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Visualization of Wound Healing Progression With Near Infrared Spectroscopy: A Retrospective Study.

Adam Landsman1

  • 1Harvard Medical School, and Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, MA.

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|December 28, 2020
PubMed
Summary

Near infrared spectroscopy (NIRS) identified four distinct tissue oxygenation patterns in 25 patients, aiding in the prediction of diabetic foot and venous leg ulcer healing. This technology shows promise for wound care management.

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Wound Healing Research

Background:

  • Diabetic foot ulcers and venous leg ulcers present significant clinical challenges.
  • Accurate prediction of wound healing is crucial for effective patient management.
  • Current methods for assessing wound healing potential have limitations.

Purpose of the Study:

  • To investigate the utility of Near Infrared Spectroscopy (NIRS) in evaluating tissue oxygenation patterns.
  • To determine if NIRS can predict the healing outcomes of diabetic foot and venous leg ulcers.
  • To identify specific oxygenation patterns associated with successful wound closure.

Main Methods:

  • Retrospective analysis of 25 patients with diabetic foot or venous leg ulcers.
  • Regular NIRS tracking of wound beds and periwound tissues.
  • Correlation of NIRS data with clinical wound appearance and healing outcomes.
  • Classification of observed tissue oxygenation patterns.

Main Results:

  • Identification of four distinct tissue oxygenation patterns using NIRS.
  • These patterns showed value in predicting wound healing versus non-healing.
  • A proposed mechanism, Hyperperfusion, Imbibition, Neovascularization, and Trailing (HINT), explains observed healing patterns.
  • Correlation between specific NIRS patterns and wound closure was observed.

Conclusions:

  • NIRS provides both qualitative and quantitative data for clinical wound assessment.
  • This study demonstrates the potential role of NIRS in understanding wound healing.
  • The identified patterns lay the groundwork for future research into NIRS for predicting wound closure.