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Bioimpedance 를 이용한 심박출량의 측정 ; 열희석법과의 비교
박경선(Kyoung Sun Park),노태호(Tai Ho Rho),최재철(Jae Chul Choi),전승석(Seung Sok Chon),김종상(Chong Sang Kim),김재형(Jae Hyung Kim),최규보(Kyu Bo Choi),홍순조(Soon Jo Hong) 대한내과학회 1989 대한내과학회지 Vol.36 No.4
N/A Changes in bioimpedance during the cardiac cycle are inversely related to the volume of blood within the heart and great vessels. Estimating cardiac output from changes in the bioimpedance is a safe, painless, and noninvasive alternative which should be useful for repeated bedside determinations in individual patients. Cardiac output determined by the bioimpedance method using NCCOM3® (noninvasive continuous cardiac output monitor) was compared with that of the thermodilution method in 22 patients who underwent cardiac catheterization. Twenty-two patients, 7 males and 15 females ranging in age from 22 to 56 (mean 41.4), had various cardiac diseases. Coronary heart disease was present in 5 and valvular heart disease in 17. The cardiac rhythm was sinus rhythm in 4 and atrial fibrillation in 18. The results were as follows: 1) Bioimpedance provided a noninvasive, continuous and simple method to monitor cardiac output. 2) Cardiac output measured by bioimpedance and the thermodilution method correlated well (r=0.827 as a whole, r=0.902 in those with sinus rhythm). 3) Bioimpedance can be used in the clinical setting when the thermodilution method is not readily feasible and when continuous monitoring of cardiac output is indicated.
박선경(Seon Gyeong Bak),임형진(Hyung Jin Lim),원영선(Yeong-Seon Won),박은재(Eun Jae Park),오제훈(Je Hun Oh),김지은(Ji Eun Kim),이민지(Min Jee Lee),이소영(Soyoung Lee),이승웅(Seung Woong Lee),이승재(Seung Jae Lee),노문철(Mun Chual Rho 한국축산식품학회 2023 Food and Life Vol.2023 No.1
The skin is the largest organ that blocks invasion to the outside. Due to external stimuli, the skin barrier collapses and immune function abnormalities occur. This leads to skin diseases such as atopic dermatitis and psoriasis. Through this study, we attempted to develop a natural material that can be used for various dermatitis diseases. In this study, the gene expression of skin barrier-related proteins was confirmed using tumor necrosis factor-α/interferon-γ-stimulated HaCaT cells through real-time PCR. As a result, it was confirmed that the gene expression of skin barrier-related proteins and ceramide-related proteins was improved by the ABE-M. In this study, it was confirmed that the gene expression of filaggrin, involucrin, and loricrin, which are skin barrier-related proteins, was improved by ABE-M, and it was confirmed that the gene expression of the tight junction-related proteins, occludin and zonula occludens proteins-1, was also increased. As such, it is expected that ABE-M can be used as a material for skin inflammation such as atopic dermatitis.
큰입배스 Micropterus salmoides의 위 내용물 분석을 통한 일산호수 내 큰입배스의 생육상태 및 수생동물의 다양성 간접 평가
김이태(I Tae Kim),박재로(Jae Rho Park),김원재(Weon Jae Kim) 大韓環境工學會 2013 대한환경공학회지 Vol.35 No.12
본 연구는 도시 인공호수에서 서식하는 큰입배스 위 내용물 분석을 통해 먹이 다양성에 따른 성장 특성과 수생동물 군집 특성을 조사하였으며 대상호수는 국내에서 가장 큰 도시 인공호수 중 하나인 일산호수에 대하여 실시하였다. 큰입배스의 길이와 무게의 관계에 따라 Zone III(생태 구역)에서의 체중증가속도가 다른 Zone보다 더 빠른 것으로 나타났다. 어류 총 16종 및 9종이 각각 Zone III 및 Zone I, II(인공 구역)에서 관찰되어 Zone III의 어류의 종다양성이 Zone I, II에 비해 높았다. 상대중요성지수(IRI)는 Zone III에서 Zone I, II에 비해 더 다양하였으며, 공복율을 고려할 때 먹이 스트레스는 Zone I, II에서 더 심각한 것으로 나타났다. 어류의 군집분석 결과, 피라미 Zacco platypus가 우점종인 것으로 나타났고, 긴몰개 Squalidus gracilis majimae와 밀어 Rhinogobius brunneus는 Zone III에서만 풍부하게 발견되었다. Zone I, II에서 나타난 먹이종의 낮은 다양성을 고려할 때, 소금쟁이류 Heteroptera와 같은 절지동물문은 Zone I, II에서 Zone III에 비해 큰입배스의 위 속에서 상대 적으로 높은 비율로 관찰되었다. 본 연구에 의해 큰입배스의 위 내용물 분석과 같은 간접적인 평가에 의해 수생동물 군집의 특성을 파악하는 것이 가능한 것으로 나타났다. In this study, through the analysis of the growth condition and prey of the largemouth bass, we tried to understand the characteristics of the aquatic animal community depending on the composition and shape of a artificial lake. The evaluation was conducted for Ilsan lake which is one of the largest urban artificial lakes in Korea. Weight gain rate of the Zone III (eco-zone) was more rapid based on the relationship of length and weight of largemouth bass. Total 16 and 9 species of fish were found in each Zone III and Zone I, II (artificial zones), which represented significantly higher diversity of fish species in Zone III than Zone I, II. Index of relative importance(IRI) was more diverse at Zone III and when considering the hunger rate the food stress was more serious at Zone I, II. the proportion of the population of fish, Zacco platypus revealed to be the dominant species, and Squalidus gracilis majimae and Rhinogobius brunneus inhabited only Zone III naturally rich. On account of low prey species diversity of Zone I, II, the Phylum Arthropoda like Heteroptera showed relatively higher prey ratio in stomach of largemouth bass than that of Zone III. It was possible to figure out aquatic animal community characteristics indirectly through analyzing the stomach contents of largemouth bass.