Efficacy and Safety of a Low-Energy Double-Pass 1450-nm Diode Laser for the Treatment of Acne Scars

Wada, Tamae; Kawada, Akira; Hirao, Ayaka; Sasaya, Haruyo; Oiso, Naoki

doi:10.1089/pho.2011.3063

Cited by 15 publications

(14 citation statements)

References 16 publications

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“…24 The nonablative laser has been shown to dramatically and safely improve inflammatory facial acne by partially damaging sebaceous glands to reduce sebum secretions. 25 The 1450-nm diode laser has demonstrated greater scar response after treatment than the nonablative 1320-nm Nd:YAG laser; this quality has been particularly helpful for patients with acne scarring.…”

Section: -Nm Diode Laser (Candela Smoothbeam)mentioning

confidence: 99%

Current Laser Resurfacing Technologies: A Review that Delves Beneath the Surface

Preissig

Hamilton

Markus

2012

Seminars in Plastic Surgery

137

134

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).Laser resurfacing technologies represent an exciting development in the cosmetic surgeon's repertoire to improve the tone, texture, and pigmentation of the skin. Although laser resurfacing is not a substitute for a facelift or blepharoplasty, the appropriate laser not only tightens the skin somewhat but also improves the appearance of lentigines, rhytides, skin texture, and a wide variety of scars.There are ablative and nonablative lasers as well as fractionated and nonfractionated lasers. Nonfractionated lasers act on the entire projected surface area of the treated skin, whereas fractionated lasers target an equally distributed portion of the projected area. An easy way to understand the difference is in looking at the pixels that compose a TV image. Nonfractionated devices treat every single pixel whereas fractionated devices treat only a percentage of the pixels in the treatment area.Ablative lasers vaporize tissue and therefore are more aggressive compared with the gentler nonablative lasers that leave the skin intact. Although ablative lasers result in far more down time and a more difficult recovery process, they remain the lasers that produce the most dramatic outcomes. For more severe facial wrinkles, dyspigmentation, and textural skin challenges, the ablative laser is often the treatment of choice.For patients seeking more moderate improvement-without the possible side effects of ablative lasers-nonablative lasers are often ideal. These lasers leave the epidermis intact while producing rejuvenating skin effects. Depending on the technology, nonablative laser treatments may minimize the appearances of finer wrinkles, ameliorate the texture and tone of the skin, and treat dyspigmentation. By comparison, the treatments are gentler and require little to no downtime, but produce a more moderate response.Ultimately, a patient's needs dictate the selection of the ideal laser. In this review, we seek to demystify the differences between the many available lasers and thereby facilitate the identification of the most appropriate laser for the patient. Ablative Nonfractionated LasersAblative skin resurfacing removes the epidermal layer, producing the most dramatic laser-treated results for skin resurfacing. The lasers quickly superheat water molecules in the skin tissue. When the water turns into gas, the skin cells are vaporized in a precise skin-peeling effect. This effect promotes collagen formation and retraction of the dermis and AbstractNumerous laser platforms exist that rejuvenate the skin by resurfacing its upper layers. In varying degrees, these lasers improve the appearance of lentigines and rhytides, eliminate photoaging, soften scarring due to acne and other causes, and treat dyspigmentation. Five major classes of dermatologic lasers are currently in common use: ablative and nonablative lasers in both fractionated and unfractionated forms as well as radiofrequency technologies. The gentler nonablative lasers allow for quicker healing, whereas harsher ablative lasers tend to be more effective. Fract...

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Section: -Nm Diode Laser (Candela Smoothbeam)mentioning

confidence: 99%

Current Laser Resurfacing Technologies: A Review that Delves Beneath the Surface

Preissig

Hamilton

Markus

2012

Seminars in Plastic Surgery

137

134

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“…At the 3-month follow-up evaluation, 92.9% of the subjects with >30% improvement maintained the effectiveness. Vescicle formation and transient hyperpigmentation also occurred in one case [65].…”

Section: Laser Treatmentmentioning

confidence: 86%

“…Skin surface texture was improved by the both systems, but the 1,450 nm diode laser induced more significant change, at the 6 months following [64]. More recently, Wada et al [65] evaluated efficacy and safety of a low-energy double-pass 1450-nm diode laser for the treatment of acne scars. After five treatment sessions, seventy-five percent of the subjects showed at least 30% improvement of acne scars.…”

Section: Laser Treatmentmentioning

confidence: 99%

The Management of Atrophic Acne Scars: Overview and New Tools

Fabbrocini¹

2013

J Clin Exp Dermatol Res

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“…The non‐ablative 1,450 nm diode laser is best described for the treatment of active acne lesions, but is also approved for the treatment of atrophic acne scars . Studies of the 1,450 nm laser in patients with atrophic acne scars show equal or greater outcomes as Nd:YAG lasers.…”

Section: Traditional Non‐ablative Lasersmentioning

confidence: 99%

“…One notable adverse effect of the 1,450 nm diode laser is the relatively high risk of PIH, which progressively increases with patient skin type. Wada and colleagues reported that the risk of PIH is 18% in patients with FST I–III and increases to 39% with FST VI . In addition the efficacy may be reduced in darker skinned patients.…”

Section: Traditional Non‐ablative Lasersmentioning

confidence: 99%

Acne scarring: A review of available therapeutic lasers

2015

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Efficacy and Safety of a Low-Energy Double-Pass 1450-nm Diode Laser for the Treatment of Acne Scars

Abstract: The 1450-nm diode laser therapy was effective and well-tolerated in patients with acne scars, suggesting that this may be an appropriate modality for treating facial acne scars.

Cited by 15 publications

References 16 publications

Current Laser Resurfacing Technologies: A Review that Delves Beneath the Surface

Current Laser Resurfacing Technologies: A Review that Delves Beneath the Surface

The Management of Atrophic Acne Scars: Overview and New Tools

Acne scarring: A review of available therapeutic lasers

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