• Title/Summary/Keyword: medical traffic

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Differentiated Channel Access Scheme for Assuring QoS of Medical Traffic in WLAN-based e-Healthcare Systems (무선랜 기반 e-Healthcare 시스템에서의 의료용 트래픽의 서비스 품질 보장을 위한 채널 접속 차별화 방안)

  • Kim, Young Boo;Park, Eun-Chan
    • Journal of Institute of Control, Robotics and Systems
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    • v.20 no.6
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    • pp.676-688
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    • 2014
  • The IEEE 802.11e EDCA (Enhanced Distributed Channel Access) mechanism has been proposed to improve the QoS (Quality of Service) of various services in WLANs (Wireless Local Area Networks). By differentiating the channel access delay depending on ACs (Access Categories), this mechanism can provide the relative service differentiation among ACs. In this paper, we consider that WLAN is deployed in medical environments to transfer medical traffic and we reveal that the quality of the medical traffic (in particular, ECG signals) is significantly deteriorated even with the service differentiation by IEEE 802.11e EDCA. Also, we analyze the reason for performance degradation and show that IEEE 802.11e EDCA has difficulty in protecting the transmission opportunity of high-priority traffic against low-priority traffic. In order to assure medical-grade QoS, we firstly define the service priority of medical traffic based on their characteristics and requirements, and then we propose the enhanced channel access scheme, referred to as DIFF-CW. The proposed scheme differentiates CW (Contention Window) depending on the service priority and modifies the channel access procedure for low-priority traffic. The simulation results confirm that the DIFF-CW scheme not only assures the QoS of medical traffic but also improves the overall channel utilization.

The Clinical Study on 500 Cases with Traffic Accident Patients Admitted in Oriental Medical Hospital (한방병원에 입원한 교통사고 환자 500례에 대한 임상적 고찰)

  • Kim, Eun-Geol;Lee, Dong-Gun;Jeong, Won-Je;Cho, Hyun-Seok;Bae, Jae-Ik;Kim, Seung-Hyeon;Kim, Kyung-Ho
    • Journal of Acupuncture Research
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    • v.26 no.5
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    • pp.29-38
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    • 2009
  • Objectives : The main purpose of this study is to find out the characteristic of patients admitted in the Oriental Medical Hospital due to traffic accident. Methods : 500 inpatients of traffic accident from Jan 1, 2005 to May 31, 2009 were analyzed according to medical charts. Results : The numbers of traffic accident patient in Oriental Medical Hospital in 2008 were bigger than in 2005. Most of patients were cared by western medicine right after accidents and several days later they started searching for oriental medical treatments. Most of the symptoms were not so severe at the beginning of the treatment. The method of the treatment were restricted by automobile insurance limitation in the field of oriental medicine. Conclusions : This study suggested that Oriental medical treatments are effective in traffic accident patients without surgical injury. Further studies are needed for progress report that after traffic accident patients are discharged from the Oriental Medical Hospital.

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A Study on Behavioral Factors for the Safety of Ambulance Driving by Coefficiencial Structural Analysis (구급차 안전사고에 대한 공분산 구조분석)

  • Jo, Jeanman;Lee, Tae-Yong
    • The Korean Journal of Emergency Medical Services
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    • v.4 no.1
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    • pp.95-100
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    • 2000
  • This is a study to evaluate the effects of the safety of ambulance driving and traffic accidents and to provide statistic information for the various factors to reduce the ambulance traffic accidents. The major instruments of this study were Korean Self-Analysis Driver Opinionnaire. This Questionnaire contains 8 items which measure drivers' opinions or attitudes: driving courtesy, emotion, traffic law, speed, vehicle condition, the use of drugs, high-risk behavior, human factors. The total of 145 divers were investigated ambulance drivers in Taejon City and others(6 City) from 2000. 5. July to 2000. 11. July. The data were analyzed by the path analysis - with SPSS and AMOS package program. The result are as follows : 1. It have suggested that risk factors of ambulance traffic accident much affected with emotion and speed control on safety ambulance driving(Y(Accident) = $0.88{\times}1$(Emotion Control) + $0.92{\times}2$(Speed) - $0.46{\times}3$(Traffic Law)+E). 2. It have suggested that risk factors of ambulance traffic accident much affected with emotion and speed control on safety ambulance driving(Y(Accident) = $0.398{\times}1$(Emotion Control) + $0.500{\times}2$(Speed) - $0.263{\times}3$(Traffic Law)+E) by coefficiecial structural analysis.

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Current status of traffic accident victims who were transported by 119 ambulances in Chungcheongnam-do (충청남도 지역의 119 구급으로 이송된 교통사고 환자의 발생 특성)

  • Kim, Jin-Hyeon;Choi, Eun-Sook;Lee, Kyoung-Youl
    • The Korean Journal of Emergency Medical Services
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    • v.25 no.2
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    • pp.99-112
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    • 2021
  • Purpose: The study aimed to analyze the current status of traffic accident victims who were transported by 119 ambulances within the administrative district of Chungnam province and provide essential data for accident prevention. Methods: The pre-hospital care records of patients who called the 119 emergency service in 2019 were obtained from the Chungnam Fire Department. Data pertaining to 13,663 traffic accident victims who were transported to hospitals were analyzed. Results: Patients in those aged ≥60 years accounted for 49.8% of the total cases. In patients aged ≥80 years(n=2,154), motor cycle accidents were highest as 28.3%. In addition, cultivator (n=135) and buggy car (n=79) accident victims were the highest in aged ≥80 years as 66.7% and 67.1%, respectively. Traffic accident victims-population ratio in Chungnam was 0.65%, wherein 2.03% included population aged ≥80 years. Conclusion: It was clear that accidents varied across administrative districts depending on the age group of population distribution. Thus, safety measures for preventing motorcycle, cultivator, and buggy car accidents are necessary for areas with many older people aged ≥80 years.

Impact of obesity on the severity of trauma in patients injured in pedestrian traffic accidents

  • Pillsung, Oh;Jin-Seong, Cho;Jae Ho, Jang;Jae Yeon, Choi;Woo Sung, Choi;Byungchul, Yu
    • Journal of Trauma and Injury
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    • v.35 no.4
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    • pp.240-247
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    • 2022
  • Purpose: Studies on the relationship between obesity and injuries, especially those sustained in pedestrian traffic accidents, are lacking. We aimed to assess the effects of obesity on the severity of injury at the time of admission to the emergency room in patients who experienced pedestrian traffic accidents. Methods: This study included trauma patients registered in the Korean Trauma Database from July 1, 2018 to December 31, 2020, whose mechanism of injury was pedestrian traffic accidents and who were treated at a single institution. Those aged below 15 years were excluded. Patients were assigned to nonobese and obese groups based on a body mass index of 25 kg/m2. An Injury Severity Score of 25 or greater was considered to indicate a critical injury. Results: In total, 679 cases of pedestrian traffic accidents were registered during the study period, and 543 patients were included in the final analysis. Of them, 360 patients (66.3%) and 183 patients (33.7%) were categorized as nonobese and obese, respectively. The median age was significantly higher in the nonobese group than in the obese group (60 vs. 58 years). Multivariate analysis demonstrated that the odds ratio for critical injury in obese patients was 1.59 (95% confidence interval, 1.01-2.48) compared with nonobese patients. Conclusions: Obesity affected the likelihood of sustaining severe injuries in pedestrian traffic accidents. Future studies should analyze the effects of body mass index on the pattern and severity of injuries in patients with more diverse injury mechanisms using large-scale data.

Correlation between injury and the injury severity score in geriatric traffic accident patients transported by 119 rescue services (119로 내원한 노인교통사고 환자의 손상과 손상중증도계수의 상관관계 분석)

  • Park, Yu-Jin;Kim, Byung-Woo
    • The Korean Journal of Emergency Medical Services
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    • v.20 no.3
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    • pp.7-19
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    • 2016
  • Purpose: The purpose of the study was to investigate the correlation between injury and injury severity score (ISS) in geriatric traffic accident patients transported by 119 emergency medical technicians (EMTs). Methods: The subjects were 240 traffic accident patients over 65 years old transported by 119 rescue services emergency departments in Busan from January 1, 2014 to August 31, 2015. Results: ISS increased in motorcycle traffic accidents (p=.026), truck injuries (p=.005), and head and neck injury (p<.001). Vital signs were evaluated by 119 rescue EMT. ISS increased in cases of unresponsive unconsciousness (p<.001), hypotension (p=.001), and bradycardia (p<.001). The need for bleeding control and dressing by the EMTs increased ISS significantly (p=.022). Conclusion: In the initial evaluation of geriatric traffic patients, ISS can increase in motor cycle accidents and truck injuries. Due to high ISS, patients with head and neck injury, chest injury, hypotension, or tachycardia should be transferred to advanced level hospitals.

Driver's Protection Method of Ambulance Car Accident (응급구조 교통사고에 대한 운전자의 보호방안)

  • Park, Hi-Jin;Kwon, Hayrran;Lee, Young-Hyun
    • The Korean Journal of Emergency Medical Services
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    • v.4 no.1
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    • pp.63-71
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    • 2000
  • Exceptive clause of ambulance stated in Road Traffic Laws of ambulance car accidents is not properly applied and emergency staffs who transfer over 85% of emergency cases are to be forced to start out to the emergency field with unstable conditions which they may be punished on the criminal and civil laws. Hereby this study makes the following suggestions to activate the duties of transferring emergency cases by emergency staffs, promote their morale and diminish the victim of emergency staffs due to traffic accidents. 1) It is prescribed that ambulance car drivers should be protected legally by applying the exceptive clauses thoroughly regulated in special case clauses because ambulance cars are used for the purpose of saving the human life. 2) On the traffic accidents occurred during the transfer of emergency cases, the special insurance system is created for treating the ambulance car accidents, not to bind the emergency staff's mistake to traffic law and the victims are compensated by the nation on the basis of insurance system and emergency staffs have the systematic security. 3) On the road over six lanes, emergency lane is set on the center and ambulance car should be used as the exclusive lane. 4) Ambulance car drivers must have the habit of transferring emergency cases rapidly within the range of legal operation.

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Survey of Oriental Medical Care for Traffic Accident Patients with Automobile insurance; 544 Cases Report (교통사고 환자 544례를 통한 한방자동차보험의 실태에 관한 조사)

  • Park, Seo-Young;Lee, Yun-Kyu;Kim, Jae-Su;Lim, Seong-Chul;Lee, Bong-Hyo;Jung, Tae-Young;Ha, Il-Do;Han, Sang-Won;Lee, Kyung-Min
    • Journal of Acupuncture Research
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    • v.26 no.3
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    • pp.1-10
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    • 2009
  • Objectives : The main purpose of this Survey is to make a research on the actual condition of Automobile insurance system in oriental medical care. Methods : In this research, we surveyed 544 patients of traffic accident who were visited oriental medical clinic or hospital in Daegu, Korea from January, 1, 2008 to December, 31, 2008 according to medical chart. They made up Questionnaire about sex, age, pattern of accidents, days to visit oriental medical clinic, motivation to visiting clinic, damaged part of the body, chief complaint, treatment given to them, medication, tests, days of treatment and the effect. Results : The patients visited oriental medical clinic or hospital were fewer numbers from most of traffic accident patients. And most of their symptoms were light and the treatment and test of oriental medicine was limited for them because of automobile insurance limitation. Conclusions : For this study, we confirmed a possibility for the treatment of traffic accident patients in oriental medical treatment. Still, we needs to expend the boundary of treatment and to come into application of insurance.

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Analysis of traffic accidents involving 119 emergency (119 구급대 구급차 교통사고 현황 분석)

  • Lee, Jeong-Ho;Shin, Dong-Min
    • The Korean Journal of Emergency Medical Services
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    • v.22 no.1
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    • pp.35-47
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    • 2018
  • Purpose: The purpose of this study was to investigate both the occurrence status of emergency vehicles traffic accidents and contents of the experiences of emergency medical technicians (EMTs) in fire station. Methods: A self-reported questionnaire was completed by 451 EMTs in fire stations in 6 cities provinces from February 9, 2017 to February 27, 2017. Results: Of 451 EMTs, 207 (45.9%) had traffic accidents experience. Regarding environment-related features, results indicated hour (12~18 hours), place (national highway), traffic flow (smooth), weather (clear), season (winter), and day (Friday). Regarding correlation analysis of differences in the number of ambulance traffic accidents pursuant to general features of accident-experienced drivers as a human factor, there were no significant differences in recruitment, driving careers of regular cars, driving careers of fire engines, and class but there were significant differences in fire-fighting careers. Accident experience in the group with careers over 6 years and less than 10 years higher than in the other groups. Conclusion: Efforts to expand fire engine driving education programs for the prevention of traffic accidents involving 119 emergency vehicles are required.

A Survey Examining Satisfaction with Korean Medical Treatment in Pediatric Patients Recovering from Traffic-Accident Injuries (소아 교통사고 환자의 한방치료 만족도 조사)

  • Shim, Soo Bo;Lee, Hyun Hee;Lee, Hye Lim
    • Journal of Korean Medicine Rehabilitation
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    • v.31 no.4
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    • pp.145-156
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    • 2021
  • Objectives This study aims at using information about treatment satisfaction obtained from surveying pediatric traffic-accident patients to guide future improvement in the quality of traditional Korean medical services. Methods The survey included 95 pediatric patients treated for traffic-accident injuries at a traditional Korean medical institution. The questionnaire was developed from a similar satisfaction survey for adult traffic-accident patients and approved by a traditional Korean pediatrician. The year-long survey ran from April 2020 to April 2021. The collected data were analysed using t-tests, one-way analysis of variance, and cross-tabulation. Results Of the pediatric traffic-accident patients surveyed, the highest percentage of children were aged between 1 and 7 years (70.5%). Just over half the patients (55.8%) complained of sleeping difficulties, and 54.7% exhibited symptoms of anxiety and fear. Almost all the patients surveyed (97.9%) reported an improvement in their symptoms after undergoing traditional Korean medical treatment. The degree of satisfaction with the treatment correlated with the alleviation of symptoms. Approximately 83.2% of respondents reported 'difficult-to-administer treatment for children' and rated their satisfaction degree comparatively lower than those patients with no reported treatment difficulties. The most struggling treatment was herbal medicine (42.1%), highlighting the need for improvement in the adaptability of herbal medicine to the treatment of pediatric patients. Conclusions Treatment acceptance by pediatric traffic-accident patients affects reported treatment satisfaction. It is important to improve treatment experience and adaptability to pediatric patients to improve the perceived quality of traditional Korean medical services.