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MAST 96

A K Chang1, J Dunford, D B Hoyt

  • 1Trauma Research and Education Foundation, San Diego County Database, University of California, School of Medicine, USA.

The Journal of Emergency Medicine
|July 1, 1996
PubMed
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Military Anti-Shock Trousers (MAST suits) are still mandated in many states despite limited clinical utility. Usage has significantly declined, suggesting policy should guide use, not legislation.

Area of Science:

  • Emergency Medicine
  • Trauma Care
  • Medical Devices

Background:

  • The Military Anti-Shock Trouser (MAST) suit is a device used to support blood pressure in hypotensive trauma patients.
  • Previous human studies indicate limited clinical utility for the MAST suit.
  • Controversy exists regarding the necessity and efficacy of MAST suit deployment.

Purpose of the Study:

  • To determine the current usage of MAST suits across all 50 State Emergency Medical Services in the United States.
  • To analyze the trend in MAST suit usage in San Diego County over a seven-year period.
  • To evaluate the basis for continued MAST suit expenditure despite evidence gaps.

Main Methods:

  • A telephone survey was conducted with all 50 State Emergency Medical Services.

Related Experiment Videos

  • Data on MAST suit usage and inflation rates were collected.
  • Trends in San Diego County from 1987 to 1993 were analyzed.

    • Main Results:

    • 60% of states (30 states) still mandate carrying MAST suits on ambulances.
    • In San Diego County, MAST suit inflations for hypotensive blunt trauma patients decreased from 37% in 1987 to 2% in 1993.
    • Despite a lack of supporting efficacy data, states continue resource allocation for MAST suits.

    Conclusions:

    • MAST suit usage has significantly declined, reflecting a potential shift in clinical practice.
    • Continued state mandates for MAST suits appear disconnected from evidence of efficacy.
    • Clinical use of MAST suits should be guided by medical control philosophy, not legislative requirements.