並列タイトル等交通外傷における救急隊の現場滞在時間に関連する要因とその地域差についての検討
一般注記type:Thesis
Background: The outcome of road traffic injury (RTI) is determined by duration of prehospital time, patient’s demographics,and the type of injury and its mechanism. During the emergency medical service (EMS) prehospital timeinterval, on-scene time should be minimized for early treatment. This study aimed to examine the factors influencingon-scene EMS time among RTI patients.Methods: We evaluated 19,141 cases of traffic trauma recorded between April 2014 and March 2020 in the EMSdatabase of the Nara Wide Area Fire Department and the prehospital database of the emergency Medical Alliancefor Total Coordination of Healthcare (e-MATCH). To examine the association of the number of EMS phone calls untilhospital acceptance, age ≥65 years, high-risk injury, vital signs, holiday, and nighttime (0:00–8:00) with on-scene time,a generalized linear mixed model with random effects for four study regions was conducted.Results: EMS phone calls were the biggest factor, accounting for 5.69 minutes per call, and high-risk injuryaccounted for an additional 2.78 minutes. Holiday, nighttime, and age ≥65 years were also associated with increasedon-scene time, but there were no significant vital sign variables for on-scene time, except for the level of consciousness.Regional differences were also noted based on random effects, with a maximum difference of 2 minutes amongregions.Conclusions: The number of EMS phone calls until hospital acceptance was the most significant influencing factorin reducing on-scene time, and high-risk injury accounted for up to an additional 2.78 minutes. Considering these factors,including regional differences, can help improve the regional EMS policies and outcomes of RTI patients.
博士（医学）・甲第880号・令和5年3月15日
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identifier:BMC emergency medicine Vol.22 No.1 Article No.160 (2022 Sep)
identifier:1471227X
identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/4112
identifier:BMC emergency medicine, 22(15): Article No.160
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