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J Am Acad Dermatol. 2017 Feb;76(2):321-326. doi: 10.1016/j.jaad.2016.03.004.

Treatment of recalcitrant port-wine stains (PWS) using a combined pulsed dye laser (PDL) and radiofrequency (RF) energy device.

Author information

  • 1Ronald O. Perelman Department of Dermatology, New York University Langone Medical Center, New York, New York; Laser and Skin Surgery Center of New York, New York, New York. Electronic address: yoonsoobae@yahoo.com.
  • 2Laser and Skin Surgery Center of New York, New York, New York.
  • 3Ronald O. Perelman Department of Dermatology, New York University Langone Medical Center, New York, New York; Laser and Skin Surgery Center of New York, New York, New York.

Abstract

BACKGROUND:

Pulsed dye laser (PDL) is the treatment of choice for port-wine stains (PWS). Some PWS are recalcitrant to this modality. A number of reasons for PDL treatment resistance have been described, including inadequate heat generation.

OBJECTIVE:

We evaluated PDL combined with radiofrequency (RF) energy into a single device to target larger and deeper blood vessels and overcome PDL resistance.

METHOD:

This was an open-label, prospective, single-center investigation of a novel device combining RF energy with PDL conducted to treat recalcitrant PWS. Ten patients with 11 recalcitrant PWS were enrolled. Each PWS was divided into 5 treatment areas: PDL alone, RF alone, PDL+RF, RF+PDL, and untreated control. Patients underwent a maximum of 6 treatments, scheduled 4 to 6 weeks apart with follow-up evaluation at 4 and 12 weeks after the final treatment. Colorimetry and standardized digital photography were performed at all visits. Lesional biopsy specimens were collected for selected patients.

RESULTS:

Areas treated with RF followed by PDL and PDL followed by RF showed the greatest improvement based on blinded review of digital photographs, reaching statistical significance (P value < .05) at the 12-week follow-up evaluation when compared with baseline. Adverse events, including purpura, erythema, edema, scabbing, crusting, and blistering, resolved without sequelae; a small residual scar was noted in 1 patient.

LIMITATIONS:

Small sample size and short follow-up period are limitations.

CONCLUSION:

Combined RF/PDL technology is promising for the treatment of recalcitrant PWS.

KEYWORDS:

cutaneous laser; pulsed dye laser; radiofrequency; recalcitrant port-wine stains

PMID:
28088993
DOI:
10.1016/j.jaad.2016.03.004
[PubMed - in process]
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