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복강경하 대장절제술을 시행 받는 환자에서 라모세트론과 온단세트론외 술 후 오심 및 구토 예방 효과 비교
김효중;어전영;어근무;어정한;엄세훈;조광래;김명훈 인제대학교 2011 仁濟醫學 Vol.32 No.-
Objectives : We evaluated the efficacy of ramosetron and ondansetron for preventing postoperative nausea and vomiting (PONV) in laparoscopic colectomy. Methods and Materials : Eighty patients who received laparoscopic colectomy were randomly divided into two groups: R group (ramosetron 0.1mg PO) and O group (ondansetron 4mg twice IV). Injection or oral medication was administered before the induction of anesthesia in each group. Injection was administered at the end of surgery in O group. General anesthesia was induced using propofol and rocuronium, and maintained with sevoflurane, remifentanil and air (FiO2 0.5), We investigated the incidences of PONV in each group by the Rhodes index of nausea, vomiting and retching (RINVR) at postoperative 6 and 24 hours. Results : The incidence of PONV was not different between group at each time points after surgery (at postoperative 6 hours: 20% in group R, 17.5% in group 0, at postoperative 24 hours; 12.5% in group R, 7.5% in group 0). There was no difference in the severity of PONV, satisfaction, rescue drug usage. Conclusion : Prophylactic therapy with ramosetron is as effective as conventional prophylactic therapy with ondansetron for preventing PONV in general anesthesia for laparoscopic colectomy.
정갑인,이해혁,이효환,유정완,남계현,이임순,이권해 순천향의학연구소 1998 Journal of Soonchunhyang Medical Science Vol.4 No.2
Objective : Our purpose was to make preparations of what for proper emergency care and delivery in order to improve maternal and fetal well-being. Methods : The study was undertaken for the clinical evaluation and statistical analysis on the patients with placenta previa who had been admitted and delivered at Soonchunhyang University Hospital from January, 1994 to May, 1998, retrospectively. Results : The incidence of placenta previa was 2.0%. Placenta previa has occurred more often in multigravida(92%) than primigravida(8%). Vaginal bleeding was most frequent(37.3%) presentation. The mean gestational age at the first bleeding episode was 31~35 weeks(46.4%). The type of placenta previa was totalis (31.3%), Partialis(18%), marginalis(32.7%), low lying(18%). Conclusion . This study indicates that the obstetrician and the pediatrician should be prepared for emergency care and delivery of the placenta previa patients, with the improvement of delivery room and neonatal intensive care unit.
이응룡,강근호,강용진,김우열,최혜연,김봉우,정효순,조쌍구 충남대학교 형질전환복제돼지연구센터 2007 논문집 Vol. No.10
Many studies revealed the neuroprotective, cardioprotective, and chemopreventive actions of dietary flavonoids. The plausible mechanistic interpretation of the various effects of flavonoids was concentrated on the anti-oxidant or free radical-scavenging properties of these phytochernicals, both in model systems and under in vivo conditions. While there has been a major focus on the anti-oxidant properties. there is an emerging view that flavonoids and their in vivo metabolites. do not act as conventional hydrogen-donating anti-oxidants. but they may exert regulatory functions in cells through actions at protein kinase or lipid kinase signaling pathways. Flavonoids and more recently their metabolites. have been reported to act at phosphoinositide 3-kinase(PI 3-kinase). Akt/protein kinase B(Akt/PKB), protein kinase C (PKC), mitogen activated protein kinase(MAP kinase), and various tyrosine kinases signaling cascades. Inhibitory or stimulatory actions at these pathways are likely to affect cellular function profoundly by altering the phosphorylation state of target molecules and by modulating gene expression. A clear understanding of the mechanisms of action of flavonoids, either as anti-oxidants or modulators of cellular signaling pathways, and the influence of their metabolism on these properties are key to the evaluation of these potent biomolecules as anti-cancer agents, cardio-protectants, and inhibitors of neurodegeneration.
Compound Poisson 수요를 갖는 CONWIP 시스템의 근사적 분석
이정은,이효성 한국경영과학회 1998 韓國經營科學會誌 Vol.23 No.3
In this study we consider a CONWIP system in which the processing times at each station follow an exponential distribution and the demands for the finished products arrive according to a compound Poisson process. The demands that are not satisfied instantaneously are assumed to be backordered. For this system we develop an approximation method to obtain the performance measures such as steady state probabilities of the number of parts at each station, the proportion of backordered demand. For the analysis of the proposed CONWIP system, we model the CONWIP system as a closed queueing network with a synchronization station and analyze the closed queueing network using a product form approximation method. A matrix geometric method is used to solve the subnetwork in the application of the product-form approximation method. To test the accuracy of the approximation method, the results obtained from the approximation method were compared with those obtained by simulation. Comparisons with simulation have shown that the approximate method provides fairly good results.
항고형암제의 활성평가를 위한 in vitro 삼차원 암세포 배양계의 확립
이상학,이주호,구효정 한국약제학회 2004 Journal of Pharmaceutical Investigation Vol.34 No.5
For the efficient determination of activity against solid tumors, an in vitro tumor model that resembles the condition of in vivo solid tumors, is required. The purpose of this study was to establish a rapid culture method and viability assay for an in vitro 3-dimensional tumor model, multicellular spheroid (MCS). Among 12 human cancer cell lines, a few cell lines including DUD-1 (human colorectal carcinoma cells) formed fully compact MCS which was adequate for in vitro viability assay. DLD-1 MCS showed steady growth reaching 700 pm diameter after 11 day culture. DUD-1 cells grown as MCS showed significant increase in G_(0)/G₁ phase compared to the monolayer cells (73.9% vs 45.7%). but necrotic regions or apoptotic cells were not observed. The cells cultured as MCS showed resistance to 5-FU (10.3 fold higher IC_(50)) compared to monolayers. however, tirapazamine (a hypotoxin) showed similar activity in both culture systems. In summary, MCS may be a valid in vitro model for activity screening of anticancer agents against human solid tumors and also exploitable for studying molecular markers of drug resistance in human solid tumors.
알츠하이머 치매 노인의 인지기능과 일상생활동작과의 상관성에 관한 연구
이효정 忠州大學校 2007 한국교통대학교 논문집 Vol.42 No.-
In the elderly population, there is a strong relationship between cognition and the level of physical activity. The purpose of this study was to evaluate cognitive function and activity level of daily living and to investigate correlation between Mini-Mental State Examination(MMSE), and Functional Independent Measure(FIM) in elderly with Alzheimer's dementia. Of the 15 subjects enrolled in this study, sixties and seventies were each 26.7%, and eighties was 46.7%. MMSE mean scores was 15.40±4.69, and FIM mean scores was 87.53±7.79. The scores of 'registration memory' item of MMSE was highest level(100%) but, the scores of 'recall' item was lowest level(11.11%). In MMSE and FIM, there were no significant difference by age (P=0.185, P=0.329). MMSE-FIM scores was significantly correlated (r=o.856).
이효정 충주대학교 2006 한국교통대학교 논문집 Vol.41 No.-
Cerebrovascular disease is a major cause of cognitive and physical impairment in hemiplegic patient. hemiplegic patient survivors often face a long physical therapy process to regain a normal life. physical therapist must assess the probable outcome of their patients physical therapy program, and their ability to accurately estimate a patient level. A "pusher syndrome" encompassing postural imbalance and hemi-neglect is believed to aggravate the unaffected side of the body. Standard treatment for pusher syndrome in hemiplegic patient includes definition, character, typical sign and treatment.
정재홍,심창주,신영,권효진,이규희,오만진 한국식품영양학회 1999 韓國食品營養學會誌 Vol.12 No.5
인삼이 밀가루의 아밀로그래프에 의한 호화 성질과 파리노그래프에 의한 반죽 성질에 미치는 영향을 조사하였다. 인삼첨가 LL면의 조직감과 관능적 특성에 미치는 영향을 분석하기 위하여 밀가루에 대하여 인삼을 5.0∼10% 첨가하여 LL면을 제조한 뒤 면의 조직 특성 분석 및 조리시험을 하고 관능검사를 하였다. 인삼을 첨가하면 아밀로그래프의 호화개시 온도를 3.1℃ 지연시켰으며, 최고 점도를 40B.U 감소시켰다. 파리노그래프의 흡수율은 1.2% 증가하였으며, 반죽의 안정도는 인삼의 첨가로 2.0분 길게 측정되었다. Hunter L값은 인삼 첨가량이 증가할수록 낮아졌으며, Hunter a, b값은 반대로 측정되었다. 인삼첨가 LL면의 층밀림 압출력은 첨가량의 증가에 따라 높아져 10.0%의 첨가는 대조구 18.65(㎏f)보다 2.3(㎏f) 높은 23.95(㎏f)로 측정되었으며, 경도도 대조구보다 5.4(㎏f) 높게 측정되었다. 인삼첨가 LL면의 무게 증가는 인삼의 첨가량이 증가할 때 다소 높게 나타났으나. 부피 증가는 오히려 높게 나타나 조직이 다소 치밀한 것으로 나타났다 용출량은 인삼량의 증가에 따라 약간 감소하였다. 미생물은 인삼의 첨가량이 증가할수록 줄어들어서 장기 저장이 가능하였다. 관능 검사 결과는 인삼첨가 LL면이 4.2 및 4.0으로 비교적 좋은 점수를 얻었다. 이같이 LL면 제조시 인삼 첨가량은 7.0%의 수준이 효과가 컸다. The influence of ginseng on the paste or gelatinization properties by amylograph and mixing properties by farinograph of wheat flour, and on quality properties, color, cooking quality, textural and sensory properties, and reducing microbial population of LL (Long Life) noodles was studied. The contents of ginseng used were from 5% to 10% based on flour weight. The viscosity property of wheat flour with ginseng was increased the initial pasting temperature but the amylograph peak viscosity were decreased in vice versa. The farinograph absorption, stability and breakdown were increased by ginseng. The whiteness of LL noodles manufactured with ginseng was lower than that of control. The shear extrusion force and hardness of LL noodles manufactured with ginseng were shown much higher value than those of control. At cooking quality examination of LL noodles manufactured with ginseng, weight of cooked LL noodles was decreased but volume was appeared in vice versa. Extraction amounts of LL noodles manufactured with ginseng during cooking were much smaller than those of control. Total counts of microorganism of LL noodles manufactured with ginseng were decreased during storage at 30℃. Sensory properties of cooked LL noodles which was manufactured with ginseng showed quite acceptable. Based on the cooking and sensory evaluation test, addition of 7.0% ginseng to wheat flour may be suitable for processing LL noodles.
Cognitive training이 알츠하이머 치매의 인지, 실행에 미치는 영향
이효정 忠州大學校 2008 한국교통대학교 논문집 Vol.43 No.-
This study was performed for effects of intervention of attention training, general cognitive training which influenced on the change of cognitive and performance with patients caused by Alzheimer's dementia. The cognitive training program was provided to experimental groups for 4 weeks(5 times a week) and no intervention was provided to control group. Measurements of pre, 2wks, post(4wks) and follow up(2wks, 4wks and 8wks) experiment were K-MMSE and ACL. The results of this study showed that in comparison of pre, 2wks, post and follow up(2wks, 4wks and 8wks) changes, A group noticeable changes in cognitive. B group noticeable changes in cognitive and performance(ACL). These results mean cognitive training provides cognitive and performance with Alzheimer's dementia. Comprehensive research is required about a point of time and duration for intervention and severity degree in clinical approach for Alzheimer's dementia.
정재호,이상원,설정현,김효헌 大韓成形外科學會 1999 Archives of Plastic Surgery Vol.26 No.5
There are several methods for the reconstruction of partial urethral defect, including split-thickness skin graft, full-thickness skin graft, and preputial flap and free flap. Despite partial success using these methods, most results are unsatisfactory due to frequent complications such as postoperative infection, fistula formation, hair growth and stricture. There have been several pioneering experiments in this field using autogenous vein graft and the results have been controversial. However, the fact that the endothelial lining is replaced by natural urethral epithlium is generally accepted as a positive effect of this method. This experiment was designed to identify the possibility of using vein graft for the reconstruction of partial urethral defect. Two different types of vein graft method were performed in a total of 20 New Zealand White rabbits with partial urethral defect. Firth, for the patch-graft group, a 1×1 cm rectangular vein graft was sutured at a defective area of the same size. Second, for the tubed-graft group, a vein graft segment 1 cm long was replaced at a segmental urethral defect of the same length. Histologic study was performed at three and eight weeks postoperatively in each group. The process of transitional ell epithelial replacement within the grafted vein was uniformly observed in both experimental groups at three weeks postoperatively. At eight weeks postoperatively, the epithelial replacement was almost complete and histologically undistinguishable. In the retrograde urethrogram performed after 8 weeks, the urinary flow in the patch-graft group was normal and showed no stricture, and two of five rabbits in the tubed-graft group showed partial stricture at the graft site. In conclusion, natural urethral epithelium was restored in grafted venous segments irrespective of the type of graft. Partial stricture was observed in 40% of the tubed-graft group while complete reconstruction was possible in the patch-graft group.