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기윤경,오현정,김은진,박경숙,한승규,한인미,윤창윤,이은영,주영수,김대영,이미정,박정탁,한승혁,유태현,김범석,강신욱,최규헌 연세대학교의과대학 2015 Yonsei medical journal Vol.56 No.3
Purpose: Continuous renal replacement therapy (CRRT) has been established for critically ill acute kidney injury (AKI) patients. In addition, some centers consist of a specialized CRRT team (SCT) with physicians and nurses. To our best knowledge,however, ona a few studies have yet been carried out on the superiority of SCT management. Materials and Methods: A total of 551 patients, who received CRRT between January 2008 and March 2009, were divided into two groups based on the controller of CRRT. The impact of the CRRT management on 28-day mortalitywas compared between two groups by Kaplan-Meier curve and Cox analysis. Results: During the study period, the number of filters used, down-time per day, and intensive care unit length of day were significantly higher in non-SCT group than in SCT group (6.2 hrs vs. 5.0 hrs, p=0.042; 5.0 hrs vs. 3.8 hrs, p<0.001; 27.5 days vs. 21.1 days, p=0.027, respectively), while net ultrafiltration rate was significantlylower in non-SCT group than SCT group (28.0 mL/kg/hr vs. 29.5 mL/kg/hr, p=0.043, respectively). In addition, 28-day mortality rate was significantly lower in SCT group than with non-SCT group (p=0.031). Moreover, Cox regression analysisshowed that 28-day mortality rate was significantly lower in SCT control group, even after adjusting for age, gender, severity scores, biomarkers, risk, injury, failure, loss, and end-stage renal disease, and contributing factors (hazard ratio 0.91, p=0.046). Conclusion: A well-trained CRRT team could be beneficial for mortality improvement of AKI patients requiring CRRT.
황미선,기윤경,차승라,오창근,지국섭,김동훈,박미숙,김정호,윤영주,김광원 朝鮮大學校 口腔生物學硏究所 1999 口腔生物學硏究 Vol.23 No.2
In most individuals, the permanent teeth will be erupt uneventfully and replace their primary successors. However, sometimes teeth fail to erupt. Most of these unerupted teeth are diverted or angulated aberrantly and eventually lose their potential to erupt. It is referred to as impacted teeth. These teeth are not hopeless; it is possible to use the remaining teeth as anchorage, surgically uncovered the impacted tooth, and orthodontically move the tooth into the arch. The specific surgical procedure and the orthodontic mechanics, however, will vary depending upon the type of tooth and its position relative to the remaining erupted teeth. This study identifies the most commonly impacted teeth and discusses the causes of impaction and describer the various surgical procedures to uncover these teeth, and illustrates the orthodontic mechanics used to erupted the teeth into proper alignment and occlusion.
모신엽,기윤경,차승라,오창근,지국섭,김동훈,박미숙,김정호,윤영주,김광원 朝鮮大學校 口腔生物學硏究所 1999 Oral Biology Research (Oral Biol Res) Vol.23 No.2
Dental care providers are routinely exposed to multitude of bacteria, viral, fungal and other microbial pathogens during patient treatment. Adequate attention to prevention of cross-contamination in the dental operatory has largely been ignored by orthodontists. This has occurred because orthodontic procedures are usually nontissue invasive. Unfortunately, orthodontists have the second highest incidence of hepatitis B among dental professionals. The purpose of this study is to empathize th infection control through the visualization of the bacteria in contaminants. We certified that there are high possibility of contact with the infection source during treatment. Our goals should be to reduce the number of pathogenic organisms to a level at which our own body resistance may prevent infection and to break the circle of infection by elimination cross-contamination. We are not attempting to maintain the sterility of the instruments. We are sterilizing to break the pathway of contamination between patient to patient, patient to doctor.