AI Article Synopsis
- The long pulsed 1064 nm Nd:YAG laser (LPND) is effective for reducing wrinkles and improving skin laxity, particularly for deeper skin layers due to its longer wavelength.
- A study involving 20 participants used a randomized split-face approach, demonstrating a 45.1% reduction in wrinkles and increased skin elasticity after three treatment sessions.
- The findings suggest that LPND can enhance skin appearance with minimal side effects and no serious complications, supporting the success of the new treatment parameters used.
Article Abstract
Introduction: Among non-ablative devices for wrinkle reduction and skin laxity, long pulsed 1064 nm Nd:YAG laser (LPND) has considerable effectiveness. It can penetrate to deep dermis due to its longer wavelength. This study assesses the efficacy and safety of LPND applying new parameters for skin rejuvenation in Korean subjects.
Methods: A prospective randomized split-faced study was done (n = 20). Half of the face was treated with three passes of LPND at a spot size of 12 mm, 20-24 J/cm(2) fluence, 12 ms width, and frequency of 2 Hz, for three sessions, every four weeks. Outcomes were measured by wrinkle evaluation of blinded investigators, subjects' self-assessment, objective measurements of elasticity, and skin biopsy.
Results: Four weeks after the final treatment sessions, the average wrinkle grades of the treated side were reduced by 45.1%. Skin elasticity was significantly increased. The increment of collagen and elastic fiber in papillary dermis was confirmed histologically. No adverse reaction was reported. Pain on the treated side was mild without needing anesthesia.
Discussion: The authors studied new parameters for LPND for improvement of wrinkles and skin laxity with fewer treatment sessions without serious complications. Histologic findings corresponded to clinical improvement.
Conclusion: New parameters of LPND can achieve wrinkle improvement with few side effects.
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| http://dx.doi.org/10.1111/ijd.12626 | DOI Listing |
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