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정태영,최영민,김봉석,이동우,김민숙,박준현,Jeong, Tae-Yeong,Choi, Young-Min,Kim, Bong-Seog,Lee, Dong-Woo,Gim, Min-Sook,Park, Jun-Hyun 대한생물정신의학회 2012 생물정신의학 Vol.19 No.2
Objectives : The purpose of this study was to examine the changes in metabolic parameters and Positive and Negative Syndrome Scale (PANSS) scores of patients previously treated with atypical antipsychotic drugs other than paliperidone, after 8 weeks of treatment with paliperidone. Methods : Changes in body weight, body mass index, leptin, lipid levels, fasting glucose, and PANSS scores of patients who switched from other atypical antipsychotic drugs to paliperidone were measured after 8 weeks of treatment with paliperidone. We compared these results with those of patients who had not been treated with antipsychotic drugs for at least 2 weeks prior to treatment with paliperidone (antipsychotic drug-free patients). Results : The antipsychotic drug-free group (n = 9) did not show significant changes in metabolic parameters, but showed a significant improvement in total and subscale scores of PANSS. In the group that switched from other atypical antipsychotic drugs to paliperidone (n = 13), body weight, body mass index and fasting glucose level significantly increased, while total and subscale scores of PANSS significantly improved. Conclusions : Paliperidone treatment will benefit patients with schizophrenia who have been antipsychotic drug-free or who have had difficulty with other atypical antipsychotic drugs, with regard to their psychopathological state. However, if patients have been treated with other atypical antipsychotic drugs before switching to paliperidone, they could gain body weight or their fasting glucose level could increase over a short period because of a change in receptor number and sensitivity caused by the previously prescribed antipsychotic drugs, and hence, paliperidone should be prescribed with caution for these patients.
하악 체부 골절부위에 이환된 백악질 골화성 섬유종: 증례보고
정태영,김소현,조현주,박상준,Jung, Tae-Young,Kim, So-Hyun,Jo, Hyun-Joo,Park, Sang-Jun 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.5
Cemento-ossifying fibroma is a true osteogenic neoplasm. It is also called as ossifying fibroma or cementify-ing fibroma. Small lesions seldom cause any symptoms and are detected only on radiographic examination. Large lesions result in a painless swelling of the involved bone. In radiographic features the lesion most often is well defined and unilocular. It may appear completely radiolucent, or more often varying degrees of rdiopacity. It is composed of fibrous tissue that contains a variable mixture of bony trabeculae,cementum-like spherules, or both. Treatment of most lesions generally is enucleation of tumor. However, some lesions which have grown large and destroyed considerable bone, may necessitate surgical resection and bone grafting. This case was the bony lesion that was found by accident in patient with mandibular left body and subcondylar fracture. In radiographic examination, there was a mixed radiolucent and radiopaque lesion in mandibular left body area with fracture line. We treated on mandibular left body and subcondylar fracture and enucleated the lesion on the left body area simultaneously. At surgical exploration, the lesion was well demarcated from the surrounding bone, thus permitting relatively easy separation of the tumor from its bony bed. In histopathologic examination, the lesion contained bony trabeculae and cementum-like spherules within a background of cellular fibrous connective tissue. It finally diagnosed as cemento-ossify-ing fibroma from the result of biopsy.
DC 급전계통 선택차단형 통합보호계전기 보호요소 IEC 61850 Logical Node 설계
정태영(Tae-Young Jung),윤준석(Jun-Seok Yun),김인웅(In-Woong Kim),안태풍(Tae-Pung An),정호성(Ho-Sung Jung),김진호(Jin-Ho Kim) 대한전기학회 2012 전기학회논문지 Vol.61 No.3
There are several protective relays used to protect DC traction power supply system for DC railway. These relays, however, are made by different manufactures and they have different ways for their operations. Therefore, there are difficulties for cooperation between the devices or the devices and an upper system. In order to increase interoperability and stability of the system composed of devices made by different manufactures, IEC 61850 international standards are applied to design logical nodes for modeling protective elements used in protective relays.
당뇨유도 백서 경골에 티타늄 임플란트 매식 시 지방조직 유래 줄기세포 주입 후저출력 초음파 적용이 골치유에 미치는 영향
정태영(Tae-Young Jung),박상준(Sang-Jun Park),황대석(Dae-Suk Hwang),김용덕(Yong-Deok Kim),이수운(Soo-Woon Lee),김욱규(Uk-Kyu Kim) 대한구강악안면외과학회 2011 대한구강악안면외과학회지 Vol.37 No.4
Introduction: This study examined the effect of the application of low intensity pulsed ultrasound on bone healing after an injection of adipose tissue-derived stem cells (ADSCs) during the implantation of a titanium implant in the tibia of diabetes-induced rats. Materials and Methods: Twelve Sprague-Dawely rats were used. After inducing diabetes, the ADSCs were injected into the hole for the implant. Customized screw type implants, 2.0 mm in diameter and 3.5 ㎜ in length, were implanted in both the tibia of the diabetes-induced rats. After implantation, LIPUS was applied with parameters of 3 MHz, 40 mW/cm 2 , and 10 minutes for 7 days to the left tibiae (experimental group) of the diabetesinduced rats. The right tibiae in each rat were used in the control group. At 1, 2 and 4 week rats were sacrificed, and the bone tissues of both tibia were harvested. The bone tissues of the three rats in each week were used for bone-to-implant contact (BIC) and bone area (BA) analyses and the bone tissues of one rat were used to make sagittal serial sections. Results: In histomorphometric analyses, the BIC in the experimental and control group were respectively, 39.00±18.17% and 42.87±9.27% at 1 week, 43.74±6.83% and 32.27±6.00% at 2 weeks, and 32.62±11.02% and 47.10±9.77% at 4 weeks. The BA in experimental and control group were respectively, 37.28±3.68% and 31.90±2.84% at 1 week, 20.62±2.47% and 15.64±2.69% at 2 weeks, and 11.37±4.54% and 17.69±8.77% at 4 weeks. In immunohistochemistry analyses, Osteoprotegerin expression was strong at 1 and 2 weeks in the experimental group than the control group. Receptor activator of nuclear factor kB ligand expression showed similar staining at each week in the experimental and control group. Conclusion: These results suggest that the application of low intensity pulsed ultrasound after an injection of adipose tissue-derived stem cells during the implantation of titanium implants in the tibia of diabetes-induced rats provided some positive effect on bone regeneration at the early stage after implantation. On the other hand, this method is unable to increase the level of osseointegration and bone regeneration of the implant in an uncontrolled diabetic patient.
韓國 在來 赤米 蒐集 및 特性 檢定 Ⅳ. 同位酵素에 의한 韓國 在來赤米와 栽培벼 및 外國赤米와의 類緣關係
Jun Hyeon Cho(趙埈賢),Hak Sao Suh(徐學洙),Tae Young Chung(鄭泰英),Moo Yeong Eun(殷戊永) 한국육종학회 1992 한국육종학회지 Vol.24 No.4
In order to test affinity relations among the Korean red rices, Indica and Japonica cultivars, and the foriegn red rices six isozymes esterase, malic enzyme, phosphoglucose isomerase, peroxydase, hexokinase and amylase were analyzed. The long grain Korean red rices showed very similar band patterns with the Chinese red rices from Anhui province and relatively similar band patterns with Indica cultivars in six isozymes. The short grain Korean red rices showed the specific bands in hexokinase isozyme, and showed relativey close affinity with the Japonica cultivars and the red rice Latsibavy from South East Asia. Reactions of the long grain Korean red rices to the six isozymes were almost same, however those of the short grain Korean red rices were variable.
정태영(Tae-Young Jung),채병무(Byung-Moo Chae),정용선(Yong-Seon Jeong),박상준(Sang-Jun Park) 대한구강악안면외과학회 2010 대한구강악안면외과학회지 Vol.36 No.4
Odontogenic infections are a normally locally confined, self-limiting process that is easily treated by antibiotic therapy and local surgical treatment. However, it may spread into the surrounding tissues through a perforation of the bone, and into contiguous fascial spaces or planes like the primary or secondary fascial spaces. If the infection extends widely, it may spread into the lateral pharyngeal and retropharyngeal space. The retropharyngeal space is located posterior to the pharynx. If an odontogenic infection spreads into this space, severe life-threatening complications will occur, such as airway obstruction, mediastinitis, pericarditis, pleurisy, pulmonary abscess, aspiration pneumonia and hematogenous dissemination to the distant organs. The mortality rate of mediastinitis ranges from 35% to 50%. Therefore, a rapid evaluation and treatment are essential for treating retropharyngeal space abscesses and preventing severe complications. Recently, we encountered two cases of a retropharyngeal space abscess due to the spread of an odontogenic infection. In all patients, early diagnosis was performed by computed tomography scanning and a physical examination. All patients were treated successfully by extensive surgical and antibiotic therapy.
오리피스 유체 댐퍼를 이용한 건축 구조물 진동제어의 실험적 연구
정태영(Chung, Tae-Young),임채욱(Lim, Chae-Wook),김병현(Kim, Byung-Hyun),문석준(Moon, Seok-Jun) 한국소음진동공학회 2002 한국소음진동공학회 논문집 Vol.12 No.6
An orificed fluid damper(OFD) having the capacity of about 2 tons was designed and fabricated, and series of tests were performed to grasp the fundamental performance characteristics of it. Several important findings were observed and introduced in this paper. It was applied to a 6-story steel structure under random excitation and seismic excitation for the confirmation of its validity on structural vibration absolution. The experimental results demonstrated that the addition of an OFD to the test structure is very effective in reduction of vibration level of the higher modes as well as the fundamental mode. Maxwell model was adopted to describe the frequency-dependent characteristics of the fabricated OFD and the numerical simulation was carried for the test structure. It was confirmed that the experimentally and numerically simulated results agree well.