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( Sun Gyo Lim ),( Kwang Jae Lee ),( Kwang Wook Suh ),( Seung Yeop Oh ),( Soon Sun Kim ),( Jun Hwan Yoo ),( Jeong Ook Wi ) The Editorial Office of Gut and Liver 2013 Gut and Liver Vol.7 No.3
Background/Aims: In patients with occlusive colorectal cancers, a complete preoperative evaluation of the colon proximal to the obstruction is often impossible. We aimed to evaluate the feasibility of preoperative colonoscopy after stent placement and to determine whether the success rate of colonoscopy differs between covered and uncovered stents. Methods: Seventy-three patients with malignant colorectal obstruction were enrolled prospectively. In patients with a resectable cancer, a preoperative colonoscopy was performed after insertion of a self-expandable metal stent (SEMS). The success rate of complete preoperative colonoscopy was compared between covered and uncovered stents. Results: Forty-five of 73 patients who underwent stent placement had a resectable cancer (61.6%). A complete preoperative colonoscopy was possible in 40 of 45 patients (88.9%). The success rate of complete preoperative colonoscopy was significantly lower in the covered-stent group when the obstructing mass lesion was located in the sigmoid colon (p=0.024). Synchronous cancer was detected in one patient (2.2%). Stent migration was observed in four patients with a covered stent. Conclusions: A preoperative complete colonoscopy after SEMS placement was feasible and safe in most patients with malignant colorectal obstruction. Uncovered stents seem to have more advantages than covered stents in preoperative colonoscopy proximal to the obstruction. (Gut Liver 2013; 7:311-316)
Tritium( $^3$H) Activity Measurement by the Liquid Scintillation Counting Method
Hwang, Sun-Tae,Oh, Pil-Jae,Lee, Min-Kie,Kim, Wi-Soo Korean Society for Atmospheric Environment 1994 Journal of Korean society for atmospheric environm Vol.10 No.5
At a nuclear power plant, environmental radioactivity monitoring is routine work for the radiation safety management For the environmental monitoring of tritium($^3$H) activity in water sampled liquid scintillation counting( LSC) method is applied to measure low- energy beta activity from tritium in the samples. The $^3$H activity is measured using the BECKMAN 5801 system at the KRISS( Korea Research Institute of Standards and Science) for evaluating the lower limits of detection( LLD) of $^3$H measurement and the measuring capability of low-level $^3$H activity at four nuclear Power Plant sites. The LSC systems used for low-level $^3$H activity measurements at the nuclear Power Plants are confirmed to satisfy throughout an intercomparison study under the experimental arrangements by the KRISS.
Ryu Byung-Han,Hong Sun In,Lim Su Jin,Cho Younghwa,Hwang Cheolgu,Kang Hyungseok,Kim Si-Ho,Wi Yu Mi,Hong Kyung-Wook,Bae In-Gyu,Cho Oh-Hyun 대한의학회 2021 Journal of Korean medical science Vol.36 No.49
Background: Data on severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) delta variant virulence are insufficient. We retrospectively compared the clinical features of adult coronavirus disease 2019 (COVID-19) patients without risk factors for severe COVID-19 who entered residential treatment centers (RTCs) before and after the delta variant outbreak. Methods: We collected medical information from two RTCs in South Korea. On the basis of nationwide delta variant surveillance, we divided the patients into two groups: 1) the delta-minor group (diagnosed from December 2020–June 2021, detection rate < 10%) and 2) the delta-dominant group (diagnosed during August 2021, detection rate > 90%). After propensity-score matching, the incidences of pneumonia, hospital transfer and need for supplemental oxygen were compared between the groups. In addition, risk factors for hospital transfer were analysed. Results: A total of 1,915 patients were included. The incidence of pneumonia (14.6% vs. 9.2%, P = 0.009), all-cause hospital transfer (10.4% vs. 6.3%, P = 0.020) and COVID-19- related hospital transfer (7.5% vs. 4.8%, P = 0.081) were higher in the delta-dominant group than those in the delta-minor group. In the multivariate analysis, the delta-dominant group was an independent risk factor for all-cause (adjusted odds ratio [aOR], 1.91; 95% confidence interval [CI], 1.16–3.13; P = 0.011) and COVID-19-related hospital transfer (aOR, 1.86; 95% CI, 1.04–3.32; P = 0.036). Conclusion: Hospitalization rates were increased in the adult COVID-19 patients during the delta variant nationwide outbreak. Our results showed that the delta variant may be more virulent than previous lineages.
산림체험 프로그램이 정신과 입원환자의 심리,생리 상태에 미치는 영향
김민희 ( Min Hee Kim ),위안진 ( An Jin Wi ),윤병선 ( Byoung Sun Yoon ),심봉섭 ( Bong Sup Shim ),한영훈 ( Young Hoon Han ),오은미 ( Eun Mi Oh ),안기완 ( Ki Wan An ) 한국산림과학회 2015 한국산림과학회지 Vol.104 No.1
In modern society, we are disconnected from nature and under a lots of stress. And this is cause of the various diseases. Also than in the past, People experiencing mental health problems and Psychiatric Inpatient rates appear to have increased. This study was performed to investigated the influence of forest experience program on Psychiatric Inpatients``s mood and depressive state, stress responses. The subject of this study were 25 patients in the N Hospital in Naju, who were divided into an experimental group (n=12) and a control group (n=13), and experiment was conducted form 20 to March 29, 2013. Its effect was verified by utilizing the K-POMS-B and BDI, saliva. According to results of this study, there were improvements in their depressive state and degree of stress state. There was a meaningful difference(p<0.01). However, Cotrol group, these difference were not found.