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A Web-Based Decision Aid for Informed Prostate Cancer Screening: Development and Pilot Evaluation
Jung Wonyoung,Cho In Young,Jeon Keun Hye,Yeo Yohwan,Jun Jae Kwan,Suh Mina,Jeong Ansuk,Lee Jungkwon,Shin Dong Wook 대한의학회 2023 Journal of Korean medical science Vol.38 No.46
Background: Prostate-specific antigen-based routine screening is not recommended for the general population due to conflicting results with mortality reduction. We aimed to develop a web-based decision aid (DA) for informed decision making for prostate cancer screening. Methods: Using the International Patient Decision Aid Standards (IPDAS) development process model, we developed our DA based on patient and clinician interviews and multidisciplinary expert discussions. The prototype consisted of predicting individual prostate cancer risk and informed decision-making, including knowledge, risk and benefit, cost, personal value, and decision making. We conducted a pilot study on 101 healthy men, evaluating the effectiveness of DA by measuring knowledge, attitude, and intention to screen before and after using the DA, as well as decisional conflict and usefulness after using the DA. Results: Of the 101 participants (median age 60 [50–69] years), 84% had not undergone screening for prostate cancer in the past two years. After using the DA, knowledge on prostate cancer screening increased (mean score [of 10] before versus after: 6.85 ± 1.03 versus 7.57 ± 1.25; P < 0.001), and intention to not screen increased from 27.7% to 51.5% (P < 0.001), but attitude toward screening did not change (P = 0.564). After use of the DA, 79 participants reported no decisional conflict, and the usefulness score was high (mean score [of 100] 77.35 ± 7.69), with 85% of participants reporting that the DA helped with decision making. Conclusion: Our web-based DA yielded increased knowledge, decreased screening intention, and high perceived usefulness. These findings indicate potential clinical relevance, especially among younger individuals.
Jung Young Mi,Wi Wonyoung,Cho Kyu-Dong,Hong Su Jung,Kim Ho Yeon,Ahn Ki Hoon,Hong Soon-Cheol,Kim Hai-Joong,Oh Min-Jeong,Cho Geum Joon 대한의학회 2024 Journal of Korean medical science Vol.39 No.5
Background: Maladaptation to vascular, metabolic, and physiological changes during pregnancy can lead to fetal growth disorders. Moreover, adverse outcomes during pregnancy can further increase the risk of cardiovascular and metabolic diseases in mothers. Delivering a large-for-gestational-age (LGA) baby may indicate a pre-existing metabolic dysfunction, whereas delivering a small-for-gestational-age (SGA) baby may indicate a pre-existing vascular dysfunction. This study aims to assess the risk of hypertension (HTN) and diabetes mellitus (DM) in women with normal body mass index (BMI) scores who did not experience gestational DM or hypertensive disorders during pregnancy based on the offspring’s birthweight. Methods: This retrospective nationwide study included women with normal BMI scores who delivered a singleton baby after 37 weeks. Women with a history of DM or HTN before pregnancy and those with gestational DM or hypertensive disorders, were excluded from the study. We compared the risk of future maternal outcomes (HTN and DM) according to the offspring’s birthweight. Multivariate analyses were performed to estimate the hazard ratio (HR) for the future risk of HTN or DM. Results: A total of 64,037 women were included in the analysis. Of these, women who delivered very LGA babies (birthweight > 97th percentile) were at a higher risk of developing DM than those who delivered appropriate-for-gestational-age (AGA) babies (adjusted HR = 1.358 [1.068–1.727]), and women who delivered very SGA babies (birthweight < 3rd percentile) were at a higher risk of developing HTN than those who delivered AGA babies (adjusted HR = 1.431 [1.181–1.734]), even after adjusting for age, parity, gestational age at delivery, fetal sex, maternal BMI score, and a history of smoking. Conclusion: These findings provide a novel support for the use of the offspring’s birthweight as a predictor of future maternal diseases such as HTN and DM.
PC의 진동/소음 저감을 위한 쿨링팬의 동흡진장치 개발
정원영(Wonyoung Jung),정진태(Jintai Chung) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
The purpose of this study is to reduce the vibration of the computer by developing the vibration absorber and damper. The eccentricity of the cooling fan causes the vibration of the computer. We designed the material properties of the vibration absorber by FEM model within operation frequencies of the cooling fan. We experiment the overall analysis and system analysis. The vibration of cooling fan is measured by using a laser vibrometer. The result shows that the proposed vibration absorber and damper reduce the vibration of the computer.
Jung, Kyu-Nam,Lee, Ji-In,Yoon, Sukeun,Yeon, Sun-Hwa,Chang, Wonyoung,Shin, Kyung-Hee,Lee, Jong-Won The Royal Society of Chemistry 2012 Journal of materials chemistry Vol.22 No.41
<P>Manganese oxide/carbon composite nanofibers are fabricated <I>via</I> an electrospinning technique. The electrospun composite nanofibers show an excellent catalytic performance for oxygen reduction and evolution, leading to reduced discharge–charge overpotentials and improved cycling properties of a Li–O<SUB>2</SUB> battery with a hybrid electrolyte.</P> <P>Graphic Abstract</P><P>A 1D fibrous manganese oxide/carbon catalyst fabricated <I>via</I> an electrospinning technique improves discharge–charge performances of the hybrid Li–O<SUB>2</SUB> battery. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c2jm34500e'> </P>