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주지현,최정현,이동건,백지연,고윤호,이혜정,김세희,신호진,박윤희,박지영,김유진,신완식,김춘추 대한감염학회 2001 감염 Vol.33 No.4
Background : Pneumocytitis cainii pneumonia (PCP) can occur in immunocompromised hosts especially such as AIDS or cancer patients. Although recent research had focused on PCP in AIDS patients, few studies have described the clinical presentations of PCP in recipients of stem cell transplantation (SCT). We evaluated the clinical manifestations of PCP in SCT patients admitted at St. Mary's hospital, Seoul, Korea. Methods : The medical records of 17 PCP patients undergoing SCT between Feb. 1998 and Feb. 2000 were reviewed. The diagnosis of PCP was confirmed through the demonstration of Pneumocytitis cainii via either cytology of brochoalveolar lavage (BAL) or histological technique of lung biopsy. CMV disease and CMV infection were confirmed by BAL culture and antigenemia respectively . Results : Seventeen patients were all recipients of allogeneic SCT and 7 of 17 patients were performed non-sibling SCT. Patients presented with symptoms including brief period (4 ∼23 days) of fever (76%), dyspnea (70%), cough (64%), and signs such as rare(58.8%), Sixteen patients (94%) had been receiving immunosuppressive agent such as cyclosporine A (64%) or Fk506 (35%) without PCP prophylaxis. Eleven patients (64%) were treated with corticosteroid with mean dose of 16 mg/day prednisolone and mean duration of 4.6 months after post-SCT period. Twelve patients were co-infected with CMV. Another co-infected miCroorganisms were Pseudomonas aeruginosa, Mycobacterium tuberculosis, herpes simplex virus, parainfluenza virus, Average duration of treatment with trimethoprim-sulfamethoxazole (TMP/SMX) was 21 ±9 days. Four patients died, and three of them were related with PCP. Conclusion : PCP developed frequently in patients who were taking immunosuppressive drug due to graft versus host disease or were not taking TMP/SMX prophylaxis. High risk patients showing fever, cough, or dyspnea should be considered to take early bronchoscopic intervention for detection of PCP. When treat for PCP, it also be considered to the possibility of coinfection such as CMV. (Korean J Infect Dis 33:273∼279, 2001)
신규간호사와 프리셉터가 인지하는 프리셉터의 교수효율성 비교
김지양,김영선,김춘실,박현숙,신미영,윤연숙,조유숙,박미미,유문숙 한국간호과학회 간호행정학회 2009 간호행정학회지 Vol.15 No.2
Objective: The purpose of this study was to compare preceptors and new graduate nurses on their perception of preceptor teaching effectiveness. Methods: The participants were 90 new nurses and 90 preceptors who worked in A medical center. The data were collected from July 1 to September 30, 2008. A cross-sectional descriptive survey was done using a structured questionnaire. Results: New nurses' perception (4.07±.44) of the preceptor teaching effectiveness was significantly higher than perception of the preceptors (3.57±.37). Fifty five percent of new graduate nurses reported a lack of coherence in the preceptor's practice guidelines. For 5 causal factors classified on the teaching effectiveness, the factor of 'Professional knowledge and ability' showed the highest score, but 'Interpersonal and communication skill' got lowest score for both group. Preceptors responded that they did not have enough time to teach well because of their heavy workloads. Conclusions: These results suggest that the preceptors need appropriate compensation and education opportunities, and new graduate nurses need consistent education by the teaching professionals. Therefore, it is important to give preceptors full charge of the preceptorship. Also, it will be necessary to develop education programs to enhance interpersonal and communication skill for preceptors and new nurses.
음용수 중 유해화학물질에 대한 위해성 평가에 관한 연구 : Ⅱ 비발암성 화학물질을 중심으로
정용,신동천,김종만,박성은,양지연,이자경,황만식,박연신 한국환경독성학회 1995 환경독성보건학회지 Vol.10 No.1
The purpose of this research is to estimate a safe environmental level of human exposure to thresholding acting toxicants in drinking water and recommend the acceptable levels and management plans for maintaining good quality of drinking water and protecting health hazard. This research has been funded as a national project for three years from 1992 to 1995. This study(the second year, 1993-1994) was conducted to monitor 39 species of non-carcinogenic chemicals such as volatile organic compounds(VOCs), polynuclear aromatic hydrocarbons(PAHs), pesticides and heavy metals of drinking water at some area in six cities of Korea, and evaluate health risk due to these chemicals through four main steps (hazard identification, exposure assessment, dose-response assessment and risk characterization) of risk assessment in drinking water. In hazard identification, 39 species of non-carcinogenic chemicals were identified by the US EPA classification system. In the step of exposure assessment, sampling of tap water from the public water supply system had been conducted from 1993 to 1994, and 39 chemicals were analyzed. Indose-response assessment for non-carcinogens, reference doses(RfD) and lifetime health advisories (HAs) of lifetime acceptable levels were calculated. In risk characterization of detected chemicals, the hazard quotients of noncarcinogens were less than one except those of manganese and iron in D city.
도시거주자의 혈중 카드뮴 농도와 간 및 신장 기능과의 상관성 평가
김호현,임영욱,임종한,양지연,신동천 한국환경독성학회 2003 환경독성보건학회지 Vol.18 No.1
The possibility that liver and kidney function is adversely affected by current levels of environmental exposure to cadmium (Cd) as investigated in adult men and women in the general population in Seoul. From February to August in 2001, blood and morning spot urine samples were collected from 136 not occupationally exposed group (age range 20~75 years) at 4 survey sites throughout Seoul. Liver and kidney function parameters in serum and urine were examined by conventional methods. The questionnaire included factors, i.e. sex, age, smoking, alcohol, diet habit etc. The geometric mean values for Cd in blood (Cd-B) were 1.43 μg/l. It seemed prudent to conclude that liver and kidney function as not disturbed by the current environmental exposure to Cd in study.
Chun, Ji-Yeon,Kim, Kwon-Beom,Shin, Jong-Boo,Min, Sang-Gi Korean Society for Food Science of Animal Resource 2013 한국축산식품학회지 Vol.33 No.1
This study was carried out to investigate the effect of trans-cinnamaldehyde and high pressure treatment on milk. Cinnamon oil milk was manufactured by high speed homogenization (3,000 rpm) and high pressure homogenization (500 and 2,000 bar) processing UHT milk and trans-cinnamaldehyde of various concentrations (0 to 0.1% (w/v)). Cinnamon oil milk was inoculated with Escherichia coli (6.4 Log CFU/mL) and kept at $7^{\circ}C$ for 10 d to observe the antibacterial effect. The cinnamon oil milk containing 0.05% (w/v) trans-cinnamaldehyde initially began to show an antibacterial effect and Escherichia coli completely died in cinnamon oil milk added 0.1% (w/v) trans-cinnamaldehyde on the 6th day of storage. The result of the TBA value showed that the addition of 0.1% (w/v) trans-cinnamaldehyde was also effective to protect lipid oxidation. In the physical properties of cinnamon oil milk, particle sizes were enlarged in all samples during storage periods and the total color difference of cinnamon oil milk was slightly increased as level of high pressure. The surface tension of cinnamon oil milk treated 2,000 bar was remarkably higher than other samples. It seems that trans-cinnamaldehyde showed antibacterial activity and antioxidation effect at 0.05 and 0.1% (w/v) of concentration. Remarkably, high pressure treatment did not influence its microbial property but slightly affected the physical properties of cinnamon oil milk.
Applications of Time-Temperature Integrator (TTI) as a Quality Indicator of Grounded Pork Patty
Chun, Ji-Yeon,Choi, Mi-Jung,Lee, Seung Ju,Hong, Geun-Pyo Korean Society for Food Science of Animal Resource 2013 한국축산식품학회지 Vol.33 No.4
Time-temperature integrators (TTIs) are simple and cost-efficient tools which may be used to predict food quality. Enzymatic TTIs are devised to indicate food quality in the form of color alterations from green to red, based on the cumulative impacts of temperature and time period on the enzymatic reactions. In this study, the quality of ground beef patties was investigated for the parameters of pH levels, color, VBN, water holding capacity, and total microbial counts, depending on various storage temperatures (5, 15, and $25^{\circ}C$). TTIs were attached to the surface of the ground beef patties in order to evaluate the degree of correlating colorimetric changes with the determined quality parameters. Through the Arrhenius equation, activation energy and constant reaction rates of TTI, VBN, and total microbial counts were calculated as to observe the relationship between enzymatic reactions of the TTI and food spoilage reactions of the ground beef patties. VBN and total microbial counts were already increased to reach decomposition index (VBN: 20, total microbial count: 7-8 Log CFU/g) of meat at middle stage of storage period for each storage temperature. Although activation energy of TTI enzymatic reactions and food spoilage reactions of the ground beef patties were similar, the change of TTI color was not a coincidence for food spoilage at $5^{\circ}C$ and $15^{\circ}C$ of storage temperature. It was suggested that TTI should be designed individually for storage temperature, time, type of meat, or decomposition index of meat.
[P5-51] Development of a Species Specific-PCR Method for Rapid Identification of Bacillus cereus
Ji Yeon Lee,Gun-Hee Kwon,Hwang A Lee,Ji Yeong Park,Chang Un Baek,Hyeon Deok Jo,Kang Wook Lee,Joo Yeon Kim,Chun-Seok Park,Dae Young Kwon,Jinkyu Lim,Jong-Sang Kim,Jeong Hwan Kim 한국식품영양과학회 2009 한국식품영양과학회 학술대회발표집 Vol.2009 No.11