Publications by authors named "Jung-Ah Lee"

This study aimed to use wearable technology to predict the sleep quality of family caregivers of people with dementia among underrepresented groups. Caregivers of people with dementia often experience high levels of stress and poor sleep, and those from underrepresented communities face additional burdens, such as language barriers and cultural adaptation challenges. Participants, consisting of 29 dementia caregivers from underrepresented populations, wore smartwatches that tracked various physiological and behavioral markers, including stress level, heart rate, steps taken, sleep duration and stages, and overall daily wellness.

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Background And Objectives: Culturally diverse informal caregivers of community-dwelling persons with dementia face challenges in accessing dementia care resources due to language barriers and cultural stigmas surrounding dementia. This study presents the perceived intervention experiences of a home-based approach which considers the cultural and linguistic needs of diverse family caregivers in dementia care. The intervention model includes home visits by trained bilingual, non-licensed community health workers (CHWs) whose cultural histories and understandings reflect that of the caregivers.

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  • Renal replacement therapy (RRT) is critical for treating sepsis-related acute kidney injury (AKI), but its ideal timing is debated; this study focused on the effects of starting continuous kidney replacement therapy (CKRT) within 6 hours of AKI onset.
  • Analyzing data from the MIMIC-IV database, the study found that patients who received early CKRT had a significantly lower 28-day mortality rate compared to those who started later (26.7% vs. 43.9%).
  • Additionally, early CKRT patients experienced more days without needing mechanical ventilation or vasopressors, indicating better overall clinical outcomes despite no significant difference when comparing CKRT initiation within 12 hours versus later.
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  • A study investigated the long-term effects of COVID-19 on lymphoma patients to understand the frequency, risk factors, and mortality associated with prolonged COVID-19.
  • Among 583 lymphoma patients analyzed, 19.7% were diagnosed with COVID-19, with 24 of those experiencing prolonged symptoms, particularly linked to specific treatments like rituximab after bendamustine and rituximab therapy.
  • Prolonged COVID-19 significantly increased the risk of hospitalization and was identified as an independent risk factor for higher mortality within a year.
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Non-viral vectors for mRNA delivery primarily include lipid nanoparticles (LNPs) and polymers. While LNPs are known for their high mRNA delivery efficiency, they can induce excessive immune responses and cause off-target effects, potentially leading to side effects. In this study, we aimed to explore polymer-based mRNA delivery systems as a viable alternative to LNPs, focusing on their mRNA delivery efficiency and potential application in mRNA vaccines.

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  • Severe fever with thrombocytopenia syndrome (SFTS) is caused by the SFTS virus (SFTSV) and is transmitted by ticks.
  • CP-COV03 is a new antiviral drug that improves the availability of niclosamide, which has shown effectiveness against over 30 viruses in testing.
  • The study tested CP-COV03 on SFTSV-infected Vero cells and found that it significantly reduced viral effects, suggesting it could be a promising treatment for SFTS.
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  • Korea is experiencing a steady increase in newly diagnosed HIV cases, with women living with HIV making up 6.4% of the population, yet research on this group is limited.
  • A study analyzed data from 443 women living with HIV, identifying heterosexual contact as the primary risk factor, with 91.2% receiving antiretroviral therapy.
  • Findings showed significant health outcomes, including 118 pregnancies and various health issues such as breast and cervical cancer, indicating the need for focused health strategies for women with HIV in Korea.
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Background: An estimated 6.7 million persons are living with dementia in the United States, a number expected to double by 2060. Persons experiencing moderate to severe dementia are 4 to 5 times more likely to fall than those without dementia, due to agitation and unsteady gait.

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  • The study investigates the effects of rapid eye movement sleep behavior disorder (RBD) on the sleep quality of persons with dementia (PWD) and their family caregivers.
  • It utilizes a mixed methods approach, analyzing data from wearable devices, interviews, sleep diaries, and quality surveys to assess sleep patterns and experiences in two caregiver-PWD dyads.
  • Results indicate that RBD symptoms in PWD lead to poorer sleep quality, characterized by frequent awakenings and reduced deep sleep, highlighting the need for better RBD management to improve overall sleep and well-being for both PWD and caregivers.
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  • Lenacapavir is a new type of medicine for people with a tough form of HIV that doesn't respond to many other treatments.
  • A 43-year-old man who has struggled with HIV since 2005 finally got help when he tried lenacapavir along with other medicines, and it worked!
  • After taking lenacapavir, his viral levels dropped and his immune system started to get better for 8 months, showing it can be a good option for patients with very few choices.
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  • A study in South Korea assessed the effectiveness of the XBB.1.5 COVID-19 vaccine against symptomatic infections, hospitalizations, and the need for oxygen therapy during late 2023.
  • A total of 5,516 subjects were analyzed, revealing that the vaccine had absolute effectiveness rates of 65.2% for COVID-19 infection, 77.3% for hospitalization, and 85.3% for oxygen therapy, compared to unvaccinated individuals.
  • The results suggest significant short-term effectiveness of the XBB.1.5 vaccine, but further long-term studies are needed to monitor ongoing effectiveness.
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Dyadic conditions of patients with heart failure and their caregivers may affect both patient self-care and caregiver contribution to patient self-care (CCPS). The purpose of this study was to examine the relationships of patient-caregiver physical function and depressive symptoms to the patient self-care (maintenance and management) and CCPS. Data from 55 were analyzed using an Actor-Partner Interdependence Model to address the aim through AMOS.

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With advancements in antiretroviral therapy (ART), the average lifespan of people with human immunodeficiency virus (HIV) is increasing, as is the number of older adults with HIV. Accordingly, the number of patients with HIV who undergo surgery or require critical care for various reasons is increasing. Since the prognosis of people with HIV depends on the continuous and effective maintenance of ART, there is a need to consider effectively maintaining ART in people with HIV in these conditions.

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mRNA vaccines against SARS-CoV-2 have revolutionized vaccine development, but their immunological mechanisms are not fully understood. Here, we investigate injection site responses of mRNA vaccines by generating a comprehensive single-cell transcriptome profile upon lipid nanoparticle (LNP) or LNP-mRNA challenge in female BALB/c mice. We show that LNP-induced stromal pro-inflammatory responses and mRNA-elicited type I interferon responses dominate the initial injection site responses.

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Lung transplant patients are more likely to develop severe coronavirus disease 2019 (COVID-19) compared with the general population and should be vaccinated against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, previous studies have reported reduced vaccination immunogenicity in lung transplantation patients. We aimed to investigate the serological response and associated factors after SARS-CoV-2 vaccination in this population.

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Solid organ transplant (SOT) recipients are at significant risk of hepatitis B (HB) virus (HBV) reactivation (HBVr). Despite the clinical significance of HBVr after solid organ transplantation, data on the risk factors for HBVr and vaccine effectiveness in SOT recipients with resolved HBV infection are limited. This study evaluated the risk factors for HBVr and the seroconversion rates after HBV vaccination in SOT recipients.

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Mumps virus (MuV) causes an acute contagious human disease characterized by swelling of the parotid glands. Despite the near elimination of mumps in many countries, the disease has recurred, even in vaccinated populations, especially adolescents. Immunization effectivity of the genotype A vaccine strain Jeryl Lynn (JL) is declining as genotype A is no longer predominant; therefore, a new vaccine strain and booster vaccine are required.

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Background And Objectives: Cognitive impairment and Alzheimer's disease and related dementias (ADRD) pose significant challenges for Indigenous populations, necessitating urgent research. Limited evidence suggests that high rates of ADRD among Indigenous peoples are associated with social determinants of health (SDOH), such as education, income, health literacy, religion, and social engagement.

Research Design And Methods: Collaborating with a Northern Plains tribe, participants were recruited 123 self-identified Indigenous women aged 40-70 through a comprehensive recruitment strategy.

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Healthcare providers working with forcefully displaced populations often have limited knowledge and skills regarding the care of this population. The reasons are twofold. First, most of the research on refugee health does not consider refugees' adaptive skills, diversity of experiences, and daily life context.

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Background: High blood pressure variability (BPV) increases the risk of cardiovascular disease and may be better prognostic factor than blood pressure. Depressive mood is a common symptom among patients visiting primary care. This study aimed to investigate the association between depressive mood and high BPV among Korean primary care patients.

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Right-sided infective endocarditis (RSIE) is less common than left-sided infective endocarditis (LSIE) and exhibits distinct epidemiological, clinical, and microbiological characteristics. Previous studies have focused primarily on RSIE in patients with intravenous drug use. We investigated the characteristics and risk factors for RSIE in an area where intravenous drug use is uncommon.

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Background: Even amid the coronavirus disease-19 (COVID-19) pandemic, the spread of multidrug-resistant bacteria and infection control are still important tasks. After recognizing the carbapenem-resistant (CRAB) outbreak that occurred in the isolation room for COVID-19, we would like to introduce what infection control measures were implemented to eradicate it.

Materials And Methods: All COVID-19 patients with CRAB in any specimen admitted to the COVID-19 isolation ward of the tertiary hospital in Korea from October to November 2021 were analyzed.

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Background: The COVID-19 pandemic transformed healthcare delivery with the rapid adoption of telehealth and digital technologies to access healthcare. Interventions are needed to ensure that older people in underserved communities do not face new technology-driven healthcare disparities. This article describes pioneering electronic medical record (EMR) embedded tools to assess and support each diverse patient's digital health literacy.

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