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이세기,문덕환,이채관,황용식,선병관,손병철,김대환,이창희,김휘동,이채언 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.5
Objectives: For the purpose of preparing the fundamental data and assessing the status of exposure level of chemical substances in painting process. Methods and Materials: The author determined the concentration of organic solvents, lead(Pb), Chromium(Cr), and Toluene-2, 4-diisocyanate(TDI) in air of painting process to 90 industries classified by 15 types of manufacturing industry during a period from Jan. 1st 2001 to Dec. 31st 2001. Results: The results were as follows: 1. The geometric mean level of each chemical substance was 0.1706 ppm for exposure index in organic solvents, 0.0019㎎/㎥ for Pb, 0.0024 ㎎/㎥ for Cr, and 0.0004ppm for TDI, respectively. 2. The exposure level of each chemical substances by type of painting was the highest in dipping and brush painting for organic solvent, in spray-painting for TDI, and in spray gun-painting for Pb and Cr, respectively. 3. The exposure level of each chemical substances by type of local ventilation equipment was higher in enclosed and booth type for organic solvents. Cr, and TDI, and in exterior type for Pb, respectively than those of other types. 4. The exposure level of each chemical substances by type of hazardous material arresting media was higher in using water for organic substances, in using bag filter for Pb, TDI, respectively than those of other types. Conclusion: According to above results, this study suggests that the exposure level by type of industry exceeded the exposure level in wooden furniture and metal furniture manufacturing industry for organic solvents and Pb, respectively.
Korean Society of Gastrointestinal Endoscopy Guidelines for Endoscope Reprocessing
Son, Byoung Kwan,Kim, Byung-Wook,Kim, Won Hee,Myung, Dae-Sung,Cho, Young-Seok,Jang, Byung Ik Korean Society of Gastrointestinal Endoscopy 2017 Clinical Endoscopy Vol.50 No.2
<P>The Korean Society of Gastrointestinal Endoscopy (KSGE) issued guidelines for endoscope reprocessing for the first time in 1995, and the version of the guidelines was updated in August 2009, August 2012, and March 2015. Guidelines for endoscope reprocessing should be revised continuously, because new disinfectants and devices are developed and introduced. The current official version of the KSGE guidelines for endoscope reprocessing is explained herein to assist the reader in understanding the KSGE requirements for cleaning and disinfecting endoscopes.</P>
경계성 절제가능형 췌장암의 치료와 국소 진행형 췌장암의 국소 치료
손병관 ( Byoung Kwan Son ) 대한췌장담도학회 2015 대한췌담도학회지 Vol.20 No.1
With the advances in the imaging techniques, it is now possible to more accurately diagnose and stage pancreatic cancer. However, there is no uniform definition of “borderline resectable pancreatic cancer (BRPC)” and consensus on this terminology has not been reached yet. Although there has been much progress in the therapeutic strategies for pancreatic cancer, the optimal treatment scheme for BRPC is still under debate. In order to overcome these problems, prospective studies using multidisciplinary approaches are warranted. This article is intended to review the currently available definitions and management of BRPC. Promising novel ablative methods that are used as local treatments for locally advanced pancreatic cancer are also introduced. In the near future, these ablative methods might prove to be invaluable for those with BRPC.
내시경 역행성 담췌관조영술에서 시술자에 대한 방사선 방호의 부족
손병관 ( Byoung Kwan Son ),이규택 ( Kyu Taek Lee ),김재선 ( Jae Seon Kim ),이승옥 ( Seung Ok Lee ) 대한소화기학회 2011 대한소화기학회지 Vol.58 No.2
Background/Aims: ERCP using fluoroscopy should be practiced with an adequate radiation protection. However, the awareness of gastrointestinal endoscopists to radiation protection was considered insufficient. In Korea, a country with a rapid increase the number of ERCP procedures, there is no data about radiation protection practices for gastrointestinal endoscopists. The purpose of this study was to investigate current clinical practices and the awareness on radiation protection in ERCP performing physicians in Korea. Methods: An anonymous questionnaire regarding radiation protection practices was mailed to 100 members of Korean Pancreatobiliary Association who was porforming ERCP. The questionnaire included ERCP volume of each endoscopist, use of protection devices such as apron, thyroid shield, lead glasses and any mobile shield for scattered radiation, and whether they monitored their own radiation exposure dosage. Results: All respondents wore lead aprons during ERCP. While 52.5% of endoscopists answered that they always wear thyroid guards, 26.9% rarely or never wore it. Only 14% wore lead glasses during the procedure and 69% never wore it. The preparation rates of mobile shields or lead curtains were only 14% and 24%, respectively. Only 10% of endoscopists attached an X-ray badge and 66.7% never used it. Moreover, 75% of endoscopists responded that they did not monitor their own exposure dose to radiation during ERCP. Conclusions: The lack of radiation protection of ERCP endoscopists in Korea was seemed serious. Awareness of radiation hazard should be more concerned and educated in parallel with the preparation of radiation protection equipments. (Korean J Gastroenterol 2011;58:93-99)
손병관 ( Byoung Kwan Son ),손주현 ( Joo Hyun Sohn ),장명희 ( Myung Hee Chang ),박윤경 ( Yoon Kyung Park ),김태엽 ( Tae Yeob Kim ),전용철 ( Yong Cheol Jeon ) 대한소화기학회 2007 대한소화기학회지 Vol.49 No.5
Duodenal varix is a rare cause of hemorrhage in patients with portal hypertension, however their rupture is serious and often life threatening. Treatments for duodenal variceal bleeding include endoscopic procedures, surgery, or interventional radiologic procedures. We report a case of duodenal varices rupture in a 45-year-old man with alcoholic liver cirrhosis who presented with melena and dizziness. Emergent upper endoscopy revealed large nodular varices with a ruptured erosion on the top in the distal second portion of duodenum. Two consecutive injections with 1.0 mL of n-butyl-2-cyanoacrylate (Histoacryl; Braun-Melsungen, Germany) mixed with 1.0 mL of lipiodol (Laboratoire-Guerbet, France) were performed intravariceally and achieved successful hemostasis. This suggests that endoscopic injection sclerotherapy with histoacryl may be an effective therapeutic option for the control of ruptured duodenal variceal bleeding. (Korean J Gastroenterol 2007;49:336-340)