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Pulsed dye laser

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https://www.readbyqxmd.com/read/28338214/light-therapies-for-acne-abridged-cochrane-systematic-review-including-grade-assessments
#1
REVIEW
J Barbaric, R Abbott, P Posadzki, M Car, L H Gunn, A M Layton, A Majeed, J Car
We undertook a Cochrane review of randomized controlled trials (RCTs) evaluating the effects of light-based interventions for acne vulgaris. We searched the Cochrane Skin Specialised Register, CENTRAL, MEDLINE, Embase, LILACS, ISI Web of Science, and grey literature sources (September 2015). We used the Grading of Recommendations Assessment, Development and Evaluation Working Group approach to assess the quality of evidence (QE). We included 71 RCTs (4211 participants, median sample size 31). Results from a single study (n = 266, low QE) showed little or no difference in effectiveness on participants' assessment of improvement between 20% aminolevulinic acid (ALA) photodynamic therapy (PDT), activated by blue light, versus vehicle plus blue light, whereas another study (n = 180) of a comparison of ALA-PDT (red light) concentrations showed 20% ALA-PDT was no more effective than 15%, but better than 10% and 5% ALA-PDT...
March 24, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28285560/prospective-pilot-study-on-combined-use-of-pulsed-dye-laser-and-1-topical-rapamycin-for-treatment-of-non-facial-cutaneous-capillary-malformation
#2
Eun Jin Doh, Jungyoon Ohn, Min Ji Kim, Young Gull Kim, Soyun Cho
BACKGROUND: The regeneration or revascularization of blood vessels after pulsed dye laser (PDL) treatment is one of the causes of treatment failures of cutaneous capillary malformations (CM). Recently, topical administration of rapamycin was introduced as a possible adjunctive therapeutic option to minimize post-laser revascularization in facial CM. OBJECTIVES: We evaluated the effect of combined use of 1% topical rapamycin with PDL compared to PDL alone in cutaneous CM of trunk or extremities and tried to identify the optimal duration of topical rapamycin application...
March 13, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28274357/laser-and-light-based-treatments-of-acne-and-acne-scarring
#3
Macrene Alexiades
The treatment of acne and acne scarring with lasers and light-based and energy-based technologies has become an integral component of our therapeutic arsenal. Lasers including infrared wavelengths and pulsed dye lasers; light devices including blue light, red light, and broadband light; and photodynamic therapy with aminolevulinic acid and methylaminolevulinic acid have been shown to be effective in the treatment of acne vulgaris. The optimal outcomes are achieved with photodynamic therapy combined with medical therapy...
March 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28272080/pulsed-dye-laser-therapy-in-the-treatment-of-warts-a-review-of-the-literature
#4
David Veitch, Georgios Kravvas, Firas Al-Niaimi
BACKGROUND: Warts or verrucae vulgaris are common cutaneous infections with currently no definitive curative treatments available. OBJECTIVE: To determine the efficacy of pulsed dye laser (PDL) in the treatment of warts. MATERIALS AND METHODS: A literature search was performed using the PubMed and MEDLINE databases. A search using {(Wart[s], verruca or condylomata)} AND [(Pulsed dye laser)] was used. Forty-four articles were identified as relevant to this review...
March 7, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28213832/dynamic-fluorescence-microscopy-of-cellular-uptake-of-intercalating-model-drugs-by-ultrasound-activated-microbubbles
#5
B H A Lammertink, R Deckers, M Derieppe, I De Cock, I Lentacker, G Storm, C T W Moonen, C Bos
PURPOSE: The combination of ultrasound and microbubbles can facilitate cellular uptake of (model) drugs via transient permeabilization of the cell membrane. By using fluorescent molecules, this process can be studied conveniently with confocal fluorescence microscopy. This study aimed to investigate the relation between cellular uptake and fluorescence intensity increase of intercalating model drugs. PROCEDURES: SYTOX Green, an intercalating fluorescent dye that displays >500-fold fluorescence enhancement upon binding to nucleic acids, was used as a model drug for ultrasound-induced cellular uptake...
February 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28192297/controlling-and-tracking-of-colloidal-nanostructures-through-two-photon-fluorescence
#6
Dipankar Mondal, Debabrata Goswami
Multiphoton absorbing dye-coated trapped spherical bead at the focal plane of femtosecond optical tweezers shows nonlinear optical (NLO) phenomena. One such NLO process of two-photon fluorescence (TPF) has been used for the background-free imaging of a femtosecond laser-trapping event. Due to the high peak powers of femtosecond laser pulses with low average powers, it is possible to not only trap single nanospheres, but encourage optically directed self-assembly. The TPF signatures of trapped particles show evidence of such a directed self-assembly process which, in turn, can provide information about the structural dynamics during the process of cluster formation...
October 7, 2016: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28191657/prospective-open-label-rater-blinded-and-self-controlled-pilot-study-of-the-treatment-of-proliferating-superficial-infantile-hemangiomas-with-0-5-topical-timolol-cream-versus-595-nm-pulsed-dye-laser
#7
Hanru Ying, Yun Zou, Wenxin Yu, Yajing Qiu, Gang Ma, Lei Chang, Yifei Gu, Dongze Lyu, Xiaoxi Lin
Topical timolol and 595-nm pulsed dye laser (PDL) are both widely used in the treatment of superficial infantile hemangiomas (IH). However, to date, there is no reliable study comparing the therapeutic outcomes between the two treatment options. We designed the present study to evaluate and compare the efficacy and safety of timolol cream and PDL in the treatment of superficial proliferating IH. Twenty-one patients with superficial IH were included in the study. Each lesion was divided into two regions; one part was treated with 0...
February 13, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28181222/systematic-review-of-laser-therapy-in-xanthelasma-palpebrarum
#8
REVIEW
Austin H Nguyen, Adam M Vaudreuil, Christopher J Huerter
Xanthelasma palpebrarum is a benign periorbital xanthoma with substantial cosmetic and psychosocial burden for patients. Treatment modalities should be considered based on efficacy as well as cosmetic outcome. Laser modalities in the treatment of xanthelasma palpebrarum have not been comprehensively reviewed and discussed. Accordingly, this study seeks to systematically and critically review the available literature discussing laser treatment of xanthelasma palpebrarum. PubMed was systematically reviewed for reports on laser therapy in the treatment of xanthelasma palpebrarum...
March 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28166093/cutaneous-involvement-in-adult-multisystemic-langerhans-cell-histiocytosis-successfully-treated-with-pulsed-dye-laser
#9
Ximena Calderón-Castrat, Monica Roncero-Riesco, María T Alonso-San Pablo, Ángel Santos-Briz, Emilia Fernández-López
No abstract text is available yet for this article.
February 3, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28134994/retrospective-analysis-of-the-treatment-of-melasma-lesions-exhibiting-increased-vascularity-with-the-595-nm-pulsed-dye-laser-combined-with-the-1927-nm-fractional-low-powered-diode-laser
#10
REVIEW
Elizabeth R C Geddes, Ashlyn B Stout, Paul M Friedman
BACKGROUND: Melasma presents a significant challenge to laser surgeons. Aggressive treatments often result in rebound melasma or post-inflammatory pigmentary alteration. Recent reports suggest melasma pathogenesis may have a vascular component. Spectrocolorimetry can detect subtle or sub-clinical telangiectatic erythema within melasma lesions. For certain patients identified by spectrocolorimetry, effective melasma treatment may include vascular-targeted therapy together with pigment-specific treatment modalities...
January 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28118926/treatment-of-nail-psoriasis-with-pulse-dye-laser-plus-calcipotriol-betametasona-gel-vs-nd-yag-plus-calcipotriol-betamethasone-gel-an-intrapatient-left-to-right-controlled-study
#11
L C Arango-Duque, M Roncero-Riesco, T Usero Bárcena, I Palacios Álvarez, E Fernández López
BACKGROUND: Treatment of nail psoriasis remains a challenging and often disappointing situation. OBJECTIVE: To compare the efficacy, adverse reactions and tolerability of treatment of nail psoriasis with PDL vs. Nd:YAG, in association with betametasona calcipotriol gel. METHODS: An open, prospective intrapatient left-to-right study was designed. The right hand of each patient received treatment with PDL and the left hand with Nd:YAG. Betamethasone calcipotriol gel was applied once a day during the first week after each laser session...
January 21, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28095541/safety-and-efficacy-evaluation-of-pulsed-dye-laser-treatment-co-sub-2-sub-ablative-fractional-resurfacing-and-combined-treatment-for-surgical-scar-clearance
#12
Joel L Cohen, Roy Geronemus
BACKGROUND & OBJECTIVE: Surgical scars are an unwanted sequela following surgical procedures. Several different treatment modalities and approaches are currently being employed to improve the cosmesis of surgical scars with each having varying degrees of success. The objective of this study was to assess the ef cacy and safety pulsed dye laser treatment, CO2 ablative fractional resurfacing, and a combined treatment with these two modalities for the cosmetic improvement of surgical scarring that occurred following the surgical removal of skin cancer from different anatomic areas...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28088993/treatment-of-recalcitrant-port-wine-stains-pws-using-a-combined-pulsed-dye-laser-pdl-and-radiofrequency-rf-energy-device
#13
Yoon-Soo Cindy Bae, Hamad Alabdulrazzaq, Jeremy A Brauer, Roy G Geronemus
BACKGROUND: Pulsed dye laser (PDL) is the treatment of choice for port-wine stains (PWS). Some PWS are recalcitrant to this modality. A number of reasons for PDL treatment resistance have been described, including inadequate heat generation. OBJECTIVE: We evaluated PDL combined with radiofrequency (RF) energy into a single device to target larger and deeper blood vessels and overcome PDL resistance. METHOD: This was an open-label, prospective, single-center investigation of a novel device combining RF energy with PDL conducted to treat recalcitrant PWS...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28079942/treatment-of-capillary-malformation-using-topical-timolol-combined-with-585-nm-pulsed-dye-laser-a-prospective-randomized-split-lesion-study
#14
Sang-Jin Cheon, Woo-Haing Shim, Gun-Wook Kim, Hoon-Soo Kim, Byung-Soo Kim, Moon-Bum Kim, Hyun-Chang Ko
Capillary malformation (CM) is a congenital vascular malformation characterized by the dilation of superficial dermal blood vessels.(1)  Currently, pulsed dye laser (PDL) is considered the gold standard for the treatment of CM.(1)  However, its use results in incomplete clearance despite multiple sessions and relapses during long-term follow-up.(1)  Alternative methods are needed to achieve improved therapeutic results. This article is protected by copyright. All rights reserved.
January 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28078504/pulsed-dye-laser-on-ecchymoses-clinical-and-histological-assessment
#15
Adrián Alegre-Sánchez, D Saceda-Corralo, G Segurado-Miravalles, D de Perosanz-Lobo, P Fonda-Pascual, O M Moreno-Arrones, D Buendía-Castaño, B Perez-García, P Boixeda
No abstract text is available yet for this article.
January 11, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28059252/temporal-resolution-beyond-the-average-pulse-duration-in-shaped-noisy-pulse-transient-absorption-spectroscopy
#16
Kristina Meyer, Niklas Müller, Zuoye Liu, Thomas Pfeifer
In time-resolved spectroscopy, it is a widespread belief that the temporal resolution is determined by the laser pulse duration. Recently, it was observed and shown that partially coherent laser pulses as they are provided by free-electron-laser (FEL) sources offer an alternative route to reach a temporal resolution below the average pulse duration. Here, we demonstrate the generation of partially coherent light in the laboratory like we observe it at FELs. We present the successful implementation of such statistically fluctuating pulses by using the pulse-shaping technique...
December 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/28056485/evidence-of-invasive-and-noninvasive-treatment-modalities-for-hypertrophic-scars-a-systematic-review
#17
Mona Kafka, Vanessa Collins, Lars-Peter Kamolz, Thomas Rappl, Ludwik K Branski, Paul Wurzer
Currently, there are various therapeutic approaches to reduce hypertrophic scarring; however, there is no standard evidence-based treatment protocol. Hence, a systematic review was performed to obtain a summary of the latest clinical trials to evaluate evidence for the treatment of hypertrophic scars. The review protocol was registered and approved by PROSPERO (CRD42015027040). PubMed and Web of Science were searched using predefined MeSH-Terms to identify studies published within the last 10 years regarding treatment for hypertrophic scars...
January 5, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28043177/the-pulsed-dye-laser-is-more-effective-and-rapidly-acting-than-intralesional-meglumine-antimoniate-therapy-for-cutaneous-leishmaniasis
#18
Mohammad Radmanesh, Ehsan Omidian
BACKGROUND AND OBJECTIVE: The pulsed dye laser (PDL) is not tested yet for the treatment of cutaneous leishmaniasis (CL). We compared the efficacy of 585 nm PDL with intralesional meglumine antimoniate (MA) on 17 patients with 81 lesions of CL. PATIENTS AND METHODS: Out of the 81 lesions, 42 lesions were treated with one or two passes of PDL fortnightly and 39 lesions in the same patients were treated with intralesional MA weekly. The fluence chosen for the laser was 7 Joules/cm² with 5 mm spot size...
January 17, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28004204/treatment-of-lupus-erythematosus-of-the-eyelids-with-pulsed-dye-laser
#19
Susana Brás, Borja Gonzalez, Gonzalo Segurado-Miravalles, Pablo Boixeda
No abstract text is available yet for this article.
December 21, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/28003769/chronic-radiation-induced-dermatitis-challenges-and-solutions
#20
REVIEW
Mateusz Spałek
Chronic radiation dermatitis is a late side effect of skin irradiation, which may deteriorate patients' quality of life. There is a lack of precise data about its incidence; however, several risk factors may predispose to the development of this condition. It includes radiotherapy dose, fractionation, technique, concurrent systemic therapy, comorbidities, and personal and genetic factors. Chronic radiation dermatitis is mostly caused by the imbalance of proinflammatory and profibrotic cytokines. Clinical manifestation includes changes in skin appearance, wounds, ulcerations, necrosis, fibrosis, and secondary cancers...
2016: Clinical, Cosmetic and Investigational Dermatology
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