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김태석,이초희 한국지형학회 2023 한국지형학회지 Vol.30 No.1
The analysis of the lineament is the first task to identify the active fault trace, and DEM constructed from digital topographic map and LiDAR has been mainly used. In urban areas where it is difficult to observe the original topography due to artificial deformation of the surface, lineaments are identified from the restored original topography DEM built from historic aerial photos. Unlike other countries, there has not been much discussion in Korea, about how reliable and robust DEM can be constructed from historic aerial photo in which is conducive to identifying fault-related topography and extracting lineaments in urban areas. In this study, through comparative analysis with digital topographic map-based DEMs, we evaluated how effective historic aerial photo DEMs can be in identifying any fault-related topography in the Hongseong area. Our study demonstrates the DEM built from historic aerial photos is robust and reliable in identifying tectonic lineaments that were not detected in the DEM based on the digital topographic map because any original trace of fault-related topography may have been destructed due to urbanization.
김태석,김종수 한국멀티미디어학회 2016 멀티미디어학회논문지 Vol.19 No.8
If the undo/redo function is not reflected in the initial design of an application, it makes it difficult to implement the undo/redo function additionally, in this paper, we examined some examples to design the sodoku game and analyzed problems of the design to implement the undo/redo functions. For an efficient design of the undo/redo functions without using swing.undo package, we propose a class design using the Command, Memento, and Observer pattern these are used as organic. The proposed method is more efficient for distributed work than other method. We implemented a sudoku game using proposed design. In the undo/redo function testing, we could see that it works well.
김태석,안근수,김용훈,김형태,강구정 대한이식학회 2016 Korean Journal of Transplantation Vol.30 No.2
Background: Patient adherence to immunosuppressant regimens after organ transplant is crucial to preserve graft function, and simplifying the regimen improves adherence. In this study, our experience of conversion from twice-daily (b.i.d.) to once-daily (q.d.) tacrolimus (TAC) in stable liver transplant recipients is reviewed and the proper conversion regimen is investigated. Methods: Between November 2011 and August 2012, the regimen was converted in 32 stable liver transplant recipients, and data on the conversions gathered retrospectively from medical records. TAC trough level, dose, and laboratory findings were evaluated at preconversion and 1 to 12 months after conversion. Results: Conversion from b.i.d. to q.d. regimen was based on 1:1 proportion in 16 patients and dose escalation in 16 patients. The mean conversion time after transplant was 56.8 months (range; 21∼94). Reconversion to b.i.d. regimen was needed in nine patients. Among these patients, seven patients needed titration due to elevated liver enzyme. The trough level decreased significantly after conversion (from 4.7 to 3.1 ng/mL) in patients with conversion at 1:1 proportion, while increasing slightly without statistical significance (3.7 to 4.0 ng/mL) in patients with dose escalation. At 1 year after conversion, dose adjustment was required to preserve trough level and graft function in 14 patients. Conclusions: Based on our results, TAC q.d. formulation can be a useful option to improve adherence in stable liver transplant recipients. However, dose titration should be considered for preserving proper trough level in case of low TAC level or TAC single regimen.
김태석,여익현,이윤범 한국콩연구회 1995 韓國콩硏究會誌 Vol.12 No.2
포장두부의 안정성을 측정하고자 하는 미생물실험은 결과가 1∼2일 후에야 나오므로 생산 또는 판매현장에서 측정하는 것은 불가능하다. 바로 측정하여 결과를 예측할 수 있는 간접지표는 유통기한이 짧은 식품의 경우 더욱 필요한 상황이다. 따라서, 본 연구는 포장두부 충진수의 탁도 및 pH를 간접지표로 이용하여 미생물적 안정성을 측정할 수 있는지를 확인하였다. 또한, 저온살균(70℃)을 통하여 초기 미생물수준을 낮추므로 충진수의 탁도 및 pH와 미생물수준의 관계를 보다 정확하게 측정, 비교하였다. 저온살균시 포장두부의 일반성분에 영향을 미치는지를 분석하였는데 두부의 수분, 조단백, 조지방, 회분 등의 일반성분 조성에는 영향을 미치지 않는다. 저장성(10℃) 에 있어서는 부패의 초기수준을 10^7∼10^8CFU/g 으로 할때, 무처리 대조군의 경우 4일 경과후 부패가 진행된 것에 비하여 저온살균처리 5분의 경우 7일, 10분의 경우 10일 경과후 미생물 수준이 부패 초기수준에 도달하였으며, 20분 이상처리군의 경우 15일 경과 시점까지 10^7 CFU/g에 미치지 않았다. 포장두부에서 두부에 존재하는 미생물의 증가와 두부 충진수의 탁도 및 pH는 상관관계가 있어서 두부의 미생물의 10^5 CFU/g 수준에 이르면 충진수의 탁도는 0.1 이상의 값을 나타내었고 부패의 초기수준에 이르면 충진수의 탁도는 1.0 이상의 값을 나타내었다. pH의 경우 두부의 미생물의 10^5 CFU/g 수준에 이르면 충진수의 pH는 5.6 이하의 값을 나타내었고 부패의 초기수준에 이르면 5.0 이하의 값을 나타내었다. 포장두부에서 간접지표로 선택한 충진수의 pH의 탁도는 두부의 미생물수와 밀접한 관계를 나타내었다.
Management of Disc Displacement with Retrodiscitis after Macrotrauma: A Case Report
김태석,이연희 대한안면통증∙구강내과학회 2023 Journal of Oral Medicine and Pain Vol.48 No.1
We present the case of a 60-year-old male with post-macrotrauma disc displacement and retrodiscitis, in which temporomandibular joint (TMJ) injection and manual therapy were used to alleviate his symptoms. He visited our clinic with complaints of pain and swelling in his right facial area and malocclusion of his right side teeth after being hit on the right side of his face five days earlier. During clinical and radiological examinations, the inflammatory state of the joint and disc displacement on the right side, which led to malocclusion, were noted. At the initial visit, we performed TMJ intracapsular injection and prescribed medications to control pain and inflammation. Simultaneously, manual manipulation was performed to relocate the disc. The same treatments were employed two days later. However, 10 days after the first visit, his symptoms did not mitigate substantially. We also performed magnetic resonance imaging (MRI), prescribed nortriptyline, and created a stabilization splint. MRI images depicted inflammatory disc displacement and joint effusion in the right TMJ. Based on the accurate diagnosis, we kept administering a stabilization splint, intra-articular injection, and medication. His signs and symptoms were alleviated 20 days after the initial visit and did not reoccur for the next 40 days.
김태석,민정아,원왕연,이창욱,이철 대한신경정신의학회 2011 신경정신의학 Vol.50 No.1
Objectives Weight loss surgery (WLS) is an effective treatment for morbidly obese patients. A pre- and postoperative multimodal team-based approach is essential for maximizing the efficacy of WLS. Although there is currently no standard psychiatric approach in WLS programs, this paper summarizes the value and methods of assessment and intervention suggested in the literature. Methods A Pubmed search of English-language reports (1985 to 2010) and a manual search of bibliographies of related papers were reviewed. Relevant clinical information was extracted. Results Patients receiving WLS show a substantial prevalence of psychopathology, including depression, anxiety, and eating disorders, and also impaired quality of life. Most psychiatric symptoms and impaired psychosocial functioning tend to be improved after WLS, and this improvement is one of the important goals of WLS besides weight loss. However, outcomes are not promising in all patients, and the literature suggests that some psychiatric variables have prognostic value. One of the most widely researched poor prognostic factors is postoperative binge eating disorder. The identification of vulnerable patients and the offer of an appropriate intervention may be critical for their future full recovery. Conclusion There are several reasons why psychiatric evaluation and intervention are worthwhile in a WLS program. Further researches will be required for the establishment of prognostic psychological factors, their biological mechanisms, and clinical guidelines for psychiatric assessment and intervention. Objectives Weight loss surgery (WLS) is an effective treatment for morbidly obese patients. A pre- and postoperative multimodal team-based approach is essential for maximizing the efficacy of WLS. Although there is currently no standard psychiatric approach in WLS programs, this paper summarizes the value and methods of assessment and intervention suggested in the literature. Methods A Pubmed search of English-language reports (1985 to 2010) and a manual search of bibliographies of related papers were reviewed. Relevant clinical information was extracted. Results Patients receiving WLS show a substantial prevalence of psychopathology, including depression, anxiety, and eating disorders, and also impaired quality of life. Most psychiatric symptoms and impaired psychosocial functioning tend to be improved after WLS, and this improvement is one of the important goals of WLS besides weight loss. However, outcomes are not promising in all patients, and the literature suggests that some psychiatric variables have prognostic value. One of the most widely researched poor prognostic factors is postoperative binge eating disorder. The identification of vulnerable patients and the offer of an appropriate intervention may be critical for their future full recovery. Conclusion There are several reasons why psychiatric evaluation and intervention are worthwhile in a WLS program. Further researches will be required for the establishment of prognostic psychological factors, their biological mechanisms, and clinical guidelines for psychiatric assessment and intervention.
김태석,강명호,임경리,오원섭,천성빈,유숙원,이길수,이승준 대한감염학회 2010 Infection and Chemotherapy Vol.42 No.4
Infection with influenza virus results in acquisition of immunity, preventing reinfection with the homologous virus. Although reinfection following primary infection is rare,its incidence depends on immunity of human body, antigenic diversity of influenza virus, and the presence of outbreak in the community. During the pandemic influenza (H1N1 2009), a child and two women were reinfected by H1N1 influenza virus several weeks after the primary infection, and they were successfully treated again by oseltamivir. This case series will provide additional information on diagnosis,treatment, and prevention of the pandemic influenza (H1N1 2009).