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11:45 EST 21st November 2018 | BioPortfolio

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Showing "Sham Argon Laser Treatment Pterygium" PubMed Articles 1–25 of 30,000+

Quantitative assessment of changes in anterior segment morphology after argon laser peripheral iridoplasty: findings from the EARL Study Group.

Argon laser peripheral iridoplasty (ALPI) could be effective in widening residual angle closure following laser peripheral iridotomy (LPI).

The Evolving Story of Pterygium.

Pterygium is a fibrovascular subepithelial growth of degenerative tissue over the limbus. It is a common condition worldwide that is especially prevalent in tropical countries within the "pterygium belt." Its exact etiology remains to be elucidated; however, it is strongly associated with exposure to ultraviolet light. The high expression levels of tumor protein p53 (TP53) observed in laboratory studies of pterygium seem to contradict the fast-growing nature of its clinical behavior, and TP53 mutations have...

Head inversion technique to restore physiological conjunctival structure for surgical treatment of primary pterygium.

We describe a new surgical technique to treat primary pterygium, the head inversion technique, with its surgical outcomes. Seventy-five eyes of 75 consecutive patients with primary pterygium undergoing surgical treatment were included. The pterygium head and body were bluntly separated from the cornea and inverted onto the nasal conjunctival area. By injecting a balanced salt solution subconjunctivally, the conjunctiva was ballooned and smoothed. Two or three interrupted 8-0 virgin silk sutures were placed ...

p53 inhibition by MDM2 in human pterygium.

To confirm that mouse double minute 2 (MDM2) could inhibit p53 activity in human pterygium. And to show the disruption of MDM2-p53 interaction could reactive the functions of p53 in pterygium.

Decontamination of Customized Laser-Microtextured Titanium Abutments: A Comparative in Vitro Study of Different Cleaning Procedures.

The aim of this study was to evaluate different cleaning procedures for customized laser-microtextured titanium abutments. A total of 20 customized laser-microtextured abutments were randomized into four groups: no cleaning (control group), ultrasonic treatments + autoclave cycle (group 1), ultrasonic treatments + argon plasma (group 2), and only argon plasma (group 3). Surface contaminants were assessed through scanning electron microscopy and energy-dispersive x-ray spectroscopy microanalysis. In the cont...

Recovery of a Disinserted Medial Rectus Muscle after Pterygium Surgery.

To report a case of recovery of a medial rectus which was accidentally disinserted after surgical treatment of a recurrent pterygium.

MicroRNA-218-5p inhibit the migration and proliferation of pterygium epithelial cells by targeting EGFR via PI3K/Akt/mTOR signaling pathway.

Pterygium is a common ocular surface disease which could result in various ocular surface symptoms. MicroRNAs play an important role in the development of various eye diseases. However, the role of microRNAs in the pathogenesis of pterygium is rarely reported. Our research aims to analyze the relationship between miR-218-5p and Epidermal Growth Factor Receptor (EGFR) in human pterygium tissues and cultured Human Pterygium Epithelial Cells (hPECs). Furthermore, the EGFR/PI3K/Akt/mTOR signaling pathway was fi...

Plasma of argon enhances the adhesion of murine osteoblasts on different graft materials.

plasma of argon treatment was demonstrated to increase material surface energy leading to stronger and faster interaction with cells. The aim of the present in vitro study was to test the effect of plasma treatment on different graft materials.

Dry-Eye Disease in Recurrent Pterygium.

The aim of this paper was to investigate the degree of inflammation and dry-eye disease (DED) in recurrent pterygium.

Topical brimonidine-assisted laser treatment for the prevention of therapy-related erythema and hyperpigmentation.

Postinflammatory hyperpigmentation (PIH) and erythema are the most common adverse effects associated with laser treatment, particularly in dark-skinned individuals. Several methods have been used to prevent or minimize these adverse effects; however, to date, no definitive precautions/strategies are known to prevent post-laser PIH and erythema. We investigated whether the topical application of the α-adrenergic receptor agonist brimonidine could reduce laser treatment-related complications such as erythema...

Intralesional laser treatment for dermal fillers complications.

For complications due to filler treatments, in general two treatment regimens are advised: systemic drugs or surgical removal of the material. Another possible treatment option would be removal of the material by intralesional laser treatment (ILT) Methods: 242 patients with complications due to fillers were treated with intralesional laser treatment.

Using reflectance confocal microscopy to observe in vivo melanolysis after treatment with the picosecond alexandrite laser and Q-switched Nd:YAG laser in melasma.

Melasma is an acquired type of hyperpigmentation that is characterized by the appearance of scattered light- to dark-brown macules and patches on the face. Recently, several lasers have been proposed as treatment options for melasma. In particular, the picosecond alexandrite laser is an ideal laser for selective photothermal melanolysis. The aim of our study was to compare the effectiveness in melanolysis of a single treatment of the picosecond alexandrite laser with that of the Q-switched Nd:YAG laser usin...

Cognitive effects of transcranial direct current stimulation treatment in patients with major depressive disorder: an individual patient data meta-analysis of randomised, sham-controlled trials.

Transcranial direct current stimulation (tDCS) has emerged as a promising new treatment for major depression. While recent randomised, sham-controlled studies found tDCS to have antidepressant effects, it remains to be determined whether a tDCS treatment course may also enhance cognitive function independent of mood effects in depressed patients. This systematic review and individual patient data (IPD) meta-analysis examined cognitive outcomes from randomised, sham-controlled trials of tDCS treatment for ma...

Evaluation of long pulsed Nd-YAG laser in the treatment of onychomycosis.

Microwave Spectrum and Molecular Structure of the Chiral Tagging Candidate, 3,3,3-Trifluoro-1,2-Epoxypropane and Its Complex with the Argon Atom.

The rotational spectrum of the chiral tagging candidate molecule, 3,3,3-trifluoro-1,2-epoxypropane (TFO) and of its heterodimer with the argon atom, is obtained using Fourier transform microwave spectroscopy from 5.6 to 18.1 GHz. With a strong, simple rotational spectrum, TFO shows promise for applications in chiral analysis through the conversion of enantiomers into spectroscopically distinct diastereomeric species through non-covalent attachment. The structure of the argon complex of TFO, determined from ...

The effect of Er,Cr:YSGG laser, fluoride, and CPP-ACP on caries resistance of primary enamel.

The aim of this in vitro study was to determine the effect of different remineralization agents and laser on caries resistance of primary enamel. In the study, 150 sound primary molars were used. The initial microhardness values were measured and the teeth were randomly assigned to ten treatment groups (n = 15): no treatment/negative control (C), NaF, APF, fluoride varnish (FV), CPP-ACP, laser (L), L + NaF, L + APF, L + FV, L + CPP-ACP. The microhardness values were measured after the treatments and the...

Steric Demand and Rate-Determining Step for Photoenolization of Di-ortho-Substituted Acetophenone Derivatives.

Laser flash photolysis of ketone 1 in argon-saturated methanol yields triplet biradical 1BR (τ = 63 ns) that intersystem crosses to form photoenols Z-1P (λ = 350 nm, τ ~ 10 μs) and E-1P (λ = 350 nm, τ > 6 ms). The activation barrier for Z-1P re-forming ketone 1 through a 1,5-H shift was determined as 7.7 ± 0.3 kcal mol . In contrast, for ketone 2, which has a less sterically hindered carbonyl moiety, laser flash photolysis in argon-saturated methanol revealed the formation of biradical 2BR (λ = 330 ...

Singular and combined effects of transcranial infrared laser stimulation and exposure therapy: A randomized clinical trial.

This RCT will test whether transcranial infrared laser stimulation (TILS) administered immediately following standard exposure therapy enhances the retention of fear extinction for naturally acquired pathological fear. A second aim is to investigate the efficacy of TILS as a stand-alone intervention for reducing pathological fear. Participants with elevated fear in any one of the following four domains: (a) fear of enclosed spaces, (b) fear of contamination, (c) fear of public speaking, or (d) fear of anxie...

CO laser treatment for pearly penile papules - personal experience.

Pearly penile papules (PPP) are physiological lesions in the epithelium of the corona of the glans penis which extend to its neck. These lesions may also appear on both sides of the frenulum. Although they are not pathological, the lesions frequently cause concern or embarrassment/discomfort in patients. They are the most common reason for seeing a dermatologist. There are several methods of treatment for PPP such as cryosurgery, electrocoagulation, treatment with CO, Er:YAG, or pulsed dye lasers. This pape...

Utility of Optical Coherence Tomography for Guiding Laser Therapy Among Patients With Recurrent Respiratory Papillomatosis.

Recurrent respiratory papillomatosis (RRP) is a viral-induced disease caused by human papillomavirus and the second leading cause of dysphonia in children; however, neither a cure nor a definitive surgical treatment is currently available for RRP. Although laser therapy is often used in the treatment of RRP, the lack of real-time laser-tissue interaction feedback undermines the ability of physicians to provide treatments with low morbidity. Therefore, an intraoperative tool to monitor and control laser trea...

Clinical results for combination of fibrin glue and nasal margin suture fixation for attaching conjunctival autografts after pterygium excision in Chinese pterygium patients.

This study was designed to compare postoperative complications and postoperative discomfort when using glue combined with nasal margin suture fixation versus fibrin glue or sutures alone to attach conjunctival autografts among Chinese patients during pterygium excisions.We analyzed the medical records of 150 eyes of 150 patients with primary pterygium, in which the autografts were secured by 3 different methods after pterygium excision: 50 eyes were secured with fibrin glue, 50 eyes were secured with glue...

Long-Term Effect of Pulsed Nd:YAG Laser in the Treatment of Children with Juvenile Rheumatoid Arthritis: A Randomized Controlled Trial.

The aim of this study was to evaluate the long-term impact of a pulsed neodymium-doped yttrium aluminum garnet (Nd:YAG) laser [high-intensity laser therapy (HILT)] in the treatment of juvenile rheumatoid arthritis (JRA).

Laser treatment for facial acne scars: A review.

Acne scarring is a widely prevalent condition that can have a negative impact on a patient's quality of life and is often worsened by aging. A number of options are available for the treatment of acne scarring, including retinoids, microdermabrasion, dermal fillers, and surgical techniques such as subcision. The aim of this review is to evaluate the different laser modalities that have been used in peer-reviewed clinical studies for treatment of atrophic acne scars, and summarize current clinical approaches...

Treatment of erythematotelangiectatic rosacea, facial erythema, and facial telangiectasia with a 577-nm pro-yellow laser: a case series.

Various lasers have been used for the treatment of erythematotelangiectatic rosacea (ETR), facial erythema (FE), and facial telangiectasias (FT). The assessment of the treatments of all of these conditions with a 577-nm pro-yellow laser has not been reported yet. The aim of this work was to assess the efficacy and safety of the 577-nm pro-yellow laser in ETR, FE, and FT. Forty patients suffering from ETR, FE, and FT (25 female and 15 male) were enrolled in this study. All of the patients were treated with 5...

Antimicrobial photodynamic therapy of Lactobacillus acidophilus by indocyanine green and 810-nm diode laser.

This study investigated the efficacy of photodynamic therapy (PDT) using EmunDo as a photosensitizer against Lactobacillus acidophilus. A gallium aluminum arsenide diode laser was used in this experiment (810 nm, CW). Standard suspensions of Lactobacillus acidophilus were divided into six groups by treatment: 1) EmunDo, 2) diode laser (100 mW, 90 seconds), 3) diode laser (300 mW, 30 seconds); 4) EmunDo + diode laser (100 mW, 90 seconds), 5) EmunDo + diode laser (300 mW, 30 seconds)...

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