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상부위장관출혈에서 Hypertonic Saline-Epinephrine 용액 국소주사의 지혈효과
정현용,이헌영,김영건 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.2
We have assessed the hemostatic efficacy of endoscopic HS-E solution injection sclerosis in the upper gasrointestinal bleeding. A total 27 cases admitted to CNUH internal medicine department from november 1989 to october 1990 were included in this treatment model and the following results were obtained : 1. The causes of bleeding were gastric ulcer(44%), duodenal ulcer(25.9%), Dieulafoy's ulcer (18.5%), advanced gastric cancer(3.7%), Mallory-Weiss syndrome(3.7%) and angiodysplasia(3. 7%). 2. The locations of bleeding were high body(25.9%), angle(18.5%), bulb(18.5%), antrum(14.8%), midbody(3.7%), cardia(3.7%), pyloric canal(3.7%) and stoma(3.7%). 3. Endoscopic findings of UGI bleeding showed active bleeding in 51.9% (14/27 cases) as spurting (11.1%). pulsating(22.2%) and oozing(18.9%). Stigmatas of recent bleeding were 48.1% (13/27cases) as denuded vessels(29.6%) and fresh blood clots(18.9%). 4. The hemostatic effect of HS-E solution injection sclerosis was 92.6%(25/27 cases). The sussess rate of first injection was 70.3%(19/27), second injection 14.8% and third injection 7.4%. Two cases(7.4%) were operated for hemostasis. 5. According to bleeding types viewed endoscopically, hemostatic effects were following sussess rate ; spurting cases 67% (2/3), pulsating cases 83% (5/6), oozing 100% (5/5). Others showed 100% of sussess rates.
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위암조직에서 Carcinoembryonic Antigen 측정의 의의
정현용,윤세진,이헌영,김영건 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.2
To estimate tumor CEA expression of stomach cancers in relation to normal mucosa CEA, degree of cellular differentiation, pathologic stage and other clinicopathologic findings, we measured CEA concentrations in tissue extracts by radioimmunoassay for 24 cases of stomach cancer. The results were as follows: 1. Ranges of tissue CEA concentrations in normal stomach mucosa was from 6.Ong/gm to 15.4 ng/gm(mean 10.2ng/gm). 2. Mean conceatrations of cancer tissue CEA was 42.1ng/gm(from 2.9 ng/gm to 414.Ong/gm), 4 times higher than normal mucosa. In 46% of stomach cancers, tissue CEA concentrations was above normal cut off value(18.7ng/gm). 3. Tiuse CEA concentrations of stomach cancer was significantly high as high CEA levels of normal mucosa(r=0.6954), not related to serum CEA concentrations. 4. Tissue CEA concentrations of stomach cancer was high as high TNM stage, but was not related to wall invasion depth, lymph node metastasis, cellular differentiation and other clinicopathologic findings. In conclusion, the production of CEA in stomach cancers was significantly increased in half cases, CEA expression of tumor was related to pathologic stage rather than cellular differentiation. The factors determined CEA production was considered more higher levels such as DNA profile. To estimate prognostic values of tissue CEA concentrations, follow up of included patients and further study should be pursued.
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정현용,이헌영,김영건 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.2
Gastrointestinal foreign bodies present a significant problem, causing a surprising amount of morbidity and mortality. The clinician is presented with the problem of expectant management, endoscopy, and surgery, to obtain an optimal outcome. We have assessed the efficacy of endoscopic removal in the gastroesophageal foreign body. A total 19 cases admitted at CNUH hospital from january 1991 to december 1993 were included in this treatment model and the following results were obtained : 1) The age distribution varies 10 months to 74 years old, prevalence rate under 5 years of age was 4 cases(21%). 2) Foereign bodies were :lodged in the esophagus 12 cases(normal anatomy 7 cases, benign stricture 5 cases) and in the stomach 7 cases. 3) Nature of foreign bodies was meat ball, marble, check, coin, fish bone, animal bone, video key and bean. 4) Patients with esophageal foreign body were always complained dysphagia or odynopgagia, patients with stomach foreign body were chiefly asymptomatic. 5) Accessory using in endoscopic removal were grasping forceps, alligator forceps, stone extraction baskets, polypectomy snare and laser equipment. 6) All cases were successfully removed by endoscopy, there were no complication during procedure.
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정현용 대전대학교 인문사회과학연구소 2024 인문사회과학논문집 Vol.2 No.2
이 연구는 COVID-19 이후 초등학생들을 대상으로 원격교육의 인식, 실태, 역량, 디지털 대전환 시대를 대비한 원격교육의 실태와 요구 등을 조사하고, 초등학교 현장에서 원격교육을 안착시키기 위한 개선 방향을 찾는 데 목적이 있다. 이 연구의 조사 대상은 충청남도 관내 초등학생 197명이고, 2022년 9월 1일부터 9월 20일까지 인터넷을 통한 전자설문조사를 하였다. 연구 결과 첫째, 초등학생의 원격교육 인식은 평균 3.05점, 원격교육 실태는 평균 3.02점, 원격교육 역량은 평균 3.28점, 고등학생의 디지털 대전환 시대를 고려한 원격교육의 실태 및 요구는 평균 3.18점으로 나타났다. 둘째, 초등학교 학부모 대상의 연수가 필요하고, 셋째, 초등학교 현장 교사들을 위한 실질적인 연수가 필요하고, 넷째, 초등학생 대상의 원격교육 역량 강화가 필요하다. 이 연구 결과를 바탕으로 제언하면, 첫째, 교사와 학부모 대상의 비교 연구가 필요하고, 둘째, 원격교육의 활성화를 위하여 교사 동아리의 활성화 등이 요구된다.
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정현용 대전대학교 인문사회과학연구소 2023 인문사회과학논문집 Vol.2 No.1
이 연구는 COVID-19의 대확산 이후 고등학생들을 대상으로 원격교육에 대한 인식, 실태, 역량, 디지털 대전환 시대를 대비한 원격교육의 실태와 요구 등을 조사하고, 고등학교 현장에서 원격교육의 안착을 위한 개선 방향을 도출하는데 목적이 있다. 이 연구의 조사 대상은 충청남도의 고등학생 226명이고, 2022년 9월 1일부터 9월 25일까지 인터넷 전자설문조사를 하였다. 연구 결과는 첫 째, 고등학생의 원격교육 인식은 평균 3.13점, 원격교육 실태는 평균 3.11점, 원격교육 역량은 평균 3.64점, 고등학생의 디지털 대전환 시대를 고려한 원격교육의 실태 및 요구는 평균 3.31점으로 나타났다. 둘째, 현장 교사들을 위한 원격교육 컨설팅이 필요하고, 셋째, 학생 대상의 원격교육 역량 강화가 필요하고, 넷째, 학부모 연수가 필요하다. 이 연구의 결과를 통해 다음의 내용을 제언하고자 한다. 첫째, 학부모 대상의 연구가 필요하고, 둘째, 소외계층 고등학생에 대한 배려가 필요하다.
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위궤양에 대한 Teprenone(Selbex^�)의 임상효과
정현용,김병호,성자원,이기천,허승식,이종선,이헌영,김영건 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.2
The study objective was to assess the ulcer healing effects of Teprenone, stimulator of mucus production, given in dose of 50mg tid. We reviewed 25 cases of gastric ulcer proven endoscopically and treated by Teprenone. The results were follows; 1) The healing rate of gastric ulcer was 72% after 8 weeks treatment. 2) Subjective symptoms such as epigastric pain, belching, nausea, anorexia and vomiting were subsided at 86%. 3) There were not developed any symptoms, signs and laboratory abnormality (CBC, liver funtion test, urinalysis) suggesting side effect of drugs. In conclusion, Teprenone was considered an effective and safe drug in the treatment of gastric ulcer diseases.
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