Sun, Jong Hyo;Kim, Jae Kwang;Lim, Yong Su;Kim, Jin Joo;Jo, Jin Sung;Hyun, Sung Youl;Jeong, Ho Sung;Yang, Hyuk Jun;Lee, Gun;Kim, Jeong Ho
Journal of Trauma and Injury
/
v.22
no.2
/
pp.248-253
/
2009
Purpose: Hemodynamically unstable pelvic fractures represent therapeutic challenges for the trauma team. The authors of this article have studied the clinical profiles of the angiographic intervention population at the emergency department during four years (2005~2009) to develop clinical guidelines for preventing deaths due to multiple trauma and for predicting the prognosis during initial evaluation. Methods: We performed a retrospective review of 34 patients who had undergone angiographic interventions at the emergency department and compared the differences in clinical variables between survivors and non-survivors. Results: Representative values were compared between survivors and non-survivors : RTS (revised trauma score) 7.006 (6.376~7.841) vs. 6.128 (4.298~6.494), PRC (packed red cell) units 5.5 (2.0~11.0) vs. 15 (8.0~18.5), and lactate (mmol/L) 3.0 (1.0~7.0) vs. 8.5 (3.5~10.5). RTS (p<0.01) and PRC units before angiographic interventions (p=0.01) and lactate (p=0.02) had correlations to the final outcomes. Conclusion: The availability of an angiographic suite and persistent hypotension after adequate fluid resuscitation for pelvic trauma are good indications of angiographic intervention for pelvic hemorrhage.
Background: The aim of this study was to present three-dimensional (3D) structural characteristics of the mandible in the hemifacial microsomia. The mandible has six distinct functional units, and its architecture is the sum of balanced growth of each functional unit and surrounding matrix. Methods: In order to characterize the mandibular 3D architecture of hemifacial microsomia, we analyzed the mandibular functional units of four hemifacial microsomia patients using the 3D reconstructed computed tomography (CT) images. And we compared the functional unit size between affected and non-affected side. Results: The length of condyle and angle showed significant differences between affected and non-affected sides. However, the length of mandibular body showed insignificant differences. The size differences between affected and non-affected side were observed at the condyle, angle, and body in descending order. Conclusions: This preliminary study suggests that the main etiopathogenic units are condyle and angle in the hemifacial microsomia mandible. Further investigation with the increased number of subjects will be helpful to establish treatment modality by etiopathogenic targeting of hemifacial microsomia.
Moon, Young Lae;Jung, Sung;Park, Sang Ha;Choi, Gwi Youn
Clinics in Shoulder and Elbow
/
v.18
no.2
/
pp.86-90
/
2015
Background: Although there are several methods for evaluating bone quality, Hounsfield units (HU), a standardized computed tomography (CT) attenuation coefficient, provide a useful tool for estimating focal bone mineral density (BMD). The aim of this study is to investigate the HU for evaluating the degree of osteoporosis in greater tuberosity with regard to anchor positioning. Methods: Forty patients diagnosed as normal on shoulder CT were included and categorized according to age and gender. Axially sectioned CT images were processed to 3-dimensional models containing information about bone quality using Mimics (14.11 platform v14.1.1.1 Materialise). Three-dimensional anchors were simulated and positioned according to 6 regions of interest (ROI) in the greater tuberosity classified using Tingart's system. Mean HU of intra-anchor volumes in the 6 regions was measured. Results: A significant decrease in HU was observed with increasing age (p=0.0001) and menopause (p<0.001). A significant difference in HU was found between male and female groups with males showing the higher values (p=0.0001). HU of proximal areas of ROI was higher than those of distal areas (p<0.005). However, although mean HU of distal posterior ROI showed the lowest values, no statistically significant difference was found between anterior, middle, and posterior regions (p=0.087). Conclusions: Mean HU of ROIs provides a tool for preoperative assessment of focal BMD, which is a factor of suture anchor stability and can be used to aid decision-making regarding secure anchor positioning for rotator cuff repair. Our data support that the most secure point is the proximal regions of ROI.
Purpose. Based on the comparison and analysis with those of United States, the aim of this research is to find the problems in current management, operation and future directions of emergency medical service (EMS) fund in S. Korea and to provide basic resources and appropriate measures to make a right decision in policies for EMS fund. Methods. Data from Ministry of Health and Welfare and other various sources during 1995 to 2012 were collected and analyzed. Results. From our analyses, several problems are identified in EMS fund operation. In brief, problems discerned are as follows. First, whereas the purpose and direction of EMS fund operations in United States are highlighted and focused on pre-hospital EMS system and associated infrastructures which need to be constructed, those of S. Korea are emphasized mainly on the in-hospital EMS system so far. Second, on the contrary to the fact that the EMS funds in United States are tuned to pre-hospital EMS system to provide prompt and efficient emergency care at the emergency scene of pre-hospital stage and to achieve the development, design, planning and demonstration projects for pre-hospital EMS systems, up to date, our investment of EMS funds demonstrated an excess biased inclination toward the construction of in-hospital EMS system, which is far from the realization of constructive and vital pre-hospital infrastructures. Third, while emergency medical technician is important and principal body in the management of emergency medical funds in United States, so far, no EMS funds in S. Korea existed for EMTs including the job condition, improved treatment and working environment for them. Conclusion. In conclusion, we strongly suggest that the problems pointed out must be revised and corrected. Current usage of EMS fund needs to be redirected predominatly to pre-hospital EMS system. Otherwise, unless current management and investment of emergency medical funds in S. Korea are applied and used for the vital necessities and demands of EMTs, public EMS units and private EMS units as well as related units in pre-hospital EMS system as in the cases of United States, in our consideration, they must be suspended or abolished.
The purpose of this study was to evaluate the knowledge level of pressure ulcer among hospital nurses through a cross-sectional survey by using the pressure ulcer knowledge assessment tool of Beitz et al.(1998). The total of subjects was 160 voluntary participants (60 were from Hospital A and 100 were from Hospital B) working at adult patients' units in two university hospitals located in the same city. None of the hospitals had expert nurses of pressure ulcer nor provided a regular pressure ulcer education program during the past one year. The survey tool consisted of 32 true-false items which were grouped into the risk factors knowledge category(13 items), the wound assessment knowledge category(4 items), and the treatment methods knowledge category(15 items). An internal consistency reliability test of the tool yielded an overall coefficient of 0.72; the coefficient for the risk factors knowledge category was 0.40, that for the wound assessment knowledge category was 0.33; that for the treatment knowledge category was 0.54. The main findings of the study are as follows. 1) Demographic characteristics of the two hospital nurses were similar except for the educational level(p=0.029) and the work units(p=0.001). These observations were maintained even if Hospital A and B were separately compared. 2) The knowledge level of the subjects about pressure ulcer in general was low as indicated by 53.3 points(of 100 possible points) on average. The knowledge level about treatment methods of pressure ulcer was the lowest as indicated by 47.0 points on average. 3) No correlation between the knowledge level of the pressure ulcer and the demographic characteristics of nurses was found except that the knowledge level of I.C.U. nurses was significantly higher(p=0.0003) than that of nurses in other units(p=0.2926) in the case of Hospital A. 4) The knowledge level of nurses in Hospital B was higher than for nurses in Hospital A. The reason was not identified, but it seems that it is related to the role of the I.C.U. or some other factors. The study results confirmed the existing literature that knowledge level of nurses about pressure ulcer is low regardless of age, educational level, or work experience. However, the working place(unit) affected the knowledge level. Further research on the exact reason for the differences in the knowledge level is needed in the future.
Purpose: This study was to evaluate the validity of the Pediatric Index of Mortality Ⅱ(PIM Ⅱ). Method: The first values on PIM Ⅱ variables following ICU admission were collected from the patient's charts of 548 admissions retrospectively in three ICUs(medical, surgical, and neurosurgical) at P University Hospital and a cardiac ICU at D University Hospital in Busan from January 1, 2002 to December 31, 2003. Data was analyzed with the SPSSWIN 10.0 program for the descriptive statistics, correlation coefficient, standardized mortality ratio(SMR), validity index(sensitivity, specificity, positive predictive value, negative predictive value), and AUC of ROC curve. Result: The mortality rate was 10.9% (60 cases) and the predicted death rate was 9.5%. The correlation coefficient(r) between observed and expected death rates was .929(p<.01) and SMR was 1.15. Se, Sp, pPv, nPv, and the correct classification rate were .80, .96, .70, .98, and 94.0% respectively. In addition, areas under the curve (AUC) of the receiver operating characteristic(ROC) was 0.954 (95% CI=0.919~0.989). According to demographic characteristics, mortality was underestimated in the medical group and overestimated in the surgical group. In addition, the AUCs of ROC curve were generally high in all subgroups. Conclusion: The PIM Ⅱ showed a good, so it can be utilized for the subject hospital. better.
Kim, Tae-Hee;Kil, Yun-Keung;Chu, Sang-Hui;Jang, Seon-Young;Jung, Mi-Yeun;Seo, Mi-Ae;Lee, Young-Jin;Kim, Su-Jeong;Jung, Hye-Jeong
Journal of Korean Biological Nursing Science
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v.9
no.2
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pp.125-134
/
2007
Purpose: To examine knowledge and attitudes of nurses on post-operative pain, and to find the factors that hinder pain management by the nurses. Method: Data was collected using a questionnaire from all the nurses working in the surgical units and intensive care units in a hospital in Seoul between March 12 and 22, 2007. Data was analyzed with descriptive statistics, t-test, $x^2$ test, and Pearson Coefficient Correlation. Result: The average knowledge score on pain was $9.33{\pm}1.55$, and that for analgesics was $6.89{\pm}2.00$. There was a significant difference in knowledge of analgesics in terms of career(p=0.012), present work place(p=0.024) and education(p=0.042). The knowledge on pain etiology was significantly different in career. Around 61.1% of respondents answered that they would administer analgesics immediately if patients complaint pain, and 94.1% re-administer analgesics if the VAS score is over 5.69.3% thought that their knowledge was adequate for pain management. The attitudes of pain management were significantly different in career. Conclusion: We found that a further improvement on nurses' knowledge on pain management and analgesics is necessary. This study also suggests a need for professional education for nurses on post-operative pain management.
Purpose: This study was aimed at (a) describing professional nursing practice environments embedded in nursing care units and (b) examining its relationships to nurses' task motivation. Method: Using the Nursing Work Index Revised (NWI-R) and the Work Preference Inventory (WPI), a descriptive study was conducted with a sample of 320 registered nurses on 26 nursing care units in one University hospital in Korea. Result: Mean scores were 12.9 on a 5-20 score range of an autonomous environment scale, 7.3 on a 3-12 score range of a collaborative environment, and 15.8 on a 7-28 score range of control over nursing practice. Nurses' age, educational level, job position, working period at the hospital and employment status were significantly related to the degree of a professional practice environment. The extent to which a professional practice environment accounted for task motivation was $19.5\%$. Conclusion: There is a certain degree of professionalism in the workplace environment that nurses perceived within the nursing care units. When nurses care for patients, the degree of task motivation depends on the work environment supporting the professional nursing practice.
Purpose: This study aimed to describe how nurses in neurological intensive care units (ICU) perceive their roles about patient transfer and liaison. Methods: A cross-sectional survey was conducted using a questionnaire developed for the study. Data were collected from a convenience sample of 115 nurses working in the neurological intensive care units ofsix university hospitals. Data were analyzed using SPSS software (version 15.0). Results: Staff nurses were mainly in charge of patient transfer, and the awareness about its importance was significantly related with the burden about the practice of patient transfer (p<.001). Patient liaison was mainly conducted by staff nurses as well. Liaison practice wassuggested to be started from the ICU at the time of transfer; the suggested time for completion of liaison service and evaluation was when patients were adjusted to the transferred ward. Preparing job descriptions and increasing nursing staffing for patient liasion service were strongly recommended. Conclusion: The results suggest that the ICU nurses' burden in relation to patient transfer is commensurate with their awareness about itsimportance. To improve the continuity of care from ICU to transferred ward, it isrequired to reduce the burden about patient transfer and improve perceptions about patient liaison.
Purpose: This study investigated some extent of nurses' knowledge level of sepsis in the intensive care units (ICUs). Methods: A total of 178 nurses from 5 ICUs at one hospital were asked to complete a structured questionnaire from September 10, 2012 to September 17, 2012. The questionnaire was composed of 30 items invented by Robson and colleagues and based on the guidelines published by Dellinger and colleagues. Independent t-test and ANOVA with post-hoc test were used for statistical analyses. Results: The mean score about sepsis of ICU nurses was $25.1{\pm}3.3$, and the average percentage who got correct answers was 83.8%. Of the participants, 25.3% thought they knew about understood sepsis well, and 89.1% wanted to have a sepsis screening tool. Conclusion: The ICU nurses' knowledge level on sepsis was low. Continuing education for ICU nurses is, therefore, required. For this, the development of educational programs and screening tools about sepsis should be preceded.
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