Publications by authors named "Eunjung Ko"

Background: Researchers have encountered challenges in recruiting unpaid caregivers of people living with Alzheimer disease and related dementias for intervention studies. However, little is known about the reasons for nonparticipation in in-home smart health interventions in community-based settings.

Objective: This study aimed to (1) assess recruitment rates in a smart health technology intervention for caregivers of people living with Alzheimer disease and related dementias and reasons for nonparticipation among them and (2) discuss lessons learned from recruitment challenges and strategies to improve recruitment.

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Purpose: This study aimed to investigate the experiential meaning of child-rearing for marriage immigrant women in Korea in the context of the coronavirus disease 2019 (COVID-19) pandemic.

Methods: Using the hermeneutic descriptive phenomenology framework developed by Colaizzi, 10 marriage immigrant women rearing preschool and school-age children were invited through purposive and snowball sampling from two multicultural support centers in Korea. The participants were rearing one or two children, and their original nationalities were Vietnamese, Japanese, Cambodian, and Chinese.

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Triple-negative breast cancer (TNBC) accounts for approximately 15-20% of all breast cancer types, indicating a poor survival prognosis with a more aggressive biology of metastasis to the lung and a short response duration to available therapies. Ibulocydine (IB) is a novel (cyclin-dependent kinase) CDK7/9 inhibitor prodrug displaying potent anti-cancer effects against various cancer cell types. We performed in vitro and in vivo experiments to determine whether IB inhibits metastasis and eventually overcomes the poor drug response in TNBC.

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Background: The number of people living with dementia continues to grow, increasing the demands on unpaid caregivers of people living with dementia. Caregiving can be emotionally and mentally distressing. In response, numerous interventions have been developed and tested to improve mental health in caregivers of people living with dementia.

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Caregivers of people living with dementia face strain, reduced self-care, and poorer health status. However, research examining the links among those outcomes is limited. We explored the association between caregiver strain and the impact of caregiving on health status and identified the mediating role of self-care difficulty in this association.

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Background: Virtual simulation-based education for healthcare professionals has emerged as a strategy for dealing with infectious disease disasters, particularly when training at clinical sites is restricted due to the risk of infection and a lack of personal protective equipment. This research evaluated a virtual simulation-based education program intended to increase nurses' perceived competence in providing psychological support to patients affected by infectious disease disasters.

Methods: The efficacy of the program was evaluated via a randomized controlled trial.

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Purpose/objectives: We aim to explore Current Procedural Terminology (CPT) codes for caregiving training services and their potential impacts on caregivers of people living with dementia.

Description Of The Project/program: In response to the growing need for support for caregivers of people living with physical and mental health issues, CPT codes for caregiving training services will be activated for the calendar year 2024. These codes cover (1) family group behavior management and modification training services and (2) caregiver training for techniques to help patients maintain their quality of life.

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Posttraumatic stress disorder (PTSD) encompasses various psychological symptoms and a high early dropout rate due to treatment unresponsiveness. In recent years, neurofeedback has been implemented to control PTSD's psychological symptoms through physiological brain regulation. However, a comprehensive analysis concerning its efficacy is lacking.

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Mentorship is important for doctoral education and development. Students in Doctor of Philosophy (PhD) in Nursing programs traditionally receive formal mentorship from more experienced faculty mentors, creating a top-down, mentor-mentee relationship. Peer mentorship, characterized by a mentor-mentee relationship between peers in similar career stages, provides unique opportunities for career development and socialization.

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Article Synopsis
  • Moiré superlattices created by stacking 2D crystals explore new functionalities through the interaction of electronic excitations and atomic rearrangements.
  • The study found that moiré superlattices of single-layer MoS and WSe display torsional strains with opposite chirality that persist regardless of twist angle.
  • These distortions cause changes in the Raman spectra and consistent redshifts in intralayer excitons, indicating a key relationship between structure and properties in moiré superlattices.
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Background: Fatigue and lymphatic pain are the most common and debilitating long-term adverse effects of breast cancer treatment. Fatigue and pain independently have negative effects on quality of life, physical functions, and cancer recurrence-free survival. The interactions between fatigue and pain may aggravate their negative effects.

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Owing to unique fundamental physics and device applications, twisted moiré physics in two-dimensional (2D) van der Waals (vdW) layered magnetic materials has recently received particular attention. We investigate magnetic vdW FeGeTe (FGT)/CrGeTe (CGT) moiré heterobilayers with twist angles of 11° and 30° from first-principles. We show that the moiré heterobilayer is a ferromagnetic metal with an n-type CGT layer due to the dominant spin-majority electron transfer from the FGT layer to the CGT layer, regardless of various stacked structures.

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Breast cancer survivors who report chronic pain in the affected ipsilateral upper limb or body are nearly twice as likely to develop lymphedema. Little is known about lymphatic pain, defined as co-occurring pain and swelling in the affected ipsilateral upper limb or body. The study aimed to examine the predictors and effects of lymphatic pain on breast cancer survivors' activities of daily living (ADLs).

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Objective: The study aimed to examine the experience of disaster healthcare workers with simulation training using the Psychological First Aid (PFA) mobile app.

Methods: This study was designed using qualitative research methodology with focus group interviews. The participants were 19 disaster healthcare workers from community mental health service centers who attended disaster simulation training in flood, fire, or leakage of hazardous chemicals.

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Lymphatic pain and swelling due to lymph fluid accumulation are the most common and debilitating long-term adverse effects of cancer treatment. This study aimed to quantify the effects of obesity on lymphatic pain, arm, and truncal swelling. A sample of 554 breast cancer patients were enrolled in the study.

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Nonalcoholic steatohepatitis (NASH) is considered as a progressive form of nonalcoholic fatty liver disease (NAFLD). To distinguish NASH from nonalcoholic fatty liver (NAFL), we evaluated the diagnostic value of circulating miRNAs. Small RNA sequencing was performed on 12 NAFL patients and 12 NASH patients, and the miRNA expression was compared.

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Background: (TOLF) intervention aims to promote lymph flow through therapeutic lymphatic exercises to relieve lymphatic pain, swelling, lymphedema symptoms, and to decrease lymph fluid levels among breast cancer survivors. To enhance the efficacy of the TOLF intervention, an innovative, intelligent, Kinect-enhanced lymphatic exercise intervention (Kinect-TOLF) was developed to teach patients to perform the lymphatic exercises correctly.

Objectives: This feasibility trial aimed to determine the feasibility, usability, and effects of the Kinect-TOLF on lymphatic pain, swelling, lymphedema symptoms, and lymph fluid levels.

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There is an urgent need for new treatments for visceral leishmaniasis (VL), a parasitic infection which impacts heavily large areas of East Africa, Asia, and South America. We previously reported on the discovery of GSK3494245/DDD01305143 () as a preclinical candidate for VL and, herein, we report on the medicinal chemistry program that led to its identification. A hit from a phenotypic screen was optimized to give a compound with efficacy, which was hampered by poor solubility and genotoxicity.

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Aim: The aim of this study is to develop a Smarthealth system of monitoring, modelling, and interactive recommendation solutions (for caregivers) for in-home dementia patient care that focuses on caregiver-patient relationships.

Design: This descriptive study employs a single-group, non-randomized trial to examine functionality, effectiveness, feasibility, and acceptability of the novel Smarthealth system.

Methods: Thirty persons with Alzheimer's Disease or related dementia and their family caregivers (N = 30 dyads) will receive and install Smarthealth technology in their home.

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Breast cancer-related lymphedema (BCRL) limits the movements of patients' limbs, which leads to a diminished ability to achieve essential activities of daily living (ADLs). The purpose of this study was to examine the associations between limb volume changes from the baseline before breast cancer surgery and self-reported difficulty in performing ADLs at 12 months following cancer surgery. We hypothesized that a positive association existed between limb volume changes from the baseline and self-reported difficulty in performing ADLs at 12 months following breast cancer surgery.

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This study was conducted to explore nursing students' emotional experiences during simulations, and to develop a debriefing model for psychological safety in nursing simulations by qualitatively analyzing data. Data were collected through face-to-face in-depth interviews with 23 undergraduate nursing students in South Korea. Via content analysis, nine categories were derived: fear of evaluation, burden of being observed, unfamiliarity with new ways of learning, sensitivity to interpersonal relationships, physical and emotional exhaustion, utilization of supportive relationships, decline in learning satisfaction, positive acceptance of stress, and attempts to relieve stress.

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Methionyl-tRNA synthetase (MetRS) is a chemically validated drug target in kinetoplastid parasites and . To date, all kinetoplastid MetRS inhibitors described bind in a similar way to an expanded methionine pocket and an adjacent, auxiliary pocket. In the current study, we have identified a structurally novel class of inhibitors containing a 4,6-diamino-substituted pyrazolopyrimidine core (the MetRS02 series).

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Article Synopsis
  • This study investigates the long-term effects of online hemodiafiltration (OL-HDF) on lab values in patients with end-stage renal disease in South Korea, focusing on those who switched from traditional hemodialysis (HD) to OL-HDF for more than 12 months.
  • The research included 435 participants, with 182 followed for over 24 months; findings showed significant increases in hemoglobin and serum albumin levels in those switched to OL-HDF, alongside lower doses of erythropoiesis-stimulating agents.
  • Overall, the study concludes that OL-HDF treatment did not harm anemia or nutritional status, suggesting its potential benefit for patients transitioning from HD.*
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Alpha fetoprotein (AFP) has been used as a serologic indicator of hepatocellular carcinoma (HCC). We aimed to identify an HCC-specific serum biomarker for diagnosis using a multiplexed proteomic technique in HCC patients with normal AFP levels. A total of 152 patients were included from Guro Hospital, Korea University.

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