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김은희,김철규,이순교,김순덕,이혜옥,권정순,이경미,이민미,심순미,유용만,신종식,강은희,이상일,김병식,오성태,육정환,박수길 한국의료QA학회 2003 한국의료질향상학회지 Vol.10 No.2
Background : Gastric cancer is the most common malignant tumor in Korea. surgical operation is one of the major treatment modalities for gastric cancer patients. Therefore, gastrectomy is one of the most common procedures in General Surgery. There were variation in length of hospital stay and medical treatment for gastrectomy between three surgeons at Asan Medical Center. Clinical pathways have received considerable attention as a tool for recucing the medical practice variation, increasing the efficiency of care process, and improving the quality of care. The aim of this study was to evaluate the effect of a clinical pathway for gastrectomy in gastric cancer patients. Methods : The clinical pathway for gastrectomy was developed and implemented by a multidisciplinary group in Asan Medical Center. A computerized clinical pathway program was developed and revised after a pilot test. A total of 145 patients underwent gastrectomy by three surgeons at Asan Medical Center. We compared the length of hospital stay, patient satisfaction, and unplanned readmission rate between the pre-pathway group(n=67) and the post-pathway group(n=78). We also investigated the degree of satisfaction among the physicians and nurses who were main end-users of the clinical pathway. Results : The clinical pathway was applied to all target patients. The average length of hospital stay was shortened from 12.7days to 10.6days(p<0.01). The degree of patient satisfaction with the care process changed from 90.3% to 89.2% after the implementation of the clinical pathway, but the difference was of satistically significant(p=0.761). Unplanned readmission rate was 2.9% in the pre-pathway group. More than 90% of physicians and nurses answered that the clinical pathway had been a useful tool in their medical practice. Conclusions : The findings of the study demonstrated that implementation of the clinical pathway for gastrectomy produced substantial reduction in the length of hospital stay while improving the quality of patient outcomes. The computerized clinical pathway program can be used as one of the powerful patient management tools for reducing the practice variations and increasing the efficiency of care process in Korea hospital settings.
( Eun-gyo Jeong ),( Sung Shim Cho ),( Sang-hoon Lee ),( Kang-min Lee ),( Seo-kyung Woo ),( Yoongoo Kang ),( Jae-seung Yun ),( Seon-ah Cha ),( Yoon-jung Kim ),( Yu-bae Ahn ),( Seung-hyun Ko ),( Jung-mi 대한내과학회 2018 The Korean Journal of Internal Medicine Vol.33 No.5
Background/Aims: As the prevalence of diabetes mellitus and its complications increase rapidly, diabetic foot ulcers (DFUs), which are a major diabetic complication, are expected to increase. For prevention and effective treatment, it is important to understand the clinical course of DFUs. The aim of this study was to investigate the natural course and predictors of amputation in patients with DFUs who required hospitalization Methods: A total of 209 patients with type 2 diabetes, aged 30 to 85 years, who visited emergency department or needed hospitalization due to DFUs were consecutively enrolled from May 2012 to January 2016, by retrospective medical record review. The main outcome was lower extremity amputation (LEA). Results: Among 192 patients who completed follow-up, 113 patients (58.9%) required LEAs. Compared to patients without amputation, baseline levels of white blood cell counts and C-reactive protein were higher in patients with amputation. In addition, bone and joint involvement was more frequently observed in patients with amputation. Multivariable regression analysis revealed that combined infection (odds ratio [OR], 11.39; 95% confidence interval [CI], 2.55 to 50.93; p = 0.001) and bone or joint involvement (OR, 3.74; 95% CI, 1.10 to 12.70; p = 0.035) were significantly associated with an increased risk of LEA. Conclusions: The depth of the wound and combined infection of DFU, rather than the extent of the wound, were significant prognostic factors of LEAs in patients with type 2 diabetes.
항체 파지발현 기법을 이용한 HCV E1/E2 복합체에 대한 중화항체 분절의 제작
정정명 ( Jeong Jeong Myeong ),정명교 ( Jeong Myeong Gyo ),설상영 ( Seol Sang Yeong ),이상혁 ( Lee Sang Hyeog ),박은택 ( Park Eun Taeg ),지삼룡 ( Ji Sam Lyong ),박성재 ( Park Seong Jae ),백봉력 ( Baeg Bong Lyeog ),송은경 ( Song 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
Hepatitis C virus (HCV)에 의한 감염은 체액성 및 광범위한 세포 매개성 면역반응을 나타내게 된다. HCV 감염과 인체 면역 반응과의 관계에 대한 보고들은 HCV 감염에 의해 유도된 항체들이 HCV 감염을 중화시킬 수 있다고 지적하고 있다. 그러나 이러한 연구결과에도 불구하고 실제로 HCV에 감염된 대부분의 사람들은 만성 감염을 나타내고 있는데, 이 문제에 대해 가장 중요한 사실은 HCV의 자연감염시 유도되는 항체들이 HCV를 완전히 제
Abietic Acid 기반 Methacrylate 유도체의 합성과 광경화 특성
정은교(Eun-Gyo Jeong),류상욱(Sang-Woog Ryu) 한국고분자학회 2020 폴리머 Vol.44 No.6
본 연구에서는 식물유래 천연물질인 abietic acid와 glycidyl methacrylate의 반응을 통해 methacryloyl-2-hydroxypropyl abietate(MHPA)를 합성하였다. 합성된 MHPA는 다양한 비율의 poly(ethylene glycol) dimethacrylate(PEGDMA)와 혼합되어 광경화용 레진으로 제조되었으며 MHPA가 경화에 미치는 영향을 평가하였다. 그 결과 MHPA 함량이 증가할수록 경화도가 감소하였지만 3 0 wt%까지는 96%의 경화도를 유지하였다. 또한 MHPA의 존재는 경화필름의 친수성을 감소시키고 박리강도와 탄성계수에 대한 개선을 가능하게 하였다. 특히 3 0 wt%의 MHPA가 포함된 경화필름에서 박리강도와 탄성계수가 각각 140%와 500% 향상된 결과를 보여주었다. In this study, methacryloyl-2-hydroxypropyl abietate (MHPA) was synthesized through the reaction of abietic acid, a plant-derived natural substance, with glycidyl methacrylate. The synthesized MHPA was mixed with various ratios of poly(ethylene glycol) dimethacrylate (PEGDMA) to prepare a photocurable resin, and the effect of MHPA content on curing behavior was evaluated. As a result, it was found that while the MHPA content increased, the degree of curing decreased, but the curing efficiency of 96% was maintained up to 30 wt% of MHPA. In addition, the presence of MHPA reduced the hydrophilicity of the cured film and improved the peel strength and elastic modulus. In particular, the peel strength and modulus of elasticity were improved by 140% and 500%, respectively, in the cured film containing 30 wt% of MHPA.
스마트 텍스타일 구현을 위한 OLED 기반 웨어러블 디스플레이 리뷰
정은교 ( Eun Gyo Jeong ),이창민 ( Chang-min Lee ),조석호 ( Seok Ho Cho ) 한국의류산업학회 2021 한국의류산업학회지 Vol.23 No.6
Clothing has a very important role in human life, and it is the most human-friendly platform because humans wear it in almost all the time. In the recent years, smart clothing integrated with various functions is solidifying its position as the core of next-generation Information and Communications Technology(ICT). With this global trend, the smart textiles, textiles embedded with electronic devices that are capable of performing various functions, have been attracting a lot of attention. Therefore, various research activities on the smart textiles are in progress, and the global market outlook for the smart textiles is also showing rapid growth. Among the various smart textile technologies, the textile/fiber-based wearable display has been attracting more attention because it is an essential element for wearers to intuitively control the functions integrated in the smart textiles. This paper provides insightful information and the technological elements of organic light emitting diodes(OLEDs) display, which have been evaluated as the most ideal device for luminescent clothing. Since, OLEDs have many advantages such as light weight, extremely thin thickness and great flexibility, the textile/fiber-based wearable OLEDs can be worn without any inconvenience. In addition, by introducing previous studies on the textile/fiber-based OLED displays, we intend to consider the commercial potential of the textile/fiber-based smart luminescent clothing using the OLED technologies.
( Jae-hyeok Jeong ),( Gil Pyo Hong ),( Yu-ri Kim ),( Da Gyo Hong ),( Jae-eun Ha ),( Jung In Yeom ),( Eun-jeong Kim ),( Hyung-il Kim ),( Kyu-sup Lee ) 대한폐경학회 2016 대한폐경학회지 Vol.22 No.3
Objectives: This report seeks to introduce some cases of the patients who received magnetic resonance imaging (MRI)-guided high intensity focused ultrasound (HIFU) surgery (MRgFUS)-based intramural uterine fibroids treatment where the post-MRgFUS intramural uterine fibroids decreased in its volume and protruded towards the endometrial cavity to be expelled by hysteroscopy. Methods: Of the 157 patients who had received MRgFUS treatment in the Obstetrics and Gynecology of the Hospital from March, 2015 to February, 2016; this study examined 6 of the cases where, after high intensity focused ultrasound treatment, intramural uterine fibroids protruded towards the endometrial cavity to be removed by hysteroscopic myomectomy. The high intensity focused ultrasound utilized in the cases were Philips Achieva 1.5 Tesla MR (Philips Healthcare, Best, The Netherlands) and Sonalleve HIFU system. Results: The volume of fibroids ranged from 26.0 cm3 to 199.5 cm<sup>3</sup>, averaging 95.6 cm<sup>3</sup>. The major axis length ranged from 4.0 cm to 8.2 cm, averaging 6.3 cm. Fibroid location in all of the patients was in intramural uterine before treatment but after the high intensity focused ultrasound treatment, the fibroids were observed to protrude towards the endometrial cavity in at least Day 5 or up to Day 73 to allow hysteroscopic myomectomy. Conclusions: In some cases, after an intramural uterine fibroid is treated with MRgFUS,, fibroid volume is decreased and the fibroid protrudes towards the endometrial cavity. In this case, hysteroscopic myomectomy can be a useful solution. (J Menopausal Med 2016;22:139-145)
Choi, Go Eun,Jang, Mi Hee,Song, Eun Ju,Jeong, Seok Hoon,Kim, Jae-Seok,Lee, Wee Gyo,Uh, Young,Roh, Kyoung Ho,Lee, Hye Soo,Shin, Jong Hee,Ryoo, Nam Hee,Kim, Young Ree,Jeong, Joseph,Kim, Jee Hee,Lee, Sun The Korean Academy of Medical Sciences 2010 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.25 No.12
<P>The Beijing family of <I>Mycobacterium tuberculosis</I> has been emerging in the world. However, there are few nationwide data of genotypic distribution in Korea. This study aimed to identify the genotypic diversity of clinical isolates of <I>M. tuberculosis</I> and to demonstrate the population of Beijing family in Korea. We collected 96 clinical <I>M. tuberculosis</I> isolates from 11 university hospitals nationwide in Korea from 2008 to 2009. We observed 24 clusters in IS<I>6110</I>-RFLP analysis and 19 patterns in spoligotyping. Seventy-five isolates were confirmed to be Beijing family. Two isolates of the K strain and 12 isolates of the K family strain were also found. We found that drug resistance phenotypes were more strongly associated with Beijing family than non-Beijing family (<I>P</I>=0.003). This study gives an overview of the distribution of genotypes of <I>M. tuberculosis</I> in Korea. These findings indicate that we have to pay more attention to control of <I>M. tuberculosis</I> strains associated with the Beijing family.</P>