• Human Ecology Research
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• 제59권1호
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• pp.23-43
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• 2021

This study looked through the text mining analysis to check the status of the virtual assistant service, and explore the needs of consumers, and present consumer-oriented directions. Trendup 4.0 was used to analyze the keywords of AI services in Online News and social media from 2016 to 2020. The R program was used to collect consumer comment data and implement Topic Modeling analysis. According to the analysis, the number of mentions of AI services in mass media and social media has steadily increased. The Sentimental Analysis showed consumers were feeling positive about AI services in terms of useful and convenient functional and emotional aspects such as pleasure and interest. However, consumers were also experiencing complexity and difficulty with AI services and had concerns and fears about the use of AI services in the early stages of their introduction. The results of the consumer review analysis showed that there were topics(Technical Requirements) related to technology and the access process for the AI services to be provided, and topics (Consumer Request) expressed negative feelings about AI services, and topics(Consumer Life Support Area) about specific functions in the use of AI services. Text mining analysis enable this study to confirm consumer expectations or concerns about AI service, and to examine areas of service support that consumers experienced. The review data on each platform also revealed that the potential needs of consumers could be met by expanding the scope of support services and applying platform-specific strengths to provide differentiated services.

• 지역사회간호학회지
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• 제32권4호
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• pp.415-429
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• 2021

Purpose: The purpose of this study was to develop the Self-Care Non-adherence Risk Assessment Scale (SCNRAS) for patients with chronic illness in South Korea. Methods: This study was conducted from April to July, 2020 and utilized a convenience sampling method to recruit 336 patients with chronic illness from three hospitals located in South Korea. The content, factorial structure, item-convergent/discriminant validity, convergent validity, internal consistency reliability, and test-retest reliability of the scale were evaluated. The data were analyzed using exploratory and confirmatory factor analyses, Pearson's correlation coefficient, Cronbach's α, and intra-class correlation coefficient. Results: The exploratory and confirmatory factor analyses yielded six-factors. Convergent validity was demonstrated using measures of defining issues. Internal consistency reliability and test-retest reliability were found to be acceptable, as indicated by a Cronbach's α of .65~.81 and an intra-class correlation coefficient of .93~.98. The Self-Care Non-adherence Risk Assessment Scale for patients with chronic illness is a new instrument that comprehensively measures the knowledge, skill, physical function status, access to health care, social support, motivation, and confidence. It comprises 18 items scored on a 5-point Likert scale. The validity and reliability of the scale were verified. Conclusion: The scale developed through this study is expected to screen those who need nursing intervention early by predicting the self-care non-adherence risk group.

• 한국정보통신학회논문지
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• 제26권6호
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• pp.850-858
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• 2022

리소스가 제한된 임베디드 장치에 GRU를 배포하기 위해 이 논문은 구조적 압축을 가능하게 하는 재구성 가능한 FPGA 기반 GRU 가속기를 설계한다. 첫째, 조밀한 GRU 모델은 하이브리드 양자화 방식과 구조화된 top-k 프루닝에 의해 크기가 대폭 감소한다. 둘째, 본 연구에서 제시하는 재사용 컴퓨팅 패턴에 의해 외부 메모리 액세스에 대한 에너지 소비가 크게 감소한다. 마지막으로 가속기는 알고리즘-하드웨어 공동 설계 워크플로의 이점을 얻는 구조화된 희소 GRU 모델을 처리할 수 있다. 또한 모든 차원, 시퀀스 길이 및 레이어 수를 사용하여 GRU 모델에 대한 추론 작업을 유연하게 수행할 수 있다. Intel DE1-SoC FPGA 플랫폼에 구현된 제안된 가속기는 일괄 처리가 없는 구조화된 희소 GRU 네트워크에서 45.01 GOPs를 달성하였다. CPU 및 GPU의 구현과 비교할 때 저비용 FPGA 가속기는 대기 시간에서 각각 57배 및 30배, 에너지 효율성에서 300배 및 23.44배 향상을 달성한다. 따라서 제안된 가속기는 실시간 임베디드 애플리케이션에 대한 초기 연구로서 활용, 향후 더 발전될 수 있는 잠재력을 보여준다.

• 대한통합의학회지
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• 제10권2호
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• pp.49-59
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• 2022

Purpose : The purpose of this study is to directly understand the health condition of residents of mental health sanatoriums nationwide, which has been difficult to ascertain in surveys conducted to date. The study presents specific measures for improving the health of these residents. Methods : A "physical examination questionnaire for residents of mental health sanatoriums" was developed to check the basic physical condition of residents, and 20 out of 59 mental health sanatoriums nationwide were randomly selected. Medical personnel visited the sanatoriums, interviewing and examining the residents in person. A total of 396 health surveys were completed. Results : Many of the residents were underweight but had abdominal obesity. It was confirmed that chronic diseases among the residents were not diagnosed early or were not properly managed. Among the subjective symptoms complained of by the residents, musculoskeletal symptoms were the most common. Oral examinations revealed a serious level of oral health problems among the residents, including dental caries and missing teeth. Basic physical examinations found health problems that required additional examination or medical treatment. Blood pressure abnormalities made up the highest percentage of the health problems. Conclusion : Regular health surveys are needed to determine the health condition of residents of mental health sanatoriums. Access to and quality of primary medical services within the sanatoriums need to be dramatically improved. A delivery system for severe diseases and emergency medical care in the sanatoriums should also be specifically presented. The residents should be notified upon admission and during their stay that they have the right to the enjoyment of the highest attainable standard of mental and physical health. The issue of health rights should be addressed within a larger framework of reorganizing management plans for people in the community - not only residents - with chronic mental illness.

• 한국인터넷방송통신학회논문지
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• 제23권1호
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• pp.93-100
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• 2023

본 논문에서는 예비 청년귀농인들이 귀농을 희망하지만 여러 가지 현실의 벽에 부딪혀 자신의 꿈을 진행시키지 못하는 이들이 더 없도록 하기 위해 게임으로 귀농의 과정을 녹여내고 안정적으로 귀농생활에 정착하는 것을 목적으로 한다. 게임에는 농사 시스템으로 밭, 비닐하우스, 자동화 시스템, 스마트팜의 순서로 발전할 수 있도록 하고, 자신이 원하는 작물을 초반 레벨에서도 키울 수 있도록 설계했으며, 공동체 시스템을 넣어 농촌은 개인주의 생활이 아닌 공동체 생활이라는 점을 부각하였다. 공동체 시스템에 실제 지자체나 정부에서 제공하는 지원 혜택이나 정보를 넣어 예비 귀농인들이 자연스럽게 정보를 접할 수 있도록 하였다.

• Journal of Chest Surgery
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• 제56권1호
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• pp.42-48
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• 2023

Background: With recent advances in cardiac surgery through minimal access, mini-thoracotomy has emerged as an excellent alternative for cardiac myxoma resection. This study analyzed the surgical results of this approach, focusing on postoperative cerebral embolism and tumor recurrence. Methods: We retrospectively reviewed 64 patients (mean age, 56.0±12.1 years; 40 women) who underwent myxoma resection through mini-thoracotomy from October 2008 to July 2020. We conducted femoral cannulation and antegrade cardioplegic arrest in all patients. Patient characteristics and perioperative data, including brain diffusion-weighted magnetic resonance imaging (DWI) findings, were collected. Medium-term echocardiographic follow-up was performed. Results: Thirteen patients (20.3%) had a history of preoperative stroke, and 7 (11.7%) had dyspnea with New York Heart Association functional class III or IV. Sixty-one cases (95.3%) had myxomas in the left atrium. The mean cardiopulmonary bypass and cardiac ischemic times were 69.0±28.6 and 34.1±15.0 minutes, respectively. Sternotomy conversion was not performed in any case, and 50 patients (78.1%) were extubated in the operating room. No early mortality or postoperative clinical stroke occurred. Postoperative DWI was performed in 32 (53%) patients, and 7 (22%) showed silent cerebral embolisms. One patient underwent reoperation for tumor recurrence during the study period; in that patient, a genetic study confirmed the Carney complex. Conclusion: Mini-thoracotomy for cardiac myxoma resection showed acceptable clinical and neurological outcomes. In the medium-term echocardiographic follow-up, reliable resection was proven, with few recurrences. This approach is a promising alternative for cardiac myxoma resection.

• 한국비블리아학회지
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• 제34권3호
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• pp.163-181
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• 2023

도서관 서비스의 기본은 자료에 대한 이용자의 효율적인 접근을 지원하는데 있으며, 이를 위해서는 서지데이터(서지MARC)를 활용한 자료검색서비스의 고품질화가 전제되어야 한다. 그러나 국내에서는 도서관목록을 근간으로 한 자료검색서비스 관련 논의가 2010년대 초반에 머무르고 있어 자료검색서비스 현황을 파악하고 이용자 요구를 면밀히 살펴보는 작업이 필요하다. 이러한 맥락에서 이 연구는 도서관목록이 이용자 요구에 기반한 효율적인 자료탐색도구로 거듭나기 위한 방향을 제안하는데 목적이 있다. 이를 위해 첫째, 부산지역 49개 공공도서관 자료검색서비스를 '목록검색 방식'과 '정보제공 방식'에 따라 분석하였고, 둘째, 공공도서관 이용자 322명을 대상으로 설문조사를 실시하여 이용자 요구를 파악하였으며, 마지막으로 자료검색서비스의 우수 참조사례를 근거로 현황과 요구사이의 간극을 좁힐 수 있는 개선방향을 제안하였다.

• Journal of Hospice and Palliative Care
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• 제26권2호
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• pp.51-59
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• 2023

Purpose: We evaluated the status of patients enrolled in South Korea's pediatric palliative care pilot project based on the experience of a single center. This study examined factors related to end-of-life services and differences in medical costs. Methods: The medical records of 120 patients referred by a pediatric palliative care team were analyzed retrospectively. Data from July 1 to February 28, 2022 were collected and analyzed using the chi-square test and the Mann-Whitney U test. Results: Volunteer programs and psychological support (100%), family support and education (99.2%), and financial support through institutional linkage (62.5%) were provided to the participants. In the deceased group, there were no significant differences in general characteristics, which included age, gender, primary disease, religion, duration of hospitalization in an intensive care unit (ICU) and non-intensive care unit (non-ICU). However, the ICU group had fewer opportunities to access individual pain and physical symptom management than the non-ICU group and there were limitations in linking with external resources. Medical expenses were significantly different for the ICU group, with a 3-times higher average cost than the non-ICU group. Conclusion: Although an individualized approach is needed for each patient in pediatric palliative care, psychosocial care is essential. In addition, if early intervention for end-of-life pediatric patients is available from a palliative care team, the cost burden of medical care for patients and their families should be minimal.

• Nuclear Engineering and Technology
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• 제54권12호
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• pp.4431-4440
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• 2022

An advanced nuclear reactor based on molten salts including a molten salt reactor and pyroprocessing needs a sensitive monitoring system suitable for operation in harsh environments with limited access. Multi-element detection is challenging with the conventional technologies that are compatible with the in-situ operation; hence laser-induced breakdown spectroscopy (LIBS) has been investigated as a potential alternative. However, limited precision is a chronic problem with LIBS. We increased the precision of LIBS under high temperature by protecting optics using a gas protective layer and correcting for shotto-shot variance and lens-to-sample distance using a laser-induced acoustic signal. This study investigates cerium as a surrogate for uranium and corrosion products for simulating corrosive environments in LiCl-KCl. While the un-corrected limit of detection (LOD) range is 425-513 ppm, the acoustic-corrected LOD range is 360-397 ppm. The typical cerium concentrations in pyroprocessing are about two orders of magnitude higher than the LOD found in this study. A LIBS monitoring system that adopts these methods could have a significant impact on the ability to monitor and provide early detection of the transient behavior of salt composition in advanced molten salt-based nuclear reactors.

• Journal of Genetic Medicine
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• 제20권1호
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• pp.6-14
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• 2023

Fabry disease (FD), a rare X-linked lysosomal storage disorder, is caused by mutations in the α-galactosidase A gene gene encoding α-galactosidase A (α-Gal A). The functional deficiency of α-Gal A results in progressive accumulation of neutral glycosphingolipids, causing multi-organ damages including cardiac, renal, cerebrovascular systems. The current treatment is comprised of enzyme replacement therapy (ERT), oral pharmacological chaperone therapy and adjunctive supportive therapy. ERT has been introduced 20 years ago, changing the outcome of FD patients with proven effectiveness. However, FD patients have many unmet needs. ERT needs a life-long intravenous therapy, inefficient bio-distribution, and generation of anti-drug antibodies. Migalastat, a pharmacological chaperone, augmenting α-Gal A enzyme activity only in patients with mutations amenable to the therapy, is now available for clinical practice. Furthermore, these therapies should be initiated before the organ damage becomes irreversible. Development of novel drugs aim at improving the clinical effectiveness and convenience of therapy. Clinical trial of next generation ERT is underway. Polyethylene glycolylated enzyme has a longer half-life and potentially reduced antigenicity, compared with standard preparations with longer dosing interval. Moss-derived enzyme has a higher affinity for mannose receptors, and seems to have more efficient access to podocytes of kidney which is relatively resistant to reach by conventional ERT. Substrate reduction therapy is currently under clinical trial. Gene therapy has now been started in several clinical trials using in vivo and ex vivo technologies. Early results are emerging. Other strategic approaches at preclinical research level are stem cell-based therapy with genome editing and systemic mRNA therapy.