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PD-1 억제제의 사용패턴 및 갑상선 관련 유해사례 발현 양상 분석
황서영,김희재,정선영,민명숙,서동철,Hwang, Seoyoung,Kim, Heuijae,Chung, Seonyoung,Min, Myungsook,Suh, Dong-Churl 한국임상약학회 2021 한국임상약학회지 Vol.31 No.3
Objective: PD-1 inhibitors have demonstrated improved health outcomes in cancer patients. PD-1 inhibitors are well-tolerated and associated with immune-related adverse events. The objectives of this study are to analyze use patterns of PD-1 inhibitors in patients with cancer and to investigate the incidence of thyroid-related adverse reactions in patients treated with PD-1 inhibitors. Methods: The study included patients who had been administered PD-1 inhibitors (either nivolumab or pembrolizumab) at the Samsung Medical Center between October 1, 2016 and June 30, 2017. Data was collected from electronic medical records and tested using Mann-Whitney tests and Chi-Square tests for statistical significance. Associations between PD-1 inhibitors and incidence of adverse events were tested using Cox regression for age, gender, BMI, ECOG PS and medication. Results: Two hundred fifteen patients were identified as eligible for analyses. Thyroid-related adverse events occurred in 20% of patients (n=43). Thyroid function tests (TFTs) was performed in 109 patients (50.7%). Positive results of PD-L1 testing were found in 53.2% of the 94 patients who had the test. Approved doses of nivolumab (3 m/kg) and pembrolizumab (200 mg) were administered in 70.4% and 53% of patients, respectively. The analysis of risk factor of thyroid-related adverse reaction did not show statistically significant differences (Cox regression). Conclusion: Thyroid-related adverse events are common in patients treated with PD-1 inhibitors and hypothyroidism is the most frequent adverse reaction. Routine TFTs monitoring is strongly recommended to evaluate thyroid function in real-world clinical practice.
황서영(Hwang, Seo-Young),안지은(Ahn, Ji-Eun),윤고운(Yoon, Go-Un),두텐후이쯔(Dutianhuizi),권현주(Kwon, Hyun-Joo) 한국실내디자인학회 2023 한국실내디자인학회 학술대회논문집 Vol.25 No.3
In line with the COVID-19 era, the number of kiosk installation stores has increased rapidly. The problem of the older adults misadjustment to kiosks is getting worse, but design guidelines for Age-friendly kiosk locations in restaurants are insufficient. The purpose of this study is to suggest the direction of the Age-friendly kiosk arrangement plan in the restaurant based on the analysis of the kiosk location preference of young adults aged in 20s and the older adults aged 65 and over. Through surveys and interviews for older adults aged 65 and over and young adults aged in 20s, the frequency of kiosk use, preference for kiosk location, and difficulties and solutions experienced when using kiosks were investigated. In addition, the preference of Age-friendly kiosk and the preference of kiosk locations in specific planes were investigated and analyzed. Based on the results of this study, a plan to install a Age-friendly kiosk that can satisfy both the older adults and young adults and a planning direction for the location of the kiosk installation in the restaurant were presented.
황서영(Seo-Young Hwang),박재현(Jae-Hyun Park),이장명(Jang-Myung Lee) 제어로봇시스템학회 2010 제어로봇시스템학회 합동학술대회 논문집 Vol.2010 No.6
쿼드콥터는 위험지역의 정찰, 구조용 등으로 사용되는 UAV(unmanned aerial vehicle)중 제어가 용이하고 다양한 목적으로 쓰일 수 있다는 장점을 가지고 있다. 이런 쿼드콥터의 착륙 자세제어는 Roll과 Pitch방향의 기울기 정보를 보다 정확하게 획득하여 네 방향의 모터를 제어함으로서 쿼드콥터의 안전착륙을 유도할 수 있다. 이때 사용되는 센서는 가속도 센서와 자이로 센서인데 이 둘의 단점을 보완하여 보다 정확하게 기울어진 상태를 알기위해 두 센서를 결합할 필요가 있다. 쿼드콥터의 상태는 비선형적이면 비정규 오차를 가지므로 이런 특성에 적합한 파티클 필터를 활용하여 데이터를 보정하였다. 그 결과 일반적으로 사용되는 저역, 고역통과 필터를 사용하는 것보다 정확도가 향상되는 결과를 얻을 수 있었다.
황서영(Seo-Young Hwang),임순범(Soon-Bum Lim),우성호(Sung-Ho Woo),최윤철(Yoon-Chul Choy) 한국멀티미디어학회 2006 한국멀티미디어학회 학술발표논문집 Vol.2006 No.2
3D 컨텐츠의 활용이 증가하면서 3D 구조물의 상태 변화 또는 객체의 행위를 표현하기 위한 기법을 필요로 하고 있다. 이에 따라 3D 객체의 행위나 상태의 변화 또는 사용자의 조작 과정을 기록하고 재사용하기 위한 기법을 연구하였다. 3D 구조물의 구조관계를 표현하고, 구성객체의 조립 및 해체를 위하여 사용자의 직접 조작이 가능한 인터페이스를 연구하였다. 그리고 조작한 내용을 재사용하기 위하여 조작 과정을 기록하고 재생할 수 있는 시스템을 개발하였다. 최소한의 조작 내용을 기록하여 선택한 객체를 사용자의 조작 내용에 가장 가까운 경로로 재생하기 위하여 시간과 거리 요소를 복합적으로 적용한 정점 추출 기법을 이용하였다. VRML, DOM, JavaScript를 사용하여 웹을 기반으로 3D 구조물의 관계 구조를 한눈에 볼 수 있으며, 직접 조작한 내용의 기록 및 재생이 가능한 시스템을 구축하였다.
이동하는 물체의 자세와 위치를 추정하기 위한 다중 필터 관성 항법 시스템
황서영(Seo-Young Hwang),이장명(Jang-Myung Lee) 대한전기학회 2011 전기학회논문지 Vol.60 No.12
This paper proposes a new multi-filtered inertial navigation system to estimate the attitude and position of moving objects. This system has two states, the one is attitude state and the other is position/velocity state. For compensating IMU sensor errors, each of the two states uses a different filter: the attitude state uses the EKF and the position state uses the UPF. The fast and precise characteristics of the EKF have been properly utilized for the attitude estimation, while superior dynamic characteristics of the UPF have been fully adopted for the position estimation. The combination of these two filters in an inertial navigation system improves the system performance to be faster and more accurate. Experimental results demonstrate the superiority of this approach comparing to the conventional ones.
도시농업 확산을 위한 가정용 수경재배기의 소비자 구매의도 결정요인 분석
황서영(Hwang, Seoyoung),유지영(Yu, Jiyeong),문정훈(Moon, Junghoon),박병준(Park, Byungjoon) 한국농식품정책학회 2016 농업경영정책연구 Vol.43 No.4
For driving of urban agriculture, Korean Agricultural Research Services invented and distrubuted the household hydroponic instrument in 2014. This paper aims to empirically examine how the characteristics of household hydroponic instrument affect consumer’s purchase intention. This research determined the usability factors and causes of using household hydroponic instrument through the interview of experts on hydroponics. In this study, we emply exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) to suggest the usability factors of household hydroponic instrument use and to find the relationship between the usability factors and consumer’s purchase intention. The results indicate that the educatory purpose of using household hydroponic instrument is the highest factor in this research. Additional practical and political implications of these findings are also discussed in the paper.