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Preventing Scars after Injury with Partial Irreversible Electroporation
Alexander Golberg1, Martin Villiger2, Saiqa Khan3
1Center for Engineering in Medicine, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, and the Shriners Burns Hospital, Boston, Massachusetts, USA; Porter School of Environmental Studies, Tel Aviv University, Tel Aviv, Israel.
The Journal of Investigative Dermatology
|July 10, 2016
Summary
Nonthermal partial irreversible electroporation significantly reduced scar area by 57.9% in burn injuries. This noninvasive method shows promise for regenerative medicine by improving scar structure.
Area of Science:
- Regenerative Medicine
- Trauma Medicine
- Biomedical Engineering
Background:
- Hypertrophic scars significantly impact regenerative and trauma medicine.
- Current treatments for scars have limitations.
- Developing noninvasive scar prevention methods is crucial.
Purpose of the Study:
- To introduce and evaluate a noninvasive method for preventing scar formation.
- To optimize treatment parameters for nonthermal partial irreversible electroporation (nPIR).
- To assess the efficacy of nPIR in reducing scar area and improving scar structure.
Main Methods:
- Contact burn injuries were induced in a rat model.
- Treatment involved nonthermal partial irreversible electroporation (nPIR) with optimized parameters (200 pulses, 250 V, 70 μs, 3 Hz).
- Scar assessment utilized histology and polarization-sensitive optical coherence tomography (PS-OCT).
Main Results:
- nPIR treatment resulted in a 57.9% reduction in scar surface area compared to controls.
- Histological and PS-OCT analyses indicated structural improvements in treated scars, approaching normal skin characteristics.
- Optimized nPIR parameters were identified for scar reduction.
Conclusions:
- Nonthermal partial irreversible electroporation is a promising noninvasive strategy for scar prevention.
- The study demonstrates significant scar reduction and structural improvement.
- Further research is needed to validate findings in human models due to species differences in scarring.
