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  • Title: Lasers for the treatment of nail psoriasis: a systematic review.
    Author: Jaalouk D, Algarin YA, Pulumati A, Humeda J, Nouri K.
    Journal: Int J Dermatol; 2024 Nov; 63(11):1484-1494. PubMed ID: 38858829.
    Abstract:
    This systematic review assesses the evidence concerning laser treatments for nail psoriasis (NP), a prevalent condition among individuals with cutaneous psoriasis that notably affects their quality of life. Traditional treatments have limitations in terms of drug delivery and poor patient adherence, leading to interest in laser therapies for their targeted approach, extended treatment intervals, and the potential to enhance topical medication effectiveness. The MEDLINE, Embase, Web of Science, and Cochrane Library databases were searched. English-language randomized and non-randomized controlled trials with full-text availability were included. Data on the laser type, treatment protocol, Nail Psoriasis Severity Index (NAPSI) outcomes, and adverse events were extracted, and nail bed and matrix features and patient satisfaction were assessed. The primary effect measure was a percentage reduction in NAPSI scores from baseline. Nineteen studies involving the pulse dye laser (PDL), long-pulsed neodymium:yttrium aluminum garnet (Nd:YAG) laser and fractional carbon dioxide laser (FCL) were identified. Lasers, particularly those used in conjunction with topical agents, have shown favorable results. PDL effectively lowered NAPSI scores, and the Nd:YAG laser had comparable effectiveness but more discomfort. FCL also shows promise, particularly for topical drug delivery. PDL and Nd:YAG laser treatment were more effective at reducing nail bed features, whereas FCL was effective at reducing both nail bed and matrix features. Overall, lasers are promising treatment alternatives for NP, with similar NAPSI outcomes to topical therapies and intralesional injections.
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