Related Experiment Video
Updated: May 30, 2026

Methods for Acute and Subacute Murine Hindlimb Ischemia
Published on: June 21, 2016
The ischemic threshold of the extremity.
Shaun M Gifford1, Brandon W Propper, Jonathan L Eliason
1San Antonio Military Medicine Center Consortium, TX, USA.
Military research focuses on limb salvage after vascular injury, aiming to preserve limb function over statistical survival. Understanding the critical 6-hour ischemic threshold is key for developing better battlefield treatments.
Area of Science:
- Military medicine
- Trauma surgery
- Vascular surgery
Background:
- Focus on functional limb salvage over statistical salvage for traumatic vascular injuries.
- Dysfunctional limbs can be a worse outcome than amputation.
- Need for translatable animal research and field surgeon reports to improve care.
Purpose of the Study:
- Develop a swine model for battlefield extremity vascular injuries.
- Evaluate scenarios relevant to traumatic injury.
- Focus on achieving functional limb salvage.
Main Methods:
- Developed a swine model to simulate battlefield extremity vascular injuries.
- Investigated acute vascular injury and ischemia reperfusion.
- Modeled scenarios encountered in traumatic extremity vascular injury.
Main Results:
- Established a threshold for meaningful limb recovery at less than 6 hours.
- The developed swine model is suitable for evaluating battlefield injuries.
- The model focuses on functional limb salvage.
Conclusions:
- A swine model has been developed to study traumatic extremity vascular injury.
- Future research should explore factors influencing ischemic threshold.
- Therapeutic and physical maneuvers to prolong ischemic threshold require testing.
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