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한국의 임산부에서 실험실에서 확인된 SARS-CoV-2 감염에 따른 임상 양상 및 산모와 신생아의 결과
이여진,윤지선,김영근,김의혁 한국모자보건학회 2022 한국모자보건학회지 Vol.26 No.2
Purpose: To determine the clinical manifestations and maternal and perinatal outcomes in pregnant women with coronavirus disease 2019 (COVID-19). Methods: We conducted a retrospective observational study of pregnant women with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection who were admitted to National Health Insurance Service (NHIS) Ilsan Hospital between August 2020 and October 2021. The maternal and perinatal outcomes were investigated. Results: Among 184 pregnant women infected with SARS-CoV-2, 79 women delivered. Of the women who delivered, with 36 women giving birth during the quarantine period. At delivery, 45 women were positive for SARS-CoV-2 by polymerase chain reaction (PCR), whereas 34 women were negative. The most common clinical manifestations were cough (65.2%), fever (38.0%), and myalgia (33.2%). Regarding perinatal outcomes, none of the babies had an Apgar score < 7 at 5 minutes, and none were intubated following the delivery. The preterm birth rate and small-for-gestational-age (SGA) rate were 15.2% and 16.5%, respectively. All babies who was delivered at NHIS Ilsan Hospital were negative for SARSCoV- 2 infection by PCR, which was evaluated using amniotic fluid, cord blood, neonatal nasopharyngeal and oropharyngeal swabs in the 1st and 2nd days following delivery, although 45 women were positive for SARS-CoV-2 infection by PCR at the time of delivery. Conclusion: Most pregnant women with COVID-19 in South Korea were unlikely to manifest symptoms or present with a severe disease progression. The observed preterm birth rate and SGA rate were higher in women with COVID-19 than in those without COVID-19. However, there was no evidence of vertical transmission, and all babies were negative for SARS-CoV-2 infection during pregnancy.
이여진,박한훈 한국융합신호처리학회 2022 융합신호처리학회 논문지 (JISPS) Vol.23 No.3
Mutual distillation is a knowledge distillation method that guides a cohort of neural networks to learn cooperatively by transferring knowledge between them, without the help of a teacher network. This paper aims to confirm whether mutual distillation is also applicable to super-resolution networks. To this regard, we conduct experiments to apply mutual distillation to the discriminators of SRGANs and analyze the effect of mutual distillation on improving SRGAN’s performance. As a result of the experiment, it was confirmed that SRGANs whose discriminators shared their knowledge through mutual distillation can produce super-resolution images enhanced in both quantitative and qualitative qualities. 상호증류는 교사 네트워크 도움 없이 다수의 네트워크 사이에 지식을 전달함으로써 협력적으로 학습하도록 유도하는 지식증류 방법이다. 본 논문은 상호증류가 초해상화 네트워크에도 적용 가능한지 확인하는 것을 목표로 한다. 이를 위해 상호증류를 SRGAN의 판별자에 적용하는 실험을 수행하고, 상호증류가 SRGAN의 성능 향상에 미치는 영향을 분석한다. 실험 결과, 상호증류를 통해 판별자의 지식을 공유한 SRGAN은 정량적, 정성적 화질이 개선된 초해상화 영상을 생성하였다.
이여진,유성진,배용근 조선대학교 전자정보통신연구소 2002 電子情報通信硏究所論文誌 Vol.5 No.2
Electronic check schemes are more efficient than electronic coin schemes with respect to computational costs and the amount of information exchanged, In spite of these, difficulties in making a refund reusable and in representing the face value of a check have discouraged its development. In this paper, a online electronic check system is presented, which solves the above problems. This system uses the partially blind signature to provide user anonymity and to represent the face value of a check. This partially blind signature is EC-KCDSA using ECC. Then this regards mobile terminals for using M-Commerce. The partially blind signature enables us to make the format of refunds and initially withdrawn checks identical and mobile. Thus, it allows refunds to be reused to buy goods without any limitations.
류마티스 질환자의 피로와 통증 비교연구 : 강직성척추염, 섬유조직염, 루프스환자를 중심으로
이여진,임난영,이은영 성인간호학회 2000 성인간호학회지 Vol.12 No.4
This study was designed to order descriptive data for nursing intervention for relief of fatigue and pain, and to distinguish by the characteristic difference and the symptoms such as fatigue and pain on Ankylosing Spondylitis(AS), Fibromyalgia(FM), and Systemic Lupus Erythematosus(SLE) patients. The sample consisted of 92 Patients(AS 29: FM 30; SLE 33) who visited H-University Rheumatism Hospital in Seoul The data were collected by a structured questionnaire from May 1. 1999 to April 30, 2000. The results were as follows: Patients of 95% experienced fatigue in the last week and a fatigue score of three disease groups were above average. The fatigue score of FM patients was highest in the other disease, but which was not a statistically significant difference(F= 1.417. p=.248). The mean score of AS and FM patients in pain was higher than the SLE patients, and there was the statistical significance among the three groups on pain (F=8.239. p=.001). There wasn't a statistical difference among three groups on coping wtih pain(F= 1.451, p=.240). There wasn't any correlation between fatigue and pain in each disease (AS. r=.008. p=.966; FM: r=.328, p=.077: SLE: r=.237,p=.185). Therefore, morning stillness and pain management during sleeping is needed through good body alignment in the AS patients. Adequate rest for fatigue and multiple coping strategies for pain maybe basic nursing intervention in FM and SLE. According to their fatigue rhythm. a regular exercise program is needed for rheumatic disease because they complained of fatigue above average and their fatigue was repeated bettor and worse only during the one week.
Von Hippel-Lindau 증후군 환자에서 내림프낭 혈관종
이여진,김예원,박성혜,박무균 대한이비인후과학회 2015 대한이비인후과학회지 두경부외과학 Vol.58 No.10
The present study reports a rare case of capillary hemangioma of endolymphatic sac. A 23-year-old male who underwent von Hippel-Lindau disease presented with recurrent sudden sensorineural hearing loss. Magnetic resonance imaging revealed a heterogenous enhanced mass in the right endolymphatic sac, which was hyperintense on the enhanced T1-weighted images and inhomogenous on the T2-weighted images. Pre-operatively, this tumor was believed to be an endolymphatic sac tumor because of the history of von Hippel-Lindau disease. During the surgery, vascular tumor was removed by transmastoid approach. A histopathological examination indicated that the tumor was a capillary hemangioma. To the best of our knowledge, the present study is the second case of hemangioma in the endolymphatic sac and first case of von Hippel-Lindau disease.
IMT-2000 환경에서 Block Design을 응용한 회의용 인증메카니즘의 설계
이여진,김중태,조영주,유성진,배용근 조선대학교 전자정보통신연구소 2003 電子情報通信硏究所論文誌 Vol.6 No.1
In this paper, we present conference key authentication mechanism by employing an algebraic method on IMT-2000 environment To accomplish this, Symmetric Balanced Incomplete block design is applied for generating the communication key and then this key is distributed to participants Through this technique for creating a conference key and mutual authentications performed based on identification information, the communication protocol is designed The protocol presented minimizes the transmission complexity for generating a conference key On a special case the time complexity is O(v√v), where v is the number of participant. The security of the mechanism, which is a significant problem in the construction of Secure system, can be, proved as computationally difficult to calculate as factoring and discrete logarithms.