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국내 가축에서 Salmonella I 4,[5],12:i:-의 최초 분리 사례
이덕용,강민수,권용국,안병기,김영조,허은정,문진산,이에스더,박혜민,Lee, Deog-Yong,Kang, Min-Su,Kwon, Yong-Kuk,An, Byung-Ki,Kim, Young-Jo,Heo, Eun-Jeong,Moon, Jin San,Lee, Esther,Park, HyeMin 대한수의학회 2012 大韓獸醫學會誌 Vol.52 No.4
Salmonella I 4,[5],12:i:- was a monophasic variant of Salmonella (S.) Typhimurium and notorious for re-emerging candidate which would replace S. Typhimurium DT104 for antibiotic resistance. Recently, isolation rate was increased on human and industrial animals but there was no case in domestic animals but human in Korea. This was first isolation case from domestic animals in Korea. The five isolates from feces of duck (n = 3), chicken (n = 1), and wild bird (n = 1) showed antibiotic resistance against cephems and aminoglycosides. These means that the spread of emerging bacterial pathogens to domestic animals and the need of systemic management for Salmonella I 4,[5],12:i:-.
가상 힘과 퍼지 제어기를 이용한 군집 로봇의 주행 제어
이덕용(Deog-Yong Lee) 산업기술교육훈련학회 2014 산업기술연구논문지 (JITR) Vol.19 No.2
In this paper, we propose the navigation control algorithm of swarm robots for the cooperation behavior control. The proposed method is as follows: First, we propose the localization method of swarm robot using analysis of the mileage of the wheel position. Then, we plan the path of swarm robots using the A* algorithm. Also, we propose the navigation control algorithm of swarm robots using the virtual force and the fuzzy control. Finally, we show the effectiveness and feasibility of the proposed method through some simulations.
영역 분할 알고리듬을 이용한 이동 로봇의 다수 경로 계획
이덕용(Deog-Yong Lee) 산업기술교육훈련학회 2014 산업기술연구논문지 (JITR) Vol.19 No.4
In this paper, we propose multi-path planning method of the mobile robot using region segmentation algorithm in real environment. The proposed method is as follows: First, we propose the region segmentation method of real environment by using the Voronoi diagram. And then, we set the target position of the mobile robot by using the k-mean algorithm in the segmentation region. Second, we allocate the navigation order of mobile robots by using the genetic algorithm. And then, we plan the navigation path of the concerned mobile robot by using A* algorithm according to the allocated navigation order. Also, we propose the obstacle avoidance navigation algorithm of mobile robot by using the virtual force. Finally, we show the effectiveness and feasibility of the proposed method through some simulations.
건강한 성인 및 과민성 장 증후군 환자에서 세로토닌 수송 단백질 유전자의 다형성
이덕용 ( Lee Deog Yong ),박효진 ( Park Hyo Jin ),김원호 ( Kim Won Ho ),이상인 ( Lee Sang In ),서윤주 ( Seo Yun Ju ),최영철 ( Choe Yeong Cheol ) 대한소화기학회 2004 대한소화기학회지 Vol.43 No.1
Background/Aims: Serotonin is thought to be an important neurotransmitter in the pathogenesis of irritable bowel syndrome (IBS). It is reported that functional polymorphism in the promotor region of the serotonin transporter gene is related with the subtypes of IBS and shows racial difference. However, a functional relation between polymorphism and IBS is not clear. The aim of this study was to investigate 5-hydroxytryptamine transporter (5-HTT) gene polymorphism in patients with IBS. Methods: For fifty-six healthy controls and 33 patients with IBS fulfilling Rome II criteria, 5`-flank promotor region of 5-HTT gene was analyzed by polymerase chain reaction. Results: The genotypes of healthy controls were S/S (57.1%), S/L (37.5%), and L/L (5.4%). Those of IBS patients were S/S (54.5%), S/L (36.4%), and L/L (9.1%). IBS patients were divided into three groups: diarrhea predominant (n=15; S/S, 40%; S/L, 53.3%; L/L, 6.7%), constipation predominant (n=12; S/S, 75.0%; S/L, 8.3%; L/L, 16.7%), diarrhea-constipation alternating type (n=6; S/S, 50%; S/L, 50%). There was no statistical difference in the 5-HTT gene polymorphism between patients and controls, and according to the subtypes of IBS patients (p=0.135). Conclusions: There was no relationship between serotonin transporter gene polymorphism and IBS. However, allele S/S genotype was most prominent genotype in both controls and patients. (Korean J Gastroenterol 2004;43:18-22)
표준 내시경유두괄약근절개술에서 사용 전류에 따른 합병증 발생의 비교
이세준 ( Lee Se Jun ),송기섭 ( Song Gi Seob ),정준표 ( Jeong Jun Pyo ),이덕용 ( Lee Deog Yong ),정연수 ( Jeong Yeon Su ),지상원 ( Ji Sang Won ),백용한 ( Baeg Yong Han ),박승우 ( Park Seung U ),송시영 ( Song Si Yeong ),이관식 ( Lee 대한소화기학회 2004 대한소화기학회지 Vol.43 No.3
Background/Aims: The blended current is usually used for endoscopic sphincterotomy (EST) to minimize bleeding. The pure cutting current may induce less edema of the ampulla and therefore result in less injury to the pancreas theoretically. The aim of this study was to evaluate effects of electric currents used on the development of serum pancreatic enzyme evaluation, clinical pancreatitis or bleeding after EST. Methods: One hundred and eighteen consecutive patients who underwent EST with standard papillotome alone for the treatment of choledocholithiasis were reviewed. All EST had been performed by two endoscopists whose experience on EST was similar: one uses blended current(BC group, n=74), while the other uses pure cutting current (PC group, n=44). Results: Baseline clinical, laboratory, and procedural parameters were similar in both groups. The incidences of hyperamylasemia and hyperlipasemia were similar between two groups. There was no significant difference in the incidence of clinical pancreatitis between two groups (BC 6.8% vs PC 0.0%, p=0.1557). All episodes of pancreatitis were mild. No episodes of significant bleeding occurred after EST. The incidences of sepsis, cholangitis and perforation were also not different between two groups. Conclusions: Development of complications after standard EST such as hyperamylasemia, clinical pancreatitis, and bleeding may not depend on the electric current used. (Korean J Gastroenterol 2004;43:204-210)
이소성 췌장의 악성 변화에 의하여 발생한 십이지장 선암종
남주영 ( Nam Ju Yeong ),이상인 ( Lee Sang In ),정준표 ( Jeong Jun Pyo ),최성호 ( Choe Seong Ho ),이덕용 ( Lee Deog Yong ),최재필 ( Choe Jae Pil ),이정일 ( Lee Jeong Il ),이세준 ( Lee Se Jun ),이관식 ( Lee Gwan Sig ),강진경 ( Kang 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Heterotopic pancreas, defined as the presence of pancreatic tissue that lacks anatomic and vascular continuity with the pancreas proper, may be more likely to undergo malignant change. However, malignancy arising from heterotopic pancreas is rare. In Korea, only one case of adenocarcinoma arising from a gastric heterotopic pancreas has been reported. Recently, we experienced a case of duodenal carcinoma arising from heterotopic pancreas in a 64-year-old man. Endoscopic biopsy of the stenotic duodenum was positive for adenocarcinoma, and he underwent a pancreaticoduodenectomy with subtotal gastrectomy. Histologic examination of the resected specimen satisfied the proposed conditions that are necessary to prove that a malignancy arose from heterotopic pancreas. Despite an adjuvant chemotherapy, he died 10 months after surgery. Herein, we report a case of duodenal adenocarcinoma arising from heterotopic pancreas with a review of the relevant literature. (Korean J Gastroenterol 2003;42:164-167)
장티푸스의 혈청학적 진단을 위한 Vi-수동혈구응집법, SD$^{(R)}$ Kit 및 Widal 시험에 대한 효용성 평가
김성훈,김석호,이덕용,이에스더,박미선,이복권,Kim, Sung-Hun,Kim, Shuk-Ho,Lee, Deog-Yong,Lee, Esther,Park, Mi-Sun,Lee, Bok-Kwon 한국미생물학회 2010 미생물학회지 Vol.46 No.2
본 연구는 장티푸스 환자에 대한 혈청학적 시험법인 Vi-PHA, $SD^{(R)}$ kit, Widal 시험(O & H)에 대하여 평가를 위해 수행하였다. 2005년부터 2006년까지 수집된 36건의 혈청검체를 대상으로 하였으며, 9건은 배양검사를 통하여 장티푸스균이 검출된 확진환자의(Typhoid fever) 검체이며, 27건은 비장티푸스성 열성환자의(Non-typhoid fever) 검체이다. 시험결과 Vi-PHA는 환자 혈청 9건 중 양성 8건으로 민감도 88.9% (P<0.001; Fisher's exact test), 비장티푸스성 열성환자 27건 중 1건이 양성을 보여 특이도 96.3%로 나타났다. $SD^{(R)}$ kit는 민감도 100% (P<0.001), 특이도 92.6%로 나타났다. Widal (O & H) 시험의 민감도는 각각 88.9% (P=0.001), 100% (P<0.001), 특이도는 77.8%, 70.4%로 나타났다. 민감도는 $SD^{(R)}$ kit와 Widal H 검사법이 가장 높은 것으로 확인되었으며, 특이도는 Vi-PHA가 가장 높게 나타났다. 장티푸스의 효과적인 혈청학적 진단을 위하여 급성 또는 유행지역에서는 특이도가 높은 Vi-PHA로 검사를 수행하고, 장티푸스 비 유행지역과 고위험군에 대하여는 민감도가 높은 Widal H와 $SD^{(R)}$ kit를 적용하는 것이 진단의 유의수준을 높일 수 있을 것으로 판단된다. In this study, we evaluated Vi-passive hemagglutination (Vi-PHA), SD Salmonella Typhi IgG/IgM ($SD^{(R)}$ kit) and Widal test for the rapid laboratory diagnosis of typhoid fever patients. A total of 36 serum samples from febrile patients in Korea from 2005 to 2006 were used. Among 36 patients, 27 were fever patients without typhoid, 9 were typhoid fever. Vi-PHA showed 8 positive results out of 9 typhoid fever patients (sensitivity 88.9%) and 1 positive and 26 negative results out of 27 febrile patients without typhoid (specificity 96.3%). The sensitivity and the specificity of $SD^{(R)}$ kit were 100% and 92.6%, respectively. However, the sensitivity and the specificity of Widal O & H tests were 88.9%, 100%, and 77.8%, 70.4%, respectively. Consequently, Widal H and $SD^{(R)}$ kit showed higher sensitivity and Vi-PHA showed higher specificity. To efficient diagnosis, Vi-PHA may be sufficient diagnosis method in acute cases and $SD^{(R)}$ kit and Widal test may be sufficient in sporadic area and high risk group.
과민성 장 증후군 환자에서 세로토닌 수송 단백질 유전자의 다형성과 혈중 세로토닌치간의 연관 관계
박효진 ( Park Hyo Jin ),이덕용 ( Lee Deog Yong ),지상원 ( Ji Sang Won ),서윤주 ( Seo Yun Ju ),이상인 ( Lee Sang In ) 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
과민성 장 증후군의 발병 원인으로 최근에는 신경전달물질 중 세로토닌이 중요한 역할을 하는 것으로 생각되고 있다. 세로토닌이 과민성 장 증후군의 병태 생리에 관여하며 세로토닌 수송 단백질 유전자 조절부위의 유전자형이 과민성 장 증후군의 아형과 관련이 있음과 인종에 따른 차이가 보고되고 있으나 아직 명확하게 밝혀져 있지 않다. <목적> 본 연구에서는 한국인에서 세로토닌 수송 단백질의 유전자형과 과민성 장 증후군과의 연관 관계를 규명하고자 하였다. <대상 및
Peutz-Jeghers 증후군의 과오종에서 Cyclooxygenase-2의 과발현
송대훈 ( Song Dae Hun ),정준표 ( Jeong Jun Pyo ),홍순원 ( Hong Sun Won ),이덕용 ( Lee Deog Yong ),정연수 ( Jeong Yeon Su ),지상원 ( Ji Sang Won ),백용한 ( Baeg Yong Han ),이세준 ( Lee Se Jun ),이관식 ( Lee Gwan Sig ),김원호 ( Kim 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
<목적> Peutz-Jeghers (P-J) 증후군은 위장관의 과오종성 용종증과 피부점막의 색소침착을 특징으로 하는 상염색체 우성으로 유전하는 비교적 드문 질환이다. 본 질환은 용종에 의한 장폐쇄, 장중첩증 및 출혈 등의 증상과 용종의 악성 변환 위험 때문에 용종을 최대한 제거하여야 하지만, 수술 및 내시경을 통한 용종의 물리적 제거에는 한계가 있고 결국 환자는 수 차례의 개복 수술을 피할 수 없게 된다. 따라서 지속적으로 발생하고 성장하는 P-J 증후
급성 췌장염의 진단에 있어서 Urinary trypsinogen-2 검사의 유용성
황성준 ( Hwang Seong Jun ),정준표 ( Jeong Jun Pyo ),이덕용 ( Lee Deog Yong ),정연수 ( Jeong Yeon Su ),지상원 ( Ji Sang Won ),백용한 ( Baeg Yong Han ),박승우 ( Park Seung U ),이세준 ( Lee Se Jun ),송시영 ( Song Si Yeong ),이관식 ( 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
<목적> 급성 췌장염의 진단에 있어 전통적으로 혈중 amylase가 이용되어 왔으나 그 진단 예민도 및 특이도에는 한계가 있으며, 이를 보완하기 위하여 혈중 lipase가 이용되기도 하나 역시 예민도 및 특이도에 문제가 있고 그나마 모든 병의원에서 측정이 가능한 검사 종목이 아니다. 따라서 급성 췌장염을 신속, 간편 및 정확하게 검사할 수 있는 방법이 요구되고 있다. 최근에 개발된 urinary trypsinogen-2 strip test는 급성 췌장염