International Journal of Advanced Culture Technology
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제10권1호
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pp.180-186
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2022
This study is a pilot study to confirm the effectiveness of training after applying emergency simulation training for inactive nurses and to present a new model of simulation training operation method. In this study, the control group is a group that directly participates in the simulation activity, and the experimental group is the group that observes the control group's simulation activity. Experimental group and control group were matched 1:1 to experience all the roles of the resuscitation team. The study participants were 5 inactive nurses in the experimental group and 5 inactive nurses in the control group, and the total training time was 5 hours. The emergency simulation operation composition consists of theory education, skill education, and simulation. The interview was conducted. The educational satisfaction of the participants was 4.65 points for theory education and 4.70 points for practical education based on 5 points. Participants' performance confidence improved from 3.60 points before operation to 7.20 points after operation. Emergency simulation operation consisted of pre-test, theory education, skill education, simulation implementation, debriefing, and post-test. Participants expressed that the choice of group greatly reduced the burden and anxiety about performing the role of the resuscitation team. However, difficulties and inexperience in the operation of the defibrillator were reported in the experimental group. The control group reported that the simulation activity of the experimental group was not significantly different from theirs. Through the results of this study, it was confirmed that emergency simulation education not only reduced the burden and anxiety of inactive nurses, but also had an effect of education. Based on the research results, it is proposed to expand the participants and verify the effectiveness of education through specific variables such as learning commitment, learner confidence, simulation satisfaction, and team effectiveness.
According to Piaget, children aged 11 are in the middle of concrete operation period and formal operation period. So, it is necessary to adopt the Learning Cycle Model (LCM) which helps students improve their cognitive development. After determining the test for the Science Concept of Matter (SCOM), the experimental group showed higher average than the comparative group in the post-test. In the sound understanding, the experimental group showed higher ratio than the comparative group. And in the ratio of imperfect, wrong understanding and no response, the experimental group was lower than the comparative group. On the questions that were needed the complicated inquiry, many students of both groups still couldn't find the fundamental cause. In forming the scientific conceptualization, there was a meaningful difference (p < .001) after post-test Analysis of Covariance (ANCOVA) with pre-test result. After determining the test for the Test Inquiry Science Process (TISP), the experimental group showed higher average than the comparative group in the post-test. In the category of basic inquiry process which is needed in concrete operation, there was a meaningful difference (p < .05). In the category of unified inquiry process which is needed in formal operation, they showed no meaningful difference (p > .05). Therefore, applying the LCM to the chapter of 'Solution and Dissolving' is more effective on improving the scientific conceptualization and on helping the concrete operation abilities than the teacher centered learning.
This was conducted to determine the effects of body weight, organ weight, hematological values and biochemical parameters by L-carnitine in the ovariectomized (OVX) rats. The animals were divided into 4 groups. Intact group (n=10) received no treatment and operation. Sham group (n=10) received only sham operation and no treatment. OVX group (n=10) received operation and no treatment. OVX+Carn group (n=10) received operation and L-carnitine. Body weight was significantly lower in OVX+Carn group than in all other groups. Also, organ weight such as heart, liver, spleen and kidney was measured. The heart and spleen weight were significantly lower in the OVX+Carn group than in the Intact and Sham group. The liver weight in the OVX+Carn group was significantly differences in comparison with those in the other groups. Also, there was significantly differences in the organ weight of kidney between in the OVX+Carn group and in the other groups. The hematological values of WBC, RBC, MCV, MCH and MCHC were no significant differences in any other groups. The total cholesterol, triglyceride and high density lipoprotein decreased significantly in the OVX+Carn group as compared to those in the OVX group. But, there were no significant differences in low density lipoprotein in any other groups. We conclude that L-carnitine enhanced the body weight in the ovariectomized rats. Our findings suggest that L-carnitine may influence the process of absorption of fat in the ovariectomized rats.
The purpose of this study was to examine the effects of the fibrin adhesive (Beriplast$^{(R)}$) on healing of full-thickness wounds in the rat's hard palate. Twenty Spraque-Dawley strain white male rats, each weighing 250~300 gm were used. Creation of full-thickness wounds of $4{\times}4mm$ in size were performed on the hard palate. Beriplast$^{(R)}$, a wound dressing material, was applied immediately in the experimental group, but not applied in the control group. All wounds were protected with palatal resin splints. The animals were sacrificed on the 2nd, 4th, 7th, 14th, and 28th day after the operation for macroscopic and microscopic examinations. Results obtained were as follows ; 1. On the 7th day after the operation, epithelial proliferation was greater in the experimental group than that in the control group. 2. The inflammatory reaction of the experimental group was less than the control group on the 2nd and 4th day after the operation. Beriplast was resorbed on the 7th day after the operation. 3. In the control group, the epithelial proliferation occurred from the 7th to the 14th day after the operation, and in the experimental group, epithelial proliferation occurred from the 4th day after the operation. 4. On the 14th and 28th day after the operation, there was no prominent difference between the two groups in histological findings. These results suggest that the use of fibrin adhesive (Beriplast$^{(R)}$) as a palatal wound dressing results in greater epithelial proliferation and less inflammation in the early stage of wound healing.
The purpose of this study was to evaluate the effect of informational intervention on postoperative pain following tonsillectomy in children. This study was performed on 30 children, aged 5-15 years, undergoing tonsillectomy and their parents by providing informational intervention with colored figure; operation procedure and information. Pain assessment was done by Pain Questionnaire. The results from this study were as follows : 1. Children in experimental group with mean 16.07 had lower pain scores than control group with mean 14.87 at 4th hours after operation(p<0.05). It showed 'significant difference' and first hypothesis was adopted. 2. Children in experimental group with mean 20.60 had lower pain scores than control group with mean 17.27 at 8th hours after operation(p<0.05). It showed 'significant difference' and second hypothesis was adopted. 3. Children in experimental group with mean 28.80 had lower pain scores than control group with mean 25.70 at 24th hours after operation(p<0.05). It showed 'significant difference' and third hypothesis was adopted. 4. When we analyzed the time difference and difference between two groups simultaneously by repeated measure ANOVA, the significant difference was not found. And so 'the experiential group with operation-related information will show the lower pain sense than the control group just as the time flows after operation', fourth hypothesis was rejected. Generally, it was found that providing information about operation to children and their parents reduced effectively postoperative pain in children, but in clinical settings there are minimum preoperative information-providing because of insufficient time and inconvenience although nursing staffs and patients know its needs. Conclusionally providing preoperative information should help children and their parents cope with Pre, Peri and Post operative events effectively.
Purpose: The purpose of this study was to compare the method of using coraco-clavicular (C-C) sling with modified Phemister operation by postoperative clinical results, radiologic analysis and complications. Materials and Methods: 33 patients of acromioclavicular joint dislocation were included in this study. Thirteen patients were treated with simple C-C sling method and twenty patients were treated with modified Phemister operation. The assesment of clinical and radiological evaluation were performed and the final results were examined by using the Weitzman's classification. Results: In the final result of C-C sling method group, forward elevation $161^{\circ}$, external rotation $70^{\circ}$, internal rotation T8 level, Visual Analogue Scale (VAS) 83.3 points were checked. In modified Phemister operation group, forward elevation $155^{\circ}$, external rotation $67^{\circ}$, internal rotation T6 level, VAS 83.8 points were checked. In coracoclavicular distance of C-C sling method group, pre-operation 12.82 mm and last follow up 8.37 mm were checked. In modified Phemister operation group, pre-operation 12.8 mm and last follow up 7.7 mm were checked. In functional evaluation by the Weitzman criteria, C-C sling group had excellent 8, good 1, fair 1 and modified Phemister group had excellent 13, good 4, fair 3. Conclusion: C-C sling method would be the better than the Modified Phemister operation because of short operation time and smaller skin incision.
The purposes of this study were to test the effect of balance training and environmental enrichment on motor performance after traumatic cerebellar injury in the rat. Traumatic cerebellar injury was induced by weight drop model and after operation they were housed in individual standard cages for 24 hours. Twenty two Sprague-Dawley rats were randomly assigned into control and experimental groups. The control group was housed in standard cage for 7 days. The experimental group I was housed in standard cage after balance training for 7 days. The experimental group II was housed in environmental enrichment cage after balance training for 7 days. Vestibular drop test and tilting plane test was examined at preoperation, on 1st day after operation and 7th day after operation to the rats. The results of this experiment were as follows: 1. In motor behavioral test, at preoperation and on 1 day after operation, the outcomes were not different among the groups. But on 7th day after operation, the outcomes of group I were better than that in control group, and group II were better than group I. These results suggest that behavioral motor outcome by simultaneously application of balance training and environmental enrichment in traumatic cerebellar injured rats were more improve than that by just balance training.
Purpose: Most of the patients who underwent surgery feels variable kinds of fear or anxiety; an uncomfortable mood state that happens without specific object affects patient's satisfaction before and after the surgery. As music therapy is rather noninvasive method generally used in reducing patient's anxiety, the authors researched about the extent of anxiety with the change of vital sign before the operation while comparing with the cases of patients who took the music therapy at closed reduction under general anesthesia. Method: We divided the patients in 4 groups; A with the premedication (Midazolam, Dormicum$^{(R)}$) before the operation, B with the premedication and music therapy, C with only music therapy, D with no premedication or therapy. And we measured the vital signs after the arrival at the operation room, after induction and 20 minutes after the operation. Also we observed the changes of anxiety index with the STAI (State Trait Anxiety Inventory)-K (Korea)YZ 1 hour before and 8 hours after the surgery. Result: The group B showed the least changes in blood pressure as the group D showed the highest change. Both group C and A showed increase in blood pressure but the upswing in group A was lower than group C. At the change of pulse rate group B showed the lowest upswing also group D showing the highest. Group B showed quite a few upswing but lower than group D, but, at the same time, group A showed lower upswing when comparing two cases. After analysis of STAI-KYZ score, the anxiety relatively decreased in group B and C in comparison with group D. And the index of anxiety state of group A showed just as much to group D. Conclusion: The music therapy is better healthcare method compared to other therapies in reducing anxiety also with satisfying effect who underwent operation. The authors recommend music therapy assisted with use of premedication for better relief of anxiety.
This paper presents another maintenance policy for a group of units under finite operating horizon. A group of identical units are subject to random failures. Group maintenances are performed to all units together at specified intervals, and the failed units during operation are remained idle until the next group maintenance set-up. Unlike the traditional assumption of infinite operating horizon, we adopt the assumption of the finite operating horizon which reflect the rapid industrial advance and short life cycle of modern times. The units are under operation until the end of the operating horizon. Further, the operation of units are extended to the first group maintenance time after the end of the horizon. The total cost under the proposed maintenance policy is derived. The optimal group maintenance interval and the expected number of group maintenances during the horizon are found. It is shown that the proposed policy is better than the classical group maintenance policy in terms of total cost over the operating horizon. Numerical examples are presented for illustrations.
Cleft palate patients have general speech problems with resonance disorders and articulation disorders. The aim of this study is to find the aerodynamic and acoustic characteristics of the nasalization in cleft palate speakers. Thirteen control groups and three cleft palate patients pre- and post operation were selected for these studies. The test words are composed by polysyllabic words: consonants between high vowel /i/ analysis. The cleft palate patients repeated test words pre- and post-operation from one, three and six month periods. The subjects repeated test words on Macquirer and on Nasometer Model 6200-3. The aerodynamic and acoustic results of nasalization show as follows: (1) The nasal rate in overall airflow of aspirated consonant for cleft palate patients shows higher levels than that of the control group. It had decreased since one month after operation. (2) The overall airflow of cleft palate patients is higher than in the control group, however oral air pressure is lower than control group. (3) The nasal airflow and the nasal rate in overall airflow of cleft palate patients has higher than the control group, however its decreased after operation. (4) The nasalance scores of cleft palate patients were 40% higher than that of the control group. The scores did not decrease after operation. The nasalance score of lateral and fricative sounds did not decrease after operation.
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