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        • KCI등재

          원저 : 국내 응급의학 분야의 학술인용 현황과 피인용 논문 특성

          류현욱 ( Hyun Wook Ryoo ), 이미진 ( Mi Jin Lee ) 대한응급의학회 2013 大韓應急醫學會誌 Vol.24 No.3

          Purpose: The purpose of this study was to analyze recent citation trends in an attempt to improve the impact factor (IF) of the Journal of the Korean Society of Emergency Medicine (JKEM). Data from 2001~2012 in the Korean Medical Citation Index (KoMCI) was compared with the average citation data of other Korean emergency medicinerelated journals. Methods: All citation data from all journals listed in the KoMCI and the Web of Science were obtained. The chronological changes in the annual number of published articles and reference citations, total citations and self-citations per paper, IF and impact factor excluding self-citations (ZIF) were described and compared for Korean EM-related journals and the JKEM. Results: The annual number of articles published in JKEM was significantly larger than other EM-related journals. The number of Korean journal references per article is 2.13 papers on JKEM. The mean IF of the KoMCI was 0.153 and the ZIF was 0.050 for 12 years. The annual IF (ZIF) of JKEM has gradually decreased from 0.245(0.102) in 2010 to 0.118(0.035) in 2012. However, other EM-related journals have shown increases in these factors since 2009. The IF calculated from the Web of Science was zero until 2010, but soared from 0.008 to 0.016 from 2011 to 2012, respectively. Conclusion: The citation status of JKEM has steadily decreased over the past 2 years. To make JKEM as a highly- cited journal, an awareness of the academic status of JKEM and active advertising from journal members on the importance of the IF are needed to encourage the citation of its papers.

        • KCI등재
        • KCI등재

          원저 : 일개 대도시에서의 119 구급대가 자동제세동기를 사용한 병원 전 심정지 환자들에 대한 연구

          이현희 ( Hyun Hee Lee ), 서강석 ( Kang Suk Seo ), 정제명 ( Jae Myung Chung ), 박정배 ( Jeong Bae Park ), 류현욱 ( Hyun Wook Ryoo ), 김종근 ( Jong Kun Kim ), 서준석 ( Jun Seok Seo ), 이삼범 ( Sam Beom Lee ), 최우익 ( Woo Ik Choi ), 이경원 () 대한응급의학회 2008 大韓應急醫學會誌 Vol.19 No.3

          Purpose: To report characteristics of out-of-hospital cardiac arrest (OHCA) patients in whom 119 rescuers used an automated external defibrillator (AED) in the metropolitan area Methods: 1,689 OHCA patients were transferred to hospitals by 119 rescuers between 1 January and 31 December, 2006. Among them, 106 OHCA patients for whom 119 rescuers used an AED were enrolled retrospectively. Results: Shockable rhythm with AED use was 70.8%, witnessed arrest was 46.2%, and bystander cardiopulmonary resuscitation (CPR) was 6.6%. The most common location of cardiac arrest was in the home, at 74.5%. Response time was 7.1(±3.9) minutes. Chest compression during transport was done by 119 rescuers in 87.7% of cases, and assisted ventilations such as advanced airway management and bag valve mask ventilation were performed by 119 rescuers in 17.0%. Initial ECG findings at ED were asystole(59.4%), PEA(25.5%), VF/pulseless VT(8.5%), sinus rhythm(4.7%), and others(1.9%). The most common etiology of cardiac arrest was presumed cardiac origin in 68.9% of cases. Sustained return of spontaneous circulation (ROSC) was 26.4%. The proportion of patients discharged alive was 11.3%. Conclusion: The performance of bystander CPR and usage of AED, and appropriate CPR done by 119 rescuers were unsatisfactory in metropolitan Daegu. There is a marked need to establish basic life support education in the areas of bystander CPR, and a quantitative and qualitative development of 119 rescue capability.

        • KCI등재

          원저 : 일개 3차병원 응급의료센터의 10년 전후 만족도 비교 분석

          제동욱 ( Dong Wook Je ), 김창호 ( Chang Ho Kim ), 성애진 ( Ae Jin Sung ), 서준석 ( Jun Seok Seo ), 류현욱 ( Hyun Wook Ryoo ), 박정배 ( Jeong Bae Park ), 정제명 ( Jae Myung Chung ), 서강석 ( Kang Suk Seo ) 대한응급의학회 2007 大韓應急醫學會誌 Vol.18 No.6

          Purpose: To compare differences in overall satisfaction with emergency department (ED) services with the results obtained 10 years previously, in order to study effects of several component factors on patients` willingness to re-visit and to give recommendations. Methods: This study was performed with questionnaires from 318 patients and proxies who were admitted to the emergency ward through the emergency medical center from February 19th, 2007 to March 18th, 2007. Evaluation of data was by frequency analysis, chi-square test, t-test, multiple regression analysis, and path analysis. Results: During a one month study period, 244 patients and proxies (77% of those eligible) completed on-site questionnaires. Sociodemographic factors had no statistically significant influence on satisfaction with ED services. In multiple regression analysis to evaluate the correlation of various factors with satisfaction, the regression coefficients were 0.435(p<0.001) for reliability, 0.248(p<0.001) for accessibility, 0.179(p<0.001) for kindness, and 0.133(p=0.004) for environmental respectively. In path analysis, the direct effect of overall satisfaction on patient willingness for re-visit was 0.582. The direct effect of overall satisfaction reliability on willingness to give recommendations were 0.594, and 0.250 respectively. Conclusion: In slight contrast to the study performed 10 years previously, the factors with the most correlation to overall satisfaction with ED services in this study were environment, kindness of hospital personnel, accessibility, and reliability of medical personnel. We confirmed that overall satisfaction is the most important factor influencing willingness for re-visit and willingness to recommend services, but found that the component factors vary as the point of survey or hospital conditions changes.

        • KCI등재

          원저 : 자전거 손상 환자의 특성과 위험요인에 대한 연구

          신수정 ( Su Jeong Shin ), 류현욱 ( Hyun Wook Ryoo ), 박정배 ( Jung Bae Park ), 서강석 ( Kang Suk Seo ), 정제명 ( Jae Myung Jung ), 박동찬 ( Dong Chan Park ), 문유호 ( You Ho Moon ) 대한응급의학회 2010 大韓應急醫學會誌 Vol.21 No.3

          Purpose: The bicycle is a clean and future-oriented means of transportation and bicycle usage is growing. The bicycle has been in the spotlight lately with Europe and North America as the center. The purpose of this study was to establish proper prevention strategies for bicycle injuries. Methods: In this retrospective study, we analysed 148 bicycle-related injury patients who visited our hospital between Feb 1, 2008 and Jan 31, 2009. Information such as age, gender, injury severity score, injury time, injury place, and other characteristics were collected. Data were analysed using SPSS 12.0K. Results: Among the enrollees, 80.4% were male. Patients over 65 years of age accounted for only 18.2% of the group, but average injury severity score (ISS) of this group was the highest. Injuries occurred frequently between 16:00 and 22:00 in the evening, while the severity was higher between 00:00 and 08:00 in the morning. Most of the injuries developed on the roads, which included local roads, national highways, and alleyways. Injuries on the roads were more severe than those that occurred in other places. Conclusion: There have been suggestions for using bicycles safely. Legislation on bicycle helmet use already exists. Also, protective apparatus such as knee pads, wrist guards, and protection vests are recommended for use. Construction of more bike trails will be necessary. Above all, bicycle riders` safety consciousness is the most important part.

        • KCI등재

          원저 : 실신 환자에서 심각한 질환을 예측할 수 있는 초기 인자

          성애진 ( Ae Jin Sung ), 류현욱 ( Hyun Wook Ryoo ), 서강석 ( Kang Suk Seo ), 박정배 ( Jeong Bae Park ), 정제명 ( Jae Myung Chung ), 이원기 ( Won Kee Lee ), 조용근 ( Yong Keun Cho ), 서준석 ( Jun Seok Seo ), 제동욱 ( Dong Wook Je ), 김창호 () 대한응급의학회 2007 大韓應急醫學會誌 Vol.18 No.6

          Purpose: To stratify the risk of syncope by analyzing related risk factors of patients with possibly serious etiology who visit the emergency room with syncope. Methods: We studied 201 patients who visited the emergency room of Kyungpook National University Hospital with syncope from January 2004 to December 2006. We defined serious etiology as arrhythmia, angina pectoris, myocardial infarction, septic shock, meningitis, cerebral infarction, subarachnoid hemorrhage, brain tumor, significant hemorrhage, and malfunction of cardiac pacemaker requiring immediate treatment and intervention. We analyzed the relationship between 81 risk factors and serious etiology to stratify the risk for patients with syncope. Results: The patient group consisted of 105 males and 96 females with an average age of 56.4±20.7 years. Fifty-four patients had serious etiology. Among the 81 risk factors, those identified through univariate and multivariate analysis as having high predictive sensitivity and specificity were shortness of breath (odds ratio [OR]: 18.34, 95% confidence interval [CI]: 5.59-60.16); abnormal electrocardiography OR: 10.29, 95% CI: 1.43-74.33); hematocrit <28.3% (OR: 9.64, 95% CI: 3.47-26.73); age ≥47 years (OR: 6.24, 95% CI: 1.14-34.17); and admission via an out-patient department or by transfer from outside hospital (OR: 4.07, 95% CI: 1.15-14.36). Conclusion: Risk factors correlated with serious etiology for syncope are shortness of breath, abnormal electrocardiography, hematocrit <28.3%, age ≥47 years, and admission via an out-patient department or transfer from an outside hospital.

        • KCI등재

          원저 : 응급실로 내원한 소아 안 손상 환자의 임상적 고찰

          조재경 ( Jae Kyung Cho ), 류현욱 ( Hyun Wook Ryoo ), 신수정 ( Su Jeong Shin ), 김종근 ( Jong Kun Kim ), 박정배 ( Jeong Bae Park ), 서강석 ( Kang Suk Seo ), 정제명 ( Jae Myung Chung ) 대한응급의학회 2011 大韓應急醫學會誌 Vol.22 No.6

          Purpose: Ocular injury is a significant problem in pediatric patients. The aim of this investigation was to evaluate clinical characteristics of pediatric eye injury for the purpose of offering preventive strategies. Methods: This retrospective study was carried out by evaluating the records of patients under the age of 15 years who were treated for ocular injury at the Kyungpook National University Hospital emergency medical center, from January 2003 to December 2008. A total of 477 patients were included in the study. Age, sex, date of injury, location where injury occurred, cause of injury, diagnosis, any effects on visual acuity, and any complications, were analyzed. Results: Ocular injury occurred more frequently in boys (72.3%) than in girls, and the highest incidence was seen in ages 11 to 15 years (37.3%). Ocular injury frequently occurred in the home or at school. The most common cause of injury was due to instruments (51.6%). Surgery was necessary in 71 patients (14.9%), complication developed in 48 patients (10.1%), and 40 patients (8.4%) suffered from decreased visual acuity. Conclusion: It`s important to monitor boys, in particular, who are engaged in physical activities in the home and at school. Appropriate education and application of personal protective equipment are important methods to aid in prevention of pediatric ocular trauma, especially with children in the home and with adolescents engaged in sporting activities.

        • KCI등재

          원저 : 응급센터로 내원한 소아 안 손상 환자의 특성과 위험요인: 다기관 단면 연구

          이숙희 ( Suk Hee Lee ), 류현욱 ( Hyun Wook Ryoo ), 안재윤 ( Jae Yun Ahn ), 서강석 ( Kang Suk Seo ), 박정배 ( Jung Bae Park ), 신상도 ( Sang Do Shin ), 송경준 ( Kyoung Jun Song ), 박창배 ( Chang Bae Park ), 이강현 ( Kang Hyun Lee ), 유인술 ) 대한응급의학회 2014 大韓應急醫學會誌 Vol.25 No.5

          Purpose: This study was conducted in order to determine the characteristics and risk factors of pediatric eye injury patients in the emergency department and to offer strategies for prevention of pediatric eye injury. Methods: This prospective study was conducted by use of a standardized eye injury survey of patients under the age of 16 years who were treated for ocular injury at nine emergency medical centers, from March to September of 2010. The following data were collected; general characteristics of the study population, type and location of injury, causative activities, and materials of injury. Risk factors associated with open-globe injury were analyzed by logistic regression. Results: A total of 1,151 patients were enrolled in the study; 75% were male. The highest incidence was observed between the age of 11 and 16 years (34.5%); 79.2% of patients had closed globe injury. The most common type of injury was contusion (65.4%) in closed globe injury and penetration (5.1%) in open-globe injury. Eye injury occurred most commonly at home (48.6%), followed by school/institution (19.4%). The most common causative activity and material were play (42.4%) and person/animal/plant (17%). Application of eye protective equipment (odds ratio: 24.33; 95% CI: 11.32~52.29) was found to be a statistically significant factor for occurrence of an open-globe injury. Conclusion: Establishment of safety measures considering gender and age is important since characteristics of pediatric eye injury differ based on such risk factors. The risk of open-globe eye injury increased with application of personal protective equipment, therefore, public education and promotion to use protective equipment of adequate level would be considered important.

        • 원저 : 두부 외상 환자의 중증도 평가 시 단순운동점수의 유용성

          이상경 ( Sang Kyong Lee ), 류현욱 ( Hyun Wook Ryoo ), 박정배 ( Jung Bae Park ), 서강석 ( Kang Suk Seo ), 정제명 ( Jae Myung Chung ) 대한외상학회 2008 大韓外傷學會誌 Vol.21 No.2

          Purpose: The Glasgow Coma Scale (GCS), though it is widely used for triage, has been criticized as being unnecessarily complex. Recently, a 3-point Simplified Motor Score (SMS, defined as obeys commands=2; localizes pain=1; withdrawals to pain or worse=0) was developed from the motor component of the GCS and was found to have a similar test performance for triage after traumatic brain injury when compared with the GCS as the criterion standard. The purpose of this study was to validate the SMS. Methods: We analyzed the patients who visited Kyungpook National University Hospital emergency center after traumatic brain injury from 2006 January to 2006 June. The test performance of the GCS, its motor component, and SMS relative to three clinically relevant traumatic brain injury outcomes (abnormal brain CT scans, Abbreviated Injury Scale (AIS)≥4, and mortality) were evaluated with areas under the receiver operating characteristic curves (AUCs). Results: Of 504 patients included in the analysis, 25.6% had an abnormal brain CT scans, 13.1% had AIS≥4, and 5.0% died. The AUCs for the GCS, its motor component, and SMS with respect to the abnormal CT scans were 0.776, 0.715, and 0.716, and respectively, those for AIS≥4 and mortality, were 0.969, 0.973, and 0.968, and 0.931, 0.909, and 0.909, respectively. Conclusion: The 3-point SMS demonstrated similar test performance when compared with the 15-point GCS score and its motor component for triage after traumatic brain injury in our populations. (J Korean Soc Traumatol 2008;21:71-77)

        • KCI등재

          원저 : 열사병의 임상적 특징 및 예후에 관한 연구

          박노한 ( Noh Han Park ), 류현욱 ( Hyun Wook Ryoo ), 서강석 ( Kang Suk Seo ), 박정배 ( Jung Bae Park ), 정제명 ( Jae Mung Chung ) 대한외상학회 2006 大韓外傷學會誌 Vol.19 No.2

          Purpose: The aim of this study was to evaluate the clinical characteristics of classic heat stroke in Korea and to identify factors of prognosis for heat stroke by comparing a survival group with a non-survival group. Methods: We retrospectively analyzed 27 patients with heat stroke who visited the Emergency Department of Kyungpook National University Hospital from March 2001 to February 2005. First, we divided the patients into two groups, the classic heat stroke group and the exertional heat stroke group, and compared them. Second, we compared the survival group with the non-survival group. Age, sex, cause, place where patients were found, underlying diseases, cooling time, performance of endotracheal intubation, initial Glasgow Coma Scale, initial vital sign, and laboratory findings were reviewed. Results: Five of 27 patients in heat stroke died. The classic heat stroke group had 20 patients. They were old and had more patients in the bathroom than the exertional heat stroke group had. The non-survival group showed lower blood pressure, lower initial GCS score, and higher respiratory rate than the survival group. In laboratory findings, the non-survival group also showed lower HCO3- level, lower albumin level, lower glucose level, more prolonged PT, and higher CK-MB level than the survival group. Delay in recognition of heat stroke and cooling were poor prognostic factors in heat stroke. Conclusion: The classic heat stroke group had patients who were old and found in the bathroom. Early recognition and treatment of heat stroke is important to reduce mortality. Cooling time, initial GCS score, mean arterial pressure, resipratory rate, HCO3-, PT, CK-MB, and albumin seem to be meaningful when forming a prognosis for heat stroke patients. (J Korean Soc Traumatol 2006;19:113-120)

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