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COVID-19 Pandemic Effect on Maternal Stress Level : An Integrative Literature Review
Youngmi Yang,Miran Jung 대한산업경영학회 2024 산업융합연구 Vol.22 No.3
본 연구는 통합적 문헌고찰을 통해 COVID-19 팬데믹 상황에서의 임신부 스트레스의 특징을 파악하고자 하였다. 자 료수집은 2020년부터 출간된 문헌 중 영어 또는 한글로 발표된 논문들을 대상으로 2023년 5월 1일부터 2023년 8월 10일까 지 수행하였다. 문헌검색은 PubMed, Embase, Cochrane library, CINAHL의 국외 검색엔진과 RISS, KISS, 국회도서관의 국내 검색엔진을 사용하였는데, ‘pregnan*’, ‘maternity’, ‘COVID’, ’corona’, ‘pandemic’, ‘infection’, ‘stress’코로나, ‘팬데믹’, ‘감염’, 및 ‘스트레스’의 검색어를 조합하여 실시하였고, 질평가를 거쳐 최종 13편의 문헌이 선정되었다. COVID-19 팬데믹 상황에서 임신부 스트레스 정도는 대체로 증가하였으며, 임신부 스트레스 주요 요인으로는 임신부의 의 학적 상태, 정신심리적 요인, 사회경제적 요인이 있었다. COVID-19 팬데믹 상황 하에서 임신부를 대상으로 이루어진 스트레 스 감소 중재는 비대면 교육 및 훈련이 효과적인 것으로 나타났다. 본 연구결과를 바탕으로 신종 감염재난 상황을 대비할 수 있는 스트레스 감소 프로그램 개발의 토대가 될 수 있을 것이라 사료된다. This study aimed to determine the characteristics of maternal stress during the COVID-19 pandemic. This review collected data from May 1 to August 10, 2023, focusing on literature published from 2020 on wards in English or Korean using key biomedical (PubMed, Embase, Cochrane Library, and CINAHL) and major Korean databases (RISS, KISS, and the National Library of Korea). The searched terms were “pregnan*,” “maternity,” “COVID,” “corona,” “pandemic,” “infection,” and “stress,” as well as their Korean equivalents. In total, 13 papers were selected. The maternal stress level generally increased during the COVID-19 pandemic. The primary factors affecting maternal stress were the medical, psychological, and socio-economic factors. Interventions for stress reduction in pregnant women during the pandemic were found to be effective, such as online education and training This study can be used as a reference for developing stress reduction programs to prepare for novel infectious disease emergencies.
Adaptive ARQ Method for Enhancements of LTE MAC Protocol
Jung, Yonghak,Kwon, Youngmi Korea Multimedia Society 2016 멀티미디어학회논문지 Vol.19 No.12
In layered communication architecture, each layer is designed to service its own functions to higher layer while getting serviced by lower layer. Usually layered architectures are not optimized in a total view of whole services and functions. So cross layer design pursues performance enhancements by optimizing in various ways. In LTE, MAC layer uses HARQ mechanism and RLC layer uses ARQ mechanism for retransmission. According to the 3GPP 36.331 specification, two layers' cooperation may not happen in an optimized way. This paper suggests an adaptive MAC layer approach which RLC layer's function might be initiated in MAC layer in advance to utilize MAC layer's idling wasting time for RLC layer's next decision. This adaptive ARQ method in MAC layer speeds up the next retransmission and reduces the overall transmission time. Emulation shows the improved performance in total retransmission time and retransmission success ratio. In wireless shadow area, the retransmission occurs frequently. Our approach has strong points in this poor wireless condition.
Jung, Jaemin,Kim, Joonyup,Jin, Bingkui,Choi, Youngmi,Hong, Chang Oh,Lee, Hyun Ho,Choi, Youngwhan,Kang, Jumsoon,Park, Younghoon Korean Society of Horticultural Science 2017 원예과학기술지 Vol.35 No.3
Bloomless cucumber fruits are commercially produced by grafting onto the pumpkin stocks (Cucurbita moschata) to restricted silicon ($SiO_2$) absorption. Inhibition of silicon absorption in bloomless stocks is conferred by a mutant allele of the CmLsi1 homologous to Lsi1 in rice. In this study, we characterized the Lsi1 homologs in pumpkin (C. moschata) and its cold-tolerant wild relative C. ficifolia ('Heukjong') in order to develop a DNA marker for selecting a bloomless trait and to establish the molecular basis for breeding bloomless stock cultivars of C. ficifolia. A Cleaved amplified polymorphic sequence (CAPS) marker (CM1-CAPS) was designed based on a non-sysnonymous single nucleotide polymorphism (SNP, C>T) of the CmLsi1 mutant-type allele, and its applicability for Marker-assisted selection (MAS) was confirmed by evaluating three bloom and five bloomless pumpkin stock cultivars. Quantitative RT-PCR of the CmLsi1 for these stock cultivers implied that expression level of the CmLsi1 gene does not appear to be associated with the bloom/bloomless trait and may differ depending on plant species and tissues. A full length cDNA of the Lsi1 homolog [named CfLsi1($B^+$)] of 'Heukjong' (C. ficifolia), was cloned and sequence comparison between CmLsi1($B^+$) and CfLsi1($B^+$) revealed that there exists total 24 SNPs, of which three were non-synonymous. Phylogenetic analysis of CfLsi1($B^+$) and Lsi1 homologs further revealed that CfLsi1($B^+$) is closesly related to Nodulin 26-like intrinsic proteins (NIPs) and most similar to CpNIP1 of C. pepo than C. moschata.
( Youngmi Jeong ),( Ki-jin Ryu ),( Hyuntae Park ),( Yong Jin Kim ),( Kyong Wook Yi ),( Jung Ho Shin ),( Jun Young Hur ),( Tak Kim ) 대한산부인과학회 2019 대한산부인과학회 학술대회 Vol.105 No.-
Objective: The association between polycystic ovary syndrome (PCOS) and type 2 diabetes mellitus (DM) is still uncertain in East Asia where a lean PCOS is relatively common compared to western countries. This study is purposed to determine the risk of DM for Korean women diagnosed with PCOS at their reproductive age. Methods: We conducted a prospective matched case-control study using National Health Insurance Service (NHIS) sample cohort dataset that included approximately 1 million individuals from Korea. We selected women aged 15-44 years old who were diagnosed with PCOS during the years 2003~2012. The controls were randomly matched to them at a ratio of 2:1 by age, region, and socioeconomic status. The incidence of primary diagnosis of DM during the follow up time was compared between the two groups. Results: In total, 1,332 PCOS cases and 2,590 controls were enrolled from the NHIS cohort database. A mean body mass index (BMI) was 22.02 ± 3.89 in the PCOS group and 21.17 ± 3.07 in the control group. The annual incidence rate of DM among the PCOS women was 1.68 per 100 person-year, whereas that among the control women was 0.69: an attributable risk of DM associated with PCOS was 1.00 per 100 person-year among the PCOS women. And 59% of primary diagnosis of DM among the PCOS women seem to be related to PCOS. After adjusted for BMI, hazard ratio for DM was 2.19 among the PCOS women compared to the controls (P < 0.0001). Conclusion: PCOS is an independent risk factor of DM among the Korean women with reproductive age. Screening for DM might have benefits for the women diagnosed with PCOS.