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  • Fixed, low radiant exposure vs. incremental radiant exposure approach for diode laser hair reduction : a randomized, split axilla, comparative single-blinded trial
    Pavlović, Miloš, 1966- ; Adamič, Metka, 1960- ; Nenadić, Dane B.
    Background: Diode lasers are the most commonly used treatment modalities for unwanted hair reduction. Only a few controlled clinical trials but not a single randomized controlled trial (RCT) compared ... the impact of various laser parameters, especially radiant exposure, onto efficacy, tolerability and safety of laser hair reduction. Objective: To compare the safety, tolerability and mid-term efficacy of fixed, low and incremental radiant exposures of diode lasers (800 nm) for axillary hair removal, we conducted an intrapatient, left-to-right, patient- and assessor-blinded and controlled trial. Methods: Diode laser (800 nm) treatments were evaluated in 39 study participants (skin type II-III) with unwanted axillary hairs. Randomization and allocation to split axilla treatments were carried out by a web-based randomization tool. Six treatments were performed at 4- to 6-week intervals with study subjects blinded to the type of treatment. Final assessment of hair reduction was conducted 6 months after the last treatment by means of blinded 4-point clinical scale using photographs. The primary endpoint was reduction in hair growth, and secondary endpoints were patient-rated tolerability and satisfaction with the treatment, treatment-related pain and adverse effects. Results: Excellent reduction in axillary hairs (>-76%) at 6-month follow-up visit after receiving fixed, low and incremental radiant exposure diode laser treatments was obtained in 59% and 67% of study participants respectively (Z value: 1.342, P = 0.180). Patients reported lower visual analogue scale (VAS) pain score on the fixed (4.26) than on the incremental radiant exposure side (5.64) (P < 0.0003). The only side-effect was mild and transient erythema. Subjects better tolerated the fixed, low radiant exposure protocol (P = 0.03). The majority of the study participants were satisfied with both treatments. Conclusion: Both low and incremental radiant exposures produced similar hair reduction and high and comparable patient satisfaction. However, low radiant exposure diode laser treatments were less painful and better tolerated.
    Source: JEADV. - ISSN 0926-9959 (Vol. 29, no. 12, Dec. 2015, str. 2377-2381)
    Type of material - article, component part
    Publish date - 2015
    Language - english
    COBISS.SI-ID - 32355289

source: JEADV. - ISSN 0926-9959 (Vol. 29, no. 12, Dec. 2015, str. 2377-2381)
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