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Choi, Young Deuk,Ham, Won Sik,Kim, Won Tae,Cho, Kang Su,Lee, Joo Hyoung,Cho, Soung Yong,Seo, Ju Wan,Jin, Ok Hyun Mary Ann Liebert 2009 Journal of endourology Vol.23 No.6
<P>PURPOSE: To evaluate the efficacy and safety of single-session OK-432 sclerotherapy for the treatment of renal cysts. MATERIALS AND METHODS: From October 2005 to November 2006, 48 patients (61 simple renal cysts) were included in the study. Indications were determined as flank discomfort (n = 37) or patient reassurance due to increasing size (n = 11). The simple renal cysts were aspirated under ultrasonography (US), at which point OK-432 was injected into the cyst. Follow-up was performed with US or computed tomography scan every 3 months until 1 year. Complete regression of the renal cyst or more than 70% reduction in size with no symptoms indicated a successful treatment. RESULTS: Among 61 renal cysts of 48 patients, the overall success rate was 98.4%. Complete regression occurred in 46 cysts (75.4%), and more than 90% reduction in size occurred in 6 cysts (9.8%). A size reduction of 80% to 90% and 70% to 80% occurred in five (8.2%) and three cysts (4.9%), respectively. A size reduction less than 70% occurred in only one cyst (1.6%). The success of cyst regression was correlated with cyst volume. Clinical symptoms resolved in 100% of patients with symptomatic cysts, and there was no enlargement of the aspirated cysts at the 1-year follow-up. After the procedure, there were only some minor complications, such as mild fever, flank pain, and leukocytosis, which subsided with the conservative treatment. CONCLUSIONS: Percutaneous OK-432 sclerotherapy is simple, safe, and effective, and it can be an alternative first-line therapy for simple renal cysts.</P>
Developing a Monitoring System for Toothbrushing
Ok Su Kim,Sang Woo Kim,Ji Sun Kim,Hong Ran Choi,Ok Joon Kim 대한구강악안면병리학회 2015 대한구강악안면병리학회지 Vol.39 No.2
Proper oral hygiene is required to maintain oral health and prevent oral disease. Toothbrushing is central to proper oral hygiene. Mechanical tooth cleaning is the mainstay of plaque control. A variety of toothbrushing techniques have been developed and evaluated for their efficacy. However, these evaluations are subjective. To adequately evaluate toothbrushing objectively, a novel toothbrushing monitoring system was developed. The system involves user-monitored brushing patterns including toothbrush motions using a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetic sensor, one load-cell and Bluetooth devices. To confirm the efficacy of this toothbrushing monitoring system, eight periodontist performed tooth brushing in a dental model, and their brushing motion was monitored and recorded, and evaluated by statistical means. The proposed monitoring system can be used to aid dental care personnel in toothbrushing instruction.
Bacterial Pathogens of Ventilator Associated Pneumonia in a Tertiary Referral Hospital
( Su Young Chi ),( Tae Ok Kim ),( Chan Woo Park ),( Jin Yeong Yu ),( Bo Ram Lee ),( Ho Sung Lee ),( Yu Il Kim ),( Sung Chul Lim ),( Yong Soo Kwon ) 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.73 No.1
Background: This study evaluates the bacterial pathogens of Ventilator-associated pneumonia (VAP) in a tertiary referral hospital. Methods: A total of 109 bacterial pathogens from 91 adult patients with VAP, who were admitted to the medical intensive care unit from January 2008 to December 2009, were examined. Clinical characteristics, bacterial pathogens, and resistance profiles were analyzed. Results: Staphylococcus aureus (44%) was the most frequently isolated. Acinetobacter baumanii (30%), Pseudomonas aeruginosa (12%), Stenotrophomonas maltophilia (7%), Klebsiella pneumoniae (6%), and Serratia marcescens (2%) were isolated from the transtracheal aspirates or bronchoalveolar lavage in patients with VAP. There was no significant difference of bacterial pathogens between early and late onset VAP. All isolated S. aureus were methicillin resistant S. aureus; the imipenem resistance rate of A. baumanii was 69%. Conclusion: The two most frequent pathogens of VAP were S. aureus and A. baumanii. There were no pathogenic differences between early and late onset VAP.
An Exploratory Study on the Determinants of Types of Disaster Management Manuals
Su Dong Kim,Sang Ok Choi 위기관리 이론과 실천 2019 Crisisonomy Vol.15 No.12
본 연구는 현장조치 행동매뉴얼을 구성하고 있는 조치목록과 협업수준이 현장조치 행동매뉴얼의 재난유형 결정에 미치는 영향에 대하여 논의하고자 하였다. 본 연구에서는 현장조치 행동매뉴얼자료 113개를 대상으로 요인분석을 실시하여 공통요인들로 구성된 조치목록 그룹을 도출하였다. 그리고 이러한 요인분석 결과를 반영하여 다항로짓분석 및 이항로짓분석을 수행하였다. 주요 분석결과는 다음과 같다. 다항로짓분석을 수행한 결과 자연재난과 비교하였을 때 협업기관의 수, 의료 및 보건 서비스, 복구활동 일반과 같은 변수들이 사회재난의 결정에 영향을 미치는 요인으로 나타났다. 그리고 자연재난과 비교하였을 때 협업기관의 수, 복구활동 일반과 같은 변수들이 주요상황의 결정에 영향을 미치는 요인으로 나타났다. 한편, 주요상황을 사회재난에 포함하여 이항로짓분석을 수행한 결과 사회재난 유형은 다항로짓분석의 결과와 유사하게 나타났다. 이처럼 본 연구는 재난관리 매뉴얼의 재난유형 결정 요인을 실증분석을 통하여 제시하였다는 점에서 의의가 있을 것이다. This study discussed the effect of the action lists and the level of collaboration on the determination of disaster type in the on-site action manual for disaster management. In this study, a factor analysis was performed on the data from 113 on-site action manuals to derive a group of action lists composed of common factors. Based on the results of the factor analysis, multinomial and binomial logistic regression analyses were performed. The main results are as follows: (1) The multinomial logistic regression analysis showed that, compared to natural disasters, the number of collaborative agencies, medical and health services, and general recovery activities affected the determination of the type of social disasters. (2) Compared to natural disasters, the number of collaborative agencies and general recovery activities were found to affect the determination of major situations. (3) When major situations were included into social disasters, the results of the binomial logistic regression analysis on the type of social disaster were similar to those of the multinomial logistic regression analysis. This study is valuable in that it shows the determinants of types of disaster management manuals through empirical analysis.
Kim, Do-Hee,Lee, Hyun-Jung,Choi, Gooi-Hun,Kim, Ok-Hyeon,Lee, Kwang-Gill,Yeo, Joo-Hong,Lee, Jun-Young,Lee, Sang-Hyung,Youn, Young-Chul,Lee, Jang-Han,Paik, Hyun-Dong,Lee, Won-Bok,Kim, Sung-Su,Jung, Hee- Korean Society for Food Science of Animal Resource 2009 한국축산식품학회지 Vol.29 No.2
Previous studies indicate that BF-7 enhances learning and memory in normal and elderly individuals. Here, we evaluated whether milk containing BF-7 (BF-7 milk) could improve the brain function, with thirty normal university students $(21{\pm}1.2 years)$. Two versions of the Paced Auditory Serial Addition Test were used under double-blinded conditions to measure the efficacy of BF-7 milk on learning and memory, especially working memory and attention, and on mathematical ability. As a result, BF-7 milk improved the accuracy of the task more than 3-fold. Furthermore, BF-7 milk protected cultured neuronal cells from 3-hydroxykynurenine, a normal endogenous brain stress agent. These results indicate that BF-7 milk enhances memory, attention and mathematical ability in normal persons.