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위암환자에서 위아전절제후 일차적 Roux-en-Y 위공장문합술후 위내 음식물 정체에 관한 임상적 연구
김건균(Keon Kyun Kim),최경현(Kyung Hyun Choi) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.1
N/A It is well known that Roux-en-Y reconstruction is a good way to prevent duodenogastric re- flux after subtotal gastrectomy. Most surgeons do not prefer to operate because of the prob- lem of food retention. W e surveyed the incidence of food retention to the gastric carcinoma patients who had sub- total gastrectomy and reconstruction by Roux-en-Y method only during from August 1988 to July 1993 in 327 cases. We classified five groups according to the length of R-Y limb and su- ture method: Group I is 30cm R Y limb, Group II is 25cm R Y limb, Group III is Tanner 19 method, Group IV is 25cm R Y limb and Gambee stitches at posterior side of gastrojejejunostomy, Group V is 25cm R Y limb and Gambee stitches at anterior and posterior side of gastrojejunostomy. Food retention was assessed by gastroscope when they still staying at hospital and during follow up period. Degree of food retention was arbitrarily defined as following: Grade 1;reten- tion volume is 1 5ml, Grade 2;between Grade 1 and 3, Grade 3; retention volume is about one half of the volume of gastrojejunal pouch, Grade 4;only a part of gastrojejunal pouch is visible, Grade 5;no part of gastrojejunal pouch is visible. We could perform this survey only 278 pa- tients out of 327 because of postoperative death or missing the follow up. Grade 1, 2, 3, 4 and 5 was 69, 26, 1 1, 4 and 8 cases. The groups showing higher retention including Grade 3, 4 and 5 was about 8.3%(23cases) and improved to 7.2%(20cases) after 3 months. There was no case of reoperation because of food retention but sorne of the problems could be managed by drugs. Therefore, we conclusively suggest that Roux-en-Y reconstruction after subtotal gastrectomy for the gastric cancer patients could be used safely.(Korean J Gastroentero11994; 26: 83 89)
염하용(Ha Yong Yum),배상균(Sang Kyun Bae),이충한(Chung Han Lee),최경현(Kyung Hyun Choi) 대한핵의학회 1994 핵의학 분자영상 Vol.28 No.2
N/A The purpose of this study is to evaluat.e thallium scanning as a potential test in differentiating malignant from benign lesions of breast. Thirty-one female pat,ients underwent thallium scan of the breast. After intravenous injection of 74-111 MBq(2-3 mCi)of thallium-201, anterior and lat,eral images were obtained. We cornpared thallium scans with pathological results. Of 11 patiens with breat cancers, 10 cases(90.9%) were detected using thallium scan. Thallium scan obtained in one pat,ient who had breast cancer but received several cycles of chemotherapy did not show thallium uptake. The smallest detect,able cancer was 1.5cm in diameter. ln contrast, there is no thallium accumulation in breasts of 17 of 20 patients with benign dis ease(85%), Three cases of 13 fibrocystic disease show thallium uptake in their breast. In conclusion, thallium scan is an effective test in differentiating benign from malignant lesion.
김성진 ( Seong Jin Kim ),손권 ( Kwon Son ),최경현 ( Kyun Hyun Choi ) 한국감성과학회 2002 춘계학술대회 Vol.2002 No.-
한국인 인체모델은 동적 환경에서 정면 및 측면 충돌에 대한 지체의 가속도를 얻을 수 있도록 개발되었다. 우선 GEBOD에 입력하기 위한 32개의 한국인 인체치수를 선별하고, 15개의 지체를 가진 한국인 인체모델을 구성한다. 손 동작의 감성평가에 이용하기 위해 손을 독립된 지체로 분리한 17개 지체의 인체모델을 완성한다. MADYMO를 통한 정면충돌 테스트에서는 Hybrid III에 비해 한국인의 머리와 흉부 가속도가 비교적 높게 나왔고, 측면충돌 테스트에서 흉추 1번의 가속도는 ISO에서 요구하는 범위의 상한값을 조금 벗어나는 결과를 얻었다.
엄성숙 ( Sung Suk Eom ),이상철 ( Sang Chul Lee ),손권 ( Kwon Son ),최경현 ( Kyun Hyun Choi ) 한국감성과학회 2000 추계학술대회 Vol.2000 No.-
주행 시뮬레이터는 여러 가지 주행상황을 탑승자에게 전달하고자 하는 장치이다. 기존의 주행 시뮬레이터에 관한 대부분의 연구는 탑승자의 감성평가에 관해 이루어지지 않았다. 본 논문에서는 탑승자의 감성을 주행 시뮬레이터에 피드백하여 주행 시뮬레이터의 성능을 향상시키고자 한다. 이를 위하여 본 논문에서는 다변량 해석형 수법, 기능 전개형 수법, 가상현실 감성공학 등을 응용하여 동적 시스템에 대한 측정 및 평가방안을 연구하였다. 설정된 목표감성인 운동감에 대한 20여개의 감성어휘 추출과 주행 시뮬레이터에 대한 분석을 통하여 차단주파수를 감성요인으로 정하였다. 감성어휘와 감성요인간의 관계를 평가하기 위하여 감성실험을 수행하였고, 그 측정결과를 통계학적으로 분석하였다.
김건균,신연명,최경현 고신대학교 의학부 1993 高神大學校 醫學部 論文集 Vol.9 No.2
Behcet's syndrome, reported by Behcet in 1937, is characterized by a triad of recurrent oral and genital ulceration and ocular inflammation. The syndrome has been recognized as a multisystemic disease with oral, ocular, genital, skin, articular, vascular, neurological and intestinal involvement. Recently we experienced a 23-year old male patient who had Behcet's syndrome associated with ileal ulceration and perforation.