Dermatologic surgerySafety of a picosecond laser with diffractive lens array (DLA) in the treatment of Fitzpatrick skin types IV to VI: A retrospective review
Section snippets
Methods
The Essex Institutional Review Board approved this study (PICOSAFETY2014). This was a retrospective nonrandomized study of patients with Fitzpatrick skin type IV to VI who received treatment with the 755-nm picosecond laser with DLA. Patients were recruited from a single private practice by chart review from November 2011 to September 2014. Inclusion criteria included age greater than 18 years, Fitzpatrick skin type IV to VI, and treatment with the 755-nm picosecond laser with DLA. The
Patient population
Fifty-six patients with Fitzpatrick skin type IV to VI were identified as having undergone treatment with the 755-nm picosecond laser with DLA during the period of November 2011 to September 2014. Of these, 47 were women and 9 were men. The average age was 33.5 years. Of those treated, 35 (62.5%) were categorized as having type IV skin, 12 (21.4%) had type V skin, and 9 (16.1%) had type VI skin. Treatment indications included acne scars (54.5%) (Figs 2 and 3) and other scars (5.20%),
Discussion
There is a significant demand for cosmetic laser treatments in general, and in patients with skin of color specifically. The number of dark-skinned patients requesting cosmetic procedures in the United States continues to increase. In 1999, 14% of the 4.6 million surgical and nonsurgical aesthetic procedures were performed on non-Caucasians.30 The percentage of aesthetic procedures performed on ethnic minorities increased to 22% in 2013.31
The 755-nm picosecond laser has been shown to be an
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2022, Facial Plastic Surgery Clinics of North AmericaCitation Excerpt :The pulse width of the QS Nd:YAG is not sufficient to engender vasospasm in vessels; however, some improvement of the erythema index can be noted if present along with pigmentation.23 A new emerging therapy for the treatment of pigmentary disorders is the picosecond laser.24–26 A retrospective study by Levin and colleagues27 showed comparable improvement of pigmented lesions, side effects, and patient satisfaction between the QSL group and 755 nm alexandrite picosecond laser in patients with Fitzpatrick skin types III–VI.
Picosecond lasers in cosmetic dermatology: where are we now? An overview of types and indications
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Funding sources: None.
Disclosure: Dr Brauer is a consultant for Miramar, received honoraria from Cynosure/Palomar, and is on the medical advisory board for Cynosure. Dr Bae is a consultant for BioSpecifics Technology and Allergan. Dr Geronemus received honoraria from Cynosure/Palomar; has stock ownership or options with Zeltiq and OnLight Sciences; and is on medical advisory boards for Zeltiq, Syneron/Candela, and Cynosure/Palomar. Dr Haimovic has no conflicts of interest to declare.