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신진수,김선국,한충희 경희대학교 산학협력기술연구원 건축도시연구부 1997 건축도시연구소논문집 Vol.17 No.-
A statistical cost model is useful to esimate the construction cost of new projects quickly and precisely in the initial stage of the projects. Traditionally, the precision of regression equations has been evaluated with the coefficient of determination(r^(2)). When the equations are applied to estimate the construction cost of a certain project, the result interpreted using only r^(2) may lead to erroneous predicton. In order to enhance the reliability of regression equations, this paper presents a methodology in which the equations are tested with the possible cost parameters by Monte Carlo simulation. In the research, the methodology is also confirmed to reduce mistakes from the blind use of regression equations.
신석철,이충숙,지익성,이선우 충남대학교 의과대학 지역사회의학연구소 1996 충남의대잡지 Vol.23 No.2
Mania is a rare complication of stoke. The clinical features and response to treatment are usually the same as mania without brain injury. Post-stroke mania strongly associated with both a right hemisphere lesion in a limbic-connected area and a second predisposing factor, such as genetic loading for a affective disorder, pre-existing subcortical atrophy or seizure disorder. It may be mediated through frontal lobe dysfunction. We report a case of secondary mania in 65-year old man who showed multiple lacunar infarction left thalamus and right periventricular area.
( Sun Young Kim ),( Tae Hoon Oh ),( Hwa Mi Kang ),( Tae Joo Jeon ),( Dong Dae Seo ),( Won Chang Shin ),( Won Choong Choi ),( Jeong Hwan Choi ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2011 Gut and Liver Vol.5 No.3
Here, we report a case of corrosive injury-induced pharyngeal stricture in a 69-year-old female, which was successfully treated with endoscopic adhesiolysis using an electrosurgical knife. The patient had ingested sodium hydroxide in an attempted suicide, and immediate endoscopy revealed corrosive injuries of the pharynx, esophagus, and stomach. When a liquid diet was permitted, she complained of nasal regurgitation of food. Follow-up endoscopy revealed several adhesive bands and a web-like scar that did not allow passage of the endoscope into the hypopharyngeal area. For treatment of the hypopharyngeal stricture, the otolaryngologist attempted to perform an excision of the fibrous bands around the esophageal inlet using microscissors passed through an esophagoscope, but this procedure was not effective. We then dissected the mucosal adhesion and incised the adhesive bands using an electrosurgical knife. After this procedure, nasal regurgitation of food no longer occurred. To our knowledge, this case is the first report of endoscopic adhesiolysis with an electrosurgical knife in a patient with a corrosive injury-induced pharyngeal stricture. (Gut Liver 2011;5:383-386)
6개월된 유아에서 다발성낭종을 동반한 뇌수막종 : 증례보고 Case Report
신형진,김동규,김형진,김재형,하충건,김선영 대한신경외과학회 1990 Journal of Korean neurosurgical society Vol.19 No.5
Meningioma, although quite common in adults, are extremely rare in infant. Only 25cases of meningioma in patients younger than 1 year old have been reported in the world literature. The authors report a case of meningioma associated with multiple cysts in a 6-month-old infant.
Choong-Kyun Noh,In Sung Kim,Gil Ho Lee,Jin Woong Park,Eunyoung Lee,Bumhee Park,Hye Jeon Hong,Sun Gyo Lim,Sung Jae Shin,Jin Hong Kim,Kee Myung Lee 거트앤리버 소화기연관학회협의회 2020 Gut and Liver Vol.14 No.4
Background/Aims: Adequate bowel preparation is important for successful colonoscopy. We aimed to evaluate the clinical feasibility and effectiveness of abdominal vibration stimulation in bowel preparation before therapeutic colonoscopy. Methods: A single center, prospective, randomized, investigator-blinded study was performed between January 2016 and December 2016. Patients for therapeutic colonoscopy were prospectively enrolled and assigned to either the vibrator group or walking group. Patients who refused to participate in this study as part of the experimental group consented to register in the control group instead. During the preparation period, patients assigned to the walking group walked ≥3,000 steps, whereas those assigned to the vibrator group received abdominal vibrator stimulation and restricted walking. All patients received the same colon cleansing regimen: 4-L split-dose polyethylene glycol (PEG) solution. Results: Three hundred patients who received PEG solution for therapeutic colonoscopy were finally enrolled in this study (n=100 per group). Bowel cleansing with abdominal vibration stimulation showed almost similar results to that with walking exercise (Boston Bowel Preparation Scale score for the entire colon: vibrator vs walking vs control, 7.38±1.55 vs 7.39±1.55 vs 6.17±1.15, p<0.001). There were no significant differences between the vibrator group and walking group regarding instances of diarrhea after taking PEG, time to first diarrhea after taking PEG, total procedure time, and patient satisfaction. Conclusions: This study indicates that, compared with conventional walking exercise, abdominal vibration stimulation achieved similar rates of bowel cleansing adequacy and colonoscopy success without compromising safety or patient satisfaction.
Primary Gastric Histiocytic sarcoma, similar with an inflammatory pseudotumor: A Case report
( Choong Kyun Noh ),( Sook Hee Chung ),( Dakeun Lee ),( Sung Jae Shin ),( Joon Koo Kang ),( Sun Kyo Lim ),( Kee Myung Lee ),( Kyang Jae Lee ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Histiocytic sarcoma is a malignant neoplasm that originated from myeloid-derived macrophages, and related to myelomonocytic or lymphoblastic leukemia. Histiocytic sarcoma rarely occurs in the stomach. In previous reports, a few cases of histiocytic sarcoma in the stomach were reported. In this case, a 45-year-old female had complained of patient epigastric pain and melena for 1 month. In her laboratory data, hemoglobin was 8 g/dl. In endoscopic finding, there was an ulcerofungating mass with irregular base coated with dirty exudates in distal antrum and body. Abdominal Computed tomography showed a large ulcerofungating mass involving from gastric antrum to duodenal bulb with suspicious invasion of pancreas. In PET CT, metastatic lymph nodes in infrapyloric, perigastric and right hilar area were found. In pathologic findings, tumor cells showed band-like infiltration mainly in the mucosa and submucosa, but also penetrated into serosa in some areas. Tumor cells largely had intermediate-size nuclei with plump, pink cytoplasm. Because there was lack of high degree of cellular atypia or pleomorphism in pathologic findings, final diagnosis as gastric Histiocytic sarcoma was confused with inflammatory pseudotumor. In immunohistochemical staining, the tumor cells were positive for CD68, CD163, LCA, lysozyme, but negative for other immunomarkers including CD21, CD1a, and MPO. The patient underwent palliative distal gastrectomy. The resected specimen after operation clearly demonstrated the malignant nature of this tumor. Based upon the examination, the authors finally diagnosed her as histiocytic sarcoma. The patient was referred to oncology department after operation. She received chemotherapy such as Etoposide, Cisplatin and Iphosphamide. She has another schedules for additional chemotherapy in the out-patient department clinics.
Shin, Young-Mi,Park, Hee-Jin,Yim, Sun-Duck,Baek, Nam-In,Lee, Choong-Hwan,An, Gynheung,Woo, Young-Min Blackwell Publishing Ltd 2006 PLANT BIOTECHNOLOGY JOURNAL Vol.4 No.3
<P>Summary</P><P>Flavonoids, compounds that possess diverse health-promoting benefits, are lacking in the endosperm of rice. Therefore, to develop transgenic lines that produce flavonoids, we transformed a white rice cultivar, <I>Oryza sativa japonica</I> cv. Hwa-Young, with maize <I>C1</I> and <I>R-S</I> regulatory genes. Expression of these transgenes was restricted to the endosperm using the promoter of a rice prolamin gene. The pericarp of the <I>C1</I>/<I>R-S</I> homozygous lines became dark brown in accordance with their maternal genotype, whereas the endosperm turned chalky, similar to the opaque kernel phenotype. Analysis via high-performance liquid chromatography (HPLC) revealed that numerous kinds of flavonoids were produced in these transgenic kernels. To identify individual flavonoids, the number of HPLC peaks was reduced through moderate acid hydrolysis, followed by ethyl acetate partitioning. Amongst the major flavonoids, dihydroquercetin (taxifolin), dihydroisorhamnetin (3′-<I>O</I>-methyl taxifolin) and 3′-<I>O</I>-methyl quercetin were identified through liquid chromatography/mass spectrometry/mass spectrometry and nuclear magnetic resonance analyses. Fluorescence labelling with diphenylboric acid showed that the flavonoids were highly concentrated in the cells of four to five outer endosperm layers. More importantly, a high fluorescence signal was present in the cytosol of the inner endosperm layers. However, the overall signal in the inner layers was significantly lower because starch granules and protein bodies occupied most of the cytosolic space. Our estimate of the total flavonoid content in the transgenic kernels suggests that <I>C1</I>/<I>R-S</I> rice has the potential to be developed further as a novel variety that can produce various flavonoids in its endosperm.</P>
( Sun Young Kim ),( Tae Hoon Oh ),( Ji Young Seo ),( Tae Joo Jeon ),( Dong Dae Seo ),( Won Chang Shin ),( Won Choong Choi ),( Myeong Ja Jeong ) 대한소화기기능성질환·운동학회 2012 Gut and Liver Vol.6 No.1
Background/Aims: It is unclear whether the risk factors associated with complicated diverticulitis in Asian and Western countries are the same. We evaluated the risk factors associated with severe diverticulitis (SD) in Korea and compared the clinical characteristics of diverticulitis according to location. Methods: A retrospective review of 190 patients hospitalized with acute diverticulitis from January 2005 to June 2010 was conducted. SD was defined as one of the following: perforation, abscess, obstruction, sepsis, or peritonitis that required an urgent operation. Results: Twenty-four patients (12.6%) were diagnosed with SD. SD was significantly associated with older age, a fever over 38oC, changes in bowel habits and a high visceral adipose tissue (VAT)/total adipose tissue (TAT) ratio. Multivariate analysis showed that the risk factors for developing SD were an age of 40 years or more (odds ratio [OR], 3.2; p=0.032), male gender (OR, 4.0; p=0.021) and left-sided diverticulitis (OR, 6.2; p=0.017). Right-sided diverticulitis (n=175, 92.1%) was signifi cantly associated with younger ages, fewer changes in bowel habits, fewer comorbidities and non-SD. Conclusions: This study suggests that the risk factors for developing SD in Korea, where right-sided diverticulitis is predominant, are the male gender, an age of more than 40 years old, and left-sided diverticulitis. Given that there are different risk factors for developing SD in Western countries, different strategies for the treatment of diverticulitis in the Korean population seem to be needed. (Gut Liver 2012;6:78-85)