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Siriraj Stroke Score 따른 뇌졸중 환자 감별의 적합성
유병대,이명갑,서영조,조준,박찬상,이동필 대한응급의학회 2000 대한응급의학회지 Vol.11 No.4
Background: The differentiation between hemorrhagic(HS) and norhemorrhagic(NHS) stroke is the most important first step in the management of acute stroke because clinical management of the two disorders differs substantially. Neuroimaging studies are useful in diagnosing and distinctioning between HS and NHS. The use of clinical variables, such as Siriraj stroke scores(SSS), has led to good sensitivity, specificity and predictive values. The aim of our study was to evaluate the use of the SSS in the Korean population and assess whether it could aid to expedite treatment decisions. Methods: We reviewed 111 cases of stroke patients admitted to our hospital via the emergency department over a 6 months period from July to December 1998. Levels of consciousness, vomiting, headache, and atheroma markers used in the SSS were applied to these patients who met the criteria for a stroke. Results: Of the 111 patients, the SSS classified 83 with sensitivities of 81.1%(NHS) and 73.3%(HS) and positive predictive values of 84.3% and 68.8%, respectively. The overall accuracy rate was 78.3%. Conclusion: Our results suggest that the SSS is not reliable in distinguishing stroke types in the Korean population. Definite neuroimaging studies are needed prior to thrombolytic therapy.
유병대,김성진,이명갑,서영조,강재구,이동필 대한응급의학회 2000 대한응급의학회지 Vol.11 No.4
Background: Good documentation of electrical injuries at the time of presentation is very important to emergency management, so this study was designed to investigate the clinical characteristics and the outcomes of patients with electrical injury. Methods: A review of 75 cases of electrical injuries admitted to our hospital via the emergency department over a 4 year period from 1996 to 1999 was conducted. Results: There were 49 patients with high-voltage injuries and 19 patients with low-voltage injuries. All but 4 patients were males, with a mean age of 29.5 years. The most common type of injury was electrothermal burn. The most common point of entry was hand. The average size of burn wounds was 14.5% TBSA in the high-voltage group and 2.5% in the low-voltage group. Forty-nine(72.1%) of the injuries were work related. The number of patients with compartment syndrome was 19, and fasciotomies were performed in all but one patient. Myoglobinuria was noted in 22 patients, but no patient developed acute renal failure due to myoglobinuria. In the high-voltage group, 10 limb amputations were performed. Complication were observed in 12 patients. The most common complication was neurological injury. The average length of hospital stay was 50.7 days in the high-voltage group and 13.8 days in the low-voltage group. The overall mortality rate was 4.3%. Couclusion: Prevention of electrical injuries is very important. Education and compliance with safety measures, as well as basic knowledge and precaution in dealing with electricity, are essential to avoid these injuries.
박찬상,조준,유병대,서영조,이명갑,이동필 대한응급의학회 1999 대한응급의학회지 Vol.10 No.4
Background : Incidence of traumatic hip dislocation have been increased with development of transportation. Traumatic hip dislocation demands early recognition as an emergency and prompt reduction. So we designed this study to determine what kinds of factors affect the prognosis of the patient. Methods ; Eighty five patients who admitted emergency department of our hospital with the traumatic hip dislocation were enrolled in this study. Cause of injury, type of dislocation, method of reduction, the time from dislocation to reduction, age, gender and associated patellar injury were evaluated by retrospective chart reviews. Results : Average age of excellent good group(E&G) is 28±17.8 and fair and poor group(F&P) is 39±18.6, so the older the age the more poor prognosis.(P<0.05). The time to take reduction of E&G group is 18±8.2 hours and F&P group is 25±12.6 hours, so the faster the better prognosis.(P<0.05) We classify the type of hip dislocation by Thompson and Epstein method, type Ⅰ to type Ⅴ. The prognosis of type Ⅰ is better than type Ⅴ(P<0.05). Fifty five case were associated with patellar injury and they had poor prognosis than the other cases that were not associated with knee joint injury. Conclusion : In traumatic dislocated hip patients, the prognosis was poor in old age, delay in reduction, higher type of dislocation and associated with knee joint injury.
Rhese법 촬영에서 시신경구멍의 이중 각도에 대한 연구
박상조(Sang-Jo Park):유지나(Ji-Na Yoo),유명석(Myung-Seok Yoo),허영철(Yeong-Cheol Heo) 한국방사선학회 2017 한국방사선학회 논문지 Vol.11 No.5
본 연구의 목적은 한국인의 시신경구멍의 이중각도를 확인하여 Rhese법에 적용하는 것이다. 먼저 3차원 CT의 MPR 기법을 이용하여 축상면 영상에서 좌측 안구와 정중시상면 사이의 각도를 측정하였다. 두 번째는 MPR 영상의 시상면에서 좌측 안구의 시신경구멍과 OML 사이의 각도를 측정하였다. 시신경과 정중시 상면 사이의 각도는 평균 39.9±4.63° 였고, 이는 Rhese 방법으로 제시해 오던 53° 와 달랐음을 확인하였다(p <0.05). 시신경구멍과 OML 사이의 각도는 40.8±6.6° 였다. 결론적으로 본 연구는 현행 교과서에서 제안된 Rhese 방법의 표준이 한국인에게 적용하기 어려움을 의미한다. 따라서 다양한 일반촬영법에서 한국 표준의 각도의 연구가 필요하고 이에 본 연구가 기초 자료로 활용될 것이라 사료된다. The purpose of this study is to confirm the double of optic foramen in Korean and apply it to the Rhese method. First, the angle between the right optic foramen and the MSP was measured on the axial image using MPR technique of the 3D CT. Second, we measured the angle between the right optic foramen and OML in sagittal of MPR images. As a result, the angle between the optic foramen and the MSP was 39.9±4.63° on average, which was different from the 53° presented by Rhese method(p<0.05). The angle between optic foramen and OML was 40.8±6.6°. In conclusion, this study confirms that the standard of the Rhese method proposed in current textbook is difficult to apply to Koreans. Therefore, it is necessary to study angle of Korean standard in various general x-ray technique.
Jo-Eun YU,Mi-Young SON,Yeo-Myung YOON,Eun-Seo AN,Si-Eun YU,Jeong-Eun YOO,이도영 한국웰빙융합학회 2023 웰빙융합연구 Vol.6 No.4
Purpose: The purpose of this study is that the college age is an important transition period from youth to adulthood. Nursing students are unfamiliar with their field of study and need to adapt to a large amount of academic and practical training, so that they can have a better college life. An attempt was made to determine the effect of exam anxiety, academic stress, and alcohol dependence on the academic achievement of nursing students. Research design, data, and methodology: The subjects of the study were 130 students from all grades who agreed to participate in the study after expressing convenience among students attending the Department of Nursing at a university in Gyeongnam. The data collection period was from August 15 to September 15, 2023. It was about a month. The data investigation was conducted through a self-report survey. Results: Results showed that significant variables included exam anxiety, academic stress, alcohol dependency, parent relationships, peer relationships, and major satisfaction, explaining a total variance of 31.9%. Among these, the most influential factor was academic stress (β=-.352). Conclusions: This study identify factors influencing the academic achievement of nursing college students and hopes to contribute to formulating strategies for their growth and competence development.
Yoo, Woosuk,Choo, Seongmin,Lee, Kyujoon,Jo, Sinyong,You, Chun-Yeol,Hong, Jung-Il,Jung, Myung-Hwa IEEE 2015 IEEE transactions on magnetics Vol.51 No.11
<P>We prepared bilayer systems composed of the ferromagnetic (FM) layer Ni0.8Fe0.2 and the anti-FM (AFM) layer CoxNi1-xO (x = 0.3, 0.4, 0.5, and 0.6) using the dc/RF magnetron sputtering methods. Coercive field H-C and exchange bias field H-E, the shift field in hysteresis loop, were observed in all the Ni0.8Fe0.2/CoxNi1-xO bilayer systems after field cooling. The changes of H-C and H-E were explicitly studied for various parameters, such as the composition of AFM material x, the measured temperature T, and the direction of applied magnetic field. Measured anisotropic magnetoresistance (AMR) was analyzed to extract the H-C and H-E, since the peaks (maximum or minimum) in AMR do not appear exactly at the coercive field H-C of the magnetic hysteresis measurement. We propose a new approach for the analysis of AMR to determine HC and HEB along the field angle. with respect to the field-cooling direction. The results were compared with the variations of HEB and H-C reported earlier.</P>