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Updated: Feb 9, 2026

Demonstration of the Rat Ischemic Skin Wound Model
Published on: April 1, 2015
Near-Infrared Spectroscopy Imaging for Assessing Skin and Wound Oxygen Perfusion
Adam S Landsman1, Darrell Barnhart2, Michael Sowa2
1Division of Podiatric Surgery, Department of Surgery, Cambridge Health Alliance, Harvard Medical School, 1493 Cambridge Street, Floor 2, Cambridge, MA 02139, USA.
Near infrared spectroscopy (NIRS) assesses tissue oxygen perfusion by analyzing light absorption. This technology can predict skin flap viability, wound healing, and closure progress after biologic product application.
Area of Science:
- Biomedical optics
- Medical imaging technologies
Background:
- Near infrared spectroscopy (NIRS) utilizes light transmission to assess tissue oxygenation.
- Oxygenated and deoxygenated hemoglobin levels are calculated via light absorption and reflection.
- Tissue oxygen perfusion is a critical indicator of tissue health and healing potential.
Observation:
- An NIRS imaging device was utilized as a clinical tool.
- The device's efficacy was demonstrated in predicting clinical outcomes.
- Several patient cases were examined to validate the observations.
Findings:
- NIRS imaging accurately predicted the future viability of skin flaps.
- The technique showed potential in forecasting wound healing progression.
- NIRS effectively monitored the progress of wound closure after biologic product application.
Implications:
- NIRS imaging offers a non-invasive method for assessing tissue perfusion in clinical settings.
- This technology can guide treatment decisions for skin flaps and wounds.
- NIRS can optimize the application and evaluation of biologic wound products.
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