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Erythema after cutaneous laser resurfacing using a porcine model
M T Speyer1, L Reinisch, K A Cooper
1Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, Tenn 37232-2559, USA.
Archives of Otolaryngology--Head & Neck Surgery
|September 17, 1998
Summary
The short-pulsed carbon dioxide laser significantly reduces postoperative erythema compared to continuous-wave lasers. Postoperative treatment methods showed no significant difference in erythema reduction.
Area of Science:
- Dermatology
- Laser Technology
- Wound Healing
Background:
- Carbon dioxide (CO2) lasers are utilized for cutaneous resurfacing.
- Continuous-wave CO2 lasers are linked to postoperative erythema, while short-pulsed lasers may offer reduced erythema due to shorter pulse durations.
- Objective comparisons using digital photography and analysis of varying postoperative treatments are limited.
Purpose of the Study:
- To quantitatively compare postoperative erythema following cutaneous resurfacing with two distinct CO2 laser systems.
- To evaluate the efficacy of different postoperative treatment modalities in mitigating erythema.
- To provide objective data on laser resurfacing outcomes and wound care.
Main Methods:
- 240 resurfacing wounds were created on 8 piglets using continuous-wave and short-pulsed CO2 lasers.
- Erythema was measured using digital photography and computed color analysis at multiple time points (days 0, 1, 3, 5, 7, 14).
- Histological analysis of tissue samples was performed on days 0, 3, 7, and 14.
Main Results:
- The short-pulsed CO2 laser demonstrated an average of 22% less erythema compared to the continuous-wave laser (P<.001).
- No statistically significant differences in erythema resolution were observed among the tested postoperative treatment methods (petroleum jelly, Vigilon, Crisco, or antibiotic ointment) (P>.10).
Conclusions:
- Short-pulsed CO2 laser resurfacing is associated with significantly less postoperative erythema than continuous-wave CO2 laser resurfacing.
- The choice of postoperative treatment among petroleum jelly, Vigilon, Crisco, or a triple antibiotic ointment has minimal impact on erythema reduction.