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이건일,정영건,권오진 효성여자대학교 부설 한국환경위생연구소 1992 환경위생연구 Vol.2 No.1
본 실험은 일반가정의 식탁에서 흔히 볼 수 있는 향신료 및 야채류 14종에 대해 3주의 gram양성 및 4주의 gram 음성균의 성장에 미치는 영향을 조사하였다. 공시균의 NaCl에 대 한 내성은 Lactobacillus casei, Staphylococcus aureus, Enterobacter aeroge-nes는 7%의 NaCl에서도 성장하여 내성이 강하였고, 그외의 공시균은 5-7%의 NaCl에서 성장저해효과가 있었다. 열저항성은 75℃이상%서 공시균의 성장이 억제되어 85℃에서는 Bacillussubtilis, Enterobacter aerogenes를 제외한 공시균은 성장이 완전히 저해되었다. 항생물질의내성은 Pseudomonas aeruginosa가 본 실험에 이용된 모든 항생물질에서 MIC가 400 mg/ml로나타나 개성이 가장 강하였으며 Shigella sp.은 MIC가 100 mg/ml로 내성이 가장 약하였다.마늘에서는 Pseudomonas aeruginosa를 제외 한 모든 공시균에서 , 엽차에서는 Bacillus subtilis,Klebsiella pnewmoniae, Shigella sp.에서, 쑥에서는 Staphylococcus aureus, Enterobacter aeroge-nes, Klebsiella pneumoniae, Pseudomonas aeruginosa, Shigella sp.에서 각각 항균작용이 있었으며, 생육저해 농도는 마늘은 0.5-0.4%, 엽차는 4.0-5.0%, 쑥은 2.0-10.0%로 나타났다. This study was carried out to investigate the influence of food spi-ces and vegetables, which are commonly avaible on the dining table everyday,on bacteria growth. Total 14 kinds of food spices and vegetables were sampledin Kyungsan market in Kyungsan city. 7 strains of bacteria were used in thisexperiment as test strains which were 3 strains of Gram positive bacteria (Bacil-lus subtilis,Lactobacillus casei and Staphylococcus aureus) and Gram negative4 strains (Enterobacter aerogenes, Klebsiella pneumoniae, Pseudomonas aerugi-nosa and Shigella sp.) . The results summerrzed were as ronows: 1. The growth of all test strains except Pseudomonas aeruginosa was inhibi-ted by water extracts of raw garlic with concentrations ranging 0.5% to 4.0%. 2. Bacilus subtilis, Klebsiella pnewmoniae and Shigella sp. where not grownin tea with concentrations ranging 4.0% to 5.0%. 3. Water extracts of wormwood also interfered all strains growth exceptBacillus subtilis of which inhibitory concentrations were ranged 2.0% to 10.0%. 4. In susceptibilities of test strains to NaCl solutions the most sensitivestrain was Bacillus subtilis while Enterobacter aerogeneg was showed strongresistance to each different concentration of this solution. Almost the growthof test strains except Enterobacfer aerogenes were inhibited in over 4% of thissolution. 5. GeneraIBy all of test strains were resisted to penicillin G whereas theyall were susceptible only to streptomycin. Shigella sp. was markedly sensitiveto all of antibiotics used in this experiment and MIC of this strain to them was100 mg/ml while Pseudomonas aeruginosa was strongly tolerable to the all ofantibiotics and its MIC to them was 100+ mg/ml. 6. Bacillus subtilis and Enterobacter aerogenes were able to grow until85℃ in gradually increasing temperature.
Gun-Ill Lee,백광흠,전형준,최규선 대한척추신경외과학회 2016 Neurospine Vol.13 No.2
Objective: We conducted this study to report the efficacy of local application of vancomycin powder in the setting of surgical site infection (SSI) of posterior lumbar surgical procedures and to figure out risk factors of SSIs. Methods: From February 2013 to December 2013, SSI rates following 275 posterior lumbar surgeries of which intrawound vancomycin powder was used in combination with intravenous antibiotics (Vanco group) were assessed. Compared with 296 posterior lumbar procedures with intravenous antibiotic only group from February 2012 to December 2012 (non-Vanco group), various infection rates were assessed. Univariate and multivariate analysis to figure out risk factors of infection among Vanco group were done. Results: Statistically significant reduction of SSI in Vanco group (5.5%) from non-Vanco group (10.5%) was confirmed (p=0.028). Mean follow-up period was 8 months. Rate of acute staphylococcal SSIs reduced statistically significantly to 4% compared to 7.4% of non-Vanco group (p=0.041). Deep staphylococcal infection decreased to 2 compared to 8 and deep methicillin-resistant Staphylococcus aureus infection also decreased to 1 compared to 5 in non-Vanco group. No systemic complication was observed. Statistically significant risk factors associated with SSI were diabetes mellitus, history of cardiovascular disease, length of hospital stay, number of instrumented level and history of previous surgery. Conclusion: In this series of 571 patients, intrawound vancomycin powder usage resulted in significant decrease in SSI rates in our posterior lumbar surgical procedures. Patients at high risk of infection are highly recommended as a candidate for this technique.
Gun-Ill Lee,이형중,최규선,Myung-Hoon Han,Hyoung-Soo Byoun,이병로 대한뇌혈관외과학회 2015 Journal of Cerebrovascular and Endovascular Neuros Vol.17 No.3
Objective:Terson's syndrome, a complication of visual function, has occasionally been reported in patients with aneurysmal subarachnoid hemorrhage (SAH), however the factors responsible for Terson's syndrome in aneurysmal SAH patients have not yet been fully clarified. In this study, we report on potential risk factors for prediction and diagnosis of Terson's syndrome in the earlier stage of the disease course in patients with aneurysmal SAH. Materials and Methods:The authors retrospectively analyzed the data of 322 consecutive patients who suffered from aneurysmal SAH in a single institution between Jan. 2007 and Dec. 2013. Medical records including demographics, neurologic examination, and radiologic images were collected to clarify the risk factors of Terson's syndrome. Patients with visual problem were consulted to the Department of Ophthalmology. Results:Among 332 patients with aneurysmal SAH, 34 patients were diagnosed as Terson's syndrome. Four individual factors, including World Federation of Neurosurgical Societies (WFNS) grade at admission, aneurysm size, method of operation, and Glasgow outcome scale showed statistically significant association with occurrence of Terson's syndrome. Of these, WFNS grade at admission, aneurysm size, and method of operation showed strong association with Terson's syndrome in multivariate analysis. Terson's syndrome accompanied by papilledema due to increased intracranial pressure led to permanent visual complication. Conclusion:In patients with aneurysmal SAH, the patients' WFNS grade at admission, the size of the aneurysms, particularly the diameter of the aneurysm dome, and the method of operation might influence development of Terson's syndrome.
Sporadic Hemangioblastoma in the Pituitary Stalk : A Case Report and Review of the Literature
Lee, Gun-Ill,Kim, Jae-Min,Choi, Kyu-Sun,Kim, Choong-Hyun The Korean Neurosurgical Society 2015 Journal of Korean neurosurgical society Vol.57 No.6
Hemangioblastomas in the pituitary stalk are especially rare. Most pituitary stalk hemangioblastomas reported in the literature were associated with von Hippel-Lindau (VHL) disease. Here, we report only the 3rd case of sporadic pituitary stalk hemangioblastoma diagnosed in a 60-year-old woman. Despite the danger of potential complications due to excessive vascularity or proximity to important neural structures, the tumor in our case was successfully removed while preserving pituitary function. In this case, complete surgical excision was shown to be an effective treatment option for symptomatic pituitary stalk hemangioblastoma, and we suggest careful evaluation of any highly enhancing mass with a signal void in the pituitary stalk preoperatively, even if no VHL disease is evident.
장기간 강우-유출 모의를 통한 합류식하수관로시스템의 월류부하량 저감목표 설정 연구
이건영(Gun Young Lee),나용운(Yong Un Na),류재나(Jae Na Ryu),오재일(Je Ill Oh) 大韓環境工學會 2013 대한환경공학회지 Vol.35 No.11
합류식하수관로시스템에서 강우시 유출수는 관로내 퇴적물과 지표면 세척효과에 의한 오염물질 등이 혼합되어 하천으로 방류되기 때문에 방류수계에 화학적·물리적·생물학적으로 상당한 문제를 야기하지만, 현재 국내에서는 CSOs의 오염부하량 관리기준을 결정함에 있어 통일된 방법론이 부재한 실정이다. 이에 따라 본 연구에서는 우수유출모형을 활용한 장기간 CSOs 유량-수질모의를 통하여 CSOs의 오염부하량 저감목표를 설정하고자 한다. 이를 위하여 국내외 CSOs 관리기준을 검토하였으며, 그 결과 연간 총 월류부하량 및 발생빈도를 총 2단계로 구분하여 관리하고, 1단계에서는 60%, 2단계에서는 85%를 저감하는 것을 목표로 설정하였다. 도출된 저감 목표 기준을 대상지역에 적용하여 장기간(최소 10년간)의 CSOs 발생 모의를 바탕으로 분석한 결과, BOD 월류부하량 저감목표는 1단계 1,123 kg, 2단계 2,374 kg이었으며, 목표 달성을 위해 대응해야 할월류량은 1단계 11,685 m3, 2단계 24,701 m3으로 나타났다. Combined sewer overflows during rainfall events contain sewer sediments and surface pollutants. This can cause significant chemical, physical and biological problems to receiving watershed. However, there are no method that can commonly apply to decide criteria for controlling the pollutant load. In this study, it sets up the reduction goals of combined sewer overflow through long-term simulation using the rainfall-runoff model. From a review of domestic and foreign management standard of combined sewer overflow for this, it makes decision that 60% (phase 1), 85% (phase 2) of total pollutant load and frequency per year for reduction goals is more proper. Also, the result of analyzing long-term simulation (minimum 10 years) applied to research basin indicates that reduction goals of BOD pollutant load are 1,123 kg (phase 1) and 2,374 kg (phase 2), and overflow volumes for research objective achievement are 11,685 m3 (phase 1) and 24,701 m3 (phase 2).