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Go-Woon Kim,Younsuck Koh,Chae-Man Lim,Jin Won Huh,Sung-Ho Jung,Joon Bum Kim,Sang-Bum Hong 대한내과학회 2018 The Korean Journal of Internal Medicine Vol.33 No.1
Background/Aims: The use of extracorporeal membrane oxygenation (ECMO) is spreading rapidly, with successful procedures reported in the ECMO for Severe Adult Respiratory failure (CESAR) trial and treatment of the H1N1 pandemic. However, ECMO is associated with a high mortality rate. This study aimed to show that increased experience and improved teamwork through education may reduce the mortality rate associated with ECMO. Methods: A retrospective study was performed. Data were collected from January 1, 2009, to December 31, 2011. The data were divided into two periods: 2009/2010 (period 1) and 2011 (period 2). The protocol and training program were applied during period 2. Results: Seventy-six patients were included. The most common disease requiring ECMO support was pneumonia (43.4%). ECMO was applied within 7 days in 76.3% of patients. The primary outcomes, such as Intensive Care Unit (ICU) and hospital mortality rates, were higher during period 1 (91.3%) than period 2 (66.7%, p = 0.013). A multivariate analysis revealed that ECMO weaning failure was the only factor associated with ICU and hospital mortality (ICU mortality: hazard ratio [HR], 11.349; 95% confidence interval [CI], 1.281 to 100.505; p = 0.029; hospital mortality: HR, 17.976; 95% CI, 2.263 to 142.777; p = 0.006). Conclusions: The mortality rate associated with the ECMO procedure decreased following the ECMO training program. However, applying the training program to ECMO management is not an independent factor for the mortality rate. Further studies should be performed to help reduce the mortality rate associated with ECMO.
치과위생사의 핵심기본치위생역량술에 대한 숙련요구도 조사
채성현 ( Seong-hyeon Chae ),노희진 ( Hie-jin Noh ),정고운 ( Go-woon Jeong ),김하나 ( Ha-na Kim ),맹혜민 ( Hye-min Maeng ),조윤상 ( Yun-sang Cho ),박지영 ( Ji-young Park ),팽경원 ( Kyeong-won Paeng ),현지희 ( Jee-hee Hyun ) 한국치위생학회(구 한국치위생교육학회) 2016 한국치위생학회지 Vol.16 No.5
Objective: The purpose of the study is to investigate clinical skill proficiency in core dental hygiene competency in dental hygienists. Methods: The study subjects were 208 dental hygienists in Seoul and Gyeonggido. A complete self-reported questionnaire was filled out by 171 dental hygienists. The questionnaire consisted of general characteristics of the subjects, assessment of core dental hygiene competency, implementation of core dental hygiene competency, and education of core dental hygiene competency. Data were analyzed by PASW Statistics 18.0 to carry out a frequency analysis, one-way ANOVA and Pearson`s correlation. Results: Chief complaint confirmation(4.08±0.91), scaling (ultrasonic scaler)(4.36±0.88), and toothbrushing education(4.35±0.86) were found to be the most important in the areas of dental hygiene assessment, implementation, and education, respectively. In dental hygiene education, statistically significant differences were identified by ‘level of education,` ‘working career,` ‘type of workplace,` ‘department,` and ‘main task.` Conclusions: Respondents were found to think that their level of proficiency should be above average for most jobs. Proficiency in core competency was shown to be different according to ‘general characteristics of dental hygienists,` ‘type of workplace,` and ‘department.`
Bioalcohol Production with Microalgae, Microcystis aeruginosa
Jong Deog KIM(김종덕),Go Woon CHAE(채고은),Hyo Jin SEO(서효진),Narendra Chaudhary(차우드리 나렌드라),Yang Ho YOON(윤양호),Tai Sun SHIN(신태선),Min Yong KIM(김민용) 한국생물공학회 2012 KSBB Journal Vol.27 No.6
The microalgae, Microcystis aeruginosa are able to proliferate in a wide range of freshwater ecosystem. M. aeruginosa was cultivated in 25 L and 240 L race-way reactor containing modified medium with added urea 0.2 g/L, increased Fe<SUP>+2</SUP>, and decreased Ca<SUP>+2</SUP>ion compared to BG11 medium. Sugar contents of M. aeruginosa grown in BG11 medium, and modified medium were 120 mg/mL and 140 mg/mL respectively. Fermentation was conducted with the extract of M. aeruginosa at 30℃ for 30 h, using Saccharomyces cerevisiae (Sc), Pichia stipitis (Ps), Zymomonas mobilis (Zm), and mixed-culture of these strains (Sc + Ps +Zm). Pichia stipitis (0.7%) was found to be more suitable for producing bioalcohol from M. aeruginosa extract than other strains of Saccharomyces cerevisiae (0.45%) and Zymomonas mobilis (0.61%), while mixed-cultured of these strains showed higest productivity by 1.75%. Biomass of M. aeruginosa contains the potency to be the most renewable resource for bioalcohol fermentation.
Bioalcohol Production with Microalgae, Microcystis aeruginosa
김종덕,채고은,서효진,차우드리 나렌드라,윤양호,신태선,김민용,Kim, Jong Deog,Chae, Go Woon,Seo, Hyo Jin,Chaudhary, Narendra,Yoon, Yang Ho,Shin, Tai Sun,Kim, Min Yong The Korean Society for Biotechnology and Bioengine 2012 KSBB Journal Vol.4 No.3
The microalgae, Microcystis aeruginosa are able to proliferate in a wide range of freshwater ecosystem. M. aeruginosa was cultivated in 25 L and 240 L race-way reactor containing modified medium with added urea 0.2 g/L, increased $Fe^{+2}$, and decreased $Ca^{+2}$ion compared to BG11 medium. Sugar contents of M. aeruginosa grown in BG11 medium, and modified medium were 120 mg/mL and 140 mg/mL respectively. Fermentation was conducted with the extract of M. aeruginosa at $30^{\circ}C$ for 30 h, using Saccharomyces cerevisiae (Sc), Pichia stipitis (Ps), Zymomonas mobilis (Zm), and mixed-culture of these strains (Sc + Ps + Zm). Pichia stipitis (0.7%) was found to be more suitable for producing bioalcohol from M. aeruginosa extract than other strains of Saccharomyces cerevisiae (0.45%) and Zymomonas mobilis (0.61%), while mixed-cultured of these strains showed higest productivity by 1.75%. Biomass of M. aeruginosa contains the potency to be the most renewable resource for bioalcohol fermentation.