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Variya Laothaworn, Premjit Juntongjin
BACKGROUND: A QS-NdYAG laser (QSNYL) and topical tranexamic acid (TA) have been widely used. However, no study has yet reported the efficacy of using both QSNYL and TA as a combined treatment for melasma. OBJECTIVES: To evaluate the efficacy and adverse effects of topical 3% TA combined with 1064-nm QSNYL as a treatment for melasma. METHODS: A randomized, prospective, split-face, controlled trial was conducted. A 1064-nm QSNYL was performed on the entire face at baseline and 4 weeks later...
February 20, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
Anis Mahmoud, Fatma Abid, Imen Ksiaa, Sourour Zina, Riadh Messaoud, Moncef Khairallah
BACKGROUND: To report a case of bilateral acute angle closure-glaucoma following the use of subcutaneous Tramadol. CASE PRESENTATION: A 42-year-old healthy man with unremarkable past medical and ocular history, was admitted to the Orthopedic Department for surgical treatment of a bilateral open fracture of the femur following a road accident. Three hoursafterTramadolsubcutaneous injection, the patient complained of a bilateral acute painful visual loss with persistent vomiting...
February 17, 2018: BMC Ophthalmology
Ananta Khurana, Anuradha Chowdhary, Kabir Sardana, R K Gautam, P K Sharma
The incidence of non dermatophytic mould (NDM) onychomycosis (OM) has been steadily increasing Fusarium spp is the most common cause of NDM OM in most geographical locations. Fusarium spp and other NDMs are largely resistant to commonly used anti-fungals. The successful use of laser and light based devices has been demonstrated in dermatophytic OM, but there is no previous report of their successful use in any NDM OM. We describe a patient with OM caused by Fusarium solani spp, who was clinically (with a normal appearing nail) and mycologically (with negative microscopy and culture on repeated samples) cured of her infection following treatment with 2 sessions of Qs NdYAG (532nm and 1064nm) given 1 month apart...
March 2018: Dermatologic Therapy
Mostafa Ahmadi, Zahra Naderi Beni, Afsaneh Naderi Beni, Farzan Kianersi
PURPOSE: To evaluate the efficacy and safety of superior peripheral iridotomy versus inferior peripheral iridotomy in the treatment of primary angle-closure glaucoma (PACG) in phakic patients. METHODS: In this randomized, prospective, paired-eye comparative study, patients with primary angle closure or primary angle-closure suspects were recruited and randomized to receive neodymium-doped yttrium aluminum garnet (Nd:YAG) laser peripheral iridotomy (LPI) superiorly in one eye and inferiorly in the other eye...
April 2017: Current Medical Research and Opinion
Yu-Tsung Chen, Chang-Cheng Chang, Cherng-Ru Hsu, Jen-Hsiang Shen, Chao-Jen Shih, Bor-Shyh Lin
BACKGROUND: The neodymium-doped yttrium aluminum garnet (NdYAG) laser therapy has been a popular technique for facial rejuvenation but certain adverse effects like post-inflammatory hyperpigmentation are issues of concern to Asian patients. AIMS: To assess the outcome following combined treatment with vitamin C sonophoresis and NdYAG laser, in selected cases of facial hyperpigmentation. METHODS: Twenty three women with dyschromia or melasma who had undergone five sessions of Q-switched NdYAG laser therapy followed by transdermal delivery of vitamin C via sonophoresis were selected after a retrospective review of case records...
September 2016: Indian Journal of Dermatology, Venereology and Leprology
Baran Can Sağlam, Mustafa Murat Koçak, Sibel Koçak, Sevinç Aktemur Türker, Dilara Arslan
OBJECTIVE: The aim of this study was to evaluate the color and enamel structure changes after intracoronal bleaching with sodium perborate under neodymium:yttrium-aluminum-garnet (Nd:YAG) and diode laser irradiation. BACKGROUND DATA: Although some studies investigated the efficacy of laser irradiation during intracoronal bleaching, no study has been conducted to investigate the changes in both color and enamel structure during intracoronal bleaching with laser irradiation...
February 2015: Photomedicine and Laser Surgery
Omer Kirmali, Cagatay Barutcugil, Osman Harorli, Alper Kapdan, Kursat Er
Debonding at the composite-adhesive interface is a major problem for indirect composite restorations. The aim of this study was to evaluate the bond strength (BS) of an indirect composite resin after various surface treatments (air-abrasion with Al2O3, phosphoric acid-etchig and different applications of NdYAG laser irradiations). Fifty composite disks were subjected to secondary curing to complete polymerization and randomly divided into five experimental groups (n = 10) including Group 1, untreated (control); Group 2, phosphoric acid-etched; Group 3, air-abrasion with Al2 O3 ; Group 4, Nd:YAG laser irradiated with non-contact and Group 5, Nd:YAG laser irradiated with contact...
March 2015: Scanning
D Labau, P Cadic, G Ouroussoff, C Ligeron, J-P Laroche, B Guillot, O Dereure, I Quéré, J-P Galanaud
Lasers are increasingly used to treat vascular abnormalities. Indeed, this technique is non-invasive and allows a specific treatment. The aim of this review is to present some biophysical principles of the lasers, to describe the different sorts of lasers available for treatment in vascular medicine indications. Three principal lasers exist in vascular medicine: the pulsed-dye laser, for the treatment of superficial pink lesions, the NdYAG-KTP laser for purple and bigger lesions, and the NdYAG long pulse laser for even deeper and bigger vascular lesions...
December 2014: Journal des Maladies Vasculaires
Vishal Madan, Paul J August
BACKGROUND: Surgical excision is considered the criterion standard treatment for lentigo maligna (LM) but may sometimes be unsuitable for elderly people or in the treatment of large lesions. OBJECTIVE: To evaluate the role of Q-switched neodymium-doped yttrium aluminium garnet (QS:Nd:YAG) and alexandrite lasers in the treatment of LM. METHODS: QS:NdYAG and alexandrite lasers were used to treat histologically proven LM in 22 patients who were considered unsuitable for wide surgical excision or declined it...
April 2009: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Apratim Goel
No abstract text is available yet for this article.
November 2008: Indian Journal of Dermatology, Venereology and Leprology
K Moghissi, Kate Dixon
We review our 21-year experience in bronchoscopic NdYAG laser for lung cancer and the relevant literature. Patients totaling 1,159 received 2,235 bronchoscopic treatments. The pre-requisite for laser therapy was the presence of >50% obstruction of the bronchial lumen. We use the rigid bronchoscope, with the patient under general anaesthetic and application of laser in its non-contact mode. Two patients (0.17%) died following the procedure, and 4.8% had non-fatal complications. Four to 6 weeks after treatment there was a 48% increase in bronchial calibre and an increase of 27% (mean) in forced vital capacity and 15% (mean) in forced expiratory volume in one second, respectively...
December 2006: Lasers in Medical Science
G Ferrante, G De Palma, S Elia, C Catanzano, C Cecere, S Griffo, L Sivero, R Costabile
BACKGROUND: Esophageal carcinoma is frequently diagnosed at an advanced stage. Therefore for most patients either surgical or endoscopic palliation with or without radiochemotherapy may be taken into consideration. This retrospective study analyzes immediate and long term results of perendoscopic treatment in patients with unresectable esophageal cancer. Moreover a comparative analysis has been made with a group of patients who underwent palliation surgery. METHODS: From 1982 to 1998 458 patients with esophageal cancer underwent palliation perendoscopic disobstructive treatment (427 patients), palliation surgery (29 patients) and dis-obstruction followed by perendoscopic gastrostomy (2 patients)...
December 1999: Minerva Gastroenterologica e Dietologica
Cheung-Yeoul Park, Su-Gwan Kim, Myung-Duck Kim, Tae-Gwan Eom, Jung-Hoon Yoon, Sang-Gun Ahn
OBJECTIVES: Dental lasers have been used for uncovering submerged implants as well as decontaminating implant surfaces when treating peri-implantitis. The objective of this study was to compare the possible alterations of the smooth surface and resorbable blast material (RBM) surface implants after using NdYAG and CO(2) lasers at various energies. MATERIALS AND METHODS: Ten smooth surface implants and 10 RBM surface implants were used. Two smooth surface implants and 2 RBM surface implants served as a control group that was not lased...
October 2005: Journal of Oral and Maxillofacial Surgery
R Dave, P J Mahaffey
Three cases of extensive congenital melanocytic naevi were treated with a combined approach using a ultrapulse carbon dioxide laser and a Nd Yag laser within 1 year of birth. The naevi were substantially depigmented and this result has been maintained for up to 36 months following treatment. The condition, treatment and the relevant literature are discussed.
December 2004: British Journal of Plastic Surgery
G Wollenek, G Laufer, J Miholic, M Deutsch, E Wolner
Both conventional Argon- and NdYAG-lasers in continuous wave or pulsed application and far ultraviolet laser radiation are able to cause a loss of substance of biologic tissue. The thermic and ablative effects of NdYAG-lasers and UV-Excimer lasers at the wavelengths of 193 nm (ArF) and 248 mm (KrF) on inconspicuous and atherosclerotic human and animal coronary vessels were compared by histologic and, in some cases, by scanning electron microscopic examinations. Whereas common lasers generally produce thermal injuries of the surroundings, pulsed far ultra-violet radiation is characterized by a lack of thermic damage...
December 1985: Texas Heart Institute Journal
K Sh Voskanian
The investigation had the purpose to study the lethal effect of laser infrared radiation (1220-1320 nm) on various genotypes of E. coli K-12 cells. Laser was produced by a parametric LiNbO3 light generator pumped up by the NdYAG second harmonic radiation. Results were compared with effects of X-ray radiation at 200 kV. The irradiated bacteria were cultivated in a solid full nutrient medium over 24 hrs at 37 degrees C. Bacteria spread in monolayer on the surface of "starvation" agar (4% agar-agar) were exposed to each type of radiation at room temperature...
2002: Aviakosmicheskaia i Ekologicheskaia Meditsina, Aerospace and Environmental Medicine
R Autrata, J Rehůrek
OBJECTIVE: To evaluate the results of primary and secondary implantations of intraocular lenses (IOL) in children--visual acuity, binocular function, resulting refraction and complications after operation. METHODS: The group comprises 47 eyes of 36 children operated in 1993-1997, aged 5-16 years (mean age of operated children 10.3 years). The follow up period after operation was 18-60 months. The mean follow period was 37 months. Twenty-two primary implantations of posterior chamber IOL were made and 25 secondary implantations, incl...
September 2000: Ceská a Slovenská Oftalmologie
R Chahal, S K Sundaram, N K Gogoi
OBJECTIVE: To assess the long-term outcome of patients undergoing KTP/YAG hybrid laser treatment for bladder outlet obstruction due to benign prostatic enlargement, in terms of symptomatic relief, complications, sexual function, patient satisfaction and acceptance of procedure. PATIENTS AND METHODS: The study recruited 148 patients prospectively. The hybrid laser treatment involved performing an initial bladder neck incision using KTP laser at 34 W followed by 4/6 point coagulation using NdYAG laser at 60 W...
2000: Urologia Internationalis
G Peretti, C Piazza, M Berlucchi, S Cavaliere, G Melloni, P Zannini, A R Antonelli
Benign Pleomorphic Adenoma (PA) is a tumor rarely found in tracheal and laryngotracheal sites. A review of the literature published since 1922 has revealed only 30 certain cases of which 3 presented simultaneous involvement of both larynx and trachea. The present work describes the thirty-first case (the fourth with a laryngotracheal localization), diagnosed in a white, 40-year-old male who had been complaining of acute dyspnea for the last three years. Initially these symptoms had been interpreted as asthmatic crises...
February 2000: Acta Otorhinolaryngologica Italica
J Pariselle, J C Sastourne, F Bidaux, F May, J P Renard, J F Maurin
PURPOSE: The aim of this study was to analyse the nature of wavelengths used by military forces, evaluate their clinical consequences in terms of ocular risk, and determine the therapeutic implications and specific preventative measures which should be implemented both in peace- and war-time-settings. MATERIAL AND METHODS: We analyzed retrospectively 13 cases of laser injury (12 patients) treated in our unit over the past 10 years. We recorded the characteristics of the responsible lasers, effects on visual acuity and visual filed, initial ophthalmoscopic and angiographic aspects, treatment undertaken and patient follow-up...
November 1998: Journal Français D'ophtalmologie
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