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Pulsed dye laser

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https://www.readbyqxmd.com/read/28812167/superficial-hemangioma-is-better-treated-by-topical-5-aminolevulinic-followed-by-595-nm-pulsed-dye-laser-therapy-rather-than-595-nm-laser-therapy-alone
#1
Ming Zeng, Songke Shen, Wei Chen, Chunjun Yang, ShengXiu Liu
The aim of this study was to compare the efficacy and adverse effects of a 595-nm pulsed dye laser therapy alone (PDL alone) with a 5-aminolevulinic (5-ALA) local application followed by a 595-nm PDL (5-ALA PDL) in the treatment of superficial hemangioma (SH). A prospectively randomized study in 181 patients with SH was carried out over a period of 24 months. One hundred and ninety-three patients were seen. One hundred and eighty-one patients with SH were enrolled, of which 165 completed final follow-up. One hundred and nineteen patients received PDL alone and 46 received 5-ALA PDL...
August 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28776112/laser-treatments-of-active-acne
#2
REVIEW
Lauren E Wiznia, Mary L Stevenson, Arielle R Nagler
The utility of laser therapy is increasingly being recognized in the treatment of active acne vulgaris. We aimed to perform a narrative review of the medical literature on the use of laser therapy for the treatment of active acne vulgaris. We performed a PubMed literature search on September 1, 2016 using the search terms "active acne," "acne," "laser therapy," and "laser surgery." Case reports, case series, cohort, and controlled trials were included. Studies of lasers in the treatment of acne, including erbium glass, Nd:YAG, pulse dye laser (PDL), potassium titanyl phosphate (KTP) laser, and laser-based photodynamic therapy, have been published...
August 4, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28759110/effects-of-early-combinatorial-treatment-of-autologous-split-thickness-skin-grafts-in-red-duroc-pig-model-using-pulsed-dye-laser-and-fractional-co2-laser
#3
J Kevin Bailey, Britani N Blackstone, Danielle M DeBruler, Jayne Y Kim, Molly E Baumann, Kevin L McFarland, Folasade O Imeokparia, Dorothy M Supp, Heather M Powell
BACKGROUND AND OBJECTIVE: The use of pulsed dye laser (PDL) and fractional CO2 (FX CO2 ) laser therapy to treat and/or prevent scarring following burn injury is becoming more widespread with a number of studies reporting reduction in scar erythema and pruritus following treatment with lasers. While the majority of studies report positive outcomes following PDL or FX CO2 therapy, a number of studies have reported no benefit or worsening of the scar following treatment. The objective of this study was to directly compare the efficacy of PDL, FX CO2 , and PDL + FX CO2 laser therapy in reducing scarring post burn injury and autografting in a standardized animal model...
July 31, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28758247/pulsed-dye-laser-treatment-of-port-wine-stains-in-children-useful-tips-to-avoid-general-anesthesia
#4
Adrián Alegre-Sánchez, Bibiana Pérez-García, Pablo Boixeda
Pulsed dye laser (PDL) treatment of port-wine stains (PWSs) in children is a common procedure performed in most laser units. Pain assessment in our younger patients is a major concern, especially in those with extensive PWSs. The use of general anesthesia (GA) results in pain-free treatment, but its effects on the developing brain are far from totally understood. Thus we propose some tips that avoid the use of GA in most of our young patients, including the use of topical anesthetics and cooling systems, large laser spot size and high frequencies, early and frequent treatment with parents present, and the "introduction" and "pressure" techniques, among others...
July 30, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28752575/ipl-vs-pdl-in-treatment-of-facial-erythema-a-split-face-study
#5
Marc Z Handler, Bradley S Bloom, David J Goldberg
BACKGROUND: Lasers and noncoherent intense pulse light sources effectively treat vascular lesions. Intense pulsed light (IPL), a nonablative treatment for photorejuvenation, uses a flashlamp which emits noncoherent light between 400 and 1400 nm. The light may be filtered to target a specific chromophore. The pulsed dye laser (PDL), at 595 nm, has been the historical standard of care in the treatment of facial erythema. We sought to determine whether IPL may be used in lieu of PDL in reducing facial erythema...
July 27, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28750153/safety-and-efficacy-of-dual-wavelength-laser-1064-nm-595-nm-for-treatment-of-non-treated-port-wine-stains
#6
Tianyou Wang, Da Chen, Jingyan Yang, Gang Ma, Wenxin Yu, Xiaoxi Lin
BACKGROUND: Patients with port-wine stain (PWS) suffer physically and psychologically because of the high incidence (0.3%-0.5%) of the disease. Pulsed dye laser (PDL) at 595 nm is the gold standard of the treatment for PWS. Nevertheless, clinicians intend to determine whether the dual wavelength laser (DWL) (595 nm PDL + 1064 nm Nd:YAG) is an adequate choice in the treatment of non-treated PWS. This study is the first prospective within-patient controlled research seeking to investigate the safety and efficacy of DWL for the treatment of non-treated PWS...
July 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28746256/successful-treatment-of-actinic-granuloma-with-pulsed-dye-laser-and-fractionated-carbon-dioxide-laser
#7
Andrew Mamalis, Derek Ho, Kory K Parsi, Jared Jagdeo
No abstract text is available yet for this article.
July 25, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28702841/comparison-of-ketamine-and-ketofol-for-deep-sedation-and-analgesia-in-children-undergoing-laser-procedure
#8
Marija Stevic, Nina Ristic, Ivana Budic, Nebojsa Ladjevic, Branislav Trifunovic, Ivan Rakic, Marko Majstorovic, Ivana Burazor, Dusica Simic
The aim of our study was to research and evaluate cardiovascular and respiratory stability, clinical efficacy, and safety of two different anesthetic agents in pediatric patients who underwent Pulse dye (wavelength 595 nm, pulse duration 0-40 ms, power 0-40 J) and CO2 (wavelength 10,600 nm, intensity-fraxel mod with SX index 4 to 8, power 0-30 W) laser procedure. This prospective non-blinded study included 203 pediatric patients ASA I-II, aged between 1 month and 12 years who underwent short-term procedural sedation and analgesia for the laser procedure...
July 12, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28679262/laser-driven-resonance-of-dye-doped-oil-coated-microbubbles-experimental-study
#9
Guillaume Lajoinie, Jeong-Yu Lee, Joshua Owen, Pieter Kruizinga, Nico de Jong, Gijs van Soest, Eleanor Stride, Michel Versluis
Photoacoustic (PA) imaging offers several attractive features as a biomedical imaging modality, including excellent spatial resolution and functional information such as tissue oxygenation. A key limitation, however, is the contrast to noise ratio that can be obtained from tissue depths greater than 1-2 mm. Microbubbles coated with an optically absorbing shell have been proposed as a possible contrast agent for PA imaging, offering greater signal amplification and improved biocompatibility compared to metallic nanoparticles...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28676850/current-therapeutic-approach-to-hypertrophic-scars
#10
REVIEW
Zrinka Bukvić Mokos, Anamaria Jović, Lovorka Grgurević, Ivo Dumić-Čule, Krešimir Kostović, Romana Čeović, Branka Marinović
Abnormal scarring and its accompanying esthetic, functional, and psychological sequelae still pose significant challe nges. To date, there is no satisfactory prevention or treatment option for hypertrophic scars (HSs), which is mostly due to not completely comprehending the mechanisms underlying their formation. That is why the apprehension of regular and controlled physiological processes of scar formation is of utmost importance when facing hypertrophic scarring, its pathophysiology, prevention, and therapeutic approach...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28675151/the-relationship-between-retinal-damage-and-current-intensity-in-a-pre-clinical-suprachoroidal-transretinal-stimulation-model-using-a-laser-formed-microporous-electrode
#11
Hiroyuki Kanda, Yukari Nakano, Yasuo Terasawa, Takeshi Morimoto, Takashi Fujikado
Suprachoroidal-transretinal stimulation (STS) is a stimulation method for retinal prostheses. For STS-type retinal prostheses, we developed a new type of stimulating electrode called a femtosecond laser-induced porous electrode (FLiP electrode). To verify the safety of FLiP electrode for STS, we investigated the characteristics of STS-induced retinal injury. Approach: Sixteen eyes of pigmented rabbits were studied in this in vivo study. For each examined eye, we implanted a single-channel FLiP electrode (diameter, 0...
July 4, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28665237/genital-angiokeratomas-of-fordyce-595-nm-variable-pulse-pulsed-dye-laser-treatment
#12
Ján Baumgartner, Mária Šimaljaková
BACKGROUND: Angiokeratoma of Fordyce (AF) are dark red or blue-black papules with scaly surface located on scrotum, labia majora and penis. Though usually asymptomatic, bleeding after mechanical trauma and sexual intercourse may occure. AF should be differentiated from malignant melanoma, angiosarcoma and other pigmented lesions. The treatment, usually asked from patients as the result of anxiety and social embarrassment should be performed in an non-aggresive manner. OBJECTIVES: To determine the safety and effectiveness of 595-nm variable-pulse pulsed dye laser (VPPDL) with Dynamic Cooling Device (DCD) in treatment of AF...
June 30, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28665162/the-effect-of-pulsed-dye-laser-on-cutaneous-leishmaniasis-and-its-impact-on-the-dermatology-life-quality-index
#13
Mohamed L Elsaie, Shady M Ibrahim
BACKGROUND AND OBJECTIVE: Cutaneous leishmaniasis is a skin condition of prevalence especially in the Middle Eastern region. The Pulsed dye laser (PDL) has not been thoroughly evaluated for treatment of cutaneous leishmaniasis (CL). We assessed primarily the efficacy of 595nm PDL in the treatment of CL lesions and interpreted its impact on the quality of life of affected patients as measured by the Dermatology Life Quality Index (DLQI). PATIENTS AND METHODS: 25 lesions from 12 patients were treated with a single pass of PDL over the whole lesions to develop a purpuric end point...
June 30, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28661996/pulsed-dye-laser-treatment-of-a-nonhealing-chronic-wound-that-developed-after-incision-and-drainage-of-a-hidradenitis-suppurativa-abscess
#14
Natanel Jourabchi, Gulsun Erdag, Bernard Cohen, Laura Anzaldi
No abstract text is available yet for this article.
June 28, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28652904/successful-treatment-of-unilateral-klippel-trenaunay-syndrome-with-pulsed-dye-laser-in-a-2-week-old-infant
#15
Hoda Rahimi, Habib Hassannejad, Hamideh Moravvej
Introduction: Klippel-Trenaunay syndrome (KTS) is a rare congenital mesodermal abnormality characterized by varicose veins, cutaneous capillary malformation, as well as bone and soft tissue hypertrophy. Case Report: A 2-week-old female infant presented to our clinic because of vascular nevus and progressive enlargement of her right extremities and trunk since birth. The patient was treated with 595-nm pulsed-dye laser (PDL). Her port-wine stain (PWS) disappeared completely after third PDL session and the soft tissue hypertrophy stopped...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28652903/complete-clearance-of-resistant-granuloma-faciale-with-pulsed-dye-laser-after-pre-treatment-with-mometasone-and-tacrolimus
#16
Daniel Micallef, Michael J Boffa
Introduction: Granuloma faciale is an uncommon inflammatory dermatosis which usually affects the face and is often resistant to treatment. Case Report: A 39-year-old English lady with Fitzpatrick skin phototype II presented with typical lesions of granuloma faciale, confirmed on biopsy, on her cheeks and nose. Treatment with ScleroPlus pulsed dye laser (Candela Corporation, Wayland, Mass) produced no visible improvement. The patient re-presented 5 years later with the same lesions, now more prominent. No improvement was noted with topical mometasone, however addition of topical tacrolimus caused significant flattening...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28650740/in-vivo-investigation-of-the-safety-and-efficacy-of-pulsed-dye-laser-with-two-spot-sizes-in-port-wine-stain-treatment-a-prospective-side-by-side-comparison
#17
Wenxin Yu, Hanru Ying, Yijie Chen, Yajing Qiu, Hui Chen, Yunbo Jin, Xi Yang, Tianyou Wang, Gang Ma, Xiaoxi Lin
OBJECTIVE: Pulsed dye laser (PDL) with 7 and 10 mm spot sizes is widely used on a regular basis for the treatment of port-wine stain (PWS). BACKGROUND DATA: No studies have reported on the differences in efficacy outcomes resulting from the use of different laser spot sizes in the treatment of PWS by PDL. Thus, an in vivo investigation into the differences in safety and efficacy of treatment between two spot sizes (7 mm vs. 10 mm) of PWS by PDL was conducted...
May 31, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28640760/successful-treatment-of-angiolymphoid-hyperplasia-with-eosinophilia-with-arterial-ligation-and-pulsed-dye-laser
#18
Nicole Warner, James G Marks, Todd V Cartee
No abstract text is available yet for this article.
July 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28621306/targeted-two-photon-chemical-apoptotic-ablation-of-defined-cell-types-in-vivo
#19
Robert A Hill, Eyiyemisi C Damisah, Fuyi Chen, Alex C Kwan, Jaime Grutzendler
A major bottleneck limiting understanding of mechanisms and consequences of cell death in complex organisms is the inability to induce and visualize this process with spatial and temporal precision in living animals. Here we report a technique termed two-photon chemical apoptotic targeted ablation (2Phatal) that uses focal illumination with a femtosecond-pulsed laser to bleach a nucleic acid-binding dye causing dose-dependent apoptosis of individual cells without collateral damage. Using 2Phatal, we achieve precise ablation of distinct populations of neurons, glia and pericytes in the mouse brain and in zebrafish...
June 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28618525/influence-of-liquid-crystalline-phases-on-the-tunability-of-a-random-laser
#20
José Trull, Josep Salud, Sergio Diez-Berart, David O López
In this paper, we report the temperature behavior of an optimized disordered photonic system-based liquid crystal by means of heat capacity and refractive index measurements. The scattering system is formed by a porous borosilicate glass random matrix (about 60%) infiltrated with a smectogenic liquid crystal (about 16%) and a small amount of laser dye (0.1%). The rest of the scattering system is about 24% air, giving rise to a high refractive index contrast scattering system. Such a system has the functionality to change the refractive index contrast with temperature due to the liquid crystal temperature behavior...
May 2017: Physical Review. E
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