Journal of Trauma and Injury

Original Articles

Characteristics of injuries associated with electric personal mobility devices: a nationwide cross-sectional study in South Korea: Maro Kim, Dongbum Suh, Jin Hee Lee, Hyuksool Kwon, Yujin Choi, Joo Jeong, Sola Kim, Soyun Hwang, Joong Wan Park, You Hwan Jo; J Trauma Inj. 2022;35(1):3-11. Published online October 28, 2021; DOI: https://doi.org/10.20408/jti.2021.0044

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Purpose
The increasing use of electric personal mobility devices (ePMDs) has been accompanied by an increasing incidence of associated accidents. This study aimed to investigate the characteristics of ePMD-related injuries and their associated factors. Methods: This cross-sectional study was conducted using data from the Emergency Department-based Injury In-depth Surveillance database from 2014 to 2018. All patients who were injured while operating an ePMD were eligible. The primary outcome was the rate of severe injury, defined as an excess mortality ratio-adjusted Injury Severity Score of ≥25. We calculated the adjusted odds ratios (AORs) of outcomes associated with ePMD-related injuries. Results: Of 1,391,980 injured patients, 684 (0.05%) were eligible for inclusion in this study. Their median age was 28 years old, and most injuries were sustained by men (68.0%). The rate of ePMD-related injuries increased from 3.1 injuries per 100,000 population in 2014 to 100.3 per 100,000 population in 2018. A majority of the injuries occurred on the street (32.7%). The most commonly injured area was the head and face (49.6%), and the most common diagnosis was superficial injuries or contusions (32.9%). Being aged 55 years or older (AOR=3.88; 95% confidence interval [CI] 1.33–11.36) and operating an ePMD while intoxicated (AOR=2.78; 95% CI 1.52–5.08) were associated with severe injuries. Conclusions: The number of emergency room visits due to ePMD-related injuries is increasing. Old age and drunk driving are both associated with serious injuries. Active traffic enforcement and safety regulations regarding ePMDs should be implemented to prevent severe injuries caused by ePMD-related accidents.

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Citations

Citations to this article as recorded by

Types of injuries caused by isolated electric scooter accidents
Kyongwon Yoo, Hyung Il Kim
Journal of Trauma and Injury.2022; 35(4): 232. CrossRef

Effect of Therapeutic Hypercapnia on Systemic Inflammatory Responses in Hemorrhagic Shock in Rats: Kyeong Won Kang, You Hwan Jo, Kyuseok Kim, Jae Hyuk Lee, Joong Eui Rhee; J Korean Soc Traumatol. 2012;25(1):17-24.

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Abstract PDF: PURPOSE
This study was performed to investigate whether therapeutic hypercapnia could attenuate systemic inflammatory responses in hemorrhagic shock in rats.
METHODS
Male Sprague-Dawley rats were mechanically ventilated and underwent pressure-controlled (mean arterial pressure: 38+/-1 mmHg) hemorrhagic shock. At 10 minutes after the induction of hemorrhagic shock, the rats were divided into the normocapnia (PaCO2=35-45 mmHg, n=10) and the hypercapnia (PaCO2=60-70 mmHg) groups. The PaCO2 concentration was adjusted by using the concentration of inhaled CO2 gas. After 90 minutes of hemorrhagic shock, rats were resuscitated with shed blood for 10 minutes and were observed for 2 hours. The mean arterial pressure (MAP) and the heart rate were monitored continuously, and the results of arterial blood gas analyses, as well as the plasma concentrations of interleukin (IL)-6, IL-10, and nitrite/nitrate were compared between the normocapnia and the hypercapnia groups.
RESULTS
The MAP and the heart rate were not different between the two groups. The plasma concentration of IL-6 was significantly lower in the hypercapnia group than in the normocapnia group (p<0.05). The IL-10 concentration was not different and the IL-6 to IL-10 ratio was significantly lower in the hypercapnia group compared to the normocapnia group. The plasma nitrite/nitrate concentration of the hypercapnia group was lower than that of the normocapnia group.
CONCLUSION
Therapeutic hypercapnia attenuates systemic inflammatory responses in hemorrhagic shock.; Summary

Sulforaphane Post-treatment Had No Protective Effects in Paraquat-intoxicated Rats: Gui Sang Jang, Jae Hyuk Lee, Kyuseok Kim, You Hwan Jo, Joong Eui Rhee, Kyoungbun Lee, Chan Jong Park, Chang Woo Kang, Soohoon Lee, Joonghee Kim; J Trauma Inj. 2013;26(1):6-13.

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Abstract PDF: PURPOSE
Sulforaphane is a naturally-occurring isothiocyanate abundant in broccoli. It has been suggested as a promising antioxidant. In this study, the therapeutic effect of sulforaphane in paraquat intoxication was investigated.
METHODS
Paraquat was administered via the tail vein, after which sulforaphane or a vehicle (4% DMSO) was administered intraperitoneally 15 minutes after paraquat administration. Histological injury, lipid peroxidation, plasma cytokine (IL-6, IL-10), and nitric oxide were measured. In addition, the effect of sulforaphane on survival in paraquat-intoxication was observed.
RESULTS
Regarding histological injury, lipid peroxidation, and plasma cytokine and nitric-oxide response, sulforaphane administration showed no protective effects in paraquat-intoxicated rats. Rather, it increased mortality (log rank p=0.03) and caused lipid peroxidation, as well as plasma cytokine and nitric-oxide production, to be increased.
CONCLUSION
Sulforaphane had no therapeutic effect on paraquat-intoxicated rats; rather, it increased mortality.; Summary

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