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Alexandrite 755

Daniel P Friedmann, Sara Buckley, Vineet Mishra
No abstract text is available yet for this article.
April 28, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Hao Feng, Arielle N B Kauvar
No abstract text is available yet for this article.
April 11, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Brian S Biesman, Cara Costner
BACKGROUND AND OBJECTIVE: Laser-assisted treatment of tattoos is well recognized to produce opaque epidermal whitening that prevents multiple sequential passes during a single treatment session. The amount of epidermal whitening produced in association with the procedure can be minimized by topical application of perfluorodecalin (PFD), which is an optical clearing agent. This pivotal trial assessed the ability of a transparent PFD-infused patch used in conjunction with a Q-switched nanosecond laser in the treatment of tattoos to permit multiple laser passes during a single 5 minute treatment session in comparison to the number of passes that could be completed using conventional treatment of the tattoo with the laser alone...
March 20, 2017: Lasers in Surgery and Medicine
Sang Ju Lee, Joon Seok, Kui Young Park, Seong Jun Seo
No abstract text is available yet for this article.
December 19, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
K J Ahn, B J Kim, S B Cho
BACKGROUND: Laser therapy is the treatment of choice in tattoo removal. However, the precise mechanisms of laser-tattoo pigment interactions remain to be evaluated. METHODS: We evaluated the geometric patterns of laser-tattoo pigment particle interactions using a tattoo pigment-embedded tissue-mimicking (TM) phantom. RESULTS: A Q-switched (QS) neodymium-doped yttrium aluminum garnet laser was used at settings of 532-, 660-, and 1064-nm wavelengths, single-pulse and quick pulse-to-pulse treatment modes, and spot sizes of 4 and 7 mm...
November 20, 2016: Skin Research and Technology
Sang Hyung Lee, Mi-Hye Lee, Tai-Kyung Noh, Kwang-Ho Choi, Chong-Hyun Won, Sung Eun Chang, Mi-Woo Lee, Jee-Ho Choi
No abstract text is available yet for this article.
October 2016: Annals of Dermatology
Hyun-Min Seo, Jung-In Kim, Han-Saem Kim, Young-Jun Choi, Won-Serk Kim
BACKGROUND: Rosacea treatments including oral/topical medications and laser therapy are numerous but unsatisfactory. OBJECTIVE: To compare the effectiveness of the dual wavelength long-pulsed 755-nm alexandrite/1,064-nm neodymium: yttrium-aluminum-garnet laser (LPAN) with that of 585-nm pulsed dye laser (PDL) for rosacea. METHODS: This was a randomized, single-blinded, comparative study. Full face received four consecutive monthly treatments with LPAN or PDL, followed-up for 6 months after the last treatment...
October 2016: Annals of Dermatology
Takafumi Ohshiro, Toshio Ohshiro, Katsumi Sasaki, Kazuo Kishi
Background and aims: Recently novel picosecond duration lasers (ps-lasers) have been developed for the treatment of multicolored and recalcitrant tattoos, and safety and efficacy have been reported. We therefore hypothesized that the ps-laser could be an alternative treatment for dermal pigmented lesions and performed a retrospective review to evaluate the efficacy and safety of the ps-laser. Subjects and methods: A retrospective photographic review of 10 patients with dermal pigmented lesions was performed (ages from 4 months to 52 yr), 6 nevus of Ota, 3 ectopic Mongolian spots and 1 Mongolian spots...
June 29, 2016: Laser Therapy
Robert A Weiss, David H McDaniel, Margaret A Weiss, Anne Marie Mahoney, Karen L Beasley, Christian R Halvorson
INTRODUCTION: Picosecond lasers have been reported to be effective for removal of tattoo pigment. This prospective study evaluated the efficacy and safety of the treatment of peri-oral and -ocular wrinkles using a novel diffractive lens array coupled with a picosecond 755 nm alexandrite laser. METHODS: Forty female subjects presenting with wrinkles from photodamage were enrolled in an IRB approved study. Subjects received four picosecond diffractive lens array treatments to the full face at 1 month intervals...
January 2017: Lasers in Surgery and Medicine
Min Kyung Lee, Kyung Sik Min, Eun Joo Park, Kwang Ho Kim, Kwang Joong Kim
BACKGROUND: Long-pulsed, 755-nm, alexandrite lasers have been shown to be effective and safe in the treatment of pigmentary lesions. OBJECTIVE: Clinical outcomes and side effects in the treatment of melasma using a fractional, long-pulsed, alexandrite laser were assessed. MATERIALS AND METHODS: Forty-eight patients with melasma received 2 to 4 treatment sessions of fractional, long-pulsed, alexandrite laser at 2 to 3 weeks intervals. The parameter of treatment was 60 to 80 J/cm without dynamic cooling device using 15-mm spot size of fractional hand piece, with a 0...
August 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Shirin Ghanbari, Reza Akbari, Arkady Major
The generation of 170 fs pulses at 755 nm from a Kerr-lens mode-locked Alexandrite laser was demonstrated. The laser was pumped at 532 nm and produced 780 mW of average output power with 9.8% of optical-to-optical efficiency. To the best of our knowledge, these are the shortest pulses that have been produced from a mode-locked Alexandrite laser to date.
June 27, 2016: Optics Express
Emil A Tanghetti
BACKGROUND AND OBJECTIVES: The treatment of acne scars and wrinkles with a picosecond Alexandrite laser was recently FDA cleared. In 2014 we presented our initial histologic findings with this device on in vivo and ex vivo skin. This current study expands on the 2014 pilot study with an investigation of different energy settings using histology and the confocal microscope to describe the changes observed in the skin. MATERIALS AND METHODS: We used a 755 nm picosecond Alexandrite laser with a fractional optic with three different energy settings to treat in vivo...
September 2016: Lasers in Surgery and Medicine
Douglas C Wu, Richard E Fitzpatrick
BACKGROUND AND OBJECTIVES: Multi-modal combination treatments for facial rejuvenation offer the potential to achieve superior results in a single treatment session. In this study, we evaluate the safety and efficacy of combining multiple laser modalities in a single treatment session. METHODS: Fifty patients underwent a multi-modal facial laser resurfacing procedure consisting of the sequential use of 595 nm pulsed dye laser, 755 nm alexandrite laser, superficial fractionated and fully ablative CO2 laser, superficial fully ablative erbium-YAG laser, and deep fractionated ablative CO2 laser in a single treatment session...
August 2016: Lasers in Surgery and Medicine
Melissa Kanchanapoomi Levin, Elise Ng, Yoon-Soo Cindy Bae, Jeremy A Brauer, Roy G Geronemus
BACKGROUND AND OBJECTIVES: Laser procedures in skin of color (SOC) patients are challenging due to the increased risk of dyspigmentation and scarring. A novel 755 nm alexandrite picosecond laser has demonstrated effectiveness for tattoo removal and treatment of acne scars. No studies to date have evaluated its applications in pigmentary disorders. The purpose of this retrospective study was to evaluate the safety profile and efficacy of the picosecond alexandrite laser compared to the current standard treatment, Q-switched ruby and neodynium (Nd):YAG nanosecond lasers, for pigmentary disorders in SOC patients...
February 2016: Lasers in Surgery and Medicine
Ján Baumgartner, Mária Šimaljaková, Pavel Babál
Angiokeratomas are rare vascular mucocutaneous lesions characterized by small-vessel ectasias in the upper dermis with reactive epidermal changes. Angiokeratoma circumscriptum (AC) is the rarest among the five types in the current classification of angiokeratoma. We present a case of an extensive AC in 19-year-old women with Fitzpatrick skin type I of the left lower extremity, characterized by a significant morphological heterogeneity of the lesions, intermittent bleeding, and negative psychological impact...
June 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Fleta N Bray, Vidhi Shah, Keyvan Nouri
Congenital melanocytic nevi (CMN) are nevi that are present from birth and occur in approximately 1 % of newborns. CMN may be cosmetically disfiguring and are at risk for malignant transformation. For these two reasons, CMN are frequently treated. A variety of treatment modalities have been utilized with variable efficacy, including excision, dermabrasion, curettage, chemical peels, radiation therapy, cryotherapy, electrosurgery, and lasers. The current treatment of choice for CMN is surgical excision. However, some CMN occur in cosmetically sensitive areas, where a surgical scar is less acceptable, or in inoperable locations...
January 2016: Lasers in Medical Science
Douglas C Wu, Leysin Fletcher, Isabella Guiha, Mitchel P Goldman
BACKGROUND: Fractionated lasers are routinely used to treat the characteristic cutaneous signs of photoaging. In this study, we evaluate the use of picosecond pulse duration combined with a diffractive lens array for treatment of photodamage of the décolletage. METHODS: Twenty subjects with Fitzpatrick skin types I-IV were enrolled in a prospective open-label trial evaluating the efficacy of the 755 nm picosecond pulsed alexandrite laser with diffractive lens array for treatment of photodamage to the décolletage...
February 2016: Lasers in Surgery and Medicine
Michelle Rodrigues, Philip Bekhor
No abstract text is available yet for this article.
October 2015: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Yunus Karabela, Mustafa Eliaçık
Ocular tissues are known to be sensitive to damage from exposure to laser emissions. This study reports the case of a female patient with acute unilateral anterior uveitis caused by alexandrite laser-assisted hair removal of the eyebrows. We report a 38-year-old female who presented with unilateral eye pain, redness, and photophobia after receiving alexandrite (755 nm) laser epilation of both eyebrows. Best corrected visual acuity was 20/20 in both eyes. Right eye examination was normal. Left eye examination showed conjunctival injection and 2+/3+ cells in the anterior chamber...
2015: International Medical Case Reports Journal
Gita Faghihi, Fariba Iraji, Bahareh Abtahi-Naeini, Bahar Saffar, Ali Saffaei, Mohsen Pourazizi, Abolfazl Aslani, Mohammad Ali Nilforoushzadeh
Hirsutism is one of the most prevalent health problems in women. The aim of the study was to compare the effect of 755 nm alexandrite hair removal laser with that of alexandrite laser plus topical licorice on the improvement of idiopathic hirsutism. A double-blind, randomized placebo-controlled study was performed on 90 female subjects. The patients were divided into two groups: alexandrite laser plus 15% licorice gel (group A) and placebo (group B). Each subject received one of both products over one side of the face, twice daily for 24 weeks on the hirsute locations...
2015: Evidence-based Complementary and Alternative Medicine: ECAM
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