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Impact of Physician-staffed Helicopters on Pre-hospital Patient Outcomes: a systematic review

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  3. The handling oxygenation targets in the intensive care unit (HOT-ICU) trial: Detailed statistical analysis plan

    Research output: Contribution to journalJournal articleResearchpeer-review

  1. Long-term Survival and Cognitive Function According to Blood Pressure Management During Cardiac Surgery. A Follow-up

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Maintaining Competence in Airway Management

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Cervical Spine Clearance in Trauma Patients with an Unreliable Physical Examination

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  4. Clinical forensic medicine in Eastern Denmark: Organisation and assessments

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  5. Red blood cell transfusion in surgery: an observational study of the trends in the USA from 2011 to 2016

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Background: 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. Methods: 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. Results: 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. Conclusion: 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.

Original languageEnglish
JournalActa Anaesthesiologica Scandinavica
Volume64
Issue number5
Pages (from-to)691-704
Number of pages14
ISSN0001-5172
DOIs
Publication statusPublished - May 2020

    Research areas

  • cardiac, helicopter, stroke, trauma

ID: 59097143