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Impact of Smoking on Clinical Outcomes in Female Patients with Acute Myocardial Infarction
( Yuna Jeong ),( Myung Ho Jeong ),( Hae Chang Jeong ),( Youngkeun Ahn ),( Young Jo Kim ),( Chong Jin Kim,),( Myeong Chan Cho ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Background/Aims: Cigarette smoking has been recognized as an important threat to women`s health. We investigated the impact of smoking on the long term outcomes in Korean female patients after acute myocardial infarction (AMI). Methods: Out of AMI patients who were enrolled Korean AMI Registry (KAMIR), 4,444 female patients included in this study. Patients were divided into three groups-non-smoker, current-smoker, past-smoker-according to cigarette smoking status. We compared the incidences and clinical outcomes during in-hospital mortality and major adverse cardiac events (MACE), including cardiac death, re-infarction, coronary artery bypass grafting, heart failure requiring re-hospitalization, and target lesion revascularization during one year clinical follow up between three groups. Results: BMI was higher in the non-smoker group than in the smoker group. Also, the non-smoker group had more patients with hypertension and diabetes mellitus. Left ventricular ejection fraction was not significantly different. However, the levels of total cholesterol, triglyceride, and low density lipoprotein cholesterol were higher in the current-smoker group. The in-hospital mortality was significantly higher in the smoker group (1.0% vs. 2.4% vs. 2.6%, p=0.002), and cardiac death during 12 months clinical follow-up was significantly more in the smoker group (2.3% vs. 4.3% vs. 5.1%, p=0.003). Total MACE during 12 months were higher in the smoker group (5.5% vs. 7.5% vs. 10.3%, p=0.007). Conclusions: Female smoker with acute myocardial infarction showed higher in-hospital mortality rates and MACE rates during one-year clinical follow-up period.
AVIoT: web-based interactive authoring and visualization of indoor internet of things
Yuna Jeong,Hyuntae Joo,Gyeonghwan Hong,Dongkun Shin,Sungkil Lee IEEE 2015 IEEE TRANSACTIONS ON CONSUMER ELECTRONICS - Vol.61 No.3
<P>Internet of things recently emerges as a common platform and service for consumer electronics. This paper presents an interactive framework of visualizing and authoring IoT in indoor environments such as home or small office. Building blocks of the framework are virtual sensors and actuators that abstract physical things and their virtual behaviors on top of their physical networks. Their behaviors are abstracted and programmed through visual authoring tools on the web, which allows a casual consumer to easily monitor and define their behaviors even without knowing the underlying physical connections. The user study performed to assess the usability of the visual authoring showed that the visual authoring is easy to use, understandable, and also preferred to typical text-based script programming.</P>
Oh Yuna,Lee Hye-In,Jeong Ji-A,Kim Seonghan,Oh Jeong-Il 한국미생물학회 2022 The journal of microbiology Vol.60 No.9
Using a mutant of Mycobacterium smegmatis lacking the major aa3 cytochrome c oxidase of the electron transport chain (Δaa3), we demonstrated that inhibition of the respiratory electron transport chain led to an increase in antibiotic resistance of M. smegmatis to isoniazid, rifampicin, ethambutol, and tetracycline. The alternative sigma factors SigB and SigE were shown to be involved in an increase in rifampicin resistance of M. smegmatis induced under respiration-inhibitory conditions. As in Mycobacterium tuberculosis, SigE and SigB form a hierarchical regulatory pathway in M. smegmatis through SigE-dependent transcription of sigB. Expression of sigB and sigE was demonstrated to increase in the Δaa3 mutant, leading to upregulation of the SigB-dependent genes in the mutant. The phoU2 (MSMEG_1605) gene implicated in a phosphatesignaling pathway and the MSMEG_1097 gene encoding a putative glycosyltransferase were identified to be involved in the SigB-dependent enhancement of rifampicin resistance observed for the Δaa3 mutant of M. smegmatis. The significance of this study is that the direct link between the functionality of the respiratory electron transport chain and antibiotic resistance in mycobacteria was demonstrated for the first time using an electron transport chain mutant rather than inhibitors of electron transport chain.
정유나(Yuna Jeong),이성길(Sungkil Lee) 한국HCI학회 2012 한국HCI학회 학술대회 Vol.2012 No.1
근래 실시간 필드심도 렌더링 가속을 위해 후처리 기반의 많은 방법들이 제안되고 있으나, 그 품질은 여전히 다중 시점 기반 분산/누적 방식의 distributed ray tracing/rasterization 방법의 결과에 미치지 못하고 있다. 그러나 이러한 다중시점 방식 렌더링의 부하는 필요한 렌즈 시점의 수에 비례하므로, 일반적으로 실시간에 쓰이기에 부적합하다. 이에, 본 논문은 다중 해상도의 3D 모델을 이용하여 필드 심도 렌더링의 성능을 현격히 향상하는 방법을 제안한다. 또한, 이산적인 다중 해상도의 모델 이용 시 불연속성을 없애기 위한 해상도 블렌딩 방법을 제안한다. 본 방법을 이용하여, 표준 렌더링 방법과 비슷한 품질을 유지하며, 최대 네 배가량의 성능향상을 얻었다. Rendering quality of recent approaches for real-time depth-of-field rendering has been far from those of object-based approaches such as distributed ray tracing or rasterization. Despite the higher quality of object-based approaches, costly rendering of multiple views impeded their use for real-time applications. This paper presents an acceleration method for depth-of-field rendering based on multi-resolution models. We also present the multi-resolution blending method that avoids popping artifacts resulting from transitions between discrete levels. Our implementation attained improvements in rendering performance up to four times, while maintaining quality similar to the reference solution.
Investigation on Optimization of AlOx Passivation Layer for High-performance p-PERC Solar Cells
Minsoo Jeong(정민수),Yong-jin Kim(김용진),Sang Hee Lee(이상희),Yunae Cho(조윤애),Kyung Taek Jeong(정경택),Hee-eun Song(송희은),Min Gu Kang(강민구),Sungeun Park(박성은),Yoonmook Kang(강윤묵) 한국태양에너지학회 2024 한국태양에너지학회 학술대회논문집 Vol.2024 No.4