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Dermatol Surg. 2016 Aug;42(8):952-60. doi: 10.1097/DSS.0000000000000767.

A Retrospective Analysis of the Treatment of Melasma Using a Fractional Long-Pulsed Alexandrite Laser in Korean Patients.

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1
*Department of Dermatology, College of Medicine, Hallym University, Anyang, Korea; †Hayannara Min Dermatology Clinic, Cheongju, Korea.

Abstract

BACKGROUND:

Long-pulsed, 755-nm, alexandrite lasers have been shown to be effective and safe in the treatment of pigmentary lesions.

OBJECTIVE:

Clinical outcomes and side effects in the treatment of melasma using a fractional, long-pulsed, alexandrite laser were assessed.

MATERIALS AND METHODS:

Forty-eight patients with melasma received 2 to 4 treatment sessions of fractional, long-pulsed, alexandrite laser at 2 to 3 weeks intervals. The parameter of treatment was 60 to 80 J/cm without dynamic cooling device using 15-mm spot size of fractional hand piece, with a 0.5- to 1-millisecond pulse width.

RESULTS:

The mean modified melasma area and severity index score decreased significantly 2 months after the final treatment compared with baseline (16.5 ± 8.2 vs 11.5 ± 7.0; p = .002). The patients with epidermal type melasma were more effective compared to dermal type (p < .001).

CONCLUSION:

Long-pulsed alexandrite lasers using a fractional hand piece are moderately effective in the treatment of melasma with low risk of adverse effects, and it is suggested that fractional, long-pulsed, alexandrite laser with combination of other modalities can be an additional therapeutic option in patients with melasma.

PMID:
27467229
DOI:
10.1097/DSS.0000000000000767
[Indexed for MEDLINE]

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