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정신 감정 시 메스암페타민 중독 환자의 정량화 뇌파 비교 분석: 환자-대조군 연구
황성연,최종혁,류미경,김선범,김기성,안지형 대한법의학회 2017 대한법의학회지 Vol.41 No.4
In this study, we analyzed the quantitative electroencephalograms (EEGs) of forty-eight subjects (18 with methamphetamine dependence and 30 non-methamphetamine users as controls). Immediately following data collection, all personally identifying information was replaced with random numbers to prevent bias and protect privacy. Statistical analysis was performed using SPSS version 20.0 for MS Windows. To investigate the general characteristics of the demographic background of the study subjects, frequency and technical analyses were conducted. Mann-Whitney U tests were performed to determine the difference in quantitative EEGs between methamphetamine users and non-methamphetamine users. Methamphetamine users demonstrated quantitative EEG abnormalities that were consistent with generalized encephalopathy.
황성연,신태용,하영록,김영식,정한호,김정현,이경렬,이영환,홍종근 대한응급의학회 2013 大韓應急醫學會誌 Vol.24 No.4
Introduction: Recent studies have highlighted the use of a video laryngoscope, a promising airway device that enables faster intubation than a Macintosh laryngoscope without the cessation of chest compressions. The aim of this study was to compare the performance of a Pentax AirwayScope (AWS) with that of a laryngeal mask airway (LMA) when utilized by unskilled personnel in a mannequin model while performing chest compressions. Methods: We conducted a randomized controlled crossover trial to compare the effects of these two airway devices. A total of 36 participants performed intubation on a mannequin, with each device in both common and moderate level of difficulty airway scenarios. The time to successful ventilation, rate of ventilation success, and subjective difficulty in manipulating the devices were compared. Results: In a scenario with airways of common difficulty, the LMA had a shorter time interval to successful ventilation than the AWS (13.6 vs. 25.2 seconds, respectively, p<0.001). In a scenario with moderately difficult airways, the LMA was also shorter than the AWS (14.5 vs. 26.9 seconds, respectively,p<0.001). For every level of difficulty for the airway, the LMA showed a higher successful ventilation rate and a lower extent of difficulty in device operation than the AWS (p<0.05). Conclusion: In the pre-hospital setting, using the LMA could enable an unskilled rescuer to establish airway patency more rapidly. LMA might also be safer and easier for operation than the AWS.