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- Title
Impact of Physician-staffed Helicopters on Pre-hospital Patient Outcomes: A systematic review.
- Authors
Risgaard, Bjarke; Draegert, Christina; Baekgaard, Josefine S.; Steinmetz, Jacob; Rasmussen, Lars S.
- Abstract
<bold>Background: </bold>Management of pre-hospital patients remains a challenge. In developed countries a physician-staffed helicopter emergency medical service (PS-HEMS) is used in addition to ground emergency medical service (GEMS), but the effect is debated. This systematic review aimed to evaluate the effect of PS-HEMS compared with GEMS on patient outcomes based on the published scientific literature.<bold>Methods: </bold>Medline, EMBASE and the Cochrane Library were systematically searched on November 15, 2019 for prospective, interventional studies comparing outcomes of patients transported by either PS-HEMS or GEMS. Outcomes of interest were mortality, time to hospital and quality of life.<bold>Results: </bold>The majority of 18 studies included were observational and difficult to summarize because of heterogeneity. Meta-analysis could not be carried out. Three studies found reduced mortality in patients transported by PS-HEMS compared with GEMS with Odds ratios (OR) of 0.68 (0.47-0.98); 0.29 (0.10-0.82) and 0.21 (0.06-0.73) respectively. Another two studies found improved survival with OR 1.2 (1.0-1.5) and 6.9 (1.48-32.5) in patients transported by PS-HEMS compared with GEMS. In three studies, PS-HEMS was associated with shorter time to hospital. Three studies reported quality of life and found no benefit of PS-HEMS.<bold>Conclusion: </bold>In this systematic review the studies comparing PS-HEMS with GEMS were difficult to summarize because of heterogeneity. We found a possible survival benefit of PS-HEMS but were unable to conduct a meta-analysis. The overall quality of evidence was low.
- Subjects
META-analysis; AIRPLANE ambulances; SCIENTIFIC literature; EMERGENCY medical services; HELICOPTERS; DEVELOPED countries; AMBULANCES; SYSTEMATIC reviews; HEALTH outcome assessment; AIRPLANES; PHYSICIANS; LONGITUDINAL method
- Publication
Acta Anaesthesiologica Scandinavica, 2020, Vol 64, Issue 5, p691
- ISSN
0001-5172
- Publication type
journal article
- DOI
10.1111/aas.13547