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Dermatol Surg. 2018 Nov;44(11):1402-1410. doi: 10.1097/DSS.0000000000001565.

Sustained Benefit After Treatment of Acne Vulgaris Using Only a Novel Combination of Long-Pulsed and Q-Switched 1064-nm Nd: YAG Lasers.

Author information

1
Physicians Laser and Dermatology Institute, Chicago, Illinois.
2
Department of Dermatology, Rush University Medical School, Chicago, Illinois.
3
Department of Dermatology, University of Illinois at Chicago, Chicago, Illinois.
4
Department of Dermatology and Biomedical Engineering, Northwestern University, Chicago, Illinois.

Abstract

BACKGROUND:

Acne vulgaris remains a challenging disease to treat in many patients. Traditional therapies may have limited successes with potential side effects. Laser and light energy devices may offer a desirable alternative.

OBJECTIVE:

To evaluate the effectiveness and safety in using a combination laser approach with both long-pulsed (LP) and Q-switched (QS) Nd:YAG lasers in the treatment of active acne.

METHODS:

Twenty patients with moderate to severe inflammatory acne were treated with LP YAG laser followed immediately with QS YAG laser. Patients received at least 8 treatments. Follow-up evaluation occurred at a minimum of 12 months. Pre- and post-treatment photographs were graded by blinded physicians. All topical acne medications and oral antibiotics were discontinued throughout the therapy and follow-up period.

RESULTS:

There was a 81% reduction in acne lesions, with 60% of patients having 90% or greater reduction. Overall appearance was graded at 84% improvement at follow-up. Follow-up occurred at a mean of 22.7 months after completion of therapy. Aside from transient erythema, there were no other adverse effects.

CONCLUSION:

Active acne can be treated successfully with a combination of LP and QS YAG lasers with patients remaining off acne medications throughout laser therapy and the follow-up period.

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