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( Jinyoung Moon ),( Nakwon Kwak ),( Jin Lim ),( Dong Jin Go ),( Jae Hyun Lee ),( Jin Kyun Park ),( Eun Bong Lee ),( Yeong Wook Song ),( Jai Il Youn ),( Eun Young Lee ) 대한류마티스학회 2015 대한류마티스학회지 Vol.22 No.4
Nowadays, tumor necrosis factor-α (TNF-α) blockers are used for treatment of rheumatoid arthritis, inflammatory bowel diseases, ankylosing spondylitis, psoriatic arthritis, and psoriasis. Paradoxically, there are some reports on the appearance of psoriasis after administration of TNF-α blockers. Here, we report on a patient with monoarthritis in a knee joint who experienced psoriasis after TNF-α blocker therapy (adalimumab and etanercept). Oral medication was not a treatment option due to patient intolerance; thus, we tried ustekinumab, an anti-interleukin (IL)-12/23 monoclonal antibody used for treatment of psoriasis. Following ustekinumab injection, psoriatic skin lesions and joint symptoms were much improved. However, in the following period, joint pain and swelling became aggravated and synovial fluid cytokine levels including IL-6 and IL-17 were elevated. The treatment was changed to tocilizumab, a humanized monoclonal antibody against IL-6 receptor. After injection, knee joint swelling rapidly subsided without worsening of psoriatic skin lesions. (J Rheum Dis 2015;22:263-268)
Jinyoung Moon,Jongyoul Park,Jungtae Kim,Euihyun Paik 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
IPTV systems adopting one of conditional access systems for contents security have a difficulty in changing the conditional access system embedded in a set-top box or on a removable hardware device. However, software downloading through an IP network enables an IPTV set-top box to change its existing conditional access system in a secure way. This paper proposes a synchronization mechanism for the dynamic conditional access system that securely downloads and seamlessly executes conditional access software. The proposed synchronization mechanism enables the dynamic conditional access system to pre-download the required software in advance and to lengthen the replacement delay.
( Jinyoung Moon ),( Jeong Seok Lee ),( Young Im Yoon ),( Sung Hae Chang ),( Yeon Ah Lee ),( You-jung Ha ),( Eun Ha Kang ),( Yong-beom Park ),( Hwa Jung Lee ),( Jung-yoon Choi ),( Eun Young Lee ) 대한류마티스학회 2021 대한류마티스학회지 Vol.28 No.4
Objective. The increase in mortality in rheumatoid arthritis (RA) patients with interstitial lung disease (ILD) is well known. However, there are few studies on serum markers that can evaluate acute exacerbation or prognosis in RA-ILD patients. The purpose of this study was to identify the association between biomarkers and lung lesions in patients with RA-ILD. Methods. We analyzed 153 patients with serum samples in a prospective, multicenter cohort of Korean RA-ILD patients. The serum levels of biomarkers, matrix metalloproteinase (MMP-7), surfactant protein-D (SP-D), and Krebs von den Lungen-6 (KL-6) were measured and correlated with forced vital capacity (FVC), diffusing capacity for carbon monoxide (DLCO) and the results of computed tomography (CT). CT results were interpreted semi-quantitatively according to the extent of lung lesions (grade 1, 0%∼25%; grade 2, 26%∼50%; grade 3, 51%∼75%; grade 4, 76%∼100%). Results. MMP-7, SP-D, and KL-6 were negatively correlated with FVC (MMP-7, r=-0.267, p=0.001; SP-D, r=-0.250, p=0.002; KL-6, r=-0.223, p=0.006) and DLCO (MMP-7, r=-0.404, p<0.001; SP-D, r=-0.286, p=0.001; KL-6, r=-0.226, p=0.007). In addition, MMP-7, SP-D, and KL-6 tended to increase with higher grades of lung lesions on CT (MMP-7, p=0.013; SP-D, p<0.001; KL-6, p<0.001). Conclusion. MMP-7, SP-D, and KL-6 can be used to evaluate the functional and anatomical status of lung involvement in the RA-ILD patients. (J Rheum Dis 2021;28:234-241)
Enabling Interoperable Conditional Access Services on the IPTV through Software Downloading
Jinyoung Moon,Jongyoul Park,Jungtae Kim,Euihyun Paik 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
To prohibit the unauthorized accesses on premium contents, IPTV service providers need to adopt Conditional Access System (CAS) services. Adopting an IP CAS enables the service provider to make profit from the IPTV and to persuade the content providers that they manage the contents securely. Although several standard specifications have been published for interoperable CAS models, the CAS models are based on the unidirectional or restricted bi-directional broadcasting network and do not utilize the characteristics of IP network. In this paper, we introduce the interoperable CAS services for the IPTV through software downloading. For providing the CAS services, we derive the necessary system components for an interoperable CAS and analyze their requirement.
Detecting user attention to video segments using interval EEG features
Moon, Jinyoung,Kwon, Yongjin,Park, Jongyoul,Yoon, Wan Chul Pergamon 2019 Expert Systems with Applications Vol.115 No.-
<P><B>Abstract</B></P> <P>To manage voluminous viewed videos, which US adults watch at a rate of more than five hours per day on average, an automatic method of detecting highly attended video segments during video viewing is required to access them for fine-grained sharing and rewatching. Most electroencephalography (EEG)-based studies of user state analysis have addressed the recognition of attention-related states in a specific task condition, such as drowsiness during driving, attention during learning, and mental fatigue during task execution. In contrast to attention in a specific task condition, both inattention and normal attention are meaningless to viewers in terms of managing viewed videos, while detecting high attention paid to video segments would make a valuable contribution to an automatic management system of viewed videos based on viewer attention. To the best of our knowledge, this is the first EEG-based study of detecting viewer attention paid to video segments. This study describes how to collect video-induced EEG and attention data for video segments from viewers without bias to specific genres and how to construct a subject-independent detection model for the top 20% of viewer attention. The attention detection model using the proposed interval EEG features from 14 channels achieved the best average F<SUB>1</SUB> score of 39.79% with an average accuracy of 52.96%. Additionally, this paper proposes a channel-based feature selection method that considers both the performances of single-channel models and their physical locations for investigating the group of channels relevant to attention detection. The attention detection models using the interval EEG features from all four or some of the channels located in the fronto-central, parietal, temporal, and occipital lobes of the left hemisphere achieved the best F<SUB>1</SUB> score of 39.60% with an average accuracy of 48.70%. It is shown that these models achieve better performance than models using the features from all four or some of their symmetric channels in the right hemisphere and models using the features from six channels located in the anterior-frontal and frontal lobes of the left and right hemispheres. This paper shows the feasibility of subject-independent and genre-independent attention detection models using a wireless EEG headset with optimized channels; these models can be applied to an intelligent video management system based on viewer attention in real-world scenarios.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A method of detecting the top 20% of viewer attention to video segments is proposed. </LI> <LI> This is the first study of detecting viewer attention during video viewing. </LI> <LI> All subject-independent models unbiased to specific genres are evaluated. </LI> <LI> The all-14-channel, single-channel, and selected multi-channel models are included. </LI> <LI> The interval band ratio features are the most suitable for all the types of models. </LI> </UL> </P>
JinYoung Moon 한국농식품정책학회 2011 한국농식품정책학회 학술대회 논문집 Vol.2011 No.4
Are cellulosic feedstocks for biofuel production a promising alternative considering economic and environmental aspects? A regional model of agricultural production in the watershed is constructed to analyze the economic and environmental impacts of cellulosic feedstock production. The model has a multi-region structure with various crop production activities and a high level of spatial details that previous studies do not consider. SWAT, a biophysical simulation model, is used to simulate the effects of feedstock production on soil and water quality in the Le Sueur River Watershed (LRW) in south-central Minnesota. Findings indicate that intensive corn production expands to whole watershed and more regions are covered with high levels of nutrient losses as corn stover production increases.
Clinical Practice Guideline for Care in the Last Days of Life
Jinyoung Shin,Yoon Jung Chang,So-Jung Park,Jin Young Choi,Sun-Hyun Kim,최윤선,Nam Hee Kim,Ho-Kee Yum,남은미,박명희,Nayeon Moon,Jee Youn Moon,강희택,강정훈,박재민,Chung-Woo Lee,김선영,이은정,고수진,Yonghwan Kim,Myongjin Agnes Ch 한국호스피스완화의료학회 2020 한국호스피스.완화의료학회지 Vol.23 No.3
A clinical practice guideline for patients in the dying process in general wards and their families, developed through an evidence-based process, is presented herein. The purpose of this guideline is to enable a peaceful death based on an understanding of suitable management of patients’ physical and mental symptoms, psychological support, appropriate decision- making, family care, and clearly-defined team roles. Although there are limits to the available evidence regarding medical issues in patients facing death, the final recommendations were determined from expert advice and feedback, considering values and preferences related to medical treatment, benefits and harms, and applicability in the real world. This guideline should be applied in a way that takes into account specific health care environments, including the resources of medical staff and differences in the available resources of each institution. This guideline can be used by all medical institutions in South Korea.