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https://www.readbyqxmd.com/read/28548228/skin-reactions-after-photodynamic-therapy-are-unaffected-by-839%C3%A2-nm-photobiomodulation-therapy-a-randomized-double-blind-placebo-controlled-clinical-trial
#1
Christiane Bay, Anne-Cathrine Vissing, Daniel Thaysen-Petersen, Catharina Margrethe Lerche, Katrine Togsverd-Bo, Jakob Heydenreich, Merete Haedersdal
BACKGROUND AND OBJECTIVE: Photodynamic therapy (PDT) is associated with erythema and edema. Photobiomodulation (PBM) therapy may stimulate the skin recovery process. We investigated the potential of PBM to reduce PDT-induced skin reactions. STUDY DESIGN AND METHODS: Healthy volunteers (n = 20) were randomized to receive left- or right side PBM (near-infrared 839/595 nm) or placebo-PBM (595 nm) on their buttocks. Corresponding test areas were exposed to standardized PDT reactions, using ablative fractional laser-assisted PDT (AFXL-PDT) with methyl-aminolevulinate (MAL) incubated for 30, 90, and 180 minutes before red-light illumination...
May 26, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28544707/the-use-of-co2-laser-in-skin-complications-following-baha-implantation-our-experience-in-the-eight-patients
#2
Maciej Sokola, Katarzyna Malec, Pawel Brzewski, Pawel Dobosz
1 Skin reactions are the most common complications after BAHA implantation. 2 The excess of soft tissue leads to inability to tack the hearing ad to the abutment which prevents the effective use of sound processor. 3 This is a prospective case series of 8 patients with skin overgrowth around the BAHA abutments treated with CO2 laser. 4 This case-series suggest that CO2 laser is safe and easy method for the treatment of the skin overgrowth around the BAHA abutment. 5 This is the first case series presentation of the CO2 laser surgery for treatment of the skin overgrowth around the abutment of BAHA This article is protected by copyright...
May 22, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28543887/treatment-of-venous-lake-with-multi-wavelength-595-and-1064-nm-lasers-in-asian-fitzpatrick-skin-type-iv-patients
#3
Jing Yang, Xiaohong Guo, Xiaorong Tong, Juan Tao
BACKGROUND: Multi-wavelength lasers are reportedly useful for treating venous lake (VL) in Caucasian patients. However, the same parameters may not be safe for Asian patients with Fitzpatrick skin type (FST) IV. PURPOSE: Report experience with using multi-wavelength laser for VL treatment in Asian patients with FST IV. METHODS: Seventeen episodes of VL in 15 Chinese patients with FST IV were treated. 595-nm pulsed dye (PDL) laser followed by 1,064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser were administered...
May 24, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/28543730/treatment-of-disseminated-superficial-actinic-porokeratosis-with-oral-alitretinoin
#4
B J Park, E H Oh, J E Kim, J Y Ko, Y S Ro
Disseminated superficial actinic porokeratosis (DSAP), the most common type of porokeratosis, usually presents as large numbers of lesions on sun-exposed skin. Although several treatment options including corticosteroids, keratolytics, 5-fluorouracil, imiquimod, vitamin D3 analogues, cryotherapy, curettage, laser therapy and dermabrasion may be considered, there is no evidence-based standard treatment.(1-2) Patient 1 was a 26-year-old female who presented with a 2-year history of progressive scaly macules on both upper and lower extremities...
May 22, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28538747/a-retrospective-review-of-light-and-laser-based-management-of-hidradenitis-suppurativa
#5
Melissa A Levoska, Cynthia L Nicholson, Iltefat H Hamzavi
Hidradenitis suppurativa (HS) is a chronic skin disease that is difficult to manage and often refractory to medical management. Light and laser therapies have been utilized in the field of dermatology to treat a variety of skin conditions, but more recently were studied in the management of HS. Usually performed as outpatient procedures with a low risk of complications, they offer several advantages to traditional cold knife surgical procedures. We reviewed the various light- and laser-based treatments studied in HS and compared their efficacy...
June 2017: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28527126/polycaprolactone-based-nanoparticles-loaded-with-indomethacin-for-anti-inflammatory-therapy-from-preparation-to-ex-vivo-study
#6
Waisudin Badri, Karim Miladi, Sophie Robin, Céline Viennet, Qand Agha Nazari, Géraldine Agusti, Hatem Fessi, Abdelhamid Elaissari
PURPOSE: This work focused on the preparation of polycaprolactone based nanoparticles containing indomethacin to provide topical analgesic and anti-inflammatory effect for symptomatic treatment of inflammatory diseases. Indomethacin loaded nanoparticles are prepared for topical application to decrease indomethacin side effects and administration frequency. Oppositely to already reported works, in this research non-invasive method has been used for the enhancement of indomethacin dermal drug penetration...
May 19, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28523497/maldi-msi-of-lipids-in-human-skin
#7
Philippa J Hart, Malcolm R Clench
Matrix-assisted laser desorption ionization (MALDI) mass spectrometry (MS) is now a well-established technique for imaging analysis of sectioned biological tissues. One of the growing areas of interest is in the analysis of skin. MALDI-MSI can provide a wealth of information from within sections of skin. This includes information on the distribution of pharmaceuticals following topical treatments, through to the examination of the composition of different skin layers and studies of proteomic, lipidomic, and metabolomic responses to disease, wounds, and external stimuli...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28521102/co2-delivery-to-accelerate-incisional-wound-healing-following-single-irradiation-of-near-infrared-lamp-on-the-coordinated-colloids
#8
Wei-Peng Li, Chia-Hao Su, Sheng-Jung Wang, Fu-Ju Tsai, Chun-Ting Chang, Min-Chiao Liao, Chun-Chieh Yu, Thi-Tuong Vi Tran, Chaw-Ning Lee, Wen-Tai Chiu, Tak-Wah Wong, Chen-Sheng Yeh
Traditional wound care methods include wound infection control, adequate nutritional supplements, education of changing position every 2-3 h to avoid tissue hypoxia, vacuum assistant closure, debridement, skin graft, and tissue flap. Electric current stimulation, ultrasound, laser, and hydrotherapy have emerged as adjuvant therapies. However, most, if not all, of these therapies are expensive, and the treatment results are variable. The development of the active methods to improve wound healing is mandatory...
May 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/28516571/fsoca-induced-switchable-footpad-skin-optical-clearing-window-for-blood-flow-and-cell-imaging-in%C3%A2-vivo
#9
Rui Shi, Wei Feng, Chao Zhang, Zhihong Zhang, Dan Zhu
The mouse footpad for its feature of hairlessness provides an available window for imaging vascular and cellular structure and function in vivo. Unfortunately, the strong scattering of its skin limits the penetration of light and reduces the imaging contrast and depth. Herein, an innovative footpad skin optical clearing agent (FSOCA) was developed to make the footpad skin transparent quickly by topical application. The results demonstrate that FSOCA treatment not only allowed the cutaneous blood vessels and blood flow distribution to be monitored by laser speckle contrast imaging technique with higher contrast, but also permitted the fluorescent cells to be imaged by laser scanning confocal microscopy with higher fluorescence signal intensity and larger imaging depth...
May 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28511158/evolution-of-some-indicators-of-systemic-immunity-in-patients-with-acne-while-using-laser-therapy
#10
Marianna Dashko, Orysya Syzon, Iryna Voznyak
INTRODUCTION: One of the important problems in modern dermatology is to improve treatment efficiency of acne being a common cause for cicatricial skin changes, loss of performance capability and social activity and negatively affects the psycho-emotional state of patients and their quality of life. The topicality of the disease is due to the high degree of its proliferation, chronic and recurrent course, and resistance to existing therapies. Reducing the effectiveness of skin diseases treatment, including that of acne, at present, is associated with developing resistance to drugs, which causes the use of non-drug methods in dermatology nowadays, including low-intensity laser therapy...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28508243/low-level-laser-treatment-stimulates-hair-growth-via-upregulating-wnt10b-and-%C3%AE-catenin-expression-in-c3h-hej-mice
#11
Tiran Zhang, Liqiang Liu, Jincai Fan, Jia Tian, Cheng Gan, Zengjie Yang, Hu Jiao, Bing Han, Zheng Liu
This study was conducted in order to evaluate the role of low-level laser treatment (LLLT) in hair growth in C3H/HeJ mice. Healthy C57BL/6 mice were randomly divided into two groups: with and without low-level laser treatment. The skin color of each mouse was observed each day. Skin samples were collected for H&E, immunofluorescence, PCR, and western blot analysis, to observe the morphology of hair follicles and detect the expression levels of Wnt10b and β-catenin. Observation of skin color demonstrated that black pigmentation started significantly earlier in the laser group than in the control group...
May 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28502717/preferential-accumulation-of-gold-nanorods-into-human-skin-hair-follicles-effect-of-nanoparticle-surface-chemistry
#12
Nouf N Mahmoud, Alaaldin M Alkilany, Dörthe Dietrich, Uwe Karst, Amal G Al-Bakri, Enam A Khalil
HYPOTHESIS: Gold nanoparticles (GNP) are considered an ideal model to help understanding the nano-skin interface. The surface functionality of gold nanorods (GNR) is expected to influence the uptake of nanoparticles into specific targets of skin such as hair follicles or dermis. Hence, it should be possible to modify the surface chemistry of GNP to achieve more targeted and safe skin therapy. EXPERIMENTS: GNR functionalized with various surface ligands (neutral, anionic, cationic, and hydrophobic) were evaluated for their accumulation into hair follicles of human skin sheets using ex-vivo setup...
May 6, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28498204/asds-guidelines-task-force-consensus-recommendations-regarding-the-safety-of-lasers-dermabrasion-chemical-peels-energy-devices-and-skin-surgery-during-and-after-isotretinoin-use
#13
Abigail Waldman, Diana Bolotin, Kenneth A Arndt, Jeffrey S Dover, Roy G Geronemus, Anne Chapas, Sanjana Iyengar, Suzanne L Kilmer, Andrew C Krakowski, Naomi Lawrence, Heidi B Prather, Thomas E Rohrer, Bethanee J Schlosser, John Y S Kim, Peter R Shumaker, Leah K Spring, Murad Alam
BACKGROUND: Currently, the isotretinoin (13-cis-retinoic acid) package insert contains language advising the discontinuation of isotretinoin for 6 months before performing cosmetic procedures, including waxing, dermabrasion, chemical peels, laser procedures, or incisional and excisional cold-steel surgery. It is common practice to follow this standard because of concerns regarding reports of sporadic adverse events and increased risk of scarring. OBJECTIVE: To develop expert consensus regarding the safety of skin procedures, including resurfacing, energy device treatments, and incisional and excisional procedures, in the setting of concurrent or recent isotretinoin use...
May 10, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28498021/successful-treatment-of-becker-s-nevus-with-long-pulsed-1064nm-nd-yag-and-755nm-alexandrite-laser-and-review-of-the-literature
#14
Adam J Wulkan, Timothy McGraw, Mark Taylor
BACKGROUND: Becker's Nevus is an aesthetically troublesome condition secondary to hyperpigmentation and hypertrichosis. Although several lasers have been employed with varying degrees of success, the exact devices and treatment parameters have yet to be elucidated. OBJECTIVE: To assess the combination Nd:Yag and alexandrite laser as a safe and efficacious treatment for Becker's Nevus. METHODS: In a 20-year-old Fitzpatrick Skin Type IV male, a Becker's Nevus was treated with six sessions of long-pulsed 1,064nm Nd:Yag laser at six-week intervals followed by five sessions of long-pulsed 755nm alexandrite laser at three-month intervals...
May 12, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28494177/influence-of-low-level-laser-on-pain-and-inflammation-in-type-2-diabetes-mellitus-with-diabetic-dermopathy-a-case-report
#15
Animesh Hazari, Shivashankara K N, Karthik K Rao, Arun G Maiya
Numerous skin lesions have been commonly observed in individuals with diabetes mellitus. The common skin manifestations of diabetes mellitus are erythrsma, xanthosmatosis, xanthelasma, pycomycetes, and cutaneous infections like furuncolosis, candidiasis, carbuncle, dermatophytosis etc.Diabetic dermopathy is the most common skin lesion found in diabetics. It is typically seen in males above 50 years. Low level laser therapy was illuminated on the entire lower limb with the frequency of 20 Hz and wavelength of 830 nm for 9 minutes divided into four parts...
May 11, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28492049/a-review-of-laser-and-light-therapy-in-melasma
#16
REVIEW
M K Trivedi, F C Yang, B K Cho
Melasma is a dysregulation of the homeostatic mechanisms that control skin pigmentation and excess pigment is produced. Traditional treatment approaches with topical medications and chemical peels are commonly used but due to the refractory and recurrent nature of melasma, patients often seek alternative treatment strategies such as laser and light therapy. Several types of laser and light therapy have been studied in the treatment of melasma. Intense pulsed light, low fluence Q-switched lasers, and non-ablative fractionated lasers are the most common lasers and light treatments that are currently performed...
March 2017: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/28489260/histologic-changes-associated-with-talaporfin-sodium-mediated-photodynamic-therapy-in-rat-skin
#17
Wesley J Moy, Jonathan Yao, Sébastien M de Feraudy, Sean M White, Jocelynda Salvador, Kristen M Kelly, Bernard Choi
BACKGROUND AND OBJECTIVE: Alternative treatments are needed to achieve consistent and more complete port wine stain (PWS) removal, especially in darker skin types; photodynamic therapy (PDT) is a promising alternative treatment. To this end, we previously reported on Talaporfin Sodium (TS)-mediated PDT. It is essential to understand treatment tissue effects to design a protocol that will achieve selective vascular injury without ulceration and scarring. The objective of this work is to assess skin changes associated with TS-mediated PDT with clinically relevant treatment parameters...
May 10, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28485780/the-comparison-of-the-rejuvenation-effects-on-the-skin-of-wistar-rats-between-10600-nm-co2-fractional-laser-and-retinoic-acid
#18
Y Qu, W-Y Ma, Q Sun
OBJECTIVE: The fractional laser and topical retinoic acid treatment have been applied for skin rejuvenation; however, the possible molecular mechanism of promoting remodeling of dermis is not clearly. Here we aimed to compare the effects of 10600 nm CO2 fractional laser and topical retinoic acid formulation on the skin collagen proliferation of Wistar rats, and to further explore the possible molecular mechanism of promoting remodeling of dermis. MATERIALS AND METHODS: The hair on the back of Wistar rats was removed, and the back was divided equally into four regions with the cross-streaking method: A (the control group), B (the retinoic acid group), C (retinoic acid and fractional laser combination treatment group), and D (the fractional laser group)...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28485431/skin-safe-photothermal-therapy-enabled-by-responsive-release-of-acid-activated-membrane-disruptive-polymer-from-polydopamine-nanoparticle-upon-very-low-laser-irradiation
#19
Rui Zhu, Feng Gao, Ji-Gang Piao, Lihua Yang
How to ablate tumor without damaging skin is a challenge for photothermal therapy. We, herein, report skin-safe photothermal cancer therapy provided by the responsive release of acid-activated hemolytic polymer (aHLP) from the photothermal polydopamine (PDA) nanoparticle upon irradiation at very low dosage. Upon skin-permissible irradiation (via an 850 nm laser irradiation at the power density of 0.4 W cm(-2)), the nanoparticle aHLP-PDA generates sufficient localized-heat to bring about mild hyperthermia treatment and consequently, responsively sheds off the aHLP polymer from its PDA nanocore; this leads to selective cytotoxicity to cancer cells under the acidic conditions of the extracellular microenvironment of tumor...
May 9, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28476075/drugs-for-discoid-lupus-erythematosus
#20
REVIEW
Sue Jessop, David A Whitelaw, Matthew J Grainge, Prativa Jayasekera
BACKGROUND: Discoid lupus erythematosus (DLE) is a chronic form of cutaneous lupus, which can cause scarring. Many drugs have been used to treat this disease and some (such as thalidomide, cyclophosphamide and azathioprine) are potentially toxic. This is an update of a Cochrane Review first published in 2000, and previously updated in 2009. We wanted to update the review to assess whether any new information was available to treat DLE, as we were still unsure of the effectiveness of available drugs and how to select the most appropriate treatment for an individual with DLE...
May 5, 2017: Cochrane Database of Systematic Reviews
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