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오덕자,민혁기,차영주 대한수혈학회 2024 大韓輸血學會誌 Vol.35 No.2
Background: We aimed to examine the status of Korean blood services from 2015 to 2022, including the coronavirus disease-2019 (COVID-19) pandemic period. Methods: We referred to the Korean Red Cross Blood Services Statistics Yearbooks from 2015 to 2022 and analyzed the data. Results: The actual number of blood donors decreased by 20.4% in the period 2015∼2022. During this period, the number of blood donations decreased by 14.1%, and the number of teenage blood donations decreased by 55.9%. Nevertheless, the supply of patient-appropriate blood products such as leukocyte-reduced red blood cells, specific antigen-negative blood cells, and apheresis platelets steadily increased. The plasma self-sufficiency rate for manufacturing of plasma derived medicinal product decreased yearly, from 95% in 2015 to 43.9% in 2022. Among the reasons for being ineligible for blood donations, the rate of hemoglobin levels not meeting the standard is slightly increasing. The positive rates of blood donor screening tests have decreased by 1% since 2019. The yearly differences in the number of hepatitis B surface antigen (HBsAg), hepatitis C antibody (HCV Ab), and human T-lymphotropic virus type 1 antibody (HTLV Ab) positive cases between 2017 and 2022, are noticeable. Conclusion: To secure an adequate supply of blood and ensure a stable supply of efficient blood products, we must utilize registered blood donors, including middle-aged people, and should also attempt the donation of multi-unit component blood products to increase blood donation efficiency. (Korean J Blood Transfus 2024;35:79-92) Key words: Blood services statistical yearbook, COVID-19, Teenage blood donation, Blood stocks, Donor screening test
정신지체 장애인과 일반 성인의 건강에 관련된 체력 비교
오덕자 한국특수체육학회 2003 한국특수체육학회지 Vol.11 No.1
The purpose of this study was to comparison of health related physical fitness between normal and mentally retarded adults. Subjects were 13 EMR(mean age : 22.2years old) and 14 normal(mean age : 22.8years old). To compare physical fitness between too groups, we measured VO₂max(cardio respiratory function), grip strength(muscular strength), sit-ups(muscular endurance), sit-and-reach(flexibility), body percent fat and lean body mass(body composition). The result of study was as follows; First, the EMR's muscular strength, flexibility and muscular endurance were significantly worse than that of the normal's. Second, The correlation ship between %fat and VO2max showed positive ness but between %fat and muscular strength showed negative ness in normal adult. On the other hand, the correlation ship muscular strength-body weight, muscular strength-lean body mass showed positive ness, respectively in EMR
오덕자,박진희,김지영 한국체육과학회 2007 한국체육과학회지 Vol.16 No.1
The purpose of this study is to find out factors that make university dance majors devote to their dancing based on their participation and analyze relations between each variables of devotion. Exaltation, autotelic experience, balance between challenge and technique, time transformation, clear goals and control are selected as factors that compose devotion to dancing. According to study on university dance majors’ participation and their devotion, the number of participation has meaningful influence on autotelic experience, balance between challenge and technique, and clear goals. Also, participation period among participation variables has meaningful influence on clear goals. Like this, study on relationship between participation in dance and devotion to it can be data for analyzing relations between coordinating and selecting participation and devotion.
Investigation of the Prevalence of Human Parvovirus B19 DNA in Korean Plasmapheresis Donors
오덕자,이유라,강재원,권소영,조남선 대한진단검사의학회 2010 Annals of Laboratory Medicine Vol.30 No.1
Background : To ensure the safety of plasma derivatives, some countries have been screening for the human parvovirus B19 (B19V) antigen or DNA in blood donors. We investigated the prevalence of B19V DNA and anti-B19V antibodies in Korean plasmapheresis donors to evaluate the necessity of B19V DNA screening test. Methods : Plasma samples were collected between March and July 2008 from 10,032 plasmapheresis donors. The B19V DNA test was performed using the LightCycler 2.0 (Roche, Germany) with quantification kits. Anti-B19V IgM and IgG were tested in 928 randomly selected samples from the 10,032 donors using recomWell Parvovirus B19 ELISA IgM, IgG assay (Mikrogen, Germany). RecomLine Parvovirus B19 LIA IgG, IgM assay (Mikrogen, Germany) was used to analyze the epitopes of antibodies in donors showing positive results for B19V DNA and anti-B19V antibodies. DNA sequencing was performed to identify the genotypes. Results : The prevalence of B19V DNA was 0.1% (10/10,032). Virus titers in B19V DNA positive donors were less than 105 IU/mL (range: 2.7×101-3.2×104 IU/mL) except for 1 donor (1.33×108 IU/mL). All the isolated B19V DNAs from 6 donors were identified as genotype I. Nine out of 10 B19V DNA positive donors also possessed anti-B19V IgG only or IgG and IgM. The prevalence of anti-B19V IgG was 60.1% (558/928). Conclusions : The prevalence of B19V DNA in Korean blood donors was not high and most donors also possessed neutralizing anti-B19V antibodies. Thus, the implementation of a B19V screening test for Korean blood donors does not appear to be imperative. (Korean J Lab Med 2010;30:58-64)