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( Myung Jin Lee ),( Kye Hyung Kim ),( Jong Youn Yi ),( Su Jin Choi ),( Chung Jong Kim ),( Nak Hyun Kim ),( Kyoung Ho Song ),( Pyoeng Gyun Choi ),( Ji Hwan Bang ),( Wan Beom Park ),( Eu Suk Kim ),( San 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
In Vitro Antiviral Activity of Ribavirin Against Severe Fever with Thrombocytopenia Syndrome Virus Myung Jin LEE1, Kye-Hyung KIM1, Jongyoun YI2, SuJin CHOI1, Chung-Jong KIM1, Nak- Hyun KIM1, Kyoung-Ho SONG1, Pyoeng Gyun CHOI1, Ji-Hwan BANG1, Wan Beom PARK1, Eu Suk KIM1, Sang-Won PARK1, Hong Bin KIM1, Nam Joong KIM1, Myoung- Don OH1 Seoul National University College of Medicine, Korea1, Pusan National University School of Medicine, Korea2 Background: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease caused by a novel Bunyavirus, severe fever with thrombocytopenia syndrome virus (SFTSV). No effective antiviral therapy is proven yet, but clinical use of ribavirin (RBV) has been tried. We investigated the antiviral effect of RBV against SFTSV in vitro. Methods: To test for cytotoxicity of RBV, Vero cells were treated with different concentrations of RBV (3.90 to 500 μg/mL, two-fold dilution) and analyzed by cell viability MTS assay 48h post-infection. To determine antiviral activity of RBV against SFTSV, Vero cells were infected with SFTSV strain Gangwon/Korea/2012 at 100 TCID50 (50% tissue culture infective dose) per well in a 96-well plate, and RBV was added at the concentrations showing no or minimal cytotoxicity. Viral RNAs were extracted from the culture supernatants and quantifi ed using one-step real-time reverse transcription- PCR to amplify the partial large segment of SFTSV. Statistical analysis was done by one-way ANOVA with Tukey`s post hoc test. Results: Cytotoxicity due to RBV was not observed at RBV concentration =31.3 μg/ mL. Viral RNAs at 24h post-RBV treatment were reduced with increasing RBV concentrations (1-32 μg/mL), compared with those of mock-treated cells (P <0.01, Figure). Half maximal inhibitory concentration (IC50) of RBV was 3.69 μg/mL at 24h post-RBV treatment. Conclusions: Our study shows that RBV has antiviral effect against SFTSV in a dose-dependent manner. Further studies are required to evaluate the effi cacy of RBV in SFTS.
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이원호,윤현도,강대언,송한범,태경훈,박완신 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Ductile coupled flexural wall is the primary seismic load resisting system of buildings. In these systems, connections are generally headed stud bolt connection. The purpose of experimental study is to evaluate the seismic behavior of these connection under cyclic loading. A comprehensive experimental test involving 4 specimens has been performed and this program is used to study the effect of value of moment and edge distance. Through experimental test, the seismic behavior of typical headed stud bolt connections was established.
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김태완,송호용 忠北大學校師範大學附設 平生體育硏究所 1993 平生體育硏究所 論文集 Vol.6 No.-
The research the factors of anxiety in a shooting game, and find out the solution of this anxiety I have put some questions to 160 male and female shooters-4 each team which consists of middle and high school shooters in the country, who consist in 40 teams. I have analyzed the questions and come to a conclusion; 1. The greatest cause of anxiety just before a shooting game is the player's care of his record and pressure of the game itself. And the best way the players use to decrease their anxiety is to think how to manage their game, and the second commonest is to think anything but game and the third is to say their prayers. 2. The players become the most anxious, when their records go up or down suddenly during the game, and secondly, when they have many spectators at their back, and thirdly, when they feel there's no time left. It has appeared that most players have taken deep breaths to get away from these troubles. 3. The most mistakes the players make, when anxious, during the game, is to delay of firing time and they are not greatly influenced by surroundings. 4. There is not a particular position the players prefer during shooting. However they and unwilling to shoot from some positions such as the front of the middle head seats, a position beside a pilla. 5. Each player has 11~20 shots on his trial firing, and the feels the greatest anxiety when he fires the first shot on record. And he restores his own pase with anxiety decreased about the time when the 1st set is finished. 6. It has appeared that the players can play the best without any burden when they find out that there is no familiar face among the spectators and the reason each player lood up many spectators at his back the question about spectators who are at his back. 7. During the game, most players become tenser than optimal level and their records are 1~5 points lower than training resords. 8. Among all the players it has appeared. they do best when they become a little anxious.
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林大銑,宋圭鉉,朴敬浩,朴暎緖,李玩永 中央醫學社 1963 中央醫學 Vol.5 No.4
A case of secondary aspergillosis of the left maxillary sinus following chronic sinusitis in a 42 year old male coal miner specialist is reported. His chief complaints were nasal obstruction and postnasal drip of several years duration. Roentgenogram revealed marked and moderate shadow in the left and right maxillary sinuses respectively. Significant operative findings included almost paper-thin bony walls of the left maxillary sinus, and small amount of yellow greenish purulent material was drained, followed by yellowish brown semisolid tissue on further curettage. The latter specimen was found to be essentially mass of fungi, showing numerous distinctly septate, branching hyphae on the Papanicolaou stain of the direct smears of the cut surface of the specimen, and Hematoxylin-Eosin and Periodic Acid Schiff stains of paraffin sections. Pertinent aspects of clinical and pathological differential diagnosis between aspergillosis - and mucormycosis, are described. Aspergillosis presents usually benign course, with insignificant chief complaints as our case, whereas mucormycosis is most frequently associated with uncontrollable diabetics, and run usually acutely fatal course. There are three main types of ucormycosis-cerebral, pulmonary and intestinal. The characteristic broad nonseptate branching hyphae of mucor, and marked affinity to the blood vessels,, penetrating the tough walls of arteries, with thromboses and infarction, readily differentiate aspergillosis from mucormycosis.
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방지환,송경호,박완범,김성한,조재현,김홍빈,김남중,오명돈,최강원 대한감염학회 2006 감염과 화학요법 Vol.38 No.6
목적 : 이전 연구들에 따르면 아직까지 국내에서 불필요한 항생제 사용은 무시할 수 없는 수준이며, 특히, 수술환자들에 대한 예방적 항생제 투여가 문제로 지적되고 있다. 많은 병원에서 불필요한 항생제 처방을 제한하려는 노력을 하고 있지만 구체적인 현황에 대한 자료는 적은 실정이다. 이에 본 연구자 등은 국내 의료기관의 항생제 규제 시스템의 현황과 수술시 예방적 항생제 사용의 적정성을 알아보고자 한다. 재료 및 방법 : 전임 감염내과 전문의가 근무하는 의료기관 55곳에 대해 설문조사를 시행하였다. 설문의 내용은 적정한 항생제 사용을 유도하기 위한 정책 및 규제 프로그램, 실제 각 의료기관의 예방적 항생제 사용 현황 등으로 이루어져 있다. 결과 : 55개의 의료기관에 보낸 설문 중 44개가 회수되었다. 회신한 의료기관에서 항생제 처방 관리는 제한항생제 시스템을 가장 많이 이용하고 있었고(95.5%), 항생제에 대한 교육(79.5%), 전산시스템에서 관리(59.1%), 감염내과에 의뢰(54.5%), 항생제 사용 실적 검토(52.3%) 등의 순이었다. 대개의 병원에서 glycopeptides (100.0%), carbapenems (93.0%), quinupristin/dalfopristin 또는 linezolid(93.0%), 4세대 cephalosporin (74.4%), caspofungin 또는 voriconazole (62.8%), liposomal amphotericin B (60.5%) 등을 제한항생제로 분류하여 관리하고 있었다. 모든 의료기관에서 위절제술 및 유방절제술시에 불필요하게 예방적 항생제를 사용하고 있었다. 슬관절치환술의 경우 2세대 cephalosporin을 예방적으로 사용하는 경우가 가장 많았으며(30.2%), 관상동맥우회술의 경우 3세대 cephalosporin을 예방적으로 사용하는 경우가 가장 많았다(47.2%). 예방적 항생제의 투여 기간을 살펴보면 위절제술시 70.5%에서 4일을 초과하여 사용하고 있었고, 유방절제술시에는 63.6%에서, 슬관절치환술시에는 81.8%에서, 관동맥우회술시에는 81.1%에서 4일을 초과하여 장기간 예방적 항생제를 투여하고 있었다. 한편, 예방적 항생제 투여시 aminoglycoside계 항생제를 병용하는 경우도 많았다. 결론 : 아직까지 국내 의료기관에서 항생제 오남용을 막기 위한 노력이 더 필요할 것으로 생각되며, 특히 수술시 예방적 항생제의 올바른 투여에 많은 관심이 필요하다. Background : Previous studies in Korea showed that unnecessary antibiotic use could not be neglected, especially in prophylactic use. Currently many hospitals employ diverse antibiotic stewardship programs, but there are few studies on surveillance of such programs. So, we planned this study to evaluate current status of antimicrobial stewardship and adequacy of antimicrobial prophylaxis in surgery. Materials and Methods : We sent questionnaires about policy on antibiotic usage, control program for adequate antibiotic prescription, and actual status of prophylactic antibiotic usage to 55 infectious disease physicians in each hospital. Results : Of 55 contacted infectious diseases clinicians, 44 answered the questionnaire. Majority of hospitals employed restricted antimicrobial system (95.5%), education (79.5%), control by order communicating system (59.1%), consult to infectious disease physicians (59.1%), and review of cumulative antimicrobial usage (52.3%) to prevent inadequate antibiotic use. Glycopeptides were designated as a restricted antimicrobial agent in 100.0% of hospitals; carbapenems, 93.0%; quinupristin/ dalfopristin or linezolid, 93.0%; the 4th generation cephalosporins, 74.4%; caspofungin or voriconazole, 62.8%; liposomal amphotericin B, 60.5%, and so on. Unnecessary perioperative prophylactic antimicrobial agents were prescribed in gastrectomy and mastectomy in all the hospitals. The second generation cephalosporins and the third generation cephalosporins were the most commonly prescribed prophylactic antimicrobial agents in total knee replacement arthroplasty (TKRA) and coronary artery bypass graft surgery (CABG) respectively. In 70.5% of institutes they use prophylactic antimicrobial agents more than four days in gastrectomy; 63.6% in mastectomy; 81.8% in TKRA; 81.1% in CABG. Unnecessary combination of aminoglycosides with other antimicrobial agents for prophylactic use was another common problem. Conclusion : This study shows that more effort is required to diminish antimicrobial misuse or overuse, especially in prophylactic use for surgical patients.
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Sang Sun Lee,Won Yu Kang,Dong In Nam,Il Hyung Jung,Chung Kang,Hong Ju An,Ho Yeong Song,Hoon Kang,Sang Cheol Cho,Sun Ho Hwang,Wan Kim 조선대학교 의학연구소 2014 The Medical Journal of Chosun University Vol.39 No.2
May-Thurner syndrome is associated with deep vein thrombosis resulting from chronic compression of the iliac vein against the lumbar vertebrae caused by the overlying common iliac artery. Stent insertion into the compressed lesion is used in treatment of May-Thurner syndrome. Various complications can occur during angioplasty while using a stent. Among these complications, shrinkage of the vein below the stent, a rare complication, was observed in our hospital during treatment of a patient with May-Thurner syndrome. Different complications can occur when venous angioplasty is performed, unlike that when arterial angioplasty is performed.
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( Ho June Song ),( Se Jin Jang ),( Dong Wan Seo ),( Sang Soo Lee ),( Kee Don Choi ),( Gin Hyug Lee ),( Hwoon Yong Jung ),( Jin Ho Kim ) 대한소화기학회 2007 SIDDS Vol.9 No.-
Background/Aims: Unlike the high diagnostic accuracy of EUS-FNA/CB (EUS-guided fine needle aspiration or core biopsy) in mediastinal lesions, the diagnostic values in granulomatous diseases have been lacking. This study is aimed to assess diagnostic yields of EUS-FNA/CB in undetermined mediastinal lesions and the usefulness for differentiation of granulomatous diseases in a tuberculosis high-prevalent region. Methods: Seventy-three consecutive cases with undetermined mediastinal lesions were enrolled. Linear echoendo-scope and 22-gange aspiration or 19-gauge Trucut biopsy needle were used. Final diagnoses were determined by EUS-FNA/CB histology, surgical pathology, and clinical follow-ups. Results: Indications to EUS- FNA/CB were for histologic confirmation of CT-detected abnormal findings in 41 and for metastatic staging of proven malignancies in 32 cases. Twelve patients (16.4%) had a history of intra-thoracic tuberculosis median 12.5 years before (range, 1-50). Notably, ten of 39 patients (25.6%) with lung cancer presented a past history of pulmonary tuberculosis. FNA/CB was performed by mean 3.4 passes with six minimal complications. Overall diagnostic yield was 83.6% (61/73). The values were at 90.4% (47/52) in malignancy-associated cases, 87.2% (34/39) in lung cancer-associated, 84.8% (28/33) in histologic staging of proven malignancies, and 81.5% (22/27) in nodal staging of lung cancer. Twelve granulomatous diseases, tuberculosis in eight and sarcoidosis in four, were diagnosed. Confirmative differentiation was achieved in 66.7% and positive bacteriologic results for tuberculosis obtained at 50%. EUS-FNA/CB could direct clinical decisions at 85.0% (17/20) in patients with a past or present history of tuberculosis, which included seven of eight those investigated for nodal staging of lung cancer. Conclusions: EUS-FNA/CB showed indispensable diagnostic values for differentiation of granulomatous diseases, as well as for verification of undetermined mediastinal lesions.
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