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Wound sterilization: CO2 laser versus iodine.

M M al-Qattan¹, M F Stranc, M Jarmuske

¹Section of Plastic Surgery, University of Manitoba, Winnipeg, Canada.

British Journal of Plastic Surgery

|July 1, 1989

Summary

The CO2 laser effectively sterilizes infected surgical wounds, significantly reducing Pseudomonas aeruginosa compared to Betadine. This offers a promising new method for wound infection control.

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Area of Science:

Surgical Infection Control
Medical Device Technology
Wound Healing Research

Background:

Surgical wound infection control is a persistent clinical challenge.
Effective sterilization is crucial, particularly when re-operation is necessary.
Existing methods like surgical skin preparation may have limitations.

Observation:

A comparative study was conducted on experimentally infected rabbit wounds.
One wound was treated with CO2 laser, the contralateral wound with Betadine (povidone-iodine).
Quantitative bacterial counts were performed post-treatment.

Findings:

CO2 laser treatment resulted in less than 10% residual Pseudomonas aeruginosa.
Betadine treatment left nearly 40% of wounds infected.
The difference in infection rates was statistically significant (P < 0.005).

Implications:

The CO2 laser demonstrates superior efficacy in sterilizing infected surgical wounds.
This technology presents a potential advancement in managing surgical site infections.
Further clinical evaluation of CO2 laser for wound sterilization is warranted.

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