases the quenching intensity, the increment of quenching gas pressure is more efficient than the increment of quenching gas velocity at the point of reducing the circulation fan power.
이규범,임재영,김완호,장순자,김병식,허안나,고영미 대한재활의학회 2004 Annals of Rehabilitation Medicine Vol.28 No.2
Objective: To survey the utilization status of public health and medical rehabilitation services by the persons with disabilities in community. Method: The subjects were 118 patients who were admitted to National Rehabilitation Center from January 1998 to December 2001 and agreed with home-visit. The subjects were assessed of disability level with functional scales, utilization rate of public health and medical rehabilitation services, utilization facilities, and service contents. Results: The subjects included 78 pesons with stroke, 20 persons with spinal cord injury, 9 pesons with traumatic brain injury, and 11 persons with other diseases. Only 28.0% of the low-functional group used public health and medical rehabilitation services, showing a low utilization rate than the high-functional group (43.2%). 17 out of 24 persons who used rehabilitation clinics were in the low-functional group and 9 out of 13 persons who used welfare agency were in the high-functional group (p=0.012). In two groups, most frequent utilization out of the service contents was the exercise therapy. Conclusion: The utilization rate of public health and medical rehabilitation services in communities was 32.8%. It is necessary to supply the persons with disabilities in community with the rehabilitation service for the continuum of rehabilitation.
욕창 예방 및 치유를 위한 의료용 로봇 침대 제어 시스템
이영대,김창영,장창준,김정애,임재영 국제문화기술진흥원 2020 The Journal of the Convergence on Culture Technolo Vol.6 No.3
In this study, the controller structure and control algorithm of medical robot bed developed for pressure ulcer prevention and healing are described. The existing pressure ulcer prevention mattress is operated manually and the remaining maximum body pressure exceeds the pressure of ulcer generation, so there is always room for pressure ulcers. However, the system developed in this study does not generate the pressure ulcers because the body pressure drops to zero when the keyboard of the bed descends using the active electric driving keyboard. In addition, even if the bed is raised and the pressure above the critical body ulcer pressure is abnormal, the device and the control algorithm are designed so that the lasting time is within the pressure ulcer generation critical time and the pressure ulcer itself is not generated. The bed key board motor is a motor designed with the BLDC servos suitable for medical use and these can communicate each other easily through CAN(Car Area Network). The system is new medical robot bed that is effective in preventing pressure ulcers and will be distributed to many patients suffering from pressure ulcers. 본 연구에서는 욕창 예방과 치유를 위해 개발된 의료용 로봇 침대의 제어기 구조와 제어 알고리즘에 대해 기술한다. 상용의 기존 욕창 예방 매트리스는 수동으로 동작하고 잔존 최대 체압이 욕창 발생 임계 체압을 넘어서기 때문에 이론적으로는 항상 욕창이 발생할 여지가 있지만, 본 연구에 개발된 시스템은 능동형 전기구동 건반을 사용하여 침대의 건반이 하강하면 체압이 0으로 떨어져서 욕창이 발생하지 않는다. 또한, 침대의 건반이 상승하여 욕창 임계 체압 이상이더라도 지속시간을 욕창 발생 임계시간 이내로 하도록 기구와 제어 알고리즘이 설계되어 있어서 욕창 발생 자체가 일어나지 않으며, 이는 바로 상용화가 가능한 욕창 예방 로봇 침대임을 뜻한다. 침대 건반의 모터는 의료용으로 적합한 BLDC 서보 드라이버를 설계한 모터로 되어있고 전장이 단순하여 쉽게 사용할 수 있도록 설계되었으며, CAN(Car Area Network)방식으로 서로 통신한다. 제작된 시스템은 욕창 예방에 효과적인 새로운 의료용 로봇 침대로 욕창으로 고통받는 많은 환자들에게 제공될 수 있도록 보급할 예정이다.