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Nd:YAG laser treatment for keloids and hypertrophic scars: An analysis of 102 cases

Plastic and Reconstructive Surgery - Global Open, ISSN: 2169-7574, Vol: 2, Issue: 12, Page: e272
2014
  • 64
    Citations
  • 0
    Usage
  • 51
    Captures
  • 0
    Mentions
  • 28
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    64
  • Captures
    51
  • Social Media
    28
    • Shares, Likes & Comments
      28
      • Facebook
        28

Article Description

Background: The present retrospective cohort study was performed to determine the efficacy of contact-mode 1064 nm neodymium-yttrium-aluminum-garnet (Nd:YAG) laser laser for keloids and hypertrophic scars. The indication and limitations of this modality are discussed. Methods: The cohort consisted of 102 consecutive Japanese patients (23 males and 79 females) with keloids and hypertrophic scars for more than 1 year. They were treated every 3–4 weeks for 1 year with a long-pulsed 1064 nm Nd:YAG laser (Cutera, Brisbane, Calif.) in contact mode. Thirty-eight patients had hypertrophic scars and 64 had keloids. The scars were evaluated before the treatment commenced and 1 month after the last session by using the Japan Scar Workshop Scar Scale 2011. Recurrence was assessed at 6 months after the termination of treatment. Results: The average total Japan Scar Workshop score of the keloid and hypertrophic scar region groups dropped significantly after 1 year of treatment compared with before treatment (all P < 0.05). None of the hypertrophic scars or keloids deteriorated. However, 3 of the 34 anterior chest keloids (8.8%) did not respond. The following recurrence rates were observed 6 months after stopping laser treatment: 1 of the abdomen hypertrophic scars (4%), 18 of the anterior chest keloids (52.9%), 5 of the upper arm keloids (35.7%), and 4 of the scapula keloids (25%). Conclusions: Hypertrophic scars responded significantly better to 1064 nm Nd:YAG laser treatment than keloids. However, keloid recurrence occurred when there was remaining redness and induration, even if only a small part of the scar was affected.

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