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( Juyoung Shin ),( Min Hee Kim ),( Kun Ho Yoon ),( Moo Il Kang ),( Bong Yun Cha ),( Dong Jun Lim ) 대한내과학회 2016 The Korean Journal of Internal Medicine Vol.31 No.1
Background/Aims: This study evaluated the relationship between thyroid nodules and metabolic syndrome (MS) and its components in apparently healthy Koreans. Methods: We reviewed the records of 3,298 subjects with no noticeable symptoms who underwent thyroid ultrasound imaging as part of a routine check-up between July 2009 and June 2010; of these, 1,308 were excluded based upon predefined criteria. Among the remaining 1,990 patients, we examined the association between MS and its components and the incidence of thyroid nodules. Results: Of the 1,990 subjects included in this study, 38.4% (n = 764) had thyroid nodules and 12.7% (n = 253) had MS. Female sex, older age, higher body mass index, larger waist circumference, higher glycated hemoglobin level, lower thyroid stimulating hormone level, and presence of MS were all closely related with the presence of thyroid nodules (all p < 0.05). Furthermore, the relevant number of MS components showed a positive linear correlation with the occurrence of thyroid nodules (p < 0.001). Evidence of MS alone was not independently associated with thyroid nodules after adjusting for sex and age in a multivariate binary logistic regression analysis; however, glycated hemoglobin for females and waist circumference for males, as well as both age and thyroid stimulating hormone for all patients, were identified as independent predictors for the existence of thyroid nodules (all p < 0.05).Conclusions: This study suggests a positive relationship between the components of MS and thyroid nodules in an ostensibly healthy Korean population. Our data support the idea that the recent increase in thyroid nodules is partly due to increases in both MS and obesity.
Increasing Individual Target Glucose Levels to Prevent Hypoglycemia in Patients with Diabetes
Shin Juyoung,김현아,Kim Hun-Sung,Kim Churlmin,Choi Whan-Seok 대한가정의학회 2021 Korean Journal of Family Medicine Vol.42 No.4
Hypoglycemia is one of the severe complications of diabetes. To prevent hypoglycemia, an emphasis is placed on maintaining an appropriate balance between nutrition, activity, and treatment, which can be achieved by the repetition of self-trials based on self-monitoring. Clinicians routinely focus on patients’ contribution, including timely intake of an adequate amount of carbohydrates, physical activity, antidiabetic medication, and abstinence from alcohol. Recently, many guidelines have highlighted the importance of clinicians’ factors and recommend individualized treatments according to lifestyle patterns and specific needs following the de-intensification of treatment. The optimal value of hemoglobin A1c (HbA1c) levels for blood glucose level regulation remains controversial among countries, but it generally does not exceed 8.0%. In populations that are at a risk of hypoglycemia, such as the older adults, it is advisable to adjust the target blood glucose level to less than 8.0%. Meanwhile, a blood glucose level of 7.0%–7.5% is generally recommended for healthy older adults. If the expected lifetime is shorter than 10 years or in patients with chronic kidney disease and severe cardiovascular disease, the HbA1c level target can be increased to 7.5%–8.0%. For even shorter lifetime expectancy, the target can be adjusted up to 8.0%–9.0%. To prevent hypoglycemia, the target blood glucose level needs to be adjusted, particularly in older adult patients. Ultimately, it is important to identify the maximum blood glucose levels that do not cause hypoglycemia and the minimum blood glucose levels that do not cause hyperglycemia-associated complications.
신주영(JuYoung Shin),이혜연(HyeYeon Lee),김성연(SeongYeon Kim),배병철(ByungChull Bae),조준동(JunDong Cho) 한국HCI학회 2014 한국HCI학회 학술대회 Vol.2014 No.12
본 연구는 올바른 보행의 중요성을 알아보고, 걸음걸이 관리를 위한 시각적 피드백 시스템을 제안한다. 이전의 연구들은 걸음걸이 측정 방법과 기술개발에 집중했지만, 사용자의 만족도, 행동변화에 대한 연구는 부족했다. 이 논문에서 제안하는 시스템은 실시간으로 걸음걸이 형태를 감지하는 웨어러블 디바이스와 사용자가 걸음걸이를 관리할 수 있도록 정보를 제공하는 어플리케이션으로 구성된다. 본 연구는 사용자에게 올바른 걸음걸이에 대한 동기부여를 높여주고 걸음걸이가 교정될 수 있도록 도움을 줄 것으로 기대한다. The gait is an important part of healthy life. In this study, we design a visual feedback system for gait management. Previous studies are primarily focused on technology to accurately measure walking. Therefore, we suggest a system to monitor gait in real-time and provide visual feedback information. System structure involves wearable device and Smartphone application. The goal of our study is to increase motivation and help to correct the gait for user.
Subnet Multicast for Delivery of One-to-Many Multicast Applications
Juyoung Park,Seok Joo Koh,Shin Gak Kang 에스케이텔레콤 (주) 2002 Telecommunications Review Vol.12 No.5
We propose a new delivery scheme for one-to-many multicast applications such as webcasting service used for the web-based broadcasting of contents streams in Internet. The proposed scheme is based on the unicast transport from a remote sender to a subnet host and the subsequent multicast transmissions to the other receiving hosts within the subnet. The main design goal of this scheme is to improve transmission efficiency over the existing unicast transports, without help of multicast-capable networks. The proposed scheme has been tested and compared with the unicast-only transports in terms of the amount of traffic generated in the subnetworks. From experimental results, we see that the proposed scheme provides a nearly same performance as IP multicasting does in the subnetwork environments. Recognizing that IP multicast seems to be a little more delayed, it is expected that the proposed scheme can be used as an alternative short-term solution for one-to-many multicast services over the unicast networks.
Shin, Hyun-Il,Lee, Juyoung,Kim, Dae-Kee John Wiley Sons, Ltd. 2006 Journal of labelled compounds & radiopharmaceutica Vol.49 No.13
<P>A new <SUP>14</SUP>C-labelled PDE5 inhibitor, 5-ethyl-2-{5-[4-(2-hydroxyethyl)piperazin-1-ylsulfonyl]-2-n-propoxyphenyl}-7-n-propyl-3,5-dihydro-4H-pyrrolo[3,2-d ]-[2-<SUP>14</SUP>C]pyrimidin-4-one·2 HCl (<SUP>14</SUP>C-SK3530·2 HCl) (1·2 HCl) was synthesized through a straightforward six-step sequence from the readily available [<SUP>14</SUP>C-carbonyl]methyl salicylate (2). The overall radiochemical yield of the 1·2 HCl from 2 was 10.5%, and its radiochemical purity was 98.8%. Copyright © 2006 John Wiley & Sons, Ltd.</P>
Weight Change Prediction for Automated Depression Diagnosis
Juyoung Hong,Jeongmin Shin,Yujin Hwang,Jeongmin Lee,Yukyung Choi 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
Early detection of depression through self-diagnosis is challenging. Especially survey-based self-diagnosis can lead to incorrect results because the answer contains the subjective opinion of the respondent. To overcome this problem, the multi sensor-based method using a smartphone has been proposed as an alternative for self-diagnosis of depression. These methods diagnose depression by using various sensor data that represented typical depression symptoms from the smartphone. However, sensor data have difficulty estimating weight changes, a representative symptom of depression. In this paper, we propose a facial image-based weight change estimation method for use in diagnosing depression. In particular, we show i) simple feature engineering, designed to fast and robustly compare between two facial images using 3D face landmarks, ii) face alignment processing that makes the model accurately compare facial images which were taken from various viewpoints, and iii) a novel preprocessing with monocular depth estimation to solve scale variance according to variation of distance between the camera and face. This code is available at https://github.com/sejong-rcv/Weight-Change-Prediction.