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조성현,황정해,김은경,오병희,김창엽 한국의료QA학회 1996 한국의료질향상학회지 Vol.3 No.1
Background : Blood pressure is an important indicator in diagnosis and assessing treatment of a patient. Clinical staffs use blood pressure on the assumption that measured value is accurate and reliable. However, whether measured blood pressure is accurate has been rarely investigated in Korea. Objectives : The aims of this study are to evaluate clinical staffs' knowledge and technique as well as accuracy of sphygmomanometer. Also the program to improve the measurement is developed. Methods : Seventy-three registered nurses were asked nine multiple choice questions including Korotkoff sound, cuff size, and deflation rate. Simultaneously characteristics of nurses were examined age, working place, duration of employment and academic degree. A testing videotape(Standardizing Measurement Video-Tutored Course) was used for evaluating the accuracy of measurement. Testees were to read and record the 12 cases of blood pressure measurement, watching a falling mercury column and hearing Korotkoff sounds. After 10 minutes' education, they were again tested with the same cases. Additionally, 83 mercury sphygmomanometers were checked to find defects such as inaccurate calibration and zero setting, leaky bladder, etc. Results : For the knowledge testing correct response rate was 41.1%. They were the lowest in selecting the proper cuff size and Korotkoff sound. In examining accuracy of blood pressure with videotape, nurses had 67.7% correct response rate. The correct response rate was significantly improved by a session of education. About 23% of sphygmomanometers was without discemable defects. Conclusion : The knowledge and skill of clinical staffs along with the accuracy of equipment have to be improved. A properly designed education program would contribute to the accuracy improvement of blood pressure measurement. Also, more concerns should be given to the precision and maintenance of equipment.
김은경,조성현,김창엽,오병희 한국의료QA학회 1995 한국의료질향상학회지 Vol.2 No.1
Background: clinical indicators are objective measures of process or outcome of patient care in quantitative terms. This study aims to review the medical records of patients who 'return to operating room during the same admission', which is one of the critical clinical outcomes, and describe the result by unplanned reoperation rate. Methods: Computerized patient registry was used for selecting subject conditions. For medical records retrieved, two nurse evaluators identified the presence of explicit reoperation planning in medical records. Results: Overall reoperation rate was 2.8% and unplanned reoperation rate 1.3%, The main category of reoperation cause was the postoperative bleeding. Duration of stay from previous operation to reoperation of the unplanned group, 12.7 days, was shorter than that of the planned(p<.05). The differences did not reach statistical significance in age, sex and length of stay. Conclusion: Results suggested that unplanned reoperation rate was lower than 'threshold' level other institutions had established. However, this result could become comparable only after management of medical records would be improved and risk adjusted.
Biological Control Activity of Two Isolates of Pseudomonas fluorescens againstRice Sheath Blight
Gyung Ja Choi,Jin Cheol Kim,Eun Jin Park,Yong Ho Choi,Kyoung Soo Jang,He Kyoung Lim,Kwang Yun Cho,이선우 한국식물병리학회 2006 Plant Pathology Journal Vol.22 No.3
Two isolates of mucous bacteria, mc75 and pc78, were isolated from fungal culture plate as culture contaminants with an interesting swarming motility. Both isolates were identified as Pseudomonas fluorescens based on microscopy, biochemical analysis, Biolog test and DNA sequence analysis of the 16S rRNA gene. Both strains have the exactly the same 16S rRNA gene sequences, and yet their biological control activity were not identical each other. In vitro analysis of antagonistic activity of two isolates against several plant pathogenic fungi indicated that both produced diffusible and volatile antifungal compounds of unknown identities. Treatment of the bacterial culture of P. fluorescens pc78 and its culture filtrate exhibited a strong biological control activity against rice sheath blight in vivo among six plant diseases tested. More effective disease control activity was obtained from treatment of bacterial culture than that of culture filtrate. Therefore, in addition to antifungal compound and siderophore production, other traits such as biofilm formation and swarming motility on plant surface may contribute to the biological control activity of P. fluorescens pc78 and mc75.
솔나리(Lilium cernum Komarov.)의 식물체 분화와 자구 형성에 미치는 생장조절물질과 sucrose의 영향
趙遠湊,朴鶴封,崔銀京 전북대학교 농업과학기술연구소 1999 農大論文集 Vol.30 No.1
This study was carried out to find out the effects of growth regulators and sucrose on the plant differentiation and bulblet formation for micropropagation of L. cernum Komarov. When the bulb scales of L. cernum were cultured on MS medium containing various plant growth regulators, the shoots were stimulated on the MS basal medium after 2 weeks culture. Shoot differentiation was promoted vigorously by 0.1 mg/L 2,4-D and 0.3 mg/L TDZ. Number of bulblets formed in bulb scales was the greatest at 0.01 mg/L NAA and 0.01 mg/L BA or 0.1 mg/L NAA and 0.1 mg/L BA treatment among five treatments. Bulblet formation from stem explant was promoted on MS medium supplemented with 0.1 mg/L NAA and 0.1 mg/L BA. While bulblet formation from leaf explant was promoted in MS medium supplmented with 0.1 mg/L NAA and 0.1 mg/L TDZ. When bulblets were cultured on medium containing 3%, 6% and 9% sucrose and on medium containing3%. 6% and 9% sucrose with 0.1 mg/L NAA for bulblet development, larger bulblets were formed in medium supplmented with 0.1 mg/L NAA with 6% sucrose than 3% sucrose treatment.