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Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study

  • Authors:
    • Xiaorui Guo
    • Xiaojian Cai
    • Yudan Jin
    • Taohua Zhang
    • Bulin Wang
    • Qin Li
  • View Affiliations / Copyright

    Affiliations: Plastic Surgery, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China, Laser Cosmetics and Plastic Surgery, Zhongshan Second People's Hospital, Zhongshan, Guangdong 528400, P.R. China
    Copyright: © Guo et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 4136-4143
    |
    Published online on: August 14, 2019
       https://doi.org/10.3892/ol.2019.10743
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Abstract

Quickly-pulse-to-pulse (Q-PTP) is the latest dual pulse mode Q-switched neodymium-doped yttrium aluminum garnet [QS Nd:YAG (QSNY)] laser technology that improves efficacy and minimizes side effects. In this study, the safety, efficacy, and advantages of Q-PTP and single-pulse laser mode of 1064-nm QSNY in the treatment of melasma were compared. Twelve healthy women were enrolled in this split-face study. Q-PTP and single-pulse laser mode of 1064-nm QSNY were applied to the treatment side and the control side, respectively. Physician's global assessment, patients' self-assessment and the modified melasma area and severity index (mMASI) scores were used to quantify pigmentation changes. Side effects were recorded. Mean mMASI scores were decreased significantly at the 4th and 12th-week follow‑up visit compared to the baseline. Melasma lesion clearance was more than 50% in 58% of patients compared with the baseline. However, both sides of the same patient showed similar therapeutic effect. Minor pain experience and slighter skin erythema reaction were reported in Q-PTP laser mode treatment side compared with the control. No serious complications were found in any of the patients. Q-PTP laser mode of 1064-nm QSNY is an optimal laser therapy in the treatment of melasma with greater safety and superiority.
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Copy and paste a formatted citation
Spandidos Publications style
Guo X, Cai X, Jin Y, Zhang T, Wang B and Li Q: Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study. Oncol Lett 18: 4136-4143, 2019.
APA
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., & Li, Q. (2019). Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study. Oncology Letters, 18, 4136-4143. https://doi.org/10.3892/ol.2019.10743
MLA
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., Li, Q."Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study". Oncology Letters 18.4 (2019): 4136-4143.
Chicago
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., Li, Q."Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study". Oncology Letters 18, no. 4 (2019): 4136-4143. https://doi.org/10.3892/ol.2019.10743
Copy and paste a formatted citation
x
Spandidos Publications style
Guo X, Cai X, Jin Y, Zhang T, Wang B and Li Q: Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study. Oncol Lett 18: 4136-4143, 2019.
APA
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., & Li, Q. (2019). Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study. Oncology Letters, 18, 4136-4143. https://doi.org/10.3892/ol.2019.10743
MLA
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., Li, Q."Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study". Oncology Letters 18.4 (2019): 4136-4143.
Chicago
Guo, X., Cai, X., Jin, Y., Zhang, T., Wang, B., Li, Q."Q-PTP is an optimized technology of 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser in the laser therapy of melasma: A prospective split-face study". Oncology Letters 18, no. 4 (2019): 4136-4143. https://doi.org/10.3892/ol.2019.10743
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