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대장내시경검사의 전처치로서 항콜린제 사용에 관한 연구 : 전향적, 이중맹검법으로
박경남,한동수,이민호,최호순,박준용,손주현,이오영,함준수,전용철,송승찬,기춘석,윤병철,이종희 대한소화기내시경학회 1997 Clinical Endoscopy Vol.17 No.3
Background: Use of antispasmodic medication prior to colonoscopy is controversial but someone believes antispasmodic may improve visualization of colonic mucosa and ease colonoscope insertion. So, we designed a study to assess the effect of premedication with the antispasmodic, hyoscine-N-butyl bromide(Buscopan') on the performance of colonoscopy. Methods: This study was prospective, double blinded, randomized, controlled study, One hundred three consecutive patients were randomized to receive intravenous buscopan lml(n=52) or placebo(n=51) combined with our standard initial medication(me- peridine 50 mg and midazolam 2 mg). Insertion of colonoscopy was timed, and 100 mm visual analogue scales (VAS) were used for asscssing difficulty of procedure, colonic motility, frequency of positional change, frequency of external compression, difficulty of assistance and degree of discomfort experienced by the patients. Results: There were no significant differences of intubation time between buscopan group(mean time, 7.23 min., range 2~15) and placebo group(7.07 min., range 3-25), (p=0.83) and withdrawal time between buscopan group (6.46 min., range 2-22) and placebo group(6.76 min., range 2 25), (p=0.69). Also, there was no significant differences in intubation time between males and females(buscopan; males 7.00 min., females 7.60 min., p=0.34, placebo; males 7.0~5 min., females 7.08 min., p 0.44). The VAS scores checked by endoscopist(p=0.29), assistant(p=0.32) and patient (p=0.15) were not significantly different in both groups. There were no significant differences in intubation time, VAS scores nf endoscopist, assistant, and patients. Conclusion: Premedication with intravenous bu.opan has no advantage on colonoscopy procedure. Use of antispasmodic medication prior to colonoscopy was not considered as recommendable agent.
주철민 東西大學校 2000 동서논문집 Vol.6 No.-
본 연구에서는 대학의 체계적인 학적부 관리를 위한 정보시스템 구축 사례를 소개한다. 학생 개개인에 대해 입학할 때부터 졸업할 때까지, 더 나아가 졸업 이후까지도 체계적이고 지속적으로 지도하기 위해서는 학생의 다양한 정보를 효율적으로 수집, 분석 및 관리하여야 하며, 이를 위해서는 학생 개개인의 학적부를 체계적으로 관리할 수 있는 정보 시스템의 구축이 필수적이다. 이에 본 연구에서는 소속 대학의 학적부 관리업무를 대상으로 정보시스템을 구축한다. In this paper, a case study is introduced on the development of a management system for school register. For the systematic and continuously instruction to the students from enterance to graduate, the various informations of the students are collected, analyzed, and managed efficiently. Thus, a systematic information management system for school register is needed. In this paper, an information system for management of school register is developed to manage efficietly the whole information related with students of a university.
혼화재 종류별 온도 변화에 따른 콘크리트의 응결 및 강도발현 특성
주은희,손명수,차천수,한민철,김성수,한천구 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
The objective the paper is to investigate the physical and mechanical properties of concrete incorporating mineral admixtures. For setting properties, at low curing temperature, setting time of concrete with mineral admixture is delayed compared with that of plain concrete. But, use of cement kiln dust(CKD) has a desirable effect on reducing setting retard under low curing temperature. For compressive strength, concrete with FA and BS have low strength at early stage compared with that of plain concrete under low curing temperature. However, the use of CKD resulted in an enhancement of compressive strength at early stage under low curing temperature, and exhibited a similar level of compressive strength with plain concrete. For this reason, use of CKD in cold weather concreting has positive effect on strength development at low curing temperature under early age.
중력가속도의 변화에 따른 자동운반차량용 서스펜션의 진동모드에 관한 연구
주만식,김민주,이승수,최영철,추정근,김중완,전언찬 동아대학교 해양자원연구소 2000 硏究論文集 Vol.13 No.1
This study is to choose the most proper model for AGV Throughout simulation of behavior of suspension to reduce trial and error because there is no AGV treating heavy weight at harbor loading and unloading at home. Therefore, we estimate the vibration modes of the various suspensions applied to AGV, which is over 75 ton included the weight of two containers using the Matlab in the case of G and 5G, one of the simulation programs.
AGV 용 서스펜션의 진동 모드에 관한연구 : 중력 가속도가 5G인 경우 A Case of Gravity Acceleration is 5G
주만식,김민주,이승수,최영철,추정근,김중완,전언찬 한국공작기계학회 2000 한국공작기계학회 추계학술대회논문집 Vol.2000 No.-
This study is to choose the most proper model for AGV throughout simulation of behavior of suspension to reduce trial and error because there is no AGV treating heavy weight at harbor loading and unloading at home. Therefore, we estimate the vibration modes of the various suspension applied to AGV, which is over 75 ton included the weight of two containers on 5G using the Matlab, one of the simulation programs
박주철,안성민,김흥중,정문진,박민주,신인철,손호현 大韓齒科保存學會 2005 Restorative Dentistry & Endodontics Vol.30 No.5
법랑모세포는 법랑질을 형성하고 유지하는 세포로, 법랑질의 유기기질을 분비하고 법랑질 석회화 과정에도 관여한다. 치아 발생과정에서 법랑모세포의 분화는 순차적인 상피-간엽 상호작용에 의하여 조절되나, 분화나 성숙과정의 정확한 기전은 아직까지 잘 알려져 있지 않다. 최근에 상아모세포에서 처음 발견된 OD314가 치아 발생과정에서 상아질을 형성하는 상아모세포 뿐 아니라 법랑모세포에도 발현된다고 하였다. 이에 본 연구에서는 생쥐 하악 전치의 다양한 시기의 법랑모세포를 이용하여, 형태학적 분석과 in-situ hybridization에 의한 OD314 mRNA의 발현 그리고 OD314 항체를 이용한 면역조직화학적 분석을 통하여 OD314 유전자의 법랑 모세포 분화와 성숙과정에서의 역할을 연구하여 다음과 같은 결과를 얻었다. 1. 형태학적으로 법랑모세포는 분화 단계에 따라 분비 전단계 법랑모세포, 분비기 법랑모세포, 성숙기의 평탄끝 법랑모세포와 성숙기의 주름끝 법랑모세포로 구분되었다. 2. OD314 mRNA는 분비기의 법랑모세포에서부터 발현되기 시작하여 법랑모세포가 성숙해갈 수록 그 발현이 증가하였다. 3. OD314 단백질은 분비 전단계의 법랑모세포에서는 발현되지 않고, 분비기의 법랑모세포에서는 세포질에 전체적으로 발현되었다. 성숙기의 평탄끝 법랑모세포와 주름끝 법랑모세포에서는 세포의 근심과 원심끝단에 OD314 단백질이 강하게 발현되었다. 이상의 결과를 종합하여 OD314는 법랑모세포의 분화와 성숙과정에서 세포질 내부에서 특징적인 역할을 하는 것으로 사료된다. Ameloblasts are responsible for the formation and maintenance of enamel which is an epithelially derived protective covering for teeth. Ameloblast differentiation is controlled by sequential epithelial-mesenchymal interactions. However, little is known about the differentiation and maturation mechanisms. OD314 was firstly identifled from odontoblasts by subtraction between odontoblast/pulp cells and osteoblast/dental papilla cells, even though OD314 protein was also expressed in ameloblast during tooth formation. In this study, to better understand the biologcal function of OD314 during amelogenesis, we examined expression of the OD314 mRNA and protein in various stages of ameloblast differentiation using in-situ hybridization and immunohistochemistry. The results were as follows : 1. The ameloblast showed 4 main morphological and functional stages referred to as the presecretory, secretory, smooth-ended, and ruffle-ended. 2. ○D314 mRNA was expressed in secretory ameloblast and increased according to the maturation of the cells. 3. OD314 protein was not expressed in presecretory ameloblast but expressed in secretory ameloblast and maturative ameloblast. OD314 protein was distributed in entire cytoplasm of secretory ameloblast. However, OD314 was localized at the proxiamal and distal portion of the cytoplasm of smooth- ended and ruffle-ended ameloblast. These results suggest that ○D314 may play important roles in the ameloblast differentiation and maturation.
한철규,고성택,최민주 濟州大學校 情報通信硏究所 2000 情報通信硏究所論文集 Vol.3 No.-
Heart sound contains rich information regarding the dynamics of the heart and the auscultation has been a first choice of routine procedures for diagnosis of the heart. However. heart sounds captured using a conventional stethoscope are not often loud or clear enough for doctors to precisely classify their characteristics. especially. under the noisy environments of the hospital. A simple auscultation device that removed shortcomings of the conventional stethoscope was constructed in the study. The device employed a polymer based adherent differential output sensor(PADS) which was on contact with skin through a coupling medium and appropriated electronic circuits for signal amplification and conditioning. An ordinary headphone is taken to hear the captured heart sounds and the volume can be adjusted to hear well. It is also possible that the device sends the captured heart sound signals to a PC where the signals are further processed and visualized.
젊은 성인에서 흡연에 의한 상완동맥 내피기능의 부전에 관한 연구
이상철,권영주,방덕원,이선해,이보영,김지욱,김영훈,온영근,현민수,김성구 순천향의학연구소 2002 Journal of Soonchunhyang Medical Science Vol.8 No.1
Background and Objectives : Cigarette smoking is a major factor and the most modifiable risk factor for atherosclerosis. Endothelial dysfunction is an early event in atherosclerosis, before the structural change of the systemic arteries. We hypothesized that endothelial dysfunction might be present in the systemic arteries of young adult smokers and that this might be dose-dependent phenomenon. Therefore, we try to certify that smoking is associated with endothelial dysfunction in healthy young adults without other risk factor of atherosclerosis. Subjects and Methods : we studied noninvasively 29 subjects aged 3 to 4 decades without other risk factor of atherosclerosis, they were composed of the two groups, current smokers(n=15) and nonsmokers(n=14). Smoking history varied from 3 to 20 pack years. Using high-resolution ultrasound, vessel diameter and mean flow rate were measured at rest, during reactive hyperemia(with flow-mediated endothelium-dependent dilation), and after sublingual nitroglycerin(NG-induced endothelium-independent vasodilation). Result : Flow mediated endothelium dependent dilation was observed in the control subjects (9.4±3.44%) but was impaired in the smokers(5.8±2.51%)(p=0.004). NG-induced endothelium independent dilation is no difference in all subjects. Conclusion : Cigarette smoking is associated with endothelial dysfunction in healthy young adults.
圓光醫大 附屬 第2病院 神經精神科 患者에 對한 統計的 考察(Ⅱ)
박민철,장광철,김상원,김한주,유미경,김훈,유용진,김현정,박남진,오상우,이귀행,노승호,백영석 圓光大學校 醫科大學 神經精神科學敎室 1992 圓光精神醫學 Vol.8 No.1
본 연구는 1986년 7월 11일부터 1991년 7월 10일까지 원광의대 부속 제2병원 신경정신과에서 의래 및 입원치료를 받았던 6,072명의 환자를 대상으로 병원 역학조사를 실시하고 그 결과를 1차조사 (박민철 등1986)와 비교했다. 1.전체 환자 중 남자가 54.4%로 여자보다 많았고, 이리와 이리 인접지역이 84.0%로 대부분의 지역을 나타났다. 의료보장상태는 보험환자가 57.1%, 의료보호환자21.8%, 일반환자 21.1%였으며 연령별로는 20대 24.6%, 30대 22.8%로 20대 30대가 절반정도를 차지했다. 2.외래환자에서는 신경중성장애가 46.0%로 가장 많고 정동장애, 경련성장애 순이며, 입원환자에서는 정신분열증이 30.5%로 가장 많고 기질성정신장애, 정동장애의 순이었다. 3.남자는 신경증성쟝애(23.4%), 정신분열증, 기질성정신장애 순이고 여자는 신경증성장애(39.9%), 정동장애, 정신분열증의 순이었다. 남자가 여자보다 많은 진단은 알코올정신장애(94.6%), 기질성정신장애, 소아정신장애 순이고, 여자가 남자보다 많은 진단은 정동장애(64.5%), 신경증성장애였다. 4.진단별 연령분포에서 신경증성장에는 30대(25.3%), 20대, 40대 순이고, 정신분열증은 20대(40.5%), 30대, 40대 순이며, 정동장애는 20대, 30대, 50대 순이나 비교적 비슷한 융이었다. 5.진단별 발병연령에서 신경증성장에는 20대, 30대가 절반이고,정신분열증은 20대(51.3%), 10대, 30대 순이며 정동장애는 20대(30.7%), 30대, 50대 순이었다. 진단별 평균 발병연령은 신경증성장애 32.7세, 정동장애 36.1세, 정신분열증 23.6세였다. 6.진단별 이병기간은 2년이상이 신경증성장에 28.3%, 정신분열증 68.5% 정동장애 43.9%인데 전체적으로 41.0%였다. 진단별 평균 이병기간은 정신분열증 73.2개월, 정동장애 45.5개월, 신경증성장애 29.5개월이었다. We examined epidemiologic study of 6,072 patients who visited Wonkwang Neuropsychiatric hospital since July 11 of 1986 until July 10 of 1991 and compared this results with previous study(Park et al 1986). The study revealed as follows:1. Of total patients males visited this hosptial more than females as 57.1%, Most of them(84.0%) resided Iri and neighbouring Iri. In the point of insurance, insured patients, medicaid patients and uninsured patients were 57.1%, 21.8% and 21.1% respectively. On the distribution of age, the twenties, the thirties were 24.6%, 22.8% respectively and twenties and thirties were about half of total patients. 2. Of outpatients neurotic disorder was the most as 46.0%, secondly mood disorder and thirdly convulsive disorder, but of inpatients schizophrenia was the most as 30.5%, secondly organic mental disorder and thirdly mood disorder. 3. Of males neurotic disorder was the most as 23.4%, secondly schizophrenia, and thirdly organic mental disorder, but of females neurotic disorder was the most as 39.9%, secondly mood disorder and thirdly schizophrenia. alcoholic mental disorder(94.6%), organic mental disorder, child mental disorder were mostly found in males,but mood disorder(64.5%) and neurotic disorder were mostly found in females. 4. On the distribution of age neurotic disorder was found the most in the thirties(25.3%), next in the twenties and in the forties, and schizophrenia was found the most in the twenties(40.5%), next in the thirties and in the forties, but mood disorder was found the most in the twenties, next in the thirties and in the forties but revealed similar rates relatively. 5. On the distribution of age of onset neurotic disorder developed nearly half during the twrnties and the thirties, schizophrenia developed mostly during the twenties (51.3%), secondly the teens and thirdly the thirties, but mood disorder developed firstly the twenties(30.7%), secondly the thirties and thirdly the fifties. on the average age of onset of illness neurotic disorder, mood disorder and schizophrenia were 32.7 years, 36.1 years and 23.6 years respectively. 6. On the duration of illness more than two years was 28.3% in neurotic disorder, 68.5% in schizophrenia and 3.9% in mood disorder and on the average duration of illness schizophrenia, mood disorder and neurotic disorder were 73.2 months, 45.5 months and 29.5 months respectively.
난포기 및 황체기에 있어서 돼지 난관 협부 평활근의 neurotransmitter들의 수축효과에 대한 estradiol-17β및 progesterone의 영향
이민기,노규진,심철수,남윤정,김주현,최상용 慶尙大學校 1991 論文集 Vol.30 No.2
The effects of estradiol-17β or progesterone on the contractility of neurotransmitters on pig oviductal isthmic smooth muscle were investigated. The motility of the isolated smooth muscle was recorded by using physiological recording system. The results were summarized as follows : 1. The contractility induced by histamine or prostaglandin F2α was depressed by the pretreatment of estradiol-17β but was not by the preteatment of progesterone in follicular or luteal stage. 2. The contractility induced by acetylcholine was depressed un follicular stage but excited in luteal stage by the pretreatment of estradiol-17β or progesterone. 3. The contractility induced by norepinephrine was depressed by the pretreatment of progesterone in follicular stage but was excited by the pretreatment estradiol-17β in luteal stage.