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기관내 삽관이 어려웠던 폐동맥 sling을 동반한 기관협착 환아1예
염석란,신중호,신종환,이근,류일,현성열,진욱,김재광 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4
Pulmonary arterial sling, a rare developmental vascular anomaly forms a sling around the distal trachea and the proximal right main bronchus, where it sometimes makes tracheo-bronchial stenosis. Tracheo-bronchial stenosis from pulmonary arterial sling may produce non-specific symptoms of stridor, noisy breathing, dyspnea, recurrent upper respiratory tract infection, chronic cough, and dysphagia. The diagnosis of this anomaly begins with a high index of suspicion because of the lack of pathognomonic finding on usual evaluation. In this case, initial difficult intubation makes us evaluate further. Other cases reported the diagnosis is established by imaging studies, usually MRI and angiography. But, when our case was evaluated, we used cervico-thoracic enhanced computered tomography and tracheal fluoroscopy. Up to now, tracheobronchial stenosis from vascular anomaly is a rare and challenging disorder with a poor prognosis. However, early exact diagnosis would make us perform the accurate surgical treatment and reduce the mortality and morbidity.
액체상 방류물에 의한 주민선량 평가모델 입력변수의 민감도 분석
염정민,황원태,한문희,정운관,윤인식 조선대학교 에너지.자원신기술연구소 2003 에너지·자원신기술연구소 논문지 Vol.25 No.1
A model for off-site radiological dose evaluation due to liquid effluents generated from the operation of nuclear facilities, which are located in inland area, was developed in consideration of Korean agricultural and environmental conditions. In addition, sensitivity analysis was performed for the improvement of the model. Using the developed model, test runs for nuclear fuel fabrication facilities were conducted. Five kinds of exposure pathways(vegetation, animal products, drinking water, fresh-water-fish, shoreline deposits) and two kinds of radionuclides(234U, 234Th) were considered. Sensitivity analysis for input parameters of the model was conducted by applying a Monte Carlo method with Latin Hypercube Sampling (LHS) technique. As the results, the ingestion of irrigated agricultural products was the highest contributor among the considered exposure pathways. Major sensitive input parameters for the results were the ratio of the interception fraction to the yield of agricultural plants and the human consumption rate.
대형 화재로 인한 사상자의 손상 유형과 합병증 : 동인천 라이브호프 화재를 중심으로
신중호,김재광,염석란,신종환,민순식,임용수,양혁준,이근,황성연 대한응급의학회 2001 대한응급의학회지 Vol.12 No.3
Background: High risks of fire alway exist for buildings in urban areas, especially those in downtown. Crowds, as well as more complex and larger structures, may cause more victims in the event of fire; therefore, emergency medical service plans must be established for such disastrous events. Methods: On the evening of October 30,1999, a fire broke out in downtown, Dong-Incheon Live-Hof restaurant; 56 people were killed and 76 were injured. Most of them were teenagers. We retrospectively reviewed the medical records of the victims, Results: 1) Among the 56 dead, 54 died from smoke inhalation, one from extensive burns, and one from sepsis during treatment. 2) Among the 76 injured, 70 patients suffered from smoke inhalation, 53 from burns, and 9 from several types of trauma (sprains, contusions, lacerations, abrasions, fractures, etc.). 3) Later complications were laryngeal edema, pulmonary edema, scar contracture, and hypoxic brain damage, and so forth. 4) Post traumatic stress syndrome was unexpectedly more prevalent in mildly to moderately injured survivors and witnesses than in seriously injured survivors. Conclusion: Many complications exist after a fire. Some may be resolved in time, but others may result in permanent sequelae. Early rescue, early triage, and early management during transport by emergency medical service (EMS) personnel can result in fewer complications and a lower mortality rate. Therefore, we propose the establishment of plans to be followed during various major disasters.
자동 문턱치 방법을 이용한 밀리미터파 영상의 은닉된 물체 영역 검출
이동수,염석원,손정영,김신환 대구대학교 정보통신연구소 2010 情報通信硏究 Vol.7 No.1
본 논문은 수동형 밀리미터파 영상 시스템을 이용하여 은닉된 물체의 영역을 검출에 관한 연구이다. 밀리미터파 영상은 악천후에도 영상 촬영이 가능하고 플라스틱, 종이, 나무, 옷, 머리카락 같은 특유한 물질들을 투과한다. 그리고 밀리미터파는 금속과 특수한 인공 구조물에 대한 반사율이 높기 때문에 은닉된 물체를 쉽게 검출할 수 있다. 본 논문에서는 밀리미터파 영상에서 은닉된 물체 검출의 영상 분할을 자동 문턱치 방법으로 나타낸다. 본 논문에서는 8㎜ 파장을 수평과 수직 편광 방향으로 수신하는 두 채널에서 획득된 밀리미터파 영상을 Gonzalez와 Otsu 방법으로 영역 분할을 한다. 실험 결과는 Gonzalez과 Otsu 방법 모두 은닉된 물체 영역의 형태를 잘 분리하지만 Otsu 방법이 노이즈와 몸체 영역의 경계 부분이 안정적으로 영역 분할됨을 보인다. We address an image segmentation method to detect concealed objects captured by passive millimeter wave (MMW) imaging. Passive MMW imaging can create interpretable imagery on the objects concealed under clothing. Due to the penetrating property of the MMW imaging, the MMW imaging system is often employed for the security and defense system. In this paper, we develop automatic thresholding methods for the segmentation of concealed objects detected by PMMW imaging. The automatic thresholding method is useful for the image with bimodal distributions. We compare several thresholding methods for two MMW channel images which have 8 mm-horizontal and 8 mm-vertical polarization, respectively. The experimental results show that concealed weapon area is well segmented from the background body by the presented methods.
Plyometric Training과 비타민 C 투여가 남고생의 체력, 혈중 젖산, 암모니아 및 젖산탈수소효소에 미치는 영향
장준원,김세종,이현미,서혜림,조현숙,고정림,염종우,예정복,백영호 釜山大學校 附設 體育科學硏究所 2003 體育科學硏究所 論文集 Vol.19 No.-
The purpose of this was to examine the effect of plyometric training and vitamin C ingestion on physical fitness and fatigue substance....
춘계학술대회 : 포스터전시 ; 장기간 라미부딘 치료 만성 B형간염환자에서 YMDD 돌연변이를 동반하지 않은 라미부딘 내성 바이러스의 검출
( Su Jung Baik ),( Kwon Yoo ),( Yoon Joo Na ),( Hae Sun Jung ),( Chang Yoon Ha ),( Min Jung Kang ),( Ji Min Jung ),( Hyun Joo Song ),( Hye Jung Yeom ),( Tae Hun Kim ),( Ki Nam Shim ),( Sung Ae Jung ) 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.3(S)
춘계학술대회 : 포스터전시 ; 만성 C형간염환자에서 인터페론과 리바비린 치료 중 발생한 허헐성 대장염
( Su Jung Baik ),( Tae Hun Kim ),( Yoon Joo Na ),( Hae Sun Jung ),( Chang Yoon Ha ),( Min Jung Kang ),( Ji Min Jung ),( Hyun Joo Song ),( Hye Jung Yeom ),( Ki Nam Shim ),( Sung Ae Jung ),( Kwon Yoo ) 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.3(S)