• Medicina · Oct 2023

    Laser Impacts on Skin Rejuvenation: The Use of a Synergistic Emission of CO2 and 1540 nm Wavelengths.

    • Stefania Belletti, Francesca Madeddu, Antonino Brando, Eugenio Provenzano, Steven Paul Nisticò, Irene Fusco, and Luigi Bennardo.
    • Private Practice, Studio Kalos, 20100 Milan, Italy.
    • Medicina (Kaunas). 2023 Oct 19; 59 (10).

    AbstractBackground and Objectives: For nearly 15 years, carbon dioxide (CO2) laser has been the gold standard in skin rejuvenation. Aim: The purpose of this study was to assess the efficacy of a new laser device which combines CO2 and 1540 nm wavelengths in wrinkles reduction, using a recently developed scanning unit named the µScan DOT scanner. Materials and Methods: A total of 20 female patients underwent from two to four laser treatment sessions performed once every 45-90 days. Wrinkles reduction was evaluated using the Fitzpatrick Wrinkle Classification System (FWCS). Evaluations of five-point Global Patient's Assessment (PGA) and an Oedema and Erythema index based on a four-point scale were carried out. A careful photographic evaluation was performed to observe the patients' aesthetic improvements. All the assessments were performed before and at 3 months follow up (3 MFU) after the last treatment session. Results: The mean FWCS score significantly (p < 0.01) decreased from 5.45 ± 2.21 at baseline to 3.3 ± 1.78 at 3 MFU after the last treatment session. In total, 8/20 (40%) subjects reported excellent improvement, 7/20 (35%) subjects showed good improvement, 5/20 (25%) subjects showed slight improvement, and 0/20 (0%) subjects showed no improvement. Concerning the Oedema index, 15/20 subjects experienced a mild one, 5/20 subjects experienced a moderate one, and none of 20 experienced a severe one, while for the Erythema index, 1/20 patients experienced mild, 18/20 patients experienced moderate, and only 1/20 patient experienced severe erythema. No severe adverse events were observed. Conclusions: This dual-wavelength laser technique may become a promising new option for safe, nonsurgical improvement for skin rejuvenation with an extremely low risk of scarring or hypopigmentation and shorter healing times.

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