The Impact of Helicopter Emergency Medical Service Night Operations in South East England.
Air Medical Journal · 2017-01-01 · Observational study
Abstract
OBJECTIVE: This study sought to assess the impact of a helicopter emergency medical service (HEMS) capable of night operations. METHODS: This is a retrospective case review of all night HEMS missions attended by a charity air ambulance service in South East England over a 2-year period (October 1, 2013, to October 1, 2015). RESULTS: During the 2-year trial period, the HEMS service undertook a total of 5,004 missions and attended to 3,728 patients. Of these, 1,373 missions, or 27.4% of the total HEMS activity, were night missions. Night missions increased from year 1 (n = 617) to year 2 (n = 756). A mean of 1.9 missions per night were conducted, resulting in the treatment of 1.3 patients per night. A higher proportion of patients were transported to a major trauma center at night (64% vs. 51%, χ2 = 41.8, P < .0001). Weather conditions prevented HEMS from responding at night via air for 15% of the night operational hours. CONCLUSION: A 2-year trial period of a night HEMS service in South East England showed the predicted activation rate, with a mean of 1.3 patients attended to per night. Patients transported to a major trauma center had a mean Injury Severity Score of 23. Further research is warranted to determine if the night HEMS service conveys a patient outcome benefit.
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Tags
Critical care & advanced paramedics · Helicopter & air ambulance · Time intervals · Weather & air pollution
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