Military anti-shock trousers
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Military anti-shock trousers, or pneumatic anti-shock garments (PASG), are medical devices used to treat severe blood loss.
There is significant controversy over the use of MAST and most modern EMS and trauma programs have abandonded their use following data from a Cochrane review which indicated no mortality or survival benefit when MAST were applied to patients in shock.
I. G. Roberts et al. sought to quantify the effect on mortality and morbidity of the use of MAST in patients following trauma, and published the data in the Cochrane Database of Systematic Reviews.
- Mattox, Kenneth L. (January 2003). "Permissive Hypotension". 8:1. trauma.org.
- Bledsoe, Bryan (November 30, 2003). "EMS Myth #1: Medical Anti-Shock Trousers (MAST) autotransfuse a significant amount of blood and save lives". EMS World. Retrieved November 14, 2017.
- Roberts IG, Blackhall K, Dickinson KJ. "Medical anti-shock trousers (pneumatic anti-shock garments) for circulatory support in patients with trauma". Cochrane Database of Systematic Reviews 2007, Issue 2. Art. No.: CD001856. doi:10.1002/14651858.CD001856.
- U.S. Patent No. 3,933,150
- Grant, HD, Murray, Jr., RH. "History of G-suit and MAST" Emergency Care, 2nd ed. 1978.
- Davis JW, McKone TK, Cram AE. "Hemodynamic effects of military anti-shock trousers (MAST) in experimental cardiac tamponade". Annals of Emergency Medicine. 1981 Apr;10(4):185–6.
- Traverso LW, Lee WP, DeGuzman LR, Bellamy RF. "Military antishock trousers prolong survival after otherwise fatal hemorrhage in pigs". Journal of Trauma. 1985 Nov;25(11):1054–8.