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윤승배,양승혁,박현순,Yoon, Seung-Bae,Yang, Seung Hyuk,Park, Hyunsoon 한국디지털정책학회 2021 디지털융복합연구 Vol.19 No.10
목적: 이러닝 활성화를 위해 여러 방식의 LMS와 접목하여 연동 가능한 최적의 에듀테크 교수학습 플랫폼 모형을 설계한 연구이다. 방법: 이를 위해 사이버대학교와 일반대학교의 4차 산업기술에서 활용 가능한 이러닝 시스템을 횡단적으로 내용분석 하였다. 결과: 사이버대학교에서는 전적으로 LMS에 의존하였고, 일반대학교에서는 LMS 이외에도 구글 클래스룸, 줌 비디오 커뮤니케이션, 유튜브 등 교수별 각기 다른 에듀테크 방법을 보완 활용하고 있어, LMS에 구글 및 유튜브 등 메타데이터를 공유할 수 있도록 최소한의 알고리즘 매핑을 제공하는 것이 에듀테크 교수학습 플랫폼 모형에 유의미할 것으로 보았다. 이에 본 연구는 LMS 기반 에듀테크 교수학습 플랫폼 모형을 통해 교수법 향상과 학업성취도 향상에 기여할 것으로 사료된다. Purpose: This is a study to design an optimal Edutech teaching-learning platform model that can be linked with various types of LMS to activate e-learning. Methods: For this purpose, the contents of e-learning systems that can be used in the 4th industrial technology of cyber universities and general universities were cross-sectionally analyzed. Results: Cyber universities relied entirely on LMS, and general universities supplemented and utilized different Edutech methods for each professor such as Google Classroom, Zoom video communication, and YouTube in addition to LMS. It was considered that it would be meaningful to provide a minimal algorithm mapping to LMS to share metadata such as Google and YouTube for the Edutech teaching and learning platform model. Conclusion: Therefore, this study is expected to contribute to the improvement of teaching methods and academic achievement through the LMS-based Edutech teaching and learning platform model.
윤승배,고성우,Seung Bae Yoon,Sung Woo Ko 대한소화기암연구학회 2023 Journal of digestive cancer reports Vol.11 No.1
Despite recent advancements in the diagnosis and treatment of pancreatic cancer, clinical results remain dismal. Furthermore, there are no reliable biomarkers or alternatives beyond carbohydrate antigen 19-9. Circulating tumor cells (CTCs) may be a potential biomarker, but their therapeutic application is constrained by their rarity in peripheral venous blood. Theoretically, the portal vein can be a more appropriate location for the detection of CTCs, because the first venous drainage of pancreatic cancer is portal circulation. According to several studies, the number and detection rate of CTCs may be higher in the portal blood than in the peripheral blood. CTC counts in the portal blood are strongly correlated with several prognostic parameters such as hepatic metastasis, recurrence after surgery, and survival. The phenotypic and genotypic properties analyzed in the captured portal CTCs can assist us to comprehend tumor heterogeneity and predicting the prognosis of pancreatic cancer. The investigations to date are limited by small sample sizes and varied CTC detection techniques. Therefore, a large number of prospective studies are required to confirm portal CTCs as a valid biomarker in pancreatic cancer.
증례 : 호흡기 ; Folliculin 유전자 변이로 진단된 Birt-Hogg-Dube 증후군 1예
윤승배 ( Seung Bae Yoon ),박찬권 ( Chan Kwon Park ),강민규 ( Min Kyu Kang ),이석종 ( Seok Jong Lee ),한대희 ( Dae Hee Han ),기창석 ( Chang-seok Ki ),김영균 ( Young Kyoon Kim ) 대한내과학회 2011 대한내과학회지 Vol.81 No.1
저자 등은 폐렴으로 치료받은 65세 여자 환자에서 흡연력이 전혀 없음에도 자발성 기흉 기왕력과 양측성 다발성 폐낭종 소견이 관찰되어 BHD 증후군을 의심하였고 folliculin 유전자 변이 검사를 통하여 이를 확인하였다. 특징적인 피부병변 없이도 BHD 증후군의 발생 가능성이 있으므로 폐질환이 임상적으로 이 질환에 합당한 경우에는 folliculin 유전자변이 검사를 고려해 보아야 할 것으로 생각한다. Birt-Hogg-Dube (BHD) syndrome is a rare, autosomal-dominant disorder that is caused by germ-line mutations in the folliculin gene. Clinically, BHD syndrome is characterized by cutaneous follicle tumors, pulmonary cysts, spontaneous pneumothorax, and an increased risk of renal cancer. A 65-year-old woman was admitted to Seoul St. Mary`s Hospital to treat pneumonia, and we found that she had experienced recurrent spontaneous pneumothorax and had bilateral multiple pulmonary cysts with no history of smoking. Mutation analysis of the folliculin gene identified a novel mutation in exon 9 (c.997_998delTC; p.Ser333ArgfsX56). Except for the lung manifestation, no other features of BHD syndrome were detected in this case. Here, we report a case of BHD syndrome that manifested only as lung disease with a novel mutation. (Korean J Med 2011;81:102-106)
내시경역행담췌관조영술의 경향 및 특징: 한국의 전국 데이터베이스 연구
윤승배 ( Seung Bae Yoon ),김정미 ( Jungmee Kim ),백창렬 ( Chang Nyol Paik ),이준규 ( Jun Kyu Lee ),장동기 ( Dong Kee Jang ),윤원재 ( Won Jae Yoon ),김정욱 ( Jung-Wook Kim ),손병관 ( Byoung Kwan Son ),이태희 ( Tae Hee Lee ),장재영 대한췌장담도학회 2021 대한췌담도학회지 Vol.26 No.3
배경/목적: 내시경역행담췌관조영술(endoscopic retrograde cholangiopancreatography, ERCP)은 췌장담도 질환의 진단 및 치료에 효과적인 시술법으로 알려져 있다. 한국에서는 40년 이상 ERCP 시술에 대한 범국가적 데이터가 축적되어 있으나 시술에 대한 경향과 특성에 정보는 미미하다. 본고는 ERCP 건수 및 현황에 대한 전국 데이터를 조사하였다. 방 법 : 2012년부터 2015년 사이에 ERCP와 관련된 국민건강보험심사평가원 청구 데이터를 분석하였다. ERCP 시술건수와 시술과 관련된 특성, 시술을 시행 받은 환자의 건수 및 인구역동학적 특징 등을 조사하였다. 결과: 조사에 해당하는 기간에 158,038건의 ERCP 시술이 114,757명의 환자에게 시행되었다. ERCP 전체 수는 매년 증가하였으며, 특히 치료 ERCP의 비율이 증가 추세를 보였다. 시술의 약 2/3 (63.3%)가 종합병원 이상의 규모 큰 기관에서 시행되었다. 2015년에는 시술은 받은 80세 이상의 고령 환자비율이 2011년 14.3%에서 2015년은 17.2%로 증가하였다. 결론: 한국에서 매년 시행되는 ERCP의 시술 건수는 증가 추세에 있다. 특히 치료 목적 또는 고령 환자의 시술이 뚜렷한 증가 추세를 보여 시술과 관련된 환자의 안전에 더 많은 주의가 요구된다. Background/Aim: Endoscopic retrograde choangiopancreatography (ERCP) has been established as an effective tool for the diagnosis and treatment of pancreatobiliary diseases. However, after the evolution for more than 4 decades, nationwide data on current trends and characteristic is not well known. Therefore, we conducted an analysis of nationwide database to determine the number and status of ERCP performed in Korea. Methods: We used the nationwide claims database, Korean Health Insurance Review and Assessment between 2012 and 2015. We investigated the frequencies and characteristics of ERCP procedure performed as well as demographics of the patients. Results: A total of 158,038 ERCP procedures were performed in 114,757 patients during study period. The number of total ERCPs increased every year, and especially the rate of therapeutic ERCPs is on the increased trend. About two-thirds of ERCPs (63.3%) were performed in high-scaled hospitals. In 2015, the proportion of elderly patients over 80 years old increased compared to that in 2011, from 14.3% to 17.2%. Conclusions: The annual number of ERCPs performed is increasing in Korea. With increasing ERCP for therapeutic purposes or for older patients, more attention should be paid to safety for patients. Korean J Pancreas Biliary Tract 2021;26(3):186-194
윤승배 ( Seung Bae Yoon ),장재혁 ( Jae Hyuck Chang ),이인석 ( In Seok Lee ) 대한소화기학회 2018 대한소화기학회지 Vol.72 No.3
Pancreatic Fluid Collection (PFC) develops as a result of acute pancreatitis, chronic pancreatitis, trauma, and postoperation. Although percutaneous drainage, surgery and Endoscopic Retrograde Panceatogram are used as conventional treatments in complicated PFC, the clinical course of PFC is unsatisfactory due to its clinical success rate and the risk of procedure-related complications. Endoscopic ultrasonography-guided transmural drainage of PFC is a safe and effective modality for the management of PFC, particularly in patients with pancreas necrosis. A range of techniques and stents have been introduced and a newly designed metal stent is now available. (Korean J Gastroenterol 2018;72:97-103)
염주옥 ( Ju Ok Yeom ),윤승배 ( Seung Bae Yoon ),김재경 ( Jae Gyung Kim ),오정환 ( Jung Hwan Oh ),전은정 ( Eun Jung Jeon ),정정조 ( Jeong Jo Jeong ),최상욱 ( Sang Wook Choi ),이성 ( Seong Lee ) 대한소화기학회 2009 대한소화기학회지 Vol.53 No.6
Hepatocellular calcinoma (HCC) is the fifth most common cancer and the third leading cause of cancer-related deaths worldwide. It is important to diagnose HCC exactly before management is attempted. But, the clinical presentations and radiologic findings of liver abscess, HCC, and metastatic tumor to the liver may be quite similar, and procedures such as serum tumor marker assay, computerized tomography, and ultrasonography of the liver cannot make a specific diagnosis. We report a case of HCC successfully diagnosed by surgery which was misconceived as liver abscess and not improved by medical treatment. (Korean J Gastroenterol 2009;53:378-382)
대형 조선소 타 장치 설계 프로세서 비교 및 분석에 의한 표준 타 장치 설계 프로세서 제안
김상현,김현준,전희철,윤승배,Kim, Sang-Hyun,Kim, Hyun-Jun,Jun, Hee-Chul,Yoon, Seung-Bae 대한조선학회 2010 大韓造船學會 論文集 Vol.47 No.1
Recently, a very large vessel's maneuvering performance, rudder performance and rudder design's importance is considered to be an important subject. There have been few studies on the design process of rudder device before. The aim of this paper is to investigate a design process of rudder device and to propose a generalized design process of rudder device. Firstly, we investigated the rudder device design process of Korean major shipyards. And the differences of a torque calculation method, rudder section design, maneuvering performance examination method, etc were analyzed theoretically. Secondly, the design process of rudder device was divided into concept design, initial design and detail design. In concept design, a rudder area was estimated and its validity was examined. In initial design, rudder profile and design method has been selected through rudder form determination process. And principal dimension and steering gear capacity were determined. Maneuvering performance was also examined by simulation tool. In detail design, design criteria considered in rudder initial design has been investigated thoroughly. Also a rudder torque, rudder cavitation performance and rudder structure analysis were estimated. And maneuvering performance was also examined by model test. Finally, based on the results of investigation, the design process of rudder device was generalized and proposed.
천식환자에서 병발된 S 단백 결핍과 연관된 폐동맥 색전증
박정화 ( Chung Hwa Park ),윤승배 ( Seung Bae Yoon ),김대범 ( Dae Bum Kim ),이한희 ( Han Hee Lee ),김찬준 ( Chan Joon Kim ),김정호 ( Jeong Ho Kim ),고훈영 ( Hoon Young Ko ),이미정 ( Mi Jeong Lee ),이화정 ( Hwa Jeong Lee ),김승수 ( 대한천식알레르기학회 2010 천식 및 알레르기 Vol.30 No.2
Asthma is a chronic multifactorial disease with frequent exacerbations in many patients. Much effort has been made to determine prevalent factors associated with difficult- to-control asthma. Here we report the case of a 57-year-old man who was treated for asthma during the last 4 years at our pulmonology clinic. Recently, the patient experienced severe dyspnea for more than 3 months despite the addition of the leukotriene modifier, theophylline and oral cortic- osteroid. Chest CT scans revealed multifocal areas of pulmonary arterial thrombosis. Doppler ultrasonograms showed multiple deep vein thrombi. The patient was diagnosed of having protein S deficiency and was treated with low molecular weight heparin, followed by oral warfarin. Now, he has no pulmonary arterial thrombosis and has no more asthmatic attack for half a year. (Korean J Asthma Allergy Clin Immunol 2010;30:135-139)