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Er:YAG laser resurfacing using combined ablation and coagulation modes.
M A Trelles1, S Mordon, V Benítez
1Instituto Médico Vilafortuny/Antoni de Gimbernat Foundation, Cambrils, Spain. imv@tinet.fut.es
Summary
This study shows that a dual-mode Er:YAG laser can effectively resurface skin by first ablating the epidermis and then inducing controlled dermal thermal damage for collagenesis, yielding good long-term results.
Area of Science:
- Dermatology
- Aesthetic Medicine
- Laser Technology
Background:
- CO2 and Er:YAG lasers are mainstays in skin resurfacing, each with distinct pros and cons.
- Current methods often necessitate choosing between ablative or non-ablative laser approaches.
Purpose of the Study:
- To evaluate a dual-mode Er:YAG laser for skin resurfacing.
- To combine the epidermal ablation of Er:YAG with the deeper dermal coagulation of CO2 lasers.
- To achieve enhanced skin rejuvenation with minimal side effects.
Main Methods:
- Twenty-three female patients (ages 42-72, skin types I-IV) underwent treatment.
- The Er:YAG laser was used first in ablative mode for epidermal removal.
- The laser was then switched to subablative mode to induce controlled dermal thermal damage (RTD) without further ablation.
Main Results:
- Patient outcomes were assessed at 2 months post-treatment.
- Thirteen patients achieved "very good" results.
- Eight patients had "good" results, and two had "fair" results.
Conclusions:
- A dual-mode Er:YAG laser effectively removes the epidermis with minimal RTD.
- Subablative mode induces controlled dermal RTD, stimulating collagenesis and remodeling.
- This technique offers good long-term results for skin rejuvenation.