NATO Litter: Fluid Immersion System (FIS) Versus Traditional Mattress for Pressure Dispersion

Completed · Not applicable

Conditions studied: Pressure Distribution, Military Litters, Peak Pressure Index, Total Surface Area, Tissue Perfusion

In brief

The purpose of this study is to measure peak skin interface pressures and the total area of the body exposed to skin interface pressure above 30 mm Hg at different areas of the body in the supine position on two different support surfaces applied to a standard North Atlantic Treaty Organization (NATO) litter (NSN: 6530-01-380-7309) and a Raven 90C Litter (NSN6530-01-432-5114). The support surfaces are the Warrior Evacuation Litter Pad (WELP) and the Dolphin Fluid Immersion Simulation Stretcher System (FIS). These pressure measurements and transcutaneous oxygenation readings will allow us to determine differences between support surfaces.

Key facts

Study ID

NCT03483623

Run by

David Grant U.S. Air Force Medical Center

People needed

44

Starts

2018-03-21

Expected to finish

2018-10-19

Last updated by the study team

2020-03-25

Who can join

Age: 19 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Adults over the age of 18 years with lawful access to Travis Air Force Base (AFB)

You may not qualify if…

• Orthopedic or neurological conditions that prevent a subject from lying flat (supine) without any pillows for head, neck, or lumbar support
• Medical conditions (such as an uncontrollable tremor or twitch) that prevent a subject from staying still for the required periods of time (20 minute increments).
• Pregnancy
• Inability to ambulate unassisted, unstable gate (presenting increased fall risk)
• Extremity prosthetics (hand/arm or foot/leg)
• Height greater than 72 inches (6 feet) - exceeds length of the litter \& mattress surfaces
• Body weight greater than 300 lbs
• Subjects who find it difficult, uncomfortable or impossible to remain still for the necessary study time durations (20 minute increments) on the relatively narrow litter surfaces will be removed from the study.
• Subject does not speak or understand the English language

Where it is running

• David Grant Medical Center — Travis Air Force Base, California, United States

Full record on ClinicalTrials.gov

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