Background: A new fractional photothermolysis device is used in our retrospective study to treat melasma in Chinese patients.
Objectives: To evaluate the efficacy and safety of the 1927 nm fractional thulium fiber laser in the treatment of melasma in Chinese patients.
Methods: Eleven melasma patients who received treatment between November 2009 and May 2010 were included. Photographic images at baseline and follow-up were assessed for clinical efficacy and complications by two independent and blinded physicians. Questionnaires were also completed by patients.
Results: Significant MASI improvements were seen at 1 week, 1 month and 2 months, but not at 3 months. Patients' degree of satisfaction was high. Significant improvement in skin texture and pore size was seen for up to 2 months and improvement in wrinkles for up to a month. There was no change in skin laxity. Main adverse effects seen were erythema, edema, and crusting in the early days. One patient developed PIH.
Conclusion: The novel 1927 nm fractional thulium fiber laser is safe and effective in the management of melasma in Chinese patients for up to 2 months. It is also useful in photo-rejuvenation. Complications were limited to erythema and edema in the early days, and transient PIH.
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http://dx.doi.org/10.3109/14764172.2012.761346 | DOI Listing |
Lasers Surg Med
November 2024
Department of Dermatology, University of California Irvine, Irvine, California, USA.
Objectives: To characterize the properties of cutaneous defects created by energy-based devices using optical coherence tomography.
Materials And Methods: Radiofrequency (RF) microneedling and non-ablative fractional laser (NAFL) treatment were performed in vivo with various parameters. Following treatment, optical coherence tomography (OCT) was used to image and measure cutaneous defects at multiple time points over a 24 h period.
Lasers Surg Med
September 2024
Department of Dermatology, Boston University School of Medicine, Boston, Massachusetts, USA.
Clin Cosmet Investig Dermatol
August 2024
Chun Aesthetic and Laser Clinic, Seoul, South Korea.
Background And Aims: Acne vulgaris remains one of the most common and problematic dermatological conditions. Recently, a fractional 1927 nm thulium laser has been developed with specific water absorption characteristics which may be of interest in the treatment of acne.
Subjects And Methods: Nine consecutive Korean subjects, 6 females and 3 males, ages ranging from 13 to 33 yr, presented with a mixture of inflammatory and noninflammatory acne.
Dermatol Surg
January 2025
Bausch Health Companies Inc, Bridgewater, New Jersey.
Lasers Med Sci
July 2024
Ministry of Health, Jamal Abdel Nasser street, PO Box 5, Sulibikhat, 2170, Kuwait.
Objective: To determine the effectiveness of picosecond KTP in reducing peri-ocular dark circles caused mainly by excessive pigmentation and to compare Picosecond KTP with Thulium laser ability in reducing the intensity and extent of peri-ocular dark circles.
Materials And Methods: This split-face prospective study included twelve women with periorbital dark circles (pigmented or mixed-pigmented type). The left lower eyelid was treated using the PicoHi machine (HIRONIC Ltd), a full beam Q-switched Nd-YAG provided by KTP crystal (523 nm) at settings of 0.
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