2,569 results match your criteria Lasers in Medical Science [Journal]


The skin rejuvenation associated treatment-Fraxel laser, Microbotox, and low G prime hyaluronic acid: preliminary results.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Department of Oral and Maxillofacial Surgery, University of Verona, Policlinico G.B. Rossi, Piazzale L. Scuro, 10, 37134, Verona, Italy.

Minimally invasive facial rejuvenation procedures reached an all-time high in the 2016. This reveals a growing interest in a smoother, younger, and tighter look accessible using the esthetic medicine tools like botulinum toxin and dermal filler injections, laser, and microdermabrasion. Forty-five patients from 35 to 52 years old (medium age 43. Read More

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http://dx.doi.org/10.1007/s10103-019-02738-zDOI Listing
February 2019
7 Reads

Effects of low-level laser therapy on the organization of articular cartilage in an experimental microcrystalline arthritis model.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Programa de Pós-graduação em Ciências Biomédicas, Centro Universitário da Fundação Hermínio Ometto - FHO, Av. Dr. Maximiliano Baruto, 500 Jd. Universitário, Araras, SP, 13607-339, Brazil.

The aim of this study was to evaluate the effects of low-level laser therapy using the gallium arsenide laser (λ = 830 nm) on the articular cartilage (AC) organization from knee joint in an experimental model of microcrystalline arthritis in adult male Wistar rats. Seventy-two animals were divided into three groups: A (control), B (induced arthritis), and C (induced arthritis + laser therapy). The arthritis was induced in the right knee using 2 mg of NaPO in 0. Read More

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http://dx.doi.org/10.1007/s10103-019-02740-5DOI Listing
February 2019
2 Reads

Influence of Er:YAG laser pulse duration on the long-term stability of organic matrix and resin-dentin interface.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Department of Operative Dentistry, School of Dentistry, University of Sao Paulo, Av. Prof. Lineu Prestes, 2227, Cidade Universitária, São Paulo, SP, 05508-000, Brazil.

The purpose of this study was to explore the influence of Er:YAG laser irradiation with different pulse durations on the organic matrix, micromorphology of the hybrid layer (HL), and bond strength over time. Sixty caries-free human molars were cut to obtain flat dentin surfaces which were randomly divided into 4 groups: control (not irradiated-G1) and laser groups (80 mJ/2 Hz) with pulse duration ranging between 50 (G2), 300 (G3), and 600 μs (G4). A self-etch adhesive system (Universal 3M ESPE) was applied on pre-treated dentin surfaces and cylinders of resin composite were built up and stressed in a universal testing machine (μSBS) at 24 h and after12 months (n = 12). Read More

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http://dx.doi.org/10.1007/s10103-019-02739-yDOI Listing
February 2019
1 Read

Theoretical and experimental modeling of interstitial laser hyperthermia with surface cooling device using Nd-doped nanoparticles.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilov str. 38, Moscow, Russia, 119991.

To improve methods of laser hyperthermia for the treatment of bulk malignant neoplasms, an urgent task is the development of techniques and devices that automatically control heating at a given tissue depth and ensure its uniformity. The article proposes the concept of a system for performing hyperthermia with real-time spectroscopic temperature control and surface cooling, which allows to record spectra of diffusely scattered radiation and fluorescent signal from various depths of biological tissues by the means of the variation of the angle and distance between the fiber source of laser radiation and the receiving fiber. Theoretical and experimental modeling of the spatial distribution of diffusely scattered radiation and temperature inside the tissue with a fiber optic device providing surface cooling of the irradiated tissue, and recording spectral information from a given depth in real time, is presented. Read More

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http://dx.doi.org/10.1007/s10103-019-02742-3DOI Listing
February 2019
2 Reads

Voice improvement in patients with recurrent respiratory papillomatosis after combined treatment with cidofovir and CO laser surgery.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Department of Otolaryngology, Head and Neck Surgery Poznań University of Medical Sciences, Przybyszewskiego 49, 60-355, Poznań, Poland.

Mechanical debulking of laryngeal papillomas is associated with voice disorders due to impairment of the vocal fold's mucosa. Intraepithelial injection of cidofovir reduces damage to the laryngeal structures and thus improves vocal parameters. The aim of our study was to compare vocal quality before and after cidofovir and CO laser treatment by means of objective phoniatric parameters and to obtain evidence concerning voice outcomes. Read More

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http://dx.doi.org/10.1007/s10103-019-02735-2DOI Listing
February 2019
2 Reads

Minimally invasive erbium laser treatment for selected snorers.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, ul. Poniatowskiego 15, 40-055, Katowice, Poland.

The aim of this paper is to present our results and experience in the treatment of snoring using the non-ablative Erbium: Yttrium Aluminum Garnet (Er:YAG) laser. Twenty-four patients (18 male and 6 female) with snoring problems due to soft palate hypertrophy were treated with 3 treatment procedures with Er:YAG 2940-nm laser (long pulse mode, 10 Hz, fluence 1.8-2. Read More

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http://dx.doi.org/10.1007/s10103-019-02731-6DOI Listing
February 2019

Posterior laryngofissure using a surgical contact diode laser: an experimental feasibility study.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Division of Thoracic Surgery, Thoracic Surgery Research Laboratory (LIM-61), Heart Institute (InCor) do Hospital das Clinicas da Faculdade de Medicina da Universidade de Sao Paulo, Rua Dr. Eneas de Carvalho Aguiar 44, Bloco I, 7° andar, São Paulo, SP, 05403-000, Brazil.

To evaluate the feasibility of a 980-nm contact diode laser (CDL) as a method for creating a posterior laryngofissure in live pigs. Twenty-eight Landrace pigs (15-20 kg) were anesthetized, intubated, ventilated, and submitted to a cervical tracheostomy. An anterior and posterior midline longitudinal laryngofissure incision was created according to randomization-control (n = 4), posterior laryngofissure with a scalpel blade; electrocautery (n = 12), posterior laryngofissure by electrocautery (10, 15, 20, 25 W powers); CDL (n = 12), posterior laryngofissure by the CDL (10, 15, 20, 25 W peak powers in pulsed mode). Read More

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http://dx.doi.org/10.1007/s10103-019-02729-0DOI Listing
February 2019
1 Read

Lasers for Becker's nevus.

Lasers Med Sci 2019 Feb 14. Epub 2019 Feb 14.

Aesthetic Department, Dermatology Hospital, Southern Medical University, Guangzhou, 510091, China.

Becker's nevus is a common pigmented dermatosis, usually featured by ipsilateral pigmented patch with hypertrichosis. Becker's nevus is often treated with various types of lasers although other regimens are available. However, clinical outcomes appear inconsistent among studies. Read More

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http://dx.doi.org/10.1007/s10103-019-02734-3DOI Listing
February 2019

Factors responsible for the development of carbon granuloma post transoral laser cordectomy.

Lasers Med Sci 2019 Feb 13. Epub 2019 Feb 13.

Bombay Hospital Voice and Swallowing Centre, 2nd floor, MRC, Bombay Hospital & Medical Research Centre, 12 New Marine Lines, Mumbai, Maharashtra, 400020, India.

Our study was performed with an aim to analyse the factors responsible for the formation of a carbon granuloma (CG) following transoral laser microlaryngeal cordectomy (TLMC) for early glottic carcinoma. Our study comprises of retrospective data analysis of 78 patients who underwent TLMC for early glottic carcinoma between 2012 and 2017 with the laser settings of an acublade with scanning system, size 1-2 mm, depth 1-3 (250-750 μm), power 10 watts in a repeat mode with time off 0.25 s. Read More

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http://dx.doi.org/10.1007/s10103-019-02726-3DOI Listing
February 2019

Adjunctive antimicrobial photodynamic therapy using methylene blue/ethanol formulation in experimental periodontitis in diabetic rats: short-term results.

Lasers Med Sci 2019 Feb 8. Epub 2019 Feb 8.

Graduate Program in Oral Science, Periodontology Unit, School of Dentistry, Federal University of Santa Maria, Marechal Floriano Peixoto 1184, Santa Maria, Rio Grande do Sul, 97015-372, Brazil.

The aim of this study was to evaluate the effect of an MB experimental formulation (ethanol 20%) in aPDT used as an adjuvant to scaling and root planing (SRP) in the periodontal treatment of diabetic rats. Forty male Wistar rats received streptozotocin-intraperitonial injections to induce diabetes. After 14 days, 5 animals were allocated in the non-ligate group (NLG), and 35 animals received ligature at the first right mandibular molar to induce periodontitis. Read More

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http://dx.doi.org/10.1007/s10103-019-02733-4DOI Listing
February 2019

Efficacy of low-level laser for treatment of cancer oral mucositis: a systematic review and meta-analysis.

Lasers Med Sci 2019 Feb 7. Epub 2019 Feb 7.

Graduation Program on Evaluation and Production of Technologies for the Brazilian National Health System, Hospital Nossa Senhora da Conceição, Av. Francisco Trein, 596 - Cristo Redentor, Porto Alegre, Rio Grande do Sul, 91350-200, Brazil.

Review effectiveness of low-level laser therapy (LLLT) in the curative treatment of oral mucositis (OM) in patients receiving cancer therapy. A systematic review with meta-analysis was performed using Medline, Embase, and Cochrane Library databases according to PRISMA guidelines, to identify randomized controlled trials (RCT) on OM in patients during and/or after cancer therapy and in which the therapeutic approach was LLLT, with wavelengths between 632 and 970 nm. We considered grade of OM as a dichotomous variable (such as an improvement or not in severe OM on the seventh day of therapy), with the analysis of subgroups of adult patients or children and adolescents and as a continuous variable with determination of the time for the complete resolution and the subgroup analysis occurred with the strata of the samples by treatment only with chemotherapy or chemotherapy and radiotherapy. Read More

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http://dx.doi.org/10.1007/s10103-019-02722-7DOI Listing
February 2019

Photobiomodulation can alter mRNA levels cell death-related.

Lasers Med Sci 2019 Feb 5. Epub 2019 Feb 5.

Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer, s/n-Campus Universitário, São Pedro, Juiz de Fora, Minas Gerais, 36036-900, Brazil.

Photobiomodulation (PBM) by low-level laser has demonstrated excellent results for inflammatory treatments, promoting repair of injured tissues. Knowledge regarding the molecular mechanisms involved in this process has been increasing, but its effect on cell death/survival-related gene expression after laser irradiation with different doses is not well understood. So, it is important to know these effects in order to guarantee the safety of therapeutic protocols based on PBM. Read More

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http://dx.doi.org/10.1007/s10103-019-02732-5DOI Listing
February 2019

Comparative study on laser and LED influence on tissue repair and improvement of neuropathic symptoms during the treatment of diabetic ulcers.

Lasers Med Sci 2019 Feb 4. Epub 2019 Feb 4.

Department of Physical Therapy, Federal University of Ceará, Fortaleza, Brazil.

To compare the influence of laser and LED on tissue repair and neuropathic symptoms during treatment of diabetic foot. An intervention survey conducted in a health center located in Brazil, contemplating ten sessions, twice a week, with randomization in two groups. In one group, the wounds were treated with GaAlAs laser, with a wavelength of 830 nm, 30 mW, and power density 0. Read More

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http://dx.doi.org/10.1007/s10103-019-02724-5DOI Listing
February 2019
2 Reads

In vitro effect of low-level laser therapy on the proliferative, apoptosis modulation, and oxi-inflammatory markers of premature-senescent hydrogen peroxide-induced dermal fibroblasts.

Lasers Med Sci 2019 Feb 2. Epub 2019 Feb 2.

Postgraduate Program of Pharmacology, Federal University of Santa Maria (UFSM), Av. Roraima, 1000, Santa Maria, 97105-900, Brazil.

Skin aging is a complex biological process induced by intrinsic and extrinsic factors which is characterized by clinical and cellular changes, especially dermal fibroblasts. It is possible that, some procedures, such as low-level laser therapy (LLLT), could decelerate this process. To test this hypothesis, this study evaluated the in vitro LLLT on dermal fibroblast cell line (HFF-1) with premature senescence HO-induced. Read More

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http://dx.doi.org/10.1007/s10103-019-02728-1DOI Listing
February 2019
1 Read
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A pilot prospective study of 577-nm yellow subthreshold micropulse laser treatment with two different power settings for acute central serous chorioretinopathy.

Lasers Med Sci 2019 Feb 2. Epub 2019 Feb 2.

State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou City, China.

To compare the efficacy of 50% threshold power with 25% threshold power of 577-nm subthreshold micropulse laser (SMPL) for acute central serous chorioretinopathy (CSC). Prospective, interventional, non-randomized, comparative case series. A total of 54 patients (54 eyes) with acute CSC were enrolled. Read More

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http://dx.doi.org/10.1007/s10103-019-02721-8DOI Listing
February 2019
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The photocytotoxicity effect of cationic sulfonated corrole towards lung cancer cells: in vitro and in vivo study.

Lasers Med Sci 2019 Feb 2. Epub 2019 Feb 2.

Department of Chemistry, Key Laboratory of Functional Molecular Engineering of Guangdong Province, South China University of Technology, Guangzhou, 510640, People's Republic of China.

Corrole is a kind of new and promising photosensitizer (PS) in cancer photodynamic therapy (PDT). However, the protein molecular mechanism of PDT activity for corrole under light irradiation is still not clear. In this paper, water-soluble cationic sulfonated corrole (1) and its metal complexes (1-Fe, 1-Mn, and 1-Cu) were prepared, and the photodynamic anti-cancer activity against various tumor cells was investigated by MTT assay. Read More

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http://dx.doi.org/10.1007/s10103-019-02725-4DOI Listing
February 2019

Effects of 1064-nm Nd:YAG long-pulse laser on polidocanol microfoam injected for varicose vein treatment: a controlled observational study of 404 legs, after 5-year-long treatment.

Lasers Med Sci 2019 Feb 1. Epub 2019 Feb 1.

Fundación Antoni de Gimbernat, Instituto Médico Vilafortuny, Av. Vilafortuny 31, Cambrils, E43850, Tarragona, Spain.

Sclerotherapy continues to be the treatment of choice for varicose veins in the legs. However, isolated treatment using microfoam or lasers requires a high number of sessions to eliminate them. In 2013, we published results about the efficacy and safety 3 years after the combined treatment with microfoam injections and subsequent application of Nd:YAG laser. Read More

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http://dx.doi.org/10.1007/s10103-019-02736-1DOI Listing
February 2019

Comparative effectiveness of low-level laser therapy for adult androgenic alopecia: a system review and meta-analysis of randomized controlled trials.

Lasers Med Sci 2019 Jan 31. Epub 2019 Jan 31.

Department of Dermatology, Taipei Medical University Shuang Ho Hospital, No.291, Zhongzheng Rd., Zhonghe District, New Taipei City, 23561, Taiwan.

The purpose of this review is to explore the effectiveness of low-level laser therapy (LLLT) in the treatment of adult androgenic alopecia (AGA). A systematic search of studies on LLLT for AGA was conducted mainly in Pubmed, Embase, and Cochrane Systematic Reviews. The standardized mean difference (SMD) in the changes of hair density treated by LLLT versus sham devices was analyzed. Read More

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http://dx.doi.org/10.1007/s10103-019-02723-6DOI Listing
January 2019
1 Read

Early intervention of fractional carbon dioxide laser on fresh traumatic scar.

Lasers Med Sci 2019 Jan 25. Epub 2019 Jan 25.

Department of Plastic and Reconstructive Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui Province, China.

To determine the combined therapeutic effect of fractional carbon dioxide laser and silicone gel on fresh traumatic scars using a rabbit ear hypertrophic scar (EHS) model, as well as on human subjects. The rabbit EHS model was established by punching four circular wounds in each ear and respectively treated with carbon dioxide laser, silicone gel, and the combination of both, while one wound was left untreated. In addition, a validation group of five rabbits was also included wherein the wounds were treated with triamcinolone, IFN-α, and normal saline, with one untreated control. Read More

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http://dx.doi.org/10.1007/s10103-019-02716-5DOI Listing
January 2019
1 Read

Correction to: Comparative study using fractional carbon dioxide laser versus glycolic acid peel in treatment of pseudo-acanthosis nigricans.

Lasers Med Sci 2019 Jan 24. Epub 2019 Jan 24.

Student Hospital, Cairo, Egypt.

Unfortunately, there are two mistakes in the published article. The first mistake is found in the Results section, Clinical improvement subsection. The last sentence "There was no statistical difference between both sides (P=0. Read More

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http://dx.doi.org/10.1007/s10103-018-02714-zDOI Listing
January 2019

Performance of light-emitting diode device in detecting occlusal caries in the primary molars.

Lasers Med Sci 2019 Jan 23. Epub 2019 Jan 23.

Department of Comprehensive Care, Tufts University School of Dental Medicine, 1 Kneeland St, Boston, MA, 02111, USA.

This in vitro study aimed to compare the performance of a light-emitting diode (LED) device (Midwest Caries I.D.: MID), International Caries Detection and Assessment System (ICDAS) visual criteria, and fluorescence-based devices (DIAGNOdent: LF; DIAGNOdent pen: LFpen; and Quantitative Light-induced Fluorescence: QLF) in detecting occlusal caries in the primary molars. Read More

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http://dx.doi.org/10.1007/s10103-019-02717-4DOI Listing
January 2019

Raman spectroscopy applications in rheumatology.

Lasers Med Sci 2019 Jan 21. Epub 2019 Jan 21.

2nd Department of Internal Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.

Raman spectroscopy is a type of vibrational spectroscopy based on the inelastic scattering of photons, which has attracted much attention due to its potential clinical application in rheumatology. In this review, we discuss the typical spectral features of cartilage, bone, synovial fluid, and pathologic crystal deposits, as well as methods of amplifying the Raman signal of biofluids such as drop-coating deposition Raman spectroscopy. Further, applications of Raman and drop-coating deposition Raman spectroscopy in osteoarthritis are described, highlighting the clinical potential of these methods. Read More

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http://dx.doi.org/10.1007/s10103-019-02719-2DOI Listing
January 2019
1 Read

Impact of lens density and lens thickness on cumulative dissipated energy in femtosecond laser-assisted cataract surgery.

Lasers Med Sci 2019 Jan 19. Epub 2019 Jan 19.

Department of Ophthalmology, Goethe-University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany.

To evaluate the required cumulative dissipated energy (CDE) to fragment the crystalline lens in femtosecond laser-assisted cataract surgery (FLACS) in relation to lens density and lens thickness. Consecutive eyes that underwent FLACS between September 2014 and March 2017 by a single surgeon using in all cases the same femtosecond laser and phacoemulsification platform were included in our retrospective study. Prior to surgery, corrected distance visual acuity (CDVA), optical biometry corneal, and crystalline lens tomographies were performed to assess anterior chamber depth (ACD), axial length (AL), and crystalline lens parameters (i. Read More

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http://link.springer.com/10.1007/s10103-019-02715-6
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http://dx.doi.org/10.1007/s10103-019-02715-6DOI Listing
January 2019
4 Reads

The effect of low-level laser radiation on improving inferior alveolar nerve damage after sagittal split osteotomy: a systematic review.

Lasers Med Sci 2019 Jan 19. Epub 2019 Jan 19.

DMD, Azad University of Medical Sciences, Tehran, Iran.

Inferior alveolar nerve (IAN) damage is a common complication occurring after sagittal split osteotomy (SSO) and results in sensory disorders of the jaw region. In recent years, published experimental and clinical evidence suggests that low-level laser (LLL) radiation is effective in nerve recovery. Therefore, the aim of the present study was to review clinical trial studies investigating the effect of LLL radiation on improving the sensory defects of IAN after SSO. Read More

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http://dx.doi.org/10.1007/s10103-019-02718-3DOI Listing
January 2019

In vivo detection of oral precancer using a fluorescence-based, in-house-fabricated device: a Mahalanobis distance-based classification.

Lasers Med Sci 2019 Jan 19. Epub 2019 Jan 19.

Department of Physics, Indian Institute of Technology Kanpur (IITK), Kanpur, 208016, India.

In vivo detection of oral precancer has been carried out by a fluorescence-based, in-house-developed handheld probe on three groups: oral squamous cell carcinoma (OSCC), dysplastic (precancer), and control (normal). Measurements have been performed on a total of 141 patients and volunteers of different age groups. Excitation wavelength of 405 nm was used and fluorescence emission spectra were recorded in the scan range of 450. Read More

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http://link.springer.com/10.1007/s10103-019-02720-9
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http://dx.doi.org/10.1007/s10103-019-02720-9DOI Listing
January 2019
4 Reads

Laser-assisted hatching and clinical outcomes in frozen-thawed cleavage-embryo transfers of patients with previous repeated failure.

Lasers Med Sci 2019 Jan 9. Epub 2019 Jan 9.

Zhongshan Hospital, Fudan University, NO. 180 Fenglin Road, Shanghai, 200032, China.

Assisted hatching (AH) is initially developed to provide an artificial manipulation of the zona pellucida (ZP) to help embryos hatch and improve the capacity of the embryos to implant. However, these effects remain unclear and controversial because of variation in patient characteristics, and it is critical to ascertain the indications for AH and to identify those patients who might benefit from AH. Here, this study aimed to assess the effect of laser-assisted zona thinning hatching technology (LAH) during the frozen-thawed D3 embryos on pregnancy outcomes in patients with previous repeated failures in vitro fertilization-embryo transfer (IVF-ET). Read More

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http://dx.doi.org/10.1007/s10103-018-02702-3DOI Listing
January 2019
1 Read

Clinical efficacy of laser combined with menstrual regulation in the treatment of female melasma: a retrospective study.

Lasers Med Sci 2019 Jan 8. Epub 2019 Jan 8.

Department of Plastic Surgery, Jiangsu Province Hospital of TCM, Affiliated Hospital of Nanjing University of TCM, No. 155, Hanzhong Road, Nanjing, 210029, China.

The aim of this study was to evaluate the clinical efficacy of using a Medlite C6 Q-switch Nd:YAG laser combined with menstrual regulation-based traditional Chinese medicine (TCM) in the treatment of female melasma. Forty cases of female patients with melasma, who were treated between December 2013 and December 2015 at the Jiangsu Provincial Hospital of Traditional Chinese Medicine, were reviewed retrospectively. Twenty patients received Q-switch Nd:YAG 1064 nm laser treatments combined with menstrual regulation treatments (experimental group), and 20 patients were treated only with the laser (control group). Read More

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http://link.springer.com/10.1007/s10103-018-02698-w
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http://dx.doi.org/10.1007/s10103-018-02698-wDOI Listing
January 2019
4 Reads

Monitoring of functional blood flow on human hand due to effect of different treatments by laser biospeckle imaging.

Lasers Med Sci 2019 Jan 8. Epub 2019 Jan 8.

Biomedical Optics Laboratory, Department of Applied Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.

In the proposed work, we report on qualitative as well as quantitative biospeckle monitoring of functional blood flow on the human hand. Intensity-based algorithms namely generalized difference and our earlier proposed algorithm parameterized global-average Fujii have been approached for the first time to analyze various physiological changes due to effect of different treatments such as hot and cold water treatments on the palm which can be helpful in examining cardiovascular and related diseases. In addition, blood flow has been monitored for the first time on face scrub, beauty creams, and pain relief ointments applied over the back of the palm. Read More

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http://link.springer.com/10.1007/s10103-018-02706-z
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http://dx.doi.org/10.1007/s10103-018-02706-zDOI Listing
January 2019
1 Read

Persistent Pixel Stamping Marks: a novel complication of fractional CO laser in scar treatment.

Lasers Med Sci 2019 Jan 4. Epub 2019 Jan 4.

Ophthalmology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.

Fractional CO laser rejuvenation of scars offers a high safety profile. Laser marks usually disappear clinically within 1 week. The authors observed occasional persistence of the laser marks on the scar surface. Read More

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http://link.springer.com/10.1007/s10103-018-02700-5
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http://dx.doi.org/10.1007/s10103-018-02700-5DOI Listing
January 2019
5 Reads

Push-out bond strength of calcium-silicate cements following Er:YAG and diode laser irradiation of root dentin.

Lasers Med Sci 2019 Feb 4;34(1):201-207. Epub 2019 Jan 4.

Dental Research Center, Dentistry Research Institute, Tehran, Iran.

This study aimed to compare the effects of diode and Er:YAG laser irradiation of root dentin on push-out bond strength of mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cements. An in vitro experimental study was conducted on 90 dentin discs, cut out of freshly extracted human teeth. The discs were instrumented to obtain 1. Read More

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http://link.springer.com/10.1007/s10103-018-02705-0
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http://dx.doi.org/10.1007/s10103-018-02705-0DOI Listing
February 2019
1 Read

Sub-lethal antimicrobial photodynamic inactivation: an in vitro study on quorum sensing-controlled gene expression of Pseudomonas aeruginosa biofilm formation.

Lasers Med Sci 2019 Jan 3. Epub 2019 Jan 3.

Department of Microbiology, School of Biology, College of Science, University of Tehran, Tehran, Iran.

During antimicrobial photodynamic inactivation (APDI) in the treatment of an infection, it is likely that microorganisms would be exposed to sub-lethal doses of APDI (sAPDI). Although sAPDI cannot kill microorganisms, it can significantly affect microbial virulence. In this study, we evaluated the effect of sAPDI using methylene blue (MB) on the expression of genes belonging to two quorum sensing (QS) operons (rhl and las systems) and two genes necessary for biofilm formation (pelF and pslA) under QS control in Pseudomonas aeruginosa. Read More

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http://dx.doi.org/10.1007/s10103-018-02707-yDOI Listing
January 2019

Variable heat shock response model for medical laser procedures.

Lasers Med Sci 2019 Jan 3. Epub 2019 Jan 3.

Faculty of Physics, University of Ljubljana, Jadranska 19, 1000, Ljubljana, Slovenia.

According to the standard Arrhenius relation, tissue damage is linearly dependent on the duration of exposure to elevated temperatures and exponentially dependent on the temperature itself. However, recently published measurements of damage threshold temperatures at extremely short exposure times (commonly present during laser treatments) exhibit a shift to temperatures that are higher than what would normally be expected from a single-process Arrhenius model. A novel variable heat shock (VHS) response model was developed that takes into account the observed deviation from the single-process Arrhenius relation, by assuming that the cell viability can be described as the combined effect of two biochemical processes that dominate cell survival characteristics at very short and very long exposure times. Read More

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http://dx.doi.org/10.1007/s10103-018-02704-1DOI Listing
January 2019

Photobiomodulation therapy as a tool to prevent hamstring strain injuries by reducing soccer-induced fatigue on hamstring muscles.

Lasers Med Sci 2019 Jan 3. Epub 2019 Jan 3.

Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.

Muscle fatigue is a potential risk factor for hamstring strain injuries in soccer players. The aim of this study was to verify the effect of photobiomodulation therapy (PBMT) on the hamstrings' muscle fatigue of soccer players during a simulated match. Twelve male amateur soccer players (~ 25 years) participated in this randomized, crossover, double-blinded, placebo-controlled trial. Read More

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http://dx.doi.org/10.1007/s10103-018-02709-wDOI Listing
January 2019
10 Reads

The efficacy of green light laser prostatectomy in the management of urinary retention due to prostate hyperplasia.

Lasers Med Sci 2019 Jan 2. Epub 2019 Jan 2.

Faculty of Medicine, Urology Department, Katip Celebi University, Izmir, Turkey.

To evaluate the efficacy and safety of 120 W potassium titanyl phosphate (KTP) in the treatment of urinary retention (UR) due to benign prostate hyperplasia in high-risk patients. Forty-six male patients with mean age of 73.78 ± 9. Read More

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http://dx.doi.org/10.1007/s10103-018-02712-1DOI Listing
January 2019

Pattern analysis of 532- and 1064-nm microlens array-type, picosecond-domain laser-induced tissue reactions in ex vivo human skin.

Lasers Med Sci 2019 Jan 2. Epub 2019 Jan 2.

Department of Dermatology and Cutaneous Biology Research Center, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, 25 Simgok-ro, Seo-gu, 22711, Incheon, Republic of Korea.

Optical pulses from picosecond lasers can be delivered to the skin using microlens array (MLA) optics or a diffractive beam splitter to generate multiple, focused, high-intensity, micro-injury zones in the epidermis and dermis. The aim of our study was to histopathologically and immunohistochemically evaluate the patterns of 532- and 1064-nm MLA-type, picosecond laser-induced tissue reactions in human skin immediately after treatment. Picosecond neodymium:yttrium-aluminum-garnet (Nd:YAG) laser treatment using an MLA-type beam at the wavelengths of 532 nm and 1064 nm was delivered ex vivo to human skin. Read More

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http://dx.doi.org/10.1007/s10103-018-02711-2DOI Listing
January 2019

Could a chelant improve the effect of curcumin-mediated photodynamic antimicrobial chemotherapy against dental intact biofilms?

Lasers Med Sci 2019 Jan 2. Epub 2019 Jan 2.

Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Alameda Dr. Octavio Pinheiro Brisolla, 9-75, Vila Universitária, Bauru, São Paulo, 17012-901, Brazil.

To our knowledge, there is still no evidence in relation to the combination of curcumin with chelants to improve the effects of antimicrobial photodynamic therapy (aPDT) on complex dental caries biofilms. Therefore, the aim of this study was to evaluate the antimicrobial effect of curcumin-ethylenediaminetetraacetic acid (EDTA)-mediated aPDT on the vitality of intact biofilms of dentin caries microcosms. Biofilms were grown on glass slabs in McBain medium plus 1% sucrose in microaerophily at 37 °C for 5 days. Read More

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http://link.springer.com/10.1007/s10103-018-02708-x
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http://dx.doi.org/10.1007/s10103-018-02708-xDOI Listing
January 2019
7 Reads

Enucleation of the prostate for benign prostatic hyperplasia thulium laser versus holmium laser: a systematic review and meta-analysis.

Lasers Med Sci 2019 Jan 2. Epub 2019 Jan 2.

Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, No. 37 Guo Xue Xiang, Chengdu, Sichuan, 610041, People's Republic of China.

To evaluate the clinical efficacy and safety of thulium laser vapoenucleation/enucleation of the prostate (ThuEP) versus holmium laser enucleation of the prostate (HoLEP) in the management of benign prostatic hyperplasia (BPH). A systematic literature search was performed using PubMed, Embase, and Web of Science to identify eligible studies published before July 2018. Meta-analysis of extracted data was performed with RevMan version 5. Read More

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http://dx.doi.org/10.1007/s10103-018-02697-xDOI Listing
January 2019

Low-level laser therapy for the treatment of androgenetic alopecia in Thai men and women: a 24-week, randomized, double-blind, sham device-controlled trial.

Lasers Med Sci 2018 Dec 19. Epub 2018 Dec 19.

Division of Dermatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 270 Rama VI Road, Ratchathewi, Bangkok, 10400, Thailand.

Low-level laser/light therapy (LLLT) has been increasingly used for promoting hair growth in androgenetic alopecia (AGA). Our institute developed a new home-use LLLT device, RAMACAP, with optimal penetrating energy, aiming to improve therapeutic efficacy and compliance. To evaluate the efficacy and safety of the new helmet-type LLLT device in the treatment of AGA, a 24-week, prospective, randomized, double-blind, sham device-controlled clinical trial was conducted. Read More

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http://dx.doi.org/10.1007/s10103-018-02699-9DOI Listing
December 2018
1 Read

Correction to: Photobiomodulation with single and combination laser wavelengths on bone marrow mesenchymal stem cells: proliferation and differentiation to bone or cartilage.

Lasers Med Sci 2019 Feb;34(1):127

Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA, 02114, USA.

In the originally published article, the name of the 3rd and 4th authors were labeled incorrectly. The correct names are Mohammadreza Baghaban Eslaminejad and Leila Taghiyar. Also, affiliation 4 has been corrected. Read More

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http://link.springer.com/10.1007/s10103-018-2687-2
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http://dx.doi.org/10.1007/s10103-018-2687-2DOI Listing
February 2019
6 Reads
2.489 Impact Factor

Comparison of two different laser photobiomodulation protocols on the viability of random skin flap in rats.

Lasers Med Sci 2018 Dec 19. Epub 2018 Dec 19.

Department of Physiotherapy, Federal University of São Carlos, São Carlos, Brazil.

To identify the best low level laser photobiomodulation application site at the same irradiation time to increase the viability of the skin flap in rats. Eighteen male rats (Rattus norvegicus: var. Albinus, Rodentia Mammalia) were randomly distributed into three groups (n = 6). Read More

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http://dx.doi.org/10.1007/s10103-018-2694-3DOI Listing
December 2018

The impacts of laser zona thinning on hatching and implantation of vitrified-warmed mouse embryos.

Lasers Med Sci 2018 Dec 13. Epub 2018 Dec 13.

National Engineering Laboratory for Animal Breeding and Key Laboratory of Animal Genetics, Breeding and Reproduction, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China.

Embryo vitrification has advantages in assisted reproduction yet it also induces zona hardening. Laser zona thinning (LZT) is considered as a solution yet its efficacy and security have not been well studied. In this study, we used vitrified-warmed morulae from 2-month-old and 10-month-old ICR female mice as model to investigate the impacts that LZT treatment brings to the in vitro hatching process and implantation by analyzing hatching rate, implantation rate, and blastocyst quality. Read More

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http://link.springer.com/10.1007/s10103-018-2681-8
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http://dx.doi.org/10.1007/s10103-018-2681-8DOI Listing
December 2018
7 Reads

Low-level laser therapy versus trunk stabilization exercises on sternotomy healing after coronary artery bypass grafting: a randomized clinical trial.

Lasers Med Sci 2018 Dec 13. Epub 2018 Dec 13.

Department of Physical Therapy for Internal Medicine, Faculty of Physical Therapy, Cairo University, Giza, Egypt.

The aim of this study was to investigate the effects of low-level laser therapy (LLLT) versus trunk stabilization exercises on sternotomy healing following coronary artery bypass grafting (CABG) surgery. Forty-five male patients who had acute sternal instability post-CABG surgery in the age range of 45-65 years were divided randomly into three equal groups (n = 15). The laser group received LLLT, while the exercise group received trunk stabilization exercises. Read More

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http://link.springer.com/10.1007/s10103-018-02701-4
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http://dx.doi.org/10.1007/s10103-018-02701-4DOI Listing
December 2018
2 Reads

Efficacy of laser surgery versus radiotherapy for treatment of glottic carcinoma: a systematic review and meta-analysis.

Lasers Med Sci 2018 Dec 6. Epub 2018 Dec 6.

Nursing College of Shanxi Medical University, Taiyuan, 030001, Shanxi, People's Republic of China.

Laser surgery and radiotherapy are the two most common ways to treat glottic carcinomas, which is more efficacious and remains controversial. PubMed, Embase, and Cochrane Library were searched to identify relevant studies of laser surgery versus radiotherapy in patients with glottic carcinomas through April 2017. Sensitivity analysis and subgroup analysis were performed to evaluate heterogeneity. Read More

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http://dx.doi.org/10.1007/s10103-018-2695-2DOI Listing
December 2018
1 Read

Optical coherence tomography imaging of melanoma skin cancer.

Lasers Med Sci 2018 Dec 11. Epub 2018 Dec 11.

Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.

No consensus guidelines exist on the use of optical coherence tomography (OCT) for diagnosis of cutaneous melanoma. The objectives of this review are to provide a descriptive review of the literature on characteristics of cutaneous melanomas seen on high-definition OCT (HD-OCT), speckle variance OCT (SV-OCT), and conventional OCT and to compare their diagnostic ability with that of histopathology. A review of PubMed and Google Scholar identified all available literature on OCT in melanoma skin cancer that included all in vivo and ex vivo studies on human or human tissues and excluded all studies on non-human subjects or animal studies. Read More

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http://dx.doi.org/10.1007/s10103-018-2696-1DOI Listing
December 2018
5 Reads

The effects of repeated applications of antimicrobial photodynamic therapy in the treatment of residual periodontal pockets: a systematic review.

Lasers Med Sci 2018 Dec 11. Epub 2018 Dec 11.

Department of Periodontology, Master of Science Program, Veiga de Almeida University, Rua Ibituruna 108, casa 3, sala 201, Tijuca, Rio de Janeiro, 20271-020, Brazil.

The aim of this study was to assess the effects of repeated applications of antimicrobial photodynamic therapy (aPDT) on the non-surgical periodontal treatment of residual pockets. This work was performed and reported according to the Cochrane and PRISMA recommendations, respectively, and registered at the PROSPERO registry (number CRD42017058403). An extensive search of the biomedical literature was conducted on four databases from January 1960 to August 2018, followed by hand searching. Read More

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http://dx.doi.org/10.1007/s10103-018-02703-2DOI Listing
December 2018

Laryngeal temperature simulations during carbon dioxide laser irradiation delivered by a scanning micromanipulator.

Lasers Med Sci 2018 Dec 7. Epub 2018 Dec 7.

Department. of Otolaryngology, Vanderbilt University Medical Center, 1215 21st Ave S., Nashville, TN, 37232, USA.

We use scatter-limited phototherapy techniques to calculate the time-dependent temperature profiles of incisions made with a commercial carbon dioxide laser being used to make a 1-mm incision under computer control using the Digital Acublade™ and with incisions made with the same laser under manual control. The goal is to understand the differences in the amount of lateral thermal damage that is likely from the computer-controlled incisions versus the manually controlled incisions. The temperature profiles are calculated from the absorption and scatter of light in a homogeneous material. Read More

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http://link.springer.com/10.1007/s10103-018-2691-6
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http://dx.doi.org/10.1007/s10103-018-2691-6DOI Listing
December 2018
1 Read

Essential Role of mTOR Signaling in Human Retinal Pigment Epithelial Cell Regeneration After Laser Photocoagulation.

Lasers Med Sci 2018 Nov 29. Epub 2018 Nov 29.

Department of Interdisciplinary Program in Biomedical Science, Soonchunhyang Graduate School, Bucheon Hospital, Bucheon, South Korea.

This study assessed the role of mechanistic target of rapamycin (mTOR) pathway in the human adult retinal pigment epithelial (ARPE) cell response after laser photocoagulation (LP). The effect of mTOR inhibition on ARPE-19 cell was investigated by rapamycin treatment after LP. Cell viability and proliferation were explored using MTT and EdU assays, respectively. Read More

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http://dx.doi.org/10.1007/s10103-018-2692-5DOI Listing
November 2018
7 Reads

The retinal pigment epithelial response after retinal laser photocoagulation in diabetic mice.

Lasers Med Sci 2019 Feb 29;34(1):179-190. Epub 2018 Nov 29.

Department of Ophthalmology, Soonchunhyang University Hospital Bucheon, Soonchunhyang University College of Medicine, #170 Jomaru-ro, Bucheon-si, Gyeonggi-do, 14584, South Korea.

To investigate the characteristics of regenerated retinal pigment epithelial (RPE) cells after retinal laser photocoagulation in diabetic mice. C57BL/6J mice were used to induce diabetes using intraperitoneal injection of streptozotocin. The proliferation of RPE cells after laser photocoagulation was determined using the 5-ethynyl-2'-deoxyuridine (EdU) assay in both diabetic and wild-type mice. Read More

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http://dx.doi.org/10.1007/s10103-018-2680-9DOI Listing
February 2019
4 Reads

Observations of in vivo laser tissue ablation in animal models with different chromophores on the skin and modulating duration per laser exposure.

Lasers Med Sci 2018 Nov 28. Epub 2018 Nov 28.

Bioelectrical Engineering Lab, Electrical Engineering, Inha University, 100 Inha-ro, Michuhol-gu, Incheon, 22212, South Korea.

Characteristics such as skin tone and pigmentation color vary among patients, but most researches on laser irradiation in laser ablation have revolved around minimizing damage to reduce pain. Chromophores are the most important factors in photon energy absorption, a key principle of laser ablation. We investigated the influences on ablation depth by different chromophores on the target and modulating duration per laser exposure using an Nd:YVO4 nanosecond 532-nm laser. Read More

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http://dx.doi.org/10.1007/s10103-018-2693-4DOI Listing
November 2018
1 Read

Does low-level laser therapy on degenerated ovine testes improve post-thawed sperm characteristics?

Lasers Med Sci 2018 Nov 21. Epub 2018 Nov 21.

Laboratory of Teaching and Research in Pathology of the Reproduction - Center of Biotechnology in Animal Reproduction, Department of Animal Reproduction, School of Veterinary Medicine and Animal Science, University of São Paulo, Pirassununga, SP, Brazil.

Low-level laser therapy (LLLT) can modulate redox state of the cell which could be useful to treat testicular degeneration and also prevent injuries by sperm cryopreservation. The aim of this study was to evaluate the effects of LLLT treatment on semen cryopreservation from rams submitted or not to testicular degeneration by testicular insulation. Eleven White Dorper rams were divided into four groups: animals that were not insulated (Control) and not treated (No Laser) (n = 2); animals that were not insulated and treated with LLLT (n = 3); animals that were insulated and not treated with LLLT (n = 3), and animals that were insulated and treated with LLLT (n = 3). Read More

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http://dx.doi.org/10.1007/s10103-018-2690-7DOI Listing
November 2018
9 Reads