• C G Cayten, B M Berendt, D W Byrne, J G Murphy, and F H Moy.
• Department of Surgery, Our Lady of Mercy Medical Center, Bronx, New York.
• J Trauma. 1993 May 1;34(5):728-33; discussion 733-5.

AbstractThe effectiveness of a pneumatic antishock garment (PASG) on severely hypotensive trauma patients (BP < or = 50 mm Hg) was studied using two data sets. The first included data from eight hospitals collected over 4 1/2 years; the second included 2 years of data from an additional eight hospitals. Data were collected by trained nurse abstractors whose interrater reliability was extremely high for AIS and ISS scoring. One hundred forty-two patients had blood pressures < 50 mm Hg. The PASG patients had a higher survival rate than non-PASG patients (Pr = 0.055). The PASG appeared to have the most effect on patients with abdominal injuries since no patient with such an injury survived unless a PASG was applied. Controlling for severity using the TRISS method, z scores indicated that the survival rate in the PASG group was significantly higher than expected whereas that in the non-PASG group was similar to that predicted; the same pattern was found when blunt injury and penetrating injury patients were analyzed separately. Improvement in survival among PASG patients occurred despite an average scene time that was 4.7 minutes longer than that for non-PASG patients. No improvement in survival among PASG versus non-PASG patients with blood pressures of 50-70 mm Hg or in those with blood pressures of 90 mm Hg or less was found. We conclude that the use of PASG in severely hypotensive patients (BP < or = 50) should be considered medically acceptable pending randomized controlled studies.

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