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( Ju Yup Lee ),( Nayoung Kim ),( Ji Hyun Park ),( Ryoung Hee Nam ),( Sun Min Lee ),( Chin-hee Song ),( Geun Kim ),( Hee Young Na ),( Yoon Jin Choi ),( Jin Joo Kim ),( Dong Ho Lee ) 대한소화기 기능성질환·운동학회 2020 Journal of Neurogastroenterology and Motility (JNM Vol.26 No.1
Background/Aims Emerging evidence shows that the mechanism of irritable bowel syndrome (IBS) is associated with neurotrophic factors and tight junction proteins (TJPs). It is known that there are sex differences in the pathophysiology of IBS. The aim of the present study is to determine expression levels of neurotrophic factors, TJPs, and cytokines according to IBS subtype and sex. Methods From 59 IBS (33 IBS-constipation, 21 IBS-diarrhea, and 5 IBS-mixed) and 36 control patients, colonic mucosa mRNA expression levels of transient receptor potential vanilloid-1 (TRPV1), nerve growth factor (NGF), glial cell-derived neurotrophic factor (GDNF), and various TJPs were assessed by real-time polymerase chain reaction. Western blot was performed to determine levels of zonular occludens-1 (ZO-1). Serum levels of cytokines were measured by enzyme-linked immunosorbent assay. Results TRPV1, GDNF, and NGF mRNA levels were significantly increased in those with IBS-constipation compared to those in controls (all P < 0.05). However, they showed no significant difference between those with IBS-diarrhea and controls. Expression level of TRPV1 correlated with that of GDNF (r = 0.741, P < 0.001) and NGF (r = 0.935, P < 0.001). ZO-1 RNA expression levels were lower (P = 0.021) in female IBS-diarrhea than those in controls, although they showed no significant differences between male IBS-diarrhea and controls. Serum IL-1β levels in female IBS were significantly higher than those of male IBS, especially in IBS-constipation (P < 0.001). Conclusion Our results suggest that neurotrophic factors and IL-1β are closely related to IBS-constipation and that decrease of ZO-1 is an important factor in female with IBS-diarrhea.
유지 혈액투석 환자에서 단일풍선 소장내시경으로 치료한 소장출혈
김정엽 ( Jeong Yup Kim ),왕준광 ( Joon Kwang Wang ),김미나 ( Mi Na Kim ),김선철 ( Sun Chul Kim ),김혜원 ( Hye Won Kim ),이영모 ( Young Mo Lee ),권영주 ( Young Joo Kwon ),표희정 ( Heui Jung Pyo ),박자인 ( Ja In Park ),오주연 ( Joo 대한신장학회 2008 Kidney Research and Clinical Practice Vol.27 No.6
Anemia is a common complication of hemodialysis. It reduces the quality of life and is recognized as adverse risk factor. The cause of anemia in CKD (chronic kidney disease) include lack of erythropoietin, gastrointestinal (GI) bleeding, hypothyroidism, hidden infection, and blood loss in hemodialysis. GI bleeding is not unusual complication in patient on maintenance hemodialysis, caused by uremia, medicine (NSAIDS, antiplatelet agents, anticoagulants), angiodysplasia, and ulcer. In CKD patients, GI bleeding is found in various sites over the whole bowel. Small bowel bleeding is one of the most common causes of obscure GI bleeding and constitutes 2-10% of all GI bleeding. Regarding the small bowel bleeding, diagnosis and treatment are much improved recently with the help of wireless capsule endoscopy and double or single balloon enteroscopy. We report a case of GI bleeding due to erosion of small bowel, which was diagnosed and treated with the single-balloon enteroscopy in patients on maintenance hemodialysis.
나기태 ( Ki Tae Na ),이주엽 ( Joo Yup Lee ) 대한골절학회 2016 대한골절학회지 Vol.29 No.2
The wrist joint is formed by the distal end of the radius and ulna proximally, and eight carpal bones distally. It has many ligaments to maintain stability of the complex bony structures. The incidence of ligament injuries of the wrist has increased due to sports activities. However, diagnosis and management of these injuries are sometimes difficult because of the anatomic complexity and variable injury patterns. Among them, scapholunate ligament injury and triangular fibrocartilage tears are the two most common injuries resulting in chronic disabling wrist pain. Thorough understanding of the wrist anatomy and physical and radiologic examination is mandatory for proper diagnosis and management of these conditions. This article will briefly discuss the wrist joint anatomy and biomechanics, and review the diagnosis and management of the scapholunate ligament injury and triangular fibrocartilage injury.
( Yeon Sang Jeong ),( Young Soo Park ),( Ju Yup Lee ),( Yoon Jin Choi ),( Yong Hwan Kwon ),( Jae Jin Hwang ),( Ki Chul Yoon ),( Ae Ra Lee ),( Hyun Joo Lee ),( Hyuk Yoon ),( Cheol Min Shin ),( Na Young 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: After esophagectomy or proximal gastrectomy, the reported incidence of esophageal leakage ranges from 5% to almost 30%. Gastroesophageal leakage increases morbidity and mortality rates, and conventional treatments are used to control leakage by endoscopic implantation with self-expendable metal stents (SEMS). E-VAC therapy has recently been reported as an effective treatment modality for postsurgical anastomotic leakage. The aims of this study are to show the relative differences therapy of between esophageal stenting and E-VAC in treating postsurgical gastroesophageal leakage. Methods: From 2003 to 2014, 18 patients treated with postsurgical gastroesophageal leakage in one medical center were evaluated (Male : Female = 13 : 5). Mean age were 71.1 ± 2 years in E-VAC group and 67.3 ± 3 years in stenting group. Among the patients, 7 patients were treated by E-VAC. On the other hand, 11 patients were treated by covered SEMS. The followings were compared: clinical success rate, recurrence, closure time, hospital stay, and costs. Results: Of 7 patients treated with E-VAC, 6 patients were treated successfully. Among 11 patients treated with stenting, 7 patients were treated successfully. However, one patient in stenting group died of cancer progression without control of leakage by stenting. One of 3 patients that treated with stenting have been persisted to leakage, changed treatment in E-VAC and then successfully treated. Two patients in the stenting group failed. Mean closure time was 19.6 ± 6 days in E-VAC group and 35.4 ± 12 days in stenting group. Mean hospital stay were 34.0 ± 12 days in E-VAC group and 69.1 ± 31 days in stenting group. The Costs were $585 ± $239 in E-VAC group and $1,456 ± $287 in stenting group. Conclusions: E-VAC therapy might be effective treatment option for postsurgical gastroesophageal leakage.
강희신,유시희,이형구,나주엽 한국낙농학회 1994 韓國酪農學會誌 Vol.16 No.4
국내 야생에 자생하고 있는 두과자원과 화본과자원의 효율적인 활용 방안을 제시하고자 누관이 장착된 Holstein 젖소 1두를 이용하여 in situ 건물 소실률과 유기물 소실률을 알아보고자 본 실험에 착수하여 다음과 같은 결과를 얻었다. 1. 저에너지 사료 섭취시 두과 시료인 아카시아, 칡 및 살갈퀴의 반추위내 평균 건물 소실률은 각각 37.9, 43.3 및 43.8%이며 화본과 시료인 NH₃-N 처리 볏짚, 억새 및 수수의 평균 건물 소실률은 각각 30.1, 27.7 및 42.2%였고 두과 및 화본과 전체 평균은 각각 41.7및 33.3%였다. 2. 고에너지 사료 섭취시 두과시료인 아카시아, 칡 및 살갈퀴의 반추위내 평균 건물 소실률은 각각 27.6, 37.1 및 34.7%이며 화본과 시료인 NH₃-H 처리 볏짚, 억새 및 수수의 평균 건물 소실률은 각각 31.0, 17.9 및 37.5%였고 두과 및 화본 과 전체평균은 각각 33.1 및 28.8%였다. 3. 저에너지 사료 섭취시 두과시료인 아카시아, 칡 및 살갈퀴의 반추위내 평균 유기물 소실률은 각각 24.0, 42.3 및 49.0%이며 화본과 시료인 NH₃-N 처리 볏짚, 억새 및 수수의 평균 유기물 소실률은 각각 25.3, 23.9 및 17.1%였고 두과 및 화본과 전체 평균은 각각 38.4 및 22.1%였다. 4. 고에너지 사료 섭취시 두과시료인 아카시아, 칡 및 살갈퀴의 반추위내 평균 유기물 소실률은 각각 20.7, 42.3 및 53.2%이며 화본과 시료인 NH₃-N 처리 볏짚, 억새 및 수수의 평균유기물 소실률은 각각 30.9, 29.9 및 28.6%였고, 두과 및 화본과 전체 평균은 각각 38.7 및 29.8%였 다. A nylon bag technique was used to investigate the effect of feeding two energy levels of Low(R;C=8;2) or High(R;C=2;8) diets on the dry matter and organic matter disappearance rates(%) of Legumes; Robinia pseudo acacia(acacia), Pueria thunbergiana(kudzu), Vicia Angustifolia(angustifolia), or Grasses; Oryza sativa(3% ammoniated rice straw), Miscanthus purpurascens(eulalia), Sorghum bicolor(sorghum-pioneer 188) suspended in the rumen of dairy cow. The results obtained were summarized as the following; 1. With the low energy diets the average DMDR(%) for the suspending hours of 0∼72 in the rumen with legumes; acacia, kudzu and angustifolia were significantly different(P<.05) with 37.9, 43.3 and 43.8%, respectively. And the average DMDR(%)for the suspending hours of 0∼72 in the rumen with grasses; NH3-N treated rice straw, eulalia and sorghum were significantly different(P<. 05) with 30.1, 27.7 and 42.2%, respectively. And the total average DMDR(%) for suspending hours 0∼72 in the rumen with legumes and grasses were 41.7 and 33.3%. 2. With the high energy diets the average DMDR(%) for the suspending hours of 0∼72 in the rumen with legumes; acacia, kudzu and angustifolia were significantly different(P<. 05) with 27.6, 37.1, and 34.7%, respectively. And the average DMDR(%) for the suspending hours of 0∼72 in the rumen with grasses; NH₃-N treated rice straw, eulalia and sorghum were significantly different(P<.05) with 31.0, 17.9 and 37.5%, respectively. And the total average DMDR(%) for suspending hours 0∼72 in the rumen with legumes and grasses were 33.1 and 28.8%. 3. With the low energy diets the average OMDR(%) for the suspending hours of 0∼72 in the rumen with legumes; acacia, kudzu and angustifolia were significantly different(P<.05) with 24.0, 42.3 and 49.0%, respectively. And the average OMDR(%) for the suspending hours of 0∼72 in the rumen with grasses; NH₃-N treated rice straw, eulalia and sorghum were significantly different(P<.05) with 25.3, 23.9 and 17.1%. And the total average DMDR(%) for suspending hours 0∼72 in the rumen with legumes and grasses were 38.4 and 22.1%. 4. With the high energy diets the average OMDR(%) for the suspending hours of 0∼72 in the rumen with legumes; acacia, kudzu and angustifolia were significantly different(P<.05) with 20.7, 42.3, and 53.2%, respectively. And the average OMDR(%) for the suspending hours of 0∼72 in the rumen with grasses; NH₃-N treated rice straw, eulalia and sorghum were significantly different(P<.05) with 30.9, 29.9 and 28.6%. And the total average DMDR(%) for suspending hours 0∼72 in the rumen with legumes and grasses were 38.7 and 29.8%.
태양열 흡수체용 구리산화막의 표면특성 및 저방사코팅 연구
강동필(Kang Dong-Pil),박효열(Park Hoy-Yul),나문경(Na Moon-Kyong),안명상(Ahn Myeong-Sang),이태주(Lee Tae-Joo),장태순(Jang Tae-Soon),이종엽(Lee Jong-Yup),김춘열(Kim Chun-Yeol) 한국태양에너지학회 2006 한국태양에너지학회 학술대회논문집 Vol.- No.-
This study was done on surface property of surface-oxidized copper for solar absorber and low emissivity coated on solar absorber. As surface temperature of solar energy absorber increases, most solar energy absorbers emit the energy into infrared rays. For increasing the efficiency of collecting sun energy, low emissivity coating on solar energy absorber is needed. Temperature elevation characteristics of solar energy absorber was influenced by surface condition of solar energy absorber and low emissivity coating material.<br/> Surface-oxidized coppers were prepared for solar energy absorber. The temperature elevation property of surface-oxidized copper absorber was examined with several insulation conditions to minimize the heat loss through conduction and convection. Two kinds of low emissivity materials and silica sol were coated on the surface-oxidized copper absorber. And then the surface properties, surface condition and roughness, were observed. Temperature elevation characteristics of solar energy absorber was influenced by surface condition of solar energy absorber and low emissivity coating material. Thin and uniform surface of low emissivity coating can reduce the emission of thermal energy.
말기암환자에 대한 여명 예측교육 후의 의료인의 자신감과 정확도 및 지식의 변화
박준석,백나영,서상연,김유일,정휘수,오상우,성낙진,안홍엽,서아람,이용주,Park, Jun-Seok,Baek, Na-Young,Suh, Sang-Yeon,Kim, Yu-Il,Jeong, Hwee-Soo,Oh, Sang-Woo,Sung, Nak-Jin,Ahn, Hong-Yup,Seo, Ah-Ram,Lee, Yong-Joo 한국호스피스완화의료학회 2012 한국호스피스.완화의료학회지 Vol.15 No.3
목적: 많은 의료인들은 여명 예측을 어려워하는데, 교육의 부족이 이러한 어려움을 가져오는 요인들 중 하나이다. 그러나 최근 여명 예측에 도움이 되는 여러 가지 예후 지수가 발표되었다. 본 연구에서는 의료인들을 대상으로 예후 지수에 대해 교육을 실시하고 이러한 교육이 여명 예측의 정확도, 자신감, 지식을 향상시키는지 알아보고자 하였다. 방법: 2009년 7월 22일, 경기도 소재 일개 대학병원에서 '말기암환자의 여명 예측'에 대한 교육을 실시하고 간호사 및 의사 29명의 참가자를 대상으로 교육 전 후의 여명 예측에 대한 자신감, 정확도, 지식의 항목을 중심으로 변화를 측정하였다. 교육은 완화의학을 전공한 1인의 가정의학과 교수가 파워포인트를 사용하여 Palliative Prognostic score (PaP score)와 Objective Prognostic Score (OPS)에 대해 강의하고 상호문답 방식으로 40여분간 진행하였다. 결과: 교육 전 후의 자신감 평균은 교육 전의 $4.00{\pm}1.73$ (평균${\pm}$표준편차)점 (0~10 visual analog scale)에 비해서 교육 후가 $5.83{\pm}1.71$점으로 유의하게 높았으며(P<0.001) 나이가 많을수록 교육 전 여명 예측의 자신감이 유의하게 높았고(P=0.04), 진료 또는 간호 증례 수가 많을수록 여명 예측 교육 전 후의 자신감이 유의하게 높게 나왔다(각각 P=0.005, P=0.017). 교육 전 후의 여명 예측 정확도도 교육 후가 27/29명(93.1%), 교육 전이 14/29명(48.0%)으로, 교육 후가 교육 전보다 유의하게 높게 나왔다(P<0.001). 결론: 예후 지수를 활용하여 여명 예측을 교육했을 때 여명 예측에 대한 자신감, 정확도의 상승은 유의하였다. 이러한 결과의 일반화를 위해 앞으로 의료인들을 대상으로 하는 생존 기간 예측 교육이 필요할 것이다. Purpose: In this study, we evaluated the effects of training for survival prediction of terminally ill patients in terms of medical professionals' confidence, accuracy and knowledge of survival prediction. Methods: Twenty-nine participants completed a self-administered questionnaire where they scored their confidence, accuracy and knowledge of survival prediction before and after the training session. The training was provided in July 2009 at a university hospital located in Gyeonggi province, Republic of Korea. The participants were instructed by a professor of family medicine specialized in hospice palliative medicine to predict survival of a case using the palliative prognostic score and objective prognostic score. The training was provided in the form of a PowerPoint presentation for 40 minutes. Results: Participants' confidence in survival prediction significantly increased from $4.00{\pm}1.73$ ($mean{\pm}SD$) (0~10, visual analogue scale) to $5.83{\pm}1.71$ after the training (P<0.001). Before training, participant's level of confidence significantly correlated with their age (P=0.04). The training significantly improved the correlation between the confidence level and the number of terminal cancer patients whom they have experienced (P=0.005 before training, P=0.017 after training). Participant's accuracy in survival prediction also significantly improved from 14 of 29 (48%) to 27 of 29 (93.1%) (P<0.001). The change in knowledge of survival prediction was too small to be statistically analyzed. Conclusion: After training, the confidence and accuracy scores significantly improved. Further study with a greater number of participants is needed to generalize this finding.