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장예림,Chan Yong Park,Dong Hun Kim,마대성,Sung Wook Chang 대한외과학회 2020 Annals of Surgical Treatment and Research(ASRT) Vol.99 No.6
Purpose: Resuscitative endovascular balloon occlusion of the aorta (REBOA) has emerged as a salvage technique changing the paradigm in the management of noncompressible torso hemorrhage. However, training for the REBOA procedure is rarely performed. The endovascular training for REBOA (ET-REBOA) course was conducted to develop the endovascular skills of participants. Methods: Sixteen residents and 12 specialists participated in this educational course. All participants were provided with precourse learning materials. The ET-REBOA course consisted of 2 sections; an ultrasound-guided sheath insertion on the puncture model, and a balloon manipulation on the vascular circuit model. A 13-item procedure checklist and the time required to perform the procedure were examined. Pre/post self-reported confidence score and course satisfaction questionnaire were obtained. Results: Twenty-eight participants performed the 56 REBOA procedures. On the first attempt, the median total time for REBOA from ultrasound-guided vascular access to balloon inflation was 1,139 ± 250 seconds in the resident group and 828 ± 280 seconds in the specialist group. The median shortened time for completion was 273 seconds and 290 seconds respectively. A significant decrease in procedure task time was observed between first and second attempts in the resident group (P = 0.016), specialist group (P = 0.004), and in total among all participants (P < 0.001). Conclusion: The ET-REBOA course significantly decreased the time taken to perform the REBOA procedure with high satisfaction of the participants. The course could be an effective curriculum for the development of endovascular skills for performing REBOA
장예림,김경민,김효정,김동훈,Kim Jeonsang,노동섭,마대성,Yun Jeongseok,윤정호,Lee Seok Won,Choi Seok Ho,Heo Yoonjung,Chang Sung Wook 질병관리본부 2020 Osong Public Health and Research Persptectives Vol.11 No.6
Objectives As a protective measure to slow down the transmission of coronavirus disease 2019 in Korea, social distancing was implemented from February 29th, 2020. This study aimed to evaluate the prevalence of domestic incidents and intentional injury during March 2020 when social distancing was in effect. Methods There were 12,638 patients who visited the Level 1 trauma center of Chungnam province with injuries from domestic incidents, familial discord, and intentional injury. The prevalence of injuries during March 2020 was compared with the average of the previous 5 years, and the average for every March between 2015 and 2019. Results The prevalence of domestic incidents in March 2020 was significantly higher than the 5-year average, and the average for every March from 2015 to 2019 (p < 0.001). Familial discord (p = 0.002) and intentional injury (p = 0.031) were more frequently observed in March 2020. Adolescents showed a markedly higher level of intentional injury in March 2020 than in both the 5-year average (p = 0.031), and average for every March over the previous 5 years (p = 0.037). Conclusion The prevalence of domestic incidents and intentional injury were significantly higher during the period of social distancing in Korea. There is a need for social consensus, better policies, and psychological support services, especially if faced with a second or third wave of coronavirus disease.
롬바르드 효과가 아동과 성인의 말소리 산출에 미치는 영향: 음향학적 특성과 모음공간면적을 중심으로
장예림(Yelim Jang),황재희(Jaehee Hwang),이누리(Nuri Lee),이나경(Nakyung Lee),음세은(Seeun Eum),이영미(Youngmee Lee) 한국음성학회 2024 말소리와 음성과학 Vol.16 No.2
본 연구는 소음 조건에 따른 롬바르드 효과가 성인과 아동의 발화에 미치는 영향을 음성음향학적 측면에서 살펴보고자 하였다. 본 연구의 대상자는 5–9세 남자 아동 12명과 24-35세 남자 성인 12명이다. 대상자는 무소음과 55 dB, 70 dB의 다화자잡음을 청취하는 조건에서, 발화 과제를 수행하였다. 이때, 대상자의 음성을 디지털레코더로 녹음하였으며, Praat 프로그램을 사용하여 음성의 기본주파수, 강도, 발화길이, 모음공간면적을 분석하였다. 성인과 아동 간에 음도, 발화길이에서 유의한 차이가 있었으나, 두 집단 간에 강도와 모음공간면적에서는 유의한 차이가 없었다. 듣기 조건에 따라 대상자의 음성 강도, 발화길이에 유의한 차이가 있어서, 무소음 조건에 비해 소음 조건에서 대상자의 음성 강도와 발화길이가 유의하게 증가하였다. 본 연구 결과를 통해, 성인과 아동은 소음이 제시되는 상황에서 본인의 음성 강도와 발화길이를 증가시키는 것을 확인하였다. 본 연구는 어린 아동도 성인과 동일하게 소음으로 인한 말명료도 저하를 개선하기 위한 음성적 노력을 기울이고 있다는 것을 확인하였다는 데 의의가 있다. The Lombard effect is an involuntary response to speakers’ experiences in the presence of noise during voice communication. This study aimed to investigate the Lombard effect by comparing the acoustic features of children and adults under different listening conditions. Twelve male children (5-9 years old) and 12 young adult men (24-35 years old) were recruited to produce speech under three different listening conditions (quiet, noise-55 dB, noise-70 dB). Acoustic analyses were then carried out to characterize their acoustic features, such as F0, intensity, duration, and vowel space area, under the three listening conditions. A Lombard effect was observed in the intensity and duration for children and adults who participated in this study under adverse listening conditions. However, we did not observe a Lombard effect in the F0 and vowel space areas of either group. These findings suggest that children can adjust their speech production in challenging listening conditions as much as adults.