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Co2 fractional laser

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https://www.readbyqxmd.com/read/27909442/strong-coupling-of-shoot-assimilation-and-soil-respiration-during-drought-and-recovery-periods-in-beech-as-indicated-by-natural-abundance-%C3%AE-13-c-measurements
#1
Carola H Blessing, Matti Barthel, Lydia Gentsch, Nina Buchmann
Drought down-regulates above- and belowground carbon fluxes, however, the resilience of trees to drought will also depend on the speed and magnitude of recovery of these above- and belowground fluxes after re-wetting. Carbon isotope composition of above- and belowground carbon fluxes at natural abundance provides a methodological approach to study the coupling between photosynthesis and soil respiration (SR) under conditions (such as drought) that influence photosynthetic carbon isotope discrimination. In turn, the direct supply of root respiration with recent photoassimilates will impact on the carbon isotope composition of soil-respired CO2...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27900835/treatment-of-cutaneous-larva-migrans-with-a-single-session-of-carbon-dioxide-laser-a-study-of-ten-cases-in-the-philippines
#2
Livia Francine Soriano, Miriam Emily Piansay-Soriano
BACKGROUND: Cutaneous larva migrans (CLM) has a detrimental effect on patients' emotional and physical quality of life. Due to local unavailability of gold standard oral treatments for CLM, carbon dioxide laser was attempted. We present a case series where a single session of carbon dioxide laser treatment was associated with cessation of signs and symptoms of CLM. AIMS: The aim of this study was to assess the efficacy of a single session of carbon dioxide laser in the treatment of CLM...
November 29, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27896190/the-use-of-locally-applied-vibration-to-minimize-pain-during-fractional-co2-laser-therapy-in-living-liver-donor-scar-management
#3
Sinyoung Song, Dong Hoon Choi, Tae Suk Oh
BACKGROUND: Fractional CO2 laser is an effective treatment for scars, but most patients complain about sharp burning pain, even after the application of lidocaine ointment. This study analyzed the impact of a vibrating device to nonpharmacologically reduce the acute pain of laser treatment, in accordance with the gate control theory of pain management. METHODS: This is a prospective study performed from May 2013 through March 2014. Fifty-three patients (mean age, 26...
November 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27885682/fractional-laser-assisted-drug-uptake-impact-of-time-related-topical-application-to-achieve-enhanced-delivery
#4
Christina A Banzhaf, Daniel Thaysen-Petersen, Christiane Bay, Peter A Philipsen, Mette Mogensen, Tarl Prow, Merete Haedersdal
BACKGROUND AND OBJECTIVE: Ablative fractional laser (AFXL) is acknowledged to increase uptake of topically applied agents in skin. AFXL channels gradually close over time, which may impair this capability. The time frame for applying a drug after AFXL exposure remains to be established. The aim of this study, was to investigate the importance of time-related topical application after AFXL exposure and to relate resultant uptake in skin with AFXL channel morphology and skin integrity. STUDY DESIGN/MATERIALS AND METHODS: Buttock skin of healthy volunteers (n = 11) was exposed to 10,600 nm fractional CO2 laser using 5% density, 120 μm beam diameter, 15 mJ pulse energy...
November 25, 2016: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/27885522/efficacy-and-safety-of-fractional-co2-laser-versus-fractional-er-yag-laser-in-the-treatment-of-facial-skin-wrinkles
#5
Reza M Robati, Elmira Asadi
Ablative fractional lasers were introduced for treating facial rhytides. Few studies have compared fractional CO2 and Er:YAG lasers on cutaneous photodamages by a split trial. The aim of the present study was to compare these modalities in a randomized controlled double-blind split-face design with multiple sessions and larger sample size compared to previous studies done before. Forty patients with facial wrinkles were enrolled. Patients were randomly assigned to receive three monthly treatments on each side of the face, one with a fractional CO2 and one with a fractional Er:YAG laser...
November 24, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27864031/fractional-co2-laser-treatment-of-the-vestibule-for-patients-with-vestibulodynia-and-genitourinary-syndrome-of-menopause-a-pilot-study
#6
Filippo Murina, Mickey Karram, Stefano Salvatore, Raffaele Felice
INTRODUCTION: Chronic vulvar pain and burning remains one of the most perplexing problems faced by practicing gynecologists. AIM: To evaluate the effectiveness and safety of the application of micro-ablative fractional CO2 laser to the vulvar vestibule in the management of patients with vulvar pain from vestibulodynia or genitourinary syndrome of menopause. METHODS: Patients (N = 70) underwent fractional micro-ablative CO2 laser treatment for vestibular pain plus vestibulodynia (n = 37) or genitourinary syndrome of menopause (n = 33)...
December 2016: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/27862066/fractional-co2-laser-treatment-of-caesarean-section-scars-a-randomized-controlled-split-scar-trial-with-long-term-follow-up-assessment
#7
Katrine E Karmisholt, Elisabeth H Taudorf, Camilla B Wulff, Emily Wenande, Peter A Philipsen, Merete Haedersdal
BACKGROUND AND OBJECTIVES: Caesarean section (c-section) scars can be pose functional and cosmetic challenges and ablative fractional laser (AFXL) treatment may offer benefit to patients. We evaluated textural and color changes over time in AFXL-treated versus untreated control scars. MATERIALS AND METHODS: A randomized, controlled, intra-individual split-scar trial with three sessions of AFXL-treatments for mature c-section scars. Settings of AFXL were adjusted to each individual scar...
November 8, 2016: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/27858846/the-efficacy-of-fractional-carbon-dioxide-co2-laser-combined-with-luliconazole-1-cream-for-the-treatment-of-onychomycosis-a-randomized-controlled-trial
#8
Bing Rong Zhou, Yan Lu, Felicia Permatasari, He Huang, Jin Li, Juan Liu, Jia An Zhang, Dan Luo, Yang Xu
BACKGROUND: To evaluate the efficacy of fractional carbon dioxide (CO2) laser combined with luliconazole 1% cream for the treatment of onychomycosis and to compare it with that of fractional CO2 laser alone. METHODS: This was a randomized, parallel group, 2-arm, positive-controlled, single-center, superiority trial with a 1:2 allocation ratio. Sixty patients with clinical and mycological diagnosis of onychomycosis were enrolled from the Dermatology Department of the First Affiliated Hospital of Nanjing Medical University in Nanjing, China from March 2015 to May 2015...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27835937/fractional-laser-assisted-topical-delivery-leads-to-enhanced-accelerated-and-deeper-cutaneous-5-fluorouracil-uptake
#9
Emily Wenande, Uffe H Olesen, Mette M B Nielsen, Christian Janfelt, Steen Honoré Hansen, Rox Anderson, Merete Haedersdal
BACKGROUND: Topical 5-Fluorouracil (5-FU) exhibits suboptimal efficacy for non-melanoma skin cancer, attributed to insufficient intracutaneous penetration. This study investigates the impact of ablative fractional laser (AFXL) at different laser-channel depths on cutaneous 5-FU pharmacokinetics and biodistribution. METHODS: In vitro porcine skin underwent AFXL-exposure using a fractional 10,600nm CO2-laser, generating microscopic ablation zones (MAZ) reaching the dermoepidermal junction (MAZ-ED), superficial-(MAZ-DS), or mid-dermis(MAZ-DM)...
November 11, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27828835/prospective-evaluation-of-fractional-co2-laser-treatment-of-mature-burn-scars
#10
Sigrid Blome-Eberwein, Christina Gogal, Michael J Weiss, Deborah Boorse, Patrick Pagella
The authors conducted a prospective study of fractional CO2 laser treatment of mature burn scars, comparing objective and subjective scar measurements evaluating at least one treatment and one control scar on the same patient pre- and post treatments. After institutional review board approval, burn survivors with mature blatant burn scars were invited to enter the study. A series of three fractional CO2 laser treatments was performed in an office setting, using topical anesthetic cream, at 40 to 90 mJ, 100 to 150 spots per cm...
November 2016: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/27823733/microablative-fractional-co2-laser-therapy-and-the-genitourinary-syndrome-of-menopause-an-observational-study
#11
Eleni Pitsouni, Themos Grigoriadis, Angeliki Tsiveleka, Dimitris Zacharakis, Stefano Salvatore, Stavros Athanasiou
OBJECTIVES: This study aimed to assess the effect of the Microablative Fractional CO2 Laser (CO2-laser) therapy on vaginal pathophysiology and the symptoms of the Genitourinary Syndrome of Menopause (GSM). METHODS: Postmenopausal women with moderate to severe symptoms of GSM underwent three sessions of CO2-laser therapy at monthly intervals. Participants were evaluated at baseline and 4 weeks after the last treatment. MAIN OUTCOME MEASURES: The primary outcomes were Vaginal Maturation Value (VMV) and Vaginal Health Index Score (VHIS)...
December 2016: Maturitas
https://www.readbyqxmd.com/read/27818365/fractional-co2-lasers-contribute-to-the-treatment-of-stable-non-segmental-vitiligo
#12
Jinping Yuan, Hongqiang Chen, Ru Yan, Shaoshan Cui, Yuan-Hong Li, Yan Wu, Xing-Hua Gao, Hong-Duo Chen
BACKGROUND: Stable non-segmental vitiligo is often resistant to conventional therapies. OBJECTIVES: The purpose of this study was to investigate the effect of three types of fractional lasers in the treatment of stable non-segmental vitiligo. MATERIALS & METHODS: Twenty patients were enrolled in the study. The vitiligo lesions of each patient were divided into four treatment parts, and all parts were treated with narrowband ultraviolet-B (NB-UVB)...
November 4, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27762652/polydeoxyribonucleotide-improves-wound-healing-of-fractional-laser-resurfacing-in-rat-model
#13
Mi Yu, Jun Young Lee
BACKGROUND: Polydeoxyribonucleotide (PDRN) is an active compound that can promote wound healing. PDRN stimulates wound healing by enhancing angiogenesis and increasing fibroblast growth rates. Laser skin resurfacing is a popular cosmetic procedure for skin rejuvenation. Despite excellent improvement of photo-damaged skin and acne scarring, it is accompanied with drawbacks, such as prolonged erythema and crusting. OBJECTIVE: This study was designed to assess the effect of PDRN on wounds induced by fractional laser resurfacing...
December 2, 2016: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/27761667/co2-laser-increases-the-regenerative-capacity-of-human-adipose-derived-stem-cells-by-a-mechanism-involving-the-redox-state-and-enhanced-secretion-of-pro-angiogenic-molecules
#14
Alina Constantin, Madalina Dumitrescu, Maria Cristina Mihai Corotchi, Dana Jianu, Maya Simionescu
CO2 laser has a beneficial effect on stem cells by mechanisms that are not clearly elucidated. We hypothesize that the effect of fractional CO2 laser on human adipose-derived stem cells (ADSC) could be due to changes in redox homeostasis and secretion of factors contributing to cellular proliferation and angiogenic potential. ADSC incubated in medium containing 0.5 or 10 % FBS were exposed to a single irradiation of a 10,600-nm fractional CO2 laser; non-irradiated ADSC were used as control. Viability/proliferation of ADSC was assessed by MTT assay; the intracellular reactive oxygen species (ROS) levels and the mitochondrial membrane potential (∆Ψm) were determined with DCFH-DA and JC-1 fluorescent probes, respectively...
October 20, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27707636/ablative-fractional-co2-laser-for-burn-scar-reconstruction-an-extensive-subjective-and-objective-short-term-outcome-analysis-of-a-prospective-treatment-cohort
#15
Andrea C Issler-Fisher, Oliver M Fisher, Ania O Smialkowski, Frank Li, Constant P van Schalkwyk, Peter Haertsch, Peter K M Maitz
BACKGROUND: The introduction of ablative fractional CO2 lasers (CO2-AFL) for burn scar management shows promising results. Whilst recent studies have focused on objective scar outcomes following CO2-AFL treatment, to date no data on patient subjective factors such as quality of life are available. METHODS: A prospective study was initiated to analyze the safety and efficacy of the CO2-AFL. Various objective and subjective outcome parameters were prospectively collected from the date of first consultation and follow-up following treatment...
October 1, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/27678561/microablative-fractional-co2-laser-for-vulvovaginal-atrophy-in-women-with-a-history-of-breast-cancer
#16
U Leone Roberti Maggiore, M Parma, M Candiani, S Salvatore
No abstract text is available yet for this article.
November 2015: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27659955/the-healing-effect-of-pistacia-lentiscus-fruit-oil-on-laser-burn
#17
Sameh Ben Khedir, Sana Bardaa, Naourez Chabchoub, Dorsaf Moalla, Zouheir Sahnoun, Tarek Rebai
CONTEXT: Since antiquity, Pistacia lentiscus L. (Anacardiaceae) fruit oil (PLFO) has been used as a remedy for primary health care such as burn treatment. OBJECTIVE: This study assesses the healing effect of PLFO on CO2 laser fractional burn in a rat model. MATERIALS AND METHODS: The study was carried out on 18 adult male Wistar rats. A second-degree laser burn (wound area = 2.2 cm(2)) was inflicted in the dorsal region by the application of CO2 fractional laser within the following parameters; Energy level: 25 MJ and Depth level: 4...
September 23, 2016: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27648595/fractional-microablative-co2-laser-for-vulvovaginal-atrophy-in-women-treated-with-chemotherapy-and-or-hormonal-therapy-for-breast-cancer-a-retrospective-study
#18
Tiziana Pagano, Pasquale De Rosa, Roberta Vallone, Francesco Schettini, Grazia Arpino, Sabino De Placido, Giovanni Nazzaro, Mariavittoria Locci, Giuseppe De Placido
OBJECTIVES: Breast cancer is one of the most common malignancies in women. Hormonal treatment and chemotherapy induce a transient or permanent menopause status. Vulvovaginal atrophy (VVA) is a frequent debilitating symptom of menopause that is best treated with local or systemic estrogen formulations. Because estrogens drive the growth of the majority of breast cancers, most effective VVA therapies are precluded. The aim of this study was to evaluate the effects of fractional microablative CO2 laser on sexual function and in relieving symptoms in women with breast cancer and VVA induced or exacerbated by iatrogenic menopause...
October 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27631461/single-session-treatment-of-rolling-acne-scars-using-tumescent-anesthesia-20-trichloracetic-acid-extensive-subcision-and-fractional-co2-laser
#19
Mark B Taylor, Lisa Zaleski-Larsen, Timothy A McGraw
BACKGROUND: Successful treatment of acne scars is challenging. Many modalities have been used with marginal success. OBJECTIVE: The authors describe a combination of a superficial chemical peel, subcision, and fractional carbon dioxide (CO2) laser resurfacing in a single-treatment session as a novel treatment approach for rolling acne scars. METHODS: A total of 114 patients (75 women and 39 men) with predominantly rolling acne scars were treated with a 20% trichloracetic acid chemical peel, subcision with a novel dissecting instrument, and the CO2 laser under tumescent anesthesia...
September 14, 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27605303/fractional-resurfacing-in-the-asian-patient-current-state-of-the-art
#20
Heidi Wat, Douglas C Wu, Henry Hin Lee Chan
BACKGROUND AND OBJECTIVE: Fractionated photothermolysis (FP) has revolutionized modern laser technology. By creating selective columns of microthermal damage, fractionated devices allows for greater treatment depths to be achieved without the prolonged downtime and risk of complications seen in traditional fully ablative laser resurfacing. Fractional resurfacing is a proven method to treat a variety of cutaneous conditions. In the Caucasian patient, a wide range of devices and treatment settings can be utilized safely and effectively...
September 8, 2016: Lasers in Surgery and Medicine
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