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나상운,한상수,박경혜,Kim Chanwoong,노현,어윤경 대한응급의학회 2022 Clinical and Experimental Emergency Medicine Vol.9 No.1
Objective The purpose of this study was to analyze the current situation concerning professionalism among emergency physicians in South Korea by conducting a survey regarding their perceptions and experiences of unprofessional behavior.Methods In October 2018, the authors evaluated the responses to a questionnaire administered to 548 emergency physicians at 28 university hospitals. The participants described their perceptions and experiences concerning 45 unprofessional behaviors classified into the following five categories: patient care, communication with colleagues, professionalism at work, research, and violent behavior and abusive language. Furthermore, the responses were analyzed by position (resident vs. faculty). Descriptive statistics were generated on the general characteristics of the study participants. To compare differences in responses by position and sex, the chi-square and Fisher exact tests were performed.Results Of the 548 individuals invited to participate in this study, 253 responded (response rate, 46.2%). In 34 out of 45 questionnaires, more than half of participants reported having experienced unprofessional behavior despite their negative perceptions. Eleven perception questions and 38 experience questions for unprofessional behavior showed differences by position.Conclusion Most emergency physicians were well aware of what constituted unprofessional behavior; nevertheless, many had engaged in or observed such behavior.
항우울제 복용에 의한 소뇌, 해마 그리고 기저핵에 확산이 제한된 일과성 부종 증후군(CHANTER syndrome) 증례
나상운,김한빛,한상수,최성우,임훈 대한임상독성학회 2022 대한임상독성학회지 Vol.20 No.1
Cerebellar Hippocampal and Basal Nuclei Transient Edema with Restricted diffusion (CHANTER) syndrome is characterized by an altered mental status. The acute MRI lesions show abnormal restricted diffusion imaging bilaterally and symmetrically in the cerebellum, hippocampus, and basal nuclei. This syndrome is an unknown syndrome and is presumed to be mainly an opioidinduced toxidrome. Here, we present a case study wherein we show that it can also be caused by an antidepressant overdose.
나상운,한상수,최성우,김한빛,이정빈,이선욱,이영환,김기운 대한응급의학회 2020 대한응급의학회 학술대회초록집 Vol.2020 No.2
Introduction Carbon monoxide (CO) poisoning can result in delayed neurological sequelae (DNS). This study aims to determine whether acute brain lesions observed using diffusion-weighted magnetic resonance imaging (MRI) following acute CO poisoning are related to the subsequent development of DNS. Material & Method This prospective study was conducted on patients with CO poisoning treated at a university hospital in Bucheon, Korea. From August 2016 to July 2019, a total of 283 patients visited the hospital because of CO poisoning. Exclusion criteria included age under 18 years, refusing hyperbaric oxygen therapy, refusing MRI, being discharged against medical advice, being lost to follow-up, having persistent neurological symptoms at discharge, and being transferred from another hospital 24 h after exposure. Result Of the 154 patients included in the final study, acute brain lesions on MRI (ABLM) were observed in 49 patients (31.8%) and DNS occurred in 30 patients (19.5%). In a logistic regression analysis, lower Glasgow coma scale score and higher exposure time were associated with DNS, and the presence of ABLM in white matter was significantly associated with DNS (OR 6.741; p = 0.004). Conclusion The presence of ABLM in white matter was significantly related to the occurrence of DNS. Early prediction of the risk of developing DNS through MRI may be helpful in treating patients with CO poisoning.
급성 일산화탄소 중독 환자들에서흡연과 지연성 신경정신과학적 후유증 발생의 상관관계
김학면,최성우,나상운,최효정,임훈,김기운,한상수,이영환 대한임상독성학회 2018 대한임상독성학회지 Vol.16 No.2
Purpose: This study examined the association between smoking and delayed neuropsychological sequelae (DNS) in acute carbon monoxide (CO) poisoning. Methods: Patients admitted to the medical center emergency department from March 2016 to March 2017 because of CO poisoning were examined retrospectively. The patients were divided into two groups: DNS and Non-DNS group. Multiple factors were analyzed to explain DNS, which was assessed by motor disturbances, cognitive impairment, dysphagia, Parkinson-like syndromes, epilepsy, and emotional lability in CO poisoning. Results: A total of 120 patients were included. The factors related to DNS were smoking (pack-years) (p=0.002) and initial carbon monoxide-hemoglobin level (p=0.015). On the other hand, after multivariate logistic regression analysis, smoking (Odds ratio 1.07; 95% CI, 1.02-1.13; p=0.004) was the only factor associated with DNS. Conclusion: Smoking is a very reliable factor for predicting the occurrence of DNS. A history of smoking in patients who suffer from CO intoxication is important. If a patient smokes, treatment should be started actively and as soon as possible.
한상수,조영순,나상운,최성우,이영환,김기운 대한응급의학회 2020 대한응급의학회 학술대회초록집 Vol.2020 No.2
Introduction It is important to prevent the development of delayed neuropsychiatric sequelae (DNS) in carbon monoxide (CO) intoxication, but no effective treatment has been clearly identified. Hyperbaric oxygen (HBO) therapy is one of the treatment options in acute CO poisoning; however, whether it can prevent the development of DNS is controversial. The purpose of this study is to compare the effectiveness of normobaric oxygen (NBO) and HBO in preventing DNS. Material & Method This study was conducted on all patients with CO poisoning admitted to the emergency department of a tertiary hospital from 2016 to 2019. We followed up patients to determine whether symptoms of DNS occurred at up to 6 months. We matched the propensity score to an equivalent distribution of potential covariates. Result A total of 224 CO-poisoned patients were enrolled in this study. NBO was used for 26 patients and HBO for 198 patients. DNS occurred in 40 patients. The incidence of DNS was 19.2% in the HBO group, which was higher than the 7.7% observed in the NBO group, but the difference was not significant (p=0.18). After propensity score matching, the incidence of DNS did not differ between the NBO and HBO groups (8.3% vs. 10.4%, p>0.99). Conclusion There was no difference in the incidence of DNS between groups receiving HBO and NBO in acute CO intoxication.