Proceedings of the Korean Society of Propulsion Engineers Conference
/
2012.05a
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pp.350-355
/
2012
Past few years have seen the growing importance of micro shock tubes in various engineering applications. A pharma ballistic technique is one such application which uses micro shock tube to accelerate drug particles and penetrate into skin, thus avoiding the usual injection drug delivery system. But for the efficient design of such instruments requires the detailed knowledge of shock characteristics and flow field inside a micro shock tube. Due to many factors such as boundary layer, low Reynolds number and high Knudsen number shock propagation inside micro shock tubes will be quite different from that of the well established macro shock tubes. In the present study, experimental studies were carried out on a micro shock tube of 3 mm diameter to investigate flow characteristics and shock propagation. Pressure values were measured at different locations inside the driven section. From the experimental values other parameters like shock velocity, shock strength were found and shock wave diagram was constructed.
Kim, Gab-Dong;Choe, Hyun-Kyu;Yun, Young-Moo;Choe, Huhn
The Korean Journal of Pain
/
v.2
no.2
/
pp.203-207
/
1989
Anesthesiologists are usually responsible for the major works in pain clinics and are often called for many sophisticated nerve blocks in the management of acute or chronic intractable pain. It is, therefore, not uncommon for the anesthesiologists to meet some unexpected and unusual complications during his or her performance. We experienced a case of a pneumothorax following a thoracic intrathecal alcohol block. There was an unusual and yet unexplainable cephalad spread of alcohol following an injection through the 4th sacral foramen, and a shearing off of the catheter by a Tuohy epidural needle following the epidural catheterization. All these three cases are herein presented.
Lee Ju Yeun;Jeong Young Mi;Lee Myung Koo;Kim Ki-bong;Ahn Hyuk;Lee Byung Koo
Journal of Chest Surgery
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v.38
no.11
s.256
/
pp.761-772
/
2005
Background: Following the implantation of heart valve prostheses, it is important to maintain therapeutic INR to reduce the risk of thromboembolism. The objective of this study was to suggest a practical dosing guideline for Korean outpatients with prosthetic heart valves managed by a pharmacist-run anticoagulation service (ACS). Material and Method: A retrospective chart review was completed for all patients enrolled in the ACS at Seoul National University Hospital from March, 1997 to September, 2000. Patients who were at least 6 months post-valve replacement and had nontherapeutic INR value (less than 2.0 or greater than 3.0) were included. The data on 688 patients (1,782 visits) requiring dosing adjustment without any known drug or food interaction with warfarin were analyzed. The amount of adjusted dose and INR changes based on the INR at the time of the event were calculated. Aortic valve replacements (AVR) patients and mitral or double valve replacement (MVR/DVR) patients were evaluated separately. Result: Two methods for the warfarin dosage adjustment were suggested: Guideline I (mg-based total weekly dose (TWD) adjustment), Guideline II (percentage-based TWD adjustment). The effectiveness of Guideline 1 was superior to Guideline II overall in patients with both AVR and MVR/DVR. Conclusion: The guideline suggested in this study could be useful when the dosage adjustment of wafarin is necessary in outpatients with mechanical heart valves.
Kim, Jung Yoon;Lee, Yun Jin;Ko, Young Ok;Cho, Hyun Jin;Kim, Hee Jung;Ju, Myoung Jean;Kim, Mi Jin
Journal of Korean Clinical Nursing Research
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v.28
no.1
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pp.13-22
/
2022
Purpose: Extravasation of diagnostic and therapeutic materials might occur when the intravascular solution leaks into the surrounding tissues. Injury associated with extravasation depends on various factors. It may range from mild skin reaction to severe necrosis. However, the incidence rate for extravasation is largely unknown because of the limited reporting in Korea. Therefore, this study was conducted to identify the incidence of extravasation and nurses' attitude and knowledge of extravasation for providing high-quality nursing care. Methods: Three acute care hospitals were surveyed to estimate the occurrence of extravasation. Knowledge and attitude toward extravasation were investigated from 793 nurses working in six hospitals. Results: The incidence rate of extravasation was 0.5%. Extravasation commonly occurred in elderly patients aged 66 or older (59.9%) and internal medicine (48.2%), and it happened 13.73±20.68 days after hospitalization on average. It mostly occurred in the forearm site (52.9%) and was mainly caused by parenteral nutrition (33.6%). The mean scores of nurses' knowledge and attitude were 14.63±2.86 and 28.91±36.00, respectively. There was a significant negative correlation between the subjects' knowledge and attitude (r=-.11, p=.002). Conclusion: It is necessary to have a reporting system that can accurately monitor the occurrence of extravasation for patient safety management. In addition, it is necessary to develop a protocol that can be applied to clinical practice and a nurse education program.
The purpose of this study was to evaluate the attitude and knowledge of community pharmacists to spontaneous adverse drug reaction (ADR) reporting. A survey was conducted in 103 community pharmacists in Seoul and Kyung-Gi Province from September to October, 2009. Almost half (53, 51.5%) and three-fourths (79, 76.7%) of respondents knew they could participate in ADR reporting in the Regional Pharmacovigilance Center (RPC) or Korean Food and Drug Administration (KFDA). However, only three of them have reported an ADR to the RPC and none of them have reported to KFDA. A majority of the respondents (96, 93.2%) felt that ADR reporting was a professional obligation for pharmacists. The purpose of an ADR reporting was incorrectly identified by most pharmacists. ADR reporting was encouraged if the reaction was serious and a new product. The most frequently mentioned barriers to reporting were: uncertainty concerning the causal relationship (86.3%) and not knowing how to report an ADR (83.2%). Only 19 (18.4%) respondents had received education on how to report ADR. Education was the most recognized method of improving ADR reporting. This study showed the knowledge of ADR reporting among community pharmacists is inadequate. Education and training should be reinforced in order to improve ADR reporting by community pharmacists.
Recently many researches support the use of traditional psychiatric treatments in the management of chronic pain. Chronic pain is a significant public health problem and frustrating to everyone affected by it. Psychiatrists offer skills with treatments now recognized as effective in the management of chronic pain. In addition to the diagnosis and treatment of psychiatric co-morbidity, the application of psychological treatments to chronic pain, and the development of interdisciplinary efforts to provide comprehensive health care to the patient disabled with chronic pain, psychiatrists have particular skill in pharmacological treatment that have proven efficacy for a variety of chronic pain conditions. With their expertise in the use of psychoactive medication plus their interest in the personal and family dynamics of patients, psychiatrists have the capacity to be involved in the treatment of patients with chronic pain. So, the author reported three cases of patient with pain disorder associated with psychological factors, and reviewed to propose that psychiatrists in Korea should take an active role in the care of these patients.
Lee, Jung Woo;Seo, Jun Seok;Kim, Do Kyun;Lee, Ji Sook;Kim, Seonguk;Ryu, Jeong-Min;Kwak, Young Ho
Clinical and Experimental Pediatrics
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v.51
no.10
/
pp.1058-1064
/
2008
Purpose : This study aimed to assess current knowledge of and training experiences with the intraosseous (IO) line among emergency medicine (EM) and pediatric residents who care for critically ill children and to evaluate the educational effectiveness of the IO line workshop. Methods : During May and June 2008, a workshops on IO line insertion was held for EM and pediatric residents. The workshop comprised a 45-min lecture and a 15-min hands-on session. A semi-drill type EZ-IO machine was used for education. Self-assessment questionnaires gauged residents knowledge of and experiences with IO line insertion or bone marrow (BM) examination and their confidence with IO line insertion before and after the workshop. Performance tests were completed for skill evaluation. Results : Forty-five pediatric residents and 22 EM residents participated in the workshop. The pre-educational questionnaire revealed that EM residents had more educational experience in IO line insertion than pediatric residents (P<0.001), while pediatric residents reported more experience in BM examination (P<0.001). The post-educational questionnaire showed a statistically significant higher percentage of correct answers (P<0.001). Although the pediatric residents inserted an IO line more quickly (P=0.001), most residents (88.7%) succeeded in IO line insertion on their first attempt; there was no difference in the groups success rates. Both groups showed higher confidence in performing IO line insertion after training (P<0.001). Conclusion : Observed educational effectiveness in both knowledge and confidence of IO line insertion skill suggest educational opportunities for pediatric and EM residents should be increased.
Objectives: This study was aimed to develop a pharmacovigilance practice training course for future doctors of Korean medicine, the graduate students of a college of Korean medicine, and to verify the educational effect of the curriculum. Methods: Fifty-six students were given a training course designed as follows: 1) pre-class homework (basic theory self-study, online course, causality assessment, and adverse event reporting simulation); 2) in-class: homework submission and case discussion; 3) after-class: homework revision and resubmission. An online survey to assess the change of the level of basic knowledge and attitudes toward pharmacovigilance, the willingness to report adverse events, and self-efficacy for the causality assessment and adverse event reporting was conducted before and after education. Results: The survey participation rate was 96.5% in pre-education and 64.3% in the post-education survey. After education, knowledge level was improved (mean score from 4.3±2.11 to 6.7±1.96 points, modal value from 3 to 8 points) and positive changes were observed in almost all questions on attitudes. In the post-education survey, more students felt that they could do causality assessment (from 13% to 80.5%), could report adverse events to the agency in charge (from 7.4% to 96.2%), and expressed their strong willingness to report adverse events in the future (from 77.8% to 88.9%) than in the pre-education survey. Conclusions: More schools of Korean medicine need to adopt pharmacovigilance training courses in their curriculum to foster future doctors of Korean medicine with pharmacovigilance capabilities. Such efforts will be the basis for achieving an evidence-based, safe use of herbal medicine.
Objectives : In recent years, the Chinese Government has been providing full support aimed at promoting the excellence of Chinese culture, including Traditional Chinese Medicine (TCM), to the world after recognizing Chinese culture and medicine as elements that can generate national wealth. Methods : In investigating China's awareness of the issues surrounding the intellectual property rights of TCM, as well as its implementation of protective measures, this study analyzed the law and platform policies of the Chinese Government, as well as the designation status of China's intangible cultural heritages and the recent research trend in the TCM field. Results : First, China is taking various protective measures based on laws and institutional devices, including the Patent Act. Second, China is protecting the intellectual property rights of traditional Chinese medicines by registering them as Chinese intangible cultural heritages or UNESCO world heritages. Third, China is seeking to promote TCM throughout the wider world through various research and academic conferences, and by strengthening ties between nations. Conclusions : With the adoption of the international regimes of the WIPO and CBD, and particularly the Nagoya Protocol in 2010, China is seeking to implement measures aimed at maximizing the national interest based on the intellectual property rights of TCM. China began to implement a system of protection of medicinal resources and the related traditional knowledge after recognizing the potential crisis that could occur if Chinese medicine-related patents were taken over by foreign countries. As such, the system now takes various forms.
Background and Objectives: The prevalence of dementia is steadily increasing each year, and preceding studies continue to explore the association between dementia and oral health. Dental hygienists require specialized competencies to provide appropriate dental healthcare services, necessitating the development of a tool for the objective measurement of their knowledge levels. This study aimed to develop a knowledge assessment tool for dental hygienists concerning considerations for dental care for patients with dementia. Methods: The study constructed preliminary items based on a literature review and then conducted expert validation, a pilot survey, and the main survey. The main survey was conducted among 220 dental hygienists. Validity and reliability analyses were conducted with the collected data to select the final items, and the correctness rates for each selected item were verified. Results: As a result of the analysis of the collected data, 18 items were eliminated out of a total of 40 preliminary items, leaving a total of 6 factors and 22 items. The Cronbach's α value for the selected items was 0.791. The six factors are as follows: 'Considerations during dental treatment for dementia patients' (5 items), 'medication side effects in dementia patients' (4 items), 'oral care methods for dementia patients' (4 items), 'communication with dementia patients' (4 items), 'psychological reactions of dementia patients' (3 items), and 'guidance for dementia patients' (2 items). The item with the highest correctness rate was item 2 of the 'guidance for dementia patients' category at 98.6%, while the item with the lowest correctness rate was item 2 of the 'psychological reactions of dementia patients' category at 5.9%. Conclusion: This study validated the reliability and validity of the knowledge assessment tool, which lays the foundation for future research on dental hygienists and dementia. It contributes essential data for ongoing education, development of educational programs, and establishing operational guidelines in healthcare institutions.
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