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Updated: Jan 31, 2026
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Demonstration of the Rat Ischemic Skin Wound Model
Published on: April 1, 2015
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Skin Perfusion Pressure and Wound Closure Time in Lower Extremity Wounds
Kazu Suzuki1, Zoe Birnbaum1, Ryan Lockhart1
1Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
The Journal of the American College of Clinical Wound Specialists
|December 29, 2018
Summary
Skin Perfusion Pressure (SPP) over 30 mmHg correlates with faster lower extremity wound healing. Lower SPP values indicate significantly longer healing times, informing treatment decisions.
Area of Science:
- Vascular Medicine
- Wound Healing Research
- Medical Diagnostics
Background:
- Peripheral Arterial Disease (PAD) impacts millions in the US.
- Lower extremity wounds present a significant clinical challenge.
- Understanding factors influencing wound closure is crucial for patient outcomes.
Purpose of the Study:
- To investigate the relationship between Skin Perfusion Pressure (SPP) and lower extremity wound closure time.
- To determine if SPP can predict healing duration.
- To assess SPP's utility in guiding vascular interventions.
Main Methods:
- Retrospective analysis of 1125 lower extremity wounds in 998 patients.
- SPP measured using a Laser Doppler instrument.
- Correlation analysis between SPP values and wound closure time.
Main Results:
- Wounds with SPP > 30 mmHg closed significantly faster than those with SPP < 30 mmHg.
- Diabetic patients experienced longer wound closure times compared to non-diabetics.
- No significant association found between SPP and closure time concerning age or gender.
Conclusions:
- SPP is a valuable, non-invasive tool for estimating lower extremity wound healing time.
- SPP measurements can aid in assessing the need for vascular interventions.
- This metric assists in clinical decision-making for wound management.
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