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INVERTED MATTRESS SUTURE를 이용한 선천성 이개연골 변형의 교정
하지운,최병욱,서인석 大韓成形外科學會 1993 Archives of Plastic Surgery Vol.20 No.1
There are many kinds of congenital auricular deformities but some congenital deformities have no lack or excess of cartilage, which are mild to a moderately constricted ear, cryptotia and Stahl's ear etc. Even if some kinds of surgical treatments, such as cartilage graft, cartilage turn over and cartilage flap were reported for the correction of them but they were comlex and sometimes unsatisfactory. The method of inverted mattress suture to correct the cartilage deformities is not a new method and some authors reported it previously to correct ear cartilage deformities. Authors have tried to correct several kinds of congenital ear deformities, 2 constricted ears, 5 cryptotias, 2 stahl's ears. 1 satyr ear by using of simple inverted cartilage mattress suture and added Z-plasty or V-Y advancement to corrcet the auricular skin in each cases, respectively. The result was promising without recurrences during average 3 months folloe up periods. This method is immediative, simple, easy to perform and a very useful procedure for the correcton of congenital ear auricular cartilage deformities.
이지운,김성배,김상모,이창남,김상섭 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2(구조계)
Composite action can be achieved by providing shear connectors between steel top flange and concrete topping. Composite sections have larger stiffness than the summation of the individual stiffness of slab and beam, therefore, can carry larger load or similar loads with appreciably smaller deflection and are less prone to transient vibration. T-type Steel Composite beam(TSC-beam) is developed and tested. The test results of TSC beam are compared with the theoretical results based on composite actions.
TSC 합성보의 제작방법에 따른 구조적 거동에 관한 실험적 연구
이지운,김도훈,김성배,이창남,김상섭,김규석 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Composite action can be achieved by providing shear connectors between steel top flange and concrete topping. Composite sections have larger stiffness than the summation of the individual stiffness of slab and beam, therefore, can carry larger load or similar loads with appreciably smaller deflection and are less prone to transient vibration. T-type Steel Composite beam(TSC-beam) is developed and tested. To make the part of steel beam, we used the way of welding two steel plates as well as the way of folding one steel plate.
박거운,박철진,박일구,신지혜,정중화,배학연,김상용 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.2
Backgrounds: Thyroid nodule have been relatively common disease and it's prevalence estimated about 4-7%. Recently, high resolution ultrasonography has made the detection of small thyroid nodule possible, Increases in the detection of thyroid nodule have created a clinical dilemma on how to properly manage such thyroid nodules. We investigated the prevalence, clinical and ultrasonographic characterristics, and optimal diagnostic approach toward detected benign and malignant thyroid nodules. Methods: A retrosepctive review was undertaken on the 372 patients who was done Ultrasonograpy guided fine needle aspiration biopsy in Chosun University Hospital, Gwang-Ju, Korea between July 2003 and Spring 2005. Devided into four group such as benign and malignant thyroid nodule on the basis of size 1.5Cm. The review consisted of thyroid function test, antithyroid antibodies, thyroid autoantibodies, thyroid ultrasonography, fine needle aspiration biopsy in each group. Results: The prevalence of thyroid nodule malignancy rate was 18.0%. The prevalence of thyroid incidentaloma malignanct rate was 17.5%. There were no significant differences in age, sex, thyroid function test and size between the benign, malignant incidentalomas and nodule. Ultrasonographic characteristics, include ultrasonography index point showed meaningful diagnostic value for the detection of malignancy in thyroid nodule, Conclusion: Thyroid cancers are fairly common finding. There are no clinical difference between benign and malignant thyroid nodule; however, ultrasonographic findings can be used to decision of optimal management strategies 배경: 최근갑상선 초음파의 빈번한 시행으로 갑상선 결절의 발견이 증가하고 있다. 이러한 갑상선 결절중 특히 갑상션우연종을 임상적으로 어떻게 접근하고 치료를해야하는지는 적지 않는 문제가 되고 있다. 본 연구에서는 갑상선 우연종 및 직경 1.5 cm 이상의 갑상션결절의 유병률, 임상적 특징, 초음파특정 및 초음파의 진단적 유용성에 대해 알아 보았다. 방법: 2003년 7윌부터 2005년 3월까지 조선 대학교병원 내과 및 일반외과및 건강검진 센터를 통해 갑상선 초음파, 경동맥 초음파 및 경부 CT등을 통해 우연히 발견된 갑상션결절을 가진 372명을 대상으로 후향적 연구를 시행하였다. 크기 1.5 cm 미만의 양성및 악성 갑상선 결절군과 크기 1.5 cm 이상의 양성 및 악성결절로 그룹을 나누고 각 군에서 나이, 성별, 갑상선 기능검사, 항갑상선 항체, 갑상선 초음파 및 미세침흡인세포검사등을 검토하였고, 모든 갑상선 결절에 Koike (6)가 제한한 초음파지표 점수(Ultrasonographie index point)를 부여하여 각 군을 비교하였다. 결과: 분석한 갑상선 결절 372예 중 악성결절의 유병율은 18.0% (67예)였다. 갑상선 우연 종의 유병율은 81.5% (303예)였다. 갑상선 우연 종에서의 악성률은 17.5% (53예)로 나왔다. 크기 1.5 cm 이상의 양성 및 악성 갑상선 결절과 양성 및 악성 갑상선 우연종에서 나이, 성별, 갑상선 기능검사, 항갑상선항체에는 의미있는 차이가 없었다. 또한 양성 및 악성우연종에서 의 갑상선 결절크기에도 의미있는 차이는 보이지 않았다. 갑상선 결절의 초음파 지표점수만이 양성 및 악성우연종과 양성 및 악성갑상선 결절의 감별에 의미있는 차이를 보였다. 갑상 선우연종과 크기 1.5 cm 이상의 갑상선 결절에 서 양성을 나타내는 초음파지표점수는 각각 3 점과 4점으로 다르게 나타났다. 양성 및 악성 갑상선우연종의 감별에서 초음파 지표점수의 민감도는 93.6%, 특이도는 52.8%, 양성예측율은 92.4%로 나왔고, 진단적 효율은 86.4% 였으며 크기 1.5 cm 이상의 양성 및 악성 갑상선 결정의 감별에서 초음파지수 민감도는 92.7%, 특이도가 42.9%, 양성 예측도 86%, 효율 82.6%를 보였다. 결론: 갑상선결절에서의 양성 및 악성의 유무는 임상적으로 판단하기 힘들지만 갑상선 결절에서의 초음파 소견 및 초음파 지표 점수를 도입하면 이에 대한 감별에 도움을 줄 수 있다. 따라서 갑상선 초음파검사시 초음파지표점수의 사용은 향후 갑상선 결절의 진단 방향을 제시하는 중요한 길잡이가 될 수 있으리라 사료된다.
함세운,남기석,노혜진,홍경득,황래석,방지환,신형식 대한감염학회 2007 감염과 화학요법 Vol.39 No.4
목적 : 3차 의료기관에서 입원치료를 받았던 노숙자를 대상으로 감염성 질환의 유병율을 알아보고자 하였다. 재료 및 방법 : 2002년 1월부터 2004년 8월 사이에 국립의료원에서 입원 치료를 받았던 269명의 노숙자 환자들을 대상으로 의무기록을 조사하였다. 결과 : 연구 기간동안 입원치료를 받은 총 269명의 노숙자 환자 중 남자가 249명(92.9%), 여자가 19명(7.1%)이었다. 감염질환의 유병율은 B형 간염이 228명 중 15명(6.6%), C형 간염 113명 중 8명(7.1%), 결핵은 269명중 19명(7.1%), VDRL 양성인 경우는 234명 중 25명(10.7%), 항사람면역결핍바이러스항체 양성은 130명중 2명(1.5%)이었다. B형 간염표면항원에 대한 항체 형성자는 118명(51.7%), 항체 미형성자는 95명(41.7%)이었다. 결핵으로 진단된 19명 중 객담도말 및 배양검사와 조직검사로 확인된 경우가 14명, 균음성이나 임상적으로 의심되는 경우가 5명이었다. 간질환 및 관련된 합병증으로 입원한 환자 28명 중 B형 및 C형 간염바이러스에 관련된 경우는 5명(17.9%)에불과하였고 결핵은 19명중 13명(68.4%)이 폐결핵 및 림프절종대의 증상으로 입원치료를 받았다. 복합 감염의 경우는 총 9명이었는데 후천면역결핍증후군 환자였던 2명중 1명이 결핵에 이환되어 있으면서 VDRL 양성소견을 보였고 다른 1명이 HIV와 결핵의 동시감염이었다. 결론 : 노숙자 입원환자에서 결핵, C형 간염 및 매독의 유병율이 일반 인구에 비해 높았다. 노숙자환자를 담당하는 의료인력를 보호하고 환자의 감염질환 유무를 파악하기 위해 적절한 선별검사가 필요하며 감염질환의 확산을 방지하기 위한 정부의 적극적인 대책이 필요하다. Background : Despite the expected high prevalence of several infectious diseases among the homeless, a majority of them have not received screening test and early treatment. Materials and Methods : The subjects of this study were 269 homeless patients who had been hospitalized in the National Medical Center (Korea) between January 2002 and August 2004. Their medical histories and records were reviewed to analyze the prevalence and clinical characteristics of hepatitis B and C, syphilis, tuberculosis and HIV infection among them. Results : The entire 269 homeless patients being hospitalized during the period of this study consist of 249 male patients and 19 female patients. For the prevalence of infectious diseases, HBV was seen in 15 of 228 patients (6.6%); HCV in 8 of 113 patients (7.1%); VDRL positive in 25 of 234 patients (10.7 %); HIV antibody positive in 2 of 130 (1.5%); and tuberculosis in 19 of 269 (7.1%). The number of patients who had the antibody to hepatitis B was 118 (51.7%). Of 28 patients hospitalized with the chief complaints of liver diseases and/or their complications, the number of cases infected with hepatitis B and C viruses was only 5 (17.9%). On the other hand, for patients with tuberculosis, 13 of 19 cases (68.4%) were hospitalized with the chief complaints associated with symptoms of pulmonary tuberculosis or enlarged lymph nodes. The number of patients with multiple infectious diseases was 9 in total. Conclusion : As expected, the prevalence of some infectious diseases were higher among the homeless inpatients, than non-homeless population. Proper screening tests in order to determine the presence of any infectious diseases among the patients and protect involved medical staff are necessary. Further, the government should take proactive measures to prevent the spread of infectious diseases in the aspect of public health.
급성 신우신염이 선행된 Escherichia coli 농흉 1예
차치운,조준형,김미진,오윤정,연재우,이성규,오미정,채지영,김수연 대한감염학회 2009 감염과 화학요법 Vol.41 No.5
We experienced a case of acute pyelonephritis which progressed to Escherichia coli bacteremia and later complicated by empyema in a 65-year-old female. She was successfully treated with intravenous antibiotic therapy and percutaneous drainage of empyema.
프로스타글란딘 E₁에칠에스테르의 외용 리오겔 제제 설계
양성운,이진교,이지은,김희규,박혜숙,김종석,최한곤,용철순,최영욱 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.2
External lyogels containing prostaglandin E₁ethyl ester(PGE₁-EE), a produrg of prostaglandin E₁(PGE₁) as a therapeutic agent for erectile dysfunction, were formulated to overcome the aqueous instability and enhance the percutaneous absorption. Lyogels of PGE₁-EE were prepared with ethanol (EtOH)/proplyene glycol (PG) cosolvent system as a vehicle, cineol as an enhancer, and hydroxypropylcellusose as a gelling agent. In vitro percutaneous absorption studies were performed to determine the rate of PGE₁ absorption through rat or hairless mouse skin. The permeability of PGE₁-EE lyogel with enhancer was 16-fold greater than that of lyogel without enhancer. Cosolvent produced 9-fold increase in percutaneous absorption. Pharmacodynamic effects of lyogels were evaluated in mature male cats in terms of intracavernosal pressure (ICP). Lyogles containing 0.01% of PGE₁-EE showed higher ICP compared to intraurethral preparation of PGE₁(1%) and enhancer-free control lyogel. The shelf-life (t_(10%) of lyogel at refrigerated condition (4℃) was calculated as 928 days, which is 4.2 times longer than that of control hydrogel. As a result, PGE₁-EE was formulated successfully to a lyogel system with a selective enhancer and cosolvent system for the topical delivery of PGE₁.
김상운,오지영,靑木 由直 明知大學校 産業技術硏究所 1999 産業技術硏究所論文集 Vol.18 No.-
In this paper we implement a sign-language communication system using the intelligent image communication in order to provide the deaf-mute with participating in the multimedia information society. At first, we transform the input Korean text into their sign language images. Then, the images are encoded and transferred by intelligent method in real-time. At last, the received parameters are decoded intelligently by computer graphics techniques to reconstruct the sign language images. The proposed system is implemented with Windows NT Visual C++ 5.0 with Open Inventor library. Experimented results show that the system could be used efficiently.