journal
https://read.qxmd.com/read/38898778/altering-co-2-laser-pulse-energy-settings-did-not-influence-differential-gene-transcription-in-normal-skin-in-a-red-duroc%C3%A2-pig-model
#1
JOURNAL ARTICLE
Lou'ay K Hussein, Taryn E Travis, Lauren T Moffatt, Jeffrey W Shupp, Bonnie C Carney
OBJECTIVES: Fractional ablative CO2 lasers are used clinically to treat cutaneous burn scars with reported varying degrees of effectiveness. It was hypothesized that different laser pulse energy settings may lead to differential gene transcription in a porcine model. METHODS: Uninjured skin from red Duroc pigs was treated with a fractional ablative CO2 laser set to 70, 100, or 120 mJ across the abdomen (n = 4 areas per treatment). Punch biopsies of both treated and untreated sites were taken before treatment (baseline), at 30 min, and at each hour for 6 h and stored in All-Protect tissue reagent...
June 19, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38890816/efficacy-and-safety-of-577-nm-yellow-laser-in-the-treatment-of-pigmented-epidermal-lesions
#2
JOURNAL ARTICLE
Essamelden M Mohamed, Hazem L Abd Elaleem, Mona A H Ahmed, Mahmoud A Rageh
OBJECTIVES: Freckles and lentigines are common pigmented problems which not only cause substantial cosmetic morbidity but also create psychosocial concern. The available modalities for the treatment of pigmented lesions are often unsatisfactory for patients, require a long treatment period, and often cause skin irritation. With the advent of lasers, safe and effective treatment options for epidermal pigmentation have become more varied for different Fitzpatrick skin types. We aimed to evaluate the efficacy and safety of 577-nm yellow laser in the treatment of pigmented epidermal lesions...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38890796/postoperative-time-and-anatomic-location-influence-skin-graft-reperfusion-assessed-with-laser-speckle-contrast-imaging
#3
JOURNAL ARTICLE
André Pinho, Ana Brinca, Joana Xará, Mariana Batista, Ricardo Vieira
OBJECTIVES: Under optimal conditions, afferent and efferent human skin graft microcirculation can be restored 8-12 days postgrafting. Still, the evidence about the reperfusion dynamics beyond this period in a dermato-oncologic setting is scant. We aimed to characterise the reperfusion of human skin grafts over 4 weeks according to the necrosis extension (less than 20%, or 20%-50%) and anatomic location using laser speckle contrast imaging (LSCI). METHODS: Over 16 months, all eligible adults undergoing skin grafts following skin cancer removal on the scalp, face and lower limb were enroled...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38890781/evaluation-of-a-novel-ablative-1940%C3%A2-nm-pulsed-laser-for-skin-rejuvenation
#4
JOURNAL ARTICLE
Yoav Gronovich, Yaniv Raderman, Ronen Toledano, Rotem Nahear, Neria Suliman, Alon Shacham, David Fridman, Salman Noach
BACKGROUND: Skin rejuvenation is a widely sought-after goal, prompting advancements in laser technology for noninvasive and effective treatments. Ablative lasers, in particular, have evolved to address diverse skin concerns, with fractional ablative lasers offering better-tolerated outcomes. The introduction of a novel ablative Thulium pulsed laser, based on Thulium-doped Yttrium aluminum Perovskite (Tm:YAP) crystal, delivers precise and controlled skin rejuvenation by allowing customization of ablative microcolumns...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38890780/optical-effects-of-focused-fractional-nanosecond-1064-nm-nd-yag-laser-techniques-of-application-on-human-skin
#5
JOURNAL ARTICLE
Connie Liu, Hsin-Yi Huang, Yu-Yang Chang, Chi-Kuang Sun, Shih-Hsuan Chia, Yi-Hua Liao
BACKGROUND AND OBJECTIVES: Considering the pulse widths of picosecond and nanosecond lasers used in cutaneous laser surgery differ by approximately one order of magnitude, can nanosecond lasers produce the optical effect in human skin similar to laser-induced optical breakdown (LIOB) caused by picosecond lasers? METHODS: Cutaneous changes induced by a focused fractional nanosecond 1064-nm Nd:YAG laser were evaluated by VISIA-CR imaging, histological examination, and harmonic generation microscopy (HGM)...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38890778/fractional-radiofrequency-and-oral-isotretinoin-a-prospective-randomized-controlled-split-face-trial-comparing-concurrent-versus-delayed-fractional-radiofrequency-treatment-for-acne-scars
#6
JOURNAL ARTICLE
Elisa S Gallo, Uriel Katz, Ofir Artzi
BACKGROUND: Therapeutic dogma has been to treat acne scars no less than 6 months after isotretinoin (ITN) cessation. OBJECTIVE: To evaluate the safety and efficacy of fractional radiofrequency (FRF) in patients treated concurrently with ITN. METHODS: We conducted a prospective randomized control 3-arm comparative trial to evaluate the treatment of acne scars. Patients received one of three treatment options: (A) ITN and FRF concurrent treatment, (B) ITN monotherapy, and (C) FRF 6 months post-ITN treatment...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38888133/comprehensive-evaluation-of-the-beshape-one-device-assessing-thermal-safety-in-noninvasive-body-contouring-using-advanced-techniques
#7
JOURNAL ARTICLE
Yuval Ramot, Vitaly Karakuz, Ehud P Willenz, Tal Alon, Deniz Zilberman Barzilai, Oren Beer, Abraham Nyska
OBJECTIVES: This study aims to assess the thermal safety profile of the BeShape One Device, a noninvasive, high-intensity, non-focused ultrasound device designed for reducing waist circumference. This device possesses several features that distinguish it from other commercial ultrasound-based fat reduction devices. The study focuses on evaluating temperature-related physiological changes through thermal safety analysis and histopathology in a swine model. MATERIALS AND METHODS: The study utilized three types of applicators-active, demo, and modified-to comprehensively assess the device's impact on various skin layers...
June 18, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38840573/letter-to-the-editor
#8
LETTER
Yan Yan, Baoxi Wang
No abstract text is available yet for this article.
June 6, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38804170/jet-injection-assisted-photodynamic-therapy-for-superficial-and-nodular-basal-cell-carcinoma-a-pilot-study
#9
JOURNAL ARTICLE
Leore Lavin, Andrés M Erlendsson, Saud Aleissa, Abdullah Aleisa, Christian Menzer, Stephen Dusza, Miguel Cordova, Hesham Alshaikh, Rohan Shah, Alexander Pan, Kwami Ketosugbo, Sharif Hosein, Erica Lee, Kishwer Nehal, Katrine Togsverd-Bo, Merete Haedersdal, Anthony Rossi
BACKGROUND: Photodynamic therapy (PDT) with topical δ-Aminolevulinic acid (ALA) has efficacy in treating basal cell carcinoma (BCC) but is limited by incomplete penetration of ALA into the deeper dermis. This prospective open-label pilot trial investigated the safety and efficacy of photosensitizer jet injection for PDT (JI-PDT) for BCC treatment. It was performed with 15 patients (n = 15) with histologically confirmed, untreated, low-risk nodular BCCs at a single institution...
May 28, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38769894/efficacy-of-laser-hair-removal-in-hidradenitis-suppurativa-a-systematic-review-and-meta-analysis
#10
REVIEW
William D Shipman, Monica N Williams, Kathleen C Suozzi, Anna S Eisenstein, Jeffrey S Dover
OBJECTIVES: Hidradenitis suppurativa (HS) is a chronic inflammatory condition characterized by painful nodules, draining tunnels, and fibrotic scarring in intertriginous, hair-bearing areas. The pathogenesis involves follicular occlusion and subsequent rupture, leading to uncontrolled inflammation. Treatment options for HS are limited and lack universal effectiveness. Laser hair removal (LHR) has been explored as a potential treatment; however, the efficacy and appropriate laser modalities remain unclear...
May 20, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38741345/intraoral-laser-hair-removal-a-scoping-review
#11
REVIEW
Abigail Katz, Ryan Rivera-Oyola, Carrie Levinson, Jessica G Labadie
PURPOSE: Intraoral hair growth is a debilitating side effect of flap or graft-based oropharyngeal reconstruction. There is no standardized treatment, but groups have successfully eradicated unwanted hair growth with intraoral laser hair removal. This scoping review assesses the utility of laser therapy in managing this condition. METHODS: This scoping review followed PRISMA-ScR guidelines. Ovid Medline, Embase (Ovid) and Scopus were queried using index terms and keywords...
May 13, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38738401/excimer-laser-coronary-angioplasty-combined-with-drug-coated-balloon-in-the-treatment-of-in-stent-restenosis
#12
JOURNAL ARTICLE
Pan He, Haiwei Chen, Junjie Yang, Lei Gao, Jun Guo, Yundai Chen, Qi Wang
OBJECTIVES: The aim of this study is to investigate the safety and efficacy of excimer laser coronary angioplasty (ELCA) combined with drug-coated balloons (DCBs) in the treatment of in-stent restenosis (ISR), and to explore whether the contrast injection technique would improve the neointimal tissue ablation of ELCA. METHODS: We studied patients diagnosed with ISR between January 2019 and October 2022 at two medical centers. These patients underwent DCB angioplasty guided by optical coherence tomography (OCT)...
May 13, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38716679/histological-analysis-of-laser-enabled-tissue-coring-with-a-novel-2910%C3%A2-nm-erbium-doped-fluoride-glass-fiber-laser
#13
JOURNAL ARTICLE
Taryn N Murray, Hasina Maredia, Paul M Friedman
OBJECTIVES: There remains an unmet need for a laser-enabled tissue coring device that can effectively improve face and neck skin laxity and rhytides. We investigate a novel 2910 nm erbium-doped fluoride glass fiber laser (2910 nm fiber laser) (UltraClear; Acclaro Medical) for laser-coring of submental tissue. METHODS: Five subjects, Glogau scale III-IV, were treated with a single pulse of the laser-coring mode of the 2910 nm fiber laser in the submentum...
May 8, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38711166/picosecond-alexandrite-laser-treatment-of-nevus-of-ota-in-children
#14
REVIEW
Wenwen Zhao, Ying Yang, Hualing Shi, Lifang Guo, Hui Ding, Huiying Zhen, Tong Lin, Yiping Ge
BACKGROUND: The picosecond alexandrite laser has been safely and effectively used to treat the nevus of Ota in adults. However, limited data are available for children. OBJECTIVE: To investigate the efficacy, safety, and correlative influencing factors of a 755nm picosecond alexandrite laser in the treatment of nevus of Ota in children. METHODS: We retrospectively analyzed Chinese children with nevus of Ota who received a 755nm picosecond alexandrite laser treatment in a tertiary dermatological hospital...
May 6, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38693708/effective-treatment-of-corticosteroid-induced-facial-erythema-using-fractional-radiofrequency-microneedling
#15
JOURNAL ARTICLE
Xiaowen Huang, Siqi Zheng, Pingjiao Chen, Menghua Zhu, Jia Guo, Qian Li, Kang Zeng, Sijin He
OBJECTIVES: To investigate the efficacy of Fractional Radiofrequency Microneedling (FRM) in treating corticosteroid-induced facial erythema. METHODS: A retrospective study was conducted involving eight patients diagnosed as corticosteroid-induced facial erythema. Each patient underwent a single session of FRM. Evaluative measures included Clinician's Erythema Assessment (CEA), Patient's Self-Assessment (PSA), assessment of telangiectasia severity, procedure-associated pain (10-point scale), patient satisfaction (3-point scale) and secondary outcomes...
May 1, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38650443/in-vivo-assessment-of-bladder-cancer-with-diffuse-reflectance-and-fluorescence-spectroscopy-a-comparative-study
#16
JOURNAL ARTICLE
Nadezhda V Zlobina, Gleb S Budylin, Polina S Tseregorodtseva, Viktoria A Andreeva, Nikolay I Sorokin, David M Kamalov, Andrey A Strigunov, Artashes G Armaganov, Armais A Kamalov, Evgeny A Shirshin
OBJECTIVES: The aim of this work is to assess the performance of multimodal spectroscopic approach combined with single core optical fiber for detection of bladder cancer during surgery in vivo. METHODS: Multimodal approach combines diffuse reflectance spectroscopy (DRS), fluorescence spectroscopy in the visible (405 nm excitation) and near-infrared (NIR) (690 nm excitation) ranges, and high-wavenumber Raman spectroscopy. All four spectroscopic methods were combined in a single setup...
April 22, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38605495/percutaneous-delivery-of-liquid-tetracycline-using-a-thermal-resurfacing-drug-delivery-system-for-the-treatment-of-festoons
#17
JOURNAL ARTICLE
Margarita Safir, Inbar Waizer, Ari Safir, Morris E Hartstein, Ofir Artzi
OBJECTIVES: To examine the effects of percutaneous tetracycline delivery to the malar area using a thermomechanical device (Tixel) in patients suffering from festoons. METHODS: This retrospective study included patients who underwent combination treatment with a thermomechanical device (Tixel) followed by application of topical tetracycline 1% at two private clinics between 2019 and 2023. Demographic and medical data, treatment parameters along with before and after treatment photographs were retrieved retrospectively...
April 11, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38605494/influence-of-vitamins-and-food-on-the-fluorescence-spectrum-of-human-urine
#18
JOURNAL ARTICLE
Praveen Chalissery, Christian Homann, Herbert Stepp, Maximilian Eisel, Maximilian Aumiller, Adrian Rühm, Alexander Buchner, Ronald Sroka
OBJECTIVES: Fluorescence spectroscopy of human urine is a method with the potential to gain importance as a diagnostic tool in the medical field, e.g., for measuring Coproporphyrin III (CPIII) as an indicator of cancer and acute types of porphyria. Food can change human urine's color, which could influence the urine fluorescence spectrum and the detection of CPIII in urine. To determine if there is a noticeable influence on the urine fluorescence spectrum or on the detection of CPIII in urine, 16 vitamin supplements, and three food items were tested...
April 11, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38576388/modeling-pulsed-dye-laser-treatment-of-psoriatic-plaques-by-combining-numerical-methods-and-image-derived-lesion-morphologies
#19
JOURNAL ARTICLE
Leah S Wilk, Meagan Doppegieter, Nick van der Beek, Ton G van Leeuwen, Maurice C G Aalders
OBJECTIVES: Knowledge of the physical effects of pulsed dye laser (PDL) treatment of psoriatic lesions is essential in unraveling the remedial mechanisms of this treatment and hence also in maximizing in its disease-modifying potential. Therefore, the main objective of this study was to provide estimates of these physical effects (for laser wavelengths of 585 and 595 nm), with the aim of identifying pathogenic processes that may be affected by these conditions. METHODS: We modeled the laser light propagation and subsequent photothermal heating by numerically solving the transient diffusion and heat equations simultaneously...
April 5, 2024: Lasers in Surgery and Medicine
https://read.qxmd.com/read/38570914/evaluating-the-effect-of-pulse-energy-on-femtosecond-laser-trabeculotomy-flt-outflow-channels-for-glaucoma-treatment-in-human-cadaver-eyes
#20
JOURNAL ARTICLE
Shangbang Luo, Eric R Mikula, Reza Khazaeinezhad, Samantha M Bradford, Fengyi Zhang, James V Jester, Tibor Juhasz
BACKGROUND AND OBJECTIVES: Femtosecond laser trabeculotomy (FLT) creates aqueous humor outflow channels through the trabecular meshwork (TM) and is an emerging noninvasive treatment for open-angle glaucoma. The purpose of this study is to investigate the effect of pulse energy on outflow channel creation during FLT. MATERIALS AND METHODS: An FLT laser (ViaLase Inc.) was used to create outflow channels through the TM (500 μm wide by 200 μm high) in human cadaver eyes using pulse energies of 10, 15, and 20 μJ...
April 3, 2024: Lasers in Surgery and Medicine
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