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불소가 구강내 노출된 탈회법랑질의 내산성도에 미치는 영향
김영진,남순현,정혜경 大韓小兒齒科學會 1991 大韓小兒齒科學會誌 Vol.18 No.1
탈회법랑질의 자연적인 재석회화와 불소가 이러한 재석회화에 미치는 효과를 관찰하기 위하여 매복되었거나 부분 맹출된 제 3대구치에 6개의 개구부를 형성한 후 5개의 개구부를 0.1M laric acid-sodium lactate buffer solution(ph 4.5)에 노출시켜 탈회시킨 후 14명의 환자의 구강내에 레진상을 이용하여 탈회법랑질을 노출시키면서 불소 도포 하지 않은 군,APF 겔 도포군,NaF 양치용액을 사용한 군,APF와 NaF 혼용군의 4개 군과 구강내에 노출시키지 않은 건전법랑질과 탈회법랑질의 2개군의 내산성도를 비교함으로서 다음과 같은 결과를 얻었다. 1,3주간 구강내에 노출시킨 탈회법랑질의 칼슘 및 무기인의 용출량이구강내에 노출시키지 않은 대조군보다 유의성있게 낮게 나타났다(P<0.01). 탈회법랑질에 불소를 도포한 군의 칼슘용량은 불소도포없이 구강내에 노출시킨 군보다 칼슘용출량이 1,3주 공히 유사하게 낮게 나타났으나(P<0.05),3주후 5군에서는 유의성이 없었다(P>0.05). APF gel과 불소양치를 혼용한 군의 저항계수가 불소를 도포한 군중 가장 낮게 나타났고,칼슘용출량도 건전법랑질에 비해 유사하게 낮게 나타났으나(P<0.05). 무기인의 용출 역시 불소를 도포한 군중 3주후 APF gel과NaF 양치 혼용군에서 가장 낮게 나타났다(P<0.01). The purpose of the present investigation was to evaluate the effect of fluoride on remineralization and acid resistance of demineralized enamel in vivo. The decalcified enamel were mounted in acrylic removable appliances and worn by 14 subjects. 6 experimental groups were involved. 1.Group of sound enamel without exposure to oral fluid 2.Group of demineralized enamel without exposure to oral fluid 3.Group of demineralized enamel exposed to oral fluid without `F' treatment 4.Group of demineralized enamel exposed to oral fluid after 1.23% gel 5.Group of demineralized enamel exposed to oral fluid with 0.05% NaF rines 6.Group of demineralized enamel exposed to oral fluid with APF and NaF The results were as follows: The content of dissolved calcium and phosphorus of the demineralized enamels exposed to oral fluid were significantly lower than those of demineralized enamel without exposure to oral fluid(P<0.01). The contents of dissolved calcium of the group exposed to oral fluid with `F' treatment significantly lower after 3 weeks than those group the exposed to oral fluid without `F' treatment except the group 5(P<0.05). The resistance factor of the group with APF gel and NaF rinse was higher than those other groups exposed to `F' treatment and the content of dissolved calcium of the group APF gel and NaF rinse was significantly lower than that of sound enamel without exposure to oral fluid(P<0.05). The contents of dissolved phosphorus of the group with APF gel and NaF rinse was lower than those of other groups exposed to `F' treatment(P<0.01).
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이재호,김광중,김해중,신승남 한국스포츠리서치 2001 한국 스포츠 리서치 Vol.12 No.4
The purpose of this study was to observe the physique, motor ability and body composition of Golfers. The subjects were healthy 20 male Golfers and 20 male non athletes. Every subject performed continuous incremental work laod test by bicycle ergometers. They were warm up with 50 rpm at 25 watt for 2 minutes and gradually increased 50 watt every 3 minutes until exhausition(?). They were tested the motor ability and body composition. They results obtained by this study were as follows ; 1. Physique Golf playes body height showed to be 176.45±5.62cm, body weight was 77.14±13.86kg, chest girth was 96.32±8.37cm, BMI was 22.14±2.70kg/㎡. 2. motor ability Golf playes motor ability showed to be 69.41±9.17beats/min, in HRRest, 194.74±6.97beats/min in HRmax, 46.47±6.01ml/kg/min in VO_2max. The grip strength showed to be 48.70±5.64kg, back strength was 124.95±17.14kg, sargent jump test 58.24±6.98cm, jump step test 22.17±2.76ti, sit up 45.17±8.17ti, one leg balance with eyes close 45.89±18.87sec, trunk flexion 16.81±2.16cm. 3. body composition Golf playes % bodyfat showed to be 11.97±2.50%, body fatkg was 9.68±2.24kg, LBM, 67.45±3.94kg, TBW, 45.47±2.79ℓ.
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송현주,김도영,정혜경,남승현,문일환,구혜수 梨花女子大學校 醫科大學 醫科學硏究所 2002 EMJ (Ewha medical journal) Vol.25 No.2
Nowadays increasing use of abdominal ultrasound in routine check-up may increase the detection rate asymtomatic cystic lesions of pancreas. Even through the majority of the cystic lesions of pancreas is pseudocyst, about 10-15% of those lesions are caused by pancreatic cystic tumor. In the pancreatic cystic tumor, especially, mucinous cystic tumor should be exicised due to its malignant potential, while the pancreatic pseudocyst or serous cystic tumon can be observed for a period or treated medically. Several clinical, radiological, biochemical and pathologic guidelines have been developed in order to distinguish among them. Among pancreatic cystic tumors, mucinous cystic adenocarcinoma is very rare and accounts for only 1% of all pancreatic neoplasms. Unlike extremely poor prognosis of pancreatic adenocarcinoma, mucinous cystic adenocarcinoma has an indolent course and shows a good prognosis after its curative resection. Recently we experienced a 69-year-old woman who had a mucinous cystic adenocarcinoma of the pancreas. We report this case with a review of literature.
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구현서,정경섭,정해근,김경남 충북대학교 건설기술연구소 2002 建設技術論文集 Vol.21 No.1
The superstructures of the steel box bridge, which support the vehicle load directly, are composed of two main components; the steel box and the concrete slab, which are designed as a compositely behaving structure. In the composite girder bridges, the concrete pouring procedures cause different bending moments at each location of a girder. The difference in bending moment is also caused by the varied stiffness of the girders. For the open section type of steel girders which is used in many countries, the sequential concrete pouring method is suggested on the basis of the influential lines concept in order to minimize the effect of such moments. However, the effect is insignificant for the closed section steel box girders which are mostly used in Korea. This paper deals with the behavior of closed section steel girder box bridge according to the continuous pouring concrete slab. Both experimental and structural analysis were performed to assess the behavior of the composite steel box girder bridge under construction.
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Kim, Sun Bean,Kim, Hye Won,Kim, Hyon-Suk,Ann, Hea Won,Kim, Jae Kyoung,Choi, Heun,Kim, Min Hyung,Song, Je Eun,Ahn, Jin Young,Ku, Nam Su,Oh, Dong Hyun,Kim, Yong Chan,Jeong, Su Jin,Han, Sang Hoon,Kim, Ju Informa Healthcare 2014 Scandinavian journal of infectious diseases Vol.46 No.2
<P><I>Background</I>: There have been various efforts to identify less costly but still accurate methods for monitoring the response to HIV treatment. We evaluated a pooling method to determine if this could improve screening efficiency and reduce costs while maintaining accuracy in Seoul, South Korea. <I>Methods</I>: We conducted the first prospective study of pooled nucleic acid testing (NAT) using a 5 minipool + algorithm strategy versus individual viral load testing for patients receiving antiretroviral therapy (ART) between November 2011 and August 2012 at an urban hospital in Seoul, South Korea. The viral load assay used has a lower level of detection of 20 HIV RNA copies/ml, and the cost per assay is US$ 136. The 5 minipool +algorithm strategy was applied and 43 pooled samples were evaluated. The relative efficiency and accuracy of the pooled NAT were compared with those of individual testing. <I>Results</I>: Using the individual viral load assay, 15 of 215 (7%) plasma samples had more than 200 HIV RNA copies/ml. The pooled NAT using the 5 minipool + algorithm strategy was applied to 43 pooled samples; 111 tests were needed to test all samples when virologic failure was defined at HIV RNA ≥ 200 copies/ml. Therefore, 104 tests were saved over individual testing, with a relative efficiency of 0.48. When evaluating costs, a total of US$ 14,144 was saved for 215 individual samples during 10 months. The negative predictive value was 99.5% for all samples with HIV RNA ≥ 200 copies/ml. <I>Conclusions:</I> The pooled NAT with 5 minipool + algorithm strategy seems to be a very promising approach to effectively monitor patients receiving ART and to save resources.</P>
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( Hea Won Ann ),( Jae Kyung Kim ),( Heun Choi ),( Su Jin Jeong ),( Sun Bean Kim ),( Nam Su Ku ),( Sang Hoon Han,),( Chang Oh Kim ),( Jun Yong Choi ),( Young Goo Song ),( June Myung Kim ) 대한내과학회 2013 대한내과학회 추계학술대회 Vol.2013 No.1
Objectives: The early-goal directed therapy (EGDT) is the current standard approach in severe sepsis patients, which can ameliorate the survival rate up to 10-15 percent. Stress-induced cardiomyopathy (SCMP) is regarded as an acute reversible cardiomyopathy that mimics acute coronary syndrome and increasingly being observed during intensive care with critical ill patients. However, there is no known whether the development of SCMP can affect the clinical outcome in severe sepsis patients received EGDT. Methods: The retrospective cohort study was performed in single center, Severance Hospital. We enrolled total 144 severe sepsis patients with more than 20-years old who received EGDT and transthoracic echocardiography (TTE) within 3 days after emergency department arrival during from January 2008 to June 2012. The demographic, clinical, and laboratory data including EGDT-associated parameters was retrospectively collected from electric medical record. The primary end-point was the 28-day all-cause mortality. The diagnosis of SCMP was defined through the following modified ‘Proposed Mayo Clinic criteria’: (1) an acute cardiac event typically presenting with chest pain and/or dyspnea; (2) transient systolic dysfunction with marked LV contraction abnormality; (3) new ECG abnormalities or modest elevation in cardiac troponin level. Results: The SCMP was identified in 29 (20.1%) patient. The frequency of male and history of diabetes mellitus in patients with SCMP was higher than those in patients without SCMP (72.4% vs. 50.4%, p=0.038 and 48.3% vs. 25.7%, p=0.024, respectively). The patients with SCMP had the higher levels of delta neutrophil index and APACHE II score (27.8±24.1 vs. 14.7±15.4, p=0.006 and 23.3±6.8 vs. 19.5±7.1, p=0.016, respectively). The 7- and 28-day all-cause mortalities were higher in patients with SCMP compared with patients without SCMP (20.7% vs. 6.2%, p=0.026, 37.9% vs. 18.6%, p=0.044). In the Cox`s regression model, the presence of SCMP was the independent factor associated with 28-day all-cause mortality (OR, 2.7, 95% CI 1.8-8.6, p=0.034). Conclusions: The development of SCMP in spite of successful management by EGDT in severe sepsis patients can increase all-cause mortality.
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