Sunday, November 15, 2015


Article: Retrospective evaluation of prehospital triage, presentation, interventions and outcome in paediatric drowning managed by a physician staffed helicopter emergency medical service. 

(click here to access)

Authors: Garner AA, Barker CL, Weatherall AD
Journal: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, Nov 2015

To start off, cheers to these authors for sticking to the Utstein reporting template for drowning, focusing on teasing out initial clinical factors and correlating them to neurologic outcome.  Studies like these make me jealous for the providers who work in systems where they can easily and seamlessly connect pre-hospital and hospital data to track a patient's course from injury to disposition.

In a nutshell, the authors conducted a retrospective cohort analysis of pediatric drowning patients treated and transported by a physician staffed helicopter emergency medical service (P-HEMS) in Australia.  Their aim was to "describe all paediatric drowning patients treated by a P-HEMS comparing the initial presentation on arrival of the service at the incident scene, interventions performed, and survival rates with neurological outcome."

Summary of findings:
  • 42 total patients
    • Median age 2.8 years
    • 29 patients had Injury Severity Score > 15 (they were critically ill)
  • Outcome
    • 10 patients died within 30 days (5 died in Emergency Dept, 5 died while inpatient)
      • All patients had GCS 3 on scene
    • All patients with GCS ≥ 8 on arrival of HEMS had survival with good neurologic
    • In patients with GCS < 8 
      • GCS 3 + Cardiac arrest @ Emergency Dept --> 100% died
      • GCS 3 + ROSC @ Emergency Dept
        • 7/8 died
        • 1/8 survived with good neuro (initially asystole on scene)
      • GCS 4 - 7: 7/8 survived with good neuro, one survived with bad neuro
Conclusions:
  • All patients with GCS > 3 on arrival of HEMS survived
  • An initial GCS > 8 on arrival of HEMS associated with full recovery
  • No patient survived who did not have spontaneous circulation on arrival to Emergency Dept
Discussion:

While this study did not provide sufficient evidence to correlate HEMS interventions with outcome, it did add to the understanding of prognosis associated with initial patient condition.  An increased initial GCS was associated with improved outcome, which has been shown before in the literature. Very good adherence to the Utstein template, showing promise for future similar studies to help us better understand the burden of fatal and non-fatal drowning, and associated prognostic factors.

References:


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