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Pulsed dye laser

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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
#1
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
#2
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
#3
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
#4
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
#5
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-non-invasive-treatment-modalities-for-hypertrophic-scars-a-systematic-review
#6
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, we performed a systematic review 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
#7
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 585nm PDL with intralesional meglumine antimoniate (MA) on 17 patients with 81 lesions of cutaneous leishmaniasis. PATIENTS AND METHOD: 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 5mm spot size...
January 3, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28004204/treatment-of-lupus-erythematosus-of-the-eyelids-with-pulsed-dye-laser
#8
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
#9
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
https://www.readbyqxmd.com/read/27987326/risk-factors-for-recurrence-after-successful-treatment-of-warts-the-role-of-smoking-habits
#10
P L Bencini, S Guida, S Cazzaniga, G Pellacani, M G Galimberti, M Bencini, L Naldi
BACKGROUND: Several therapies have been proposed for cutaneous warts without results concerning factors affecting recurrences. OBJECTIVE: To determine the importance of individual characteristics and different therapy modalities in the occurrence of relapses. METHODS: Observational prospective cohort study including 199 patients affected by multiple plantar warts treated as follows: 49 with keratolytics, 50 with CO2 laser, 50 with pulsed dye laser (PDL) and 50 with cryotherapy...
December 17, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27958517/all-optically-controllable-nanoparticle-random-laser-in-a-well-aligned-laser-dye-doped-liquid-crystal
#11
Chi-Huang Chang, Chie-Tong Kuo, Han-Ying Sun, Shih-Hung Lin, Chi-Wu Chang, Shuan-Yu Huang
This study reports for the first time an all-optically controllable nanoparticle random laser (NPRL) in a well-aligned laser-dye-doped liquid crystal (LDDLC) cell added with NPs and azo-dyes. Experimental results display that the NPRL can be obtained when the pumped energy exceeds the energy threshold (~3.5 μJ/pulse). The occurrence of the NPRL is attributable to the enhancement of the fluorescence by the multi-scattering events of the fluorescence photons from the randomly distributed NPs in the diffusion rout of the well-aligned LDDLC cell...
December 12, 2016: Optics Express
https://www.readbyqxmd.com/read/27936606/polymeric-self-assemblies-with-boron-containing-near-infrared-dye-dimers-for-photoacoustic-imaging-probes
#12
Koji Miki, Akane Enomoto, Tatsuhiro Inoue, Tatsuya Nabeshima, Sousuke Saino, Soji Shimizu, Hideki Matsuoka, Kouichi Ohe
Polymers containing pyrrolopyrrole aza-BODIPY (PPAB) and thiophene-bridged BODIPY dimers (TBD) having poly(ethylene glycol) (PEG) or PEGylated hyaluronic acid (HA) were prepared by facile conjugation approaches. Self-assemblies consisting of TBD-conjugated polymers more efficiently generated photoacoustic (PA) signals than PPAB-PEG conjugate upon irradiation with near-infrared pulsed laser light. Among dye-conjugated polymers examined, TBD-HA-PEG conjugates efficiently generated photoacoustic signals, 1.49-1...
December 12, 2016: Biomacromolecules
https://www.readbyqxmd.com/read/27930373/pulsed-dye-laser-for-disfiguring-livedoid-changes-after-chemoradiotherapy
#13
Selina Singh, Sirunya Silapunt
No abstract text is available yet for this article.
December 2, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27922281/the-effect-of-recurrent-pulsed-dye-laser-treatments-in-rosacea-patients
#14
Mark Strand Do, Gunnar Bergqvist, Shane Griffith, Emma Bergqvist
BACKGROUND: Rosacea is common chronic skin condition and is known to have a negative impact on patient's quality of life. The use of pulsed dye laser treatment to improve quality of life is well documented in the literature. Prior work has emphasized a single series of laser treatments but we investigated the effect of recurrent pulsed dye laser treatment on patient's symptomalology and quality of life. METHODS: We designed an 8 question survey about patient's rosacea symptoms, prior treatments, effectiveness of prior treatments, benefit of the laser treatments, and number of laser treatments...
December 6, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27918005/a-review-of-melasma-treatment-focusing-on-laser-and-light-devices
#15
Janet Y Li, Elizabeth Rc Geddes, Deanne M Robinson, Paul M Friedman
Melasma is a pigmentary disorder of unclear etiology with numerous treatment options and high recurrence rates. Laser and light therapies may be utilized cautiously as second- or third-line options for recalcitrant melasma, but low-energy settings are preferred due to the risk of postinflammatory hyperpigmentation and melasma stimulation. Commonly used lasers include the low-fluence 1064-nm Q-switched neodymium-doped yttrium aluminum garnet laser, nonablative fractionated lasers, and intense pulsed light. Strict sun protection, concomitant use of bleaching agents, and maintenance treatments are necessary...
December 2016: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/27911476/nd-yag-and-pulsed-dye-laser-therapy-in-infantile-hemangiomas-a-retrospective-analysis-of-271-treated-hemangiomas-in-149-children
#16
F Hartmann, A Lockmann, L-L Grönemeyer, H A Haenssle, M Zutt, H von Fintel, I Kühnle, M P Schön, K-M Thoms
BACKGROUND: Infantile hemangiomas (IH) are common benign tumors in infancy. Most IH resolve spontaneously, but some require treatment due to ulceration, functional impairment or cosmetic disfiguration. While systemic propranolol is effective in many cases, laser therapy may be a safe topical alternative. OBJECTIVE: To assess the efficacy of combined Nd:YAG/pulsed dye laser (PDL) or PDL alone for therapy of IH. PATIENTS AND METHODS: 271 IH in 149 infants were treated with combined Nd:YAG/PDL or PDL alone...
December 2, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27911144/comparison-of-pulsed-dye-laser-versus-combined-pulsed-dye-laser-and-nd-yag-laser-in-the-treatment-of-inflammatory-acne-vulgaris
#17
Manal Mohamed Salah El Din, Nevien Ahmed Samy, Amira Eid Salem
BACKGROUND: Both pulsed dye laser and combined 585/1,064-nm (sequential dual-wave-length PDL and Nd:YAG) laser improves inflammatory skin disorders including acne vulgaris. OBJECTIVE: To compare the efficacy of 585 nm pulsed dye laser versus sequential dual-wave-length PDL and Nd:YAG in treatment of acne vulgaris. PATIENTS AND METHOD: Thirty patients complaining of acne vulgaris were treated with a single pass of PDL alone on half of the face and a single pass of combined 585/1064-nm laser on the other half for four treatment sessions at 2 weeks interval, then assessed by the count and severity of the acne lesions & digital camera photographs Results: The study showed that inflammatory acne lesions count was significantly reduced by 82...
December 2, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27893539/comparative-efficacy-of-radiofrequency-and-pulsed-dye-laser-in-the-treatment-of-rosacea
#18
Sue-Jeong Kim, Young Lee, Young-Joon Seo, Jeung-Hoon Lee, Myung Im
BACKGROUND: Laser and light-based therapies have been used successfully in the treatment of rosacea; however, evidence is lacking regarding the efficacy of radiofrequency (RF). OBJECTIVE: This study evaluated the efficacy of RF in the treatment of rosacea compared with pulsed dye laser (PDL). METHODS: Thirty patients with rosacea (erythematotelangiectatic rosacea [ETR], n = 20; papulopustular rosacea [PPR], n = 10) were enrolled in a randomized, controlled, split-face study...
November 23, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27879157/secondary-submucosal-vocal-cyst-following-pulsed-dye-laser-application-for-sulcus-vocalis
#19
Joo Hyun Kim, Hye Jin Hwang, Ji Hyung Kim, Min Seok Kang, Hong-Shik Choi, Hyung Kwon Byeon
CONCLUSION: Submucosal vocal cyst can occur as a distinct long-term sequelae following pulsed dye laser (PDL) application for sulcus vocalis. It is recommended that the cyst lesion should be surgically removed for treatment. Optimal and precise irradiation of PDL is considered important to avoid the development of a such complication. OBJECTIVE: After several years of clinical practice and an extended period of follow-up of the patients who received PDL application in treating sulcus vocalis, the authors have encountered several cases of secondary submucosal vocal cyst development...
November 23, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27869377/physical-modalities-for-the-treatment-of-rosacea
#20
Maja A Hofmann, Percy Lehmann
Rosacea is characterised by a wide variety of vascular changes. Apart from telangiectasia and erythema, often so-called flushing occurs. These vascular abnormalities can be targeted with specific light and laser devices. In addition to KTP laser, pulsed dye laser (PDL) and Nd:YAG laser, also intense pulsed light devices (IPLs) are used. The described therapeutic effects include the reduction of vascular abnormalities and even improvement of papulopustular changes. While the KTP laser shows very good results in telangiectasia, the dye laser and IPL devices are used preferably in erythema...
December 2016: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
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