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Basic life support on small boats at sea.

M Tipton1, G David, C Eglin

  • 1Institute of Biomedical & Biomolecular Sciences, Department of Sport & Exercise Science, University of Portsmouth, UK. michael.tipton@port.ac.uk

Resuscitation
|June 19, 2007
PubMed
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Performing basic life support (BLS) at sea on small rescue boats is challenging. Rescue breathing and chest compressions are significantly impaired by boat motion and fatigue, reducing effectiveness.

Area of Science:

  • Maritime Safety
  • Emergency Medicine
  • Cardiopulmonary Resuscitation

Background:

  • Basic life support (BLS) is critical in maritime emergencies.
  • Fast rescue craft (FRC) are essential for maritime rescue operations.
  • Assessing BLS effectiveness in challenging sea conditions is vital.

Purpose of the Study:

  • To evaluate the performance of BLS by FRC crews at sea.
  • To compare BLS effectiveness on FRCs versus larger vessels.
  • To identify factors impairing BLS delivery in a dynamic maritime environment.

Main Methods:

  • BLS performance was tested on a 67m emergency response and rescue vessel (ERRV) and two FRCs (9.1m and 11.6m).
  • Tests were conducted in sea states ranging from 0.5 to 6 (13cm to 4m wave height) and wind speeds up to 35 knots.

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  • Nine FRC crew members participated in the study, with performance metrics analyzed for differences between vessel types.

    • Main Results:

    • BLS performance was significantly impaired on FRCs compared to the ERRV (P<0.05).
    • Impairments included over-inflation during rescue breathing and under-compression during chest compressions.
    • Chest compressions were significantly impaired above sea state 3 (wave height 61-92cm).

    Conclusions:

    • Maritime BLS effectiveness is significantly reduced on small FRCs due to motion-induced interruptions and crew fatigue.
    • The likelihood of successful continuous BLS on small boats in rough seas is poor.
    • Despite challenges, rescuers should continue to attempt BLS when practicable.