Alteration of spectral characteristics of human artery wall caused by 476-nm laser irradiation.

abstract：BACKGROUND:Primary cutaneous amyloidosis (PCA) comprises three main forms: macular, lichen, and nodular amyloidosis. The current available treatments are quite disappointing. OBJECTIVES:Assess and compare the clinical and histological changes induced by different modes of Fractional CO2 laser in treatment of PCA. PAT...

journal_title：Lasers in surgery and medicine

authors： Esmat SM,Fawzi MM,Gawdat HI,Ali HS,Sayed SS

更新日期：2015-07-01 00:00:00

abstract：:Low power laser irradiation has been reported to cause biological effects due to the photochemical and/or photophysical action of the radiation. This study determined quantitatively if transcutaneous low power laser irradiation can affect the regeneration of the rat facial nerve. The facial nerve was crushed unilatera...

journal_title：Lasers in surgery and medicine

authors： Anders JJ,Borke RC,Woolery SK,Van de Merwe WP

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:It is recognized that hypoxic/ischemic conditions leading to production of reactive oxygen species (ROS) are an important mediator of angiogenesis in the wound-healing process. Recently, low level light irradiation at 635 nm, which is used in many clinical fields, was found to decrease intrace...

journal_title：Lasers in surgery and medicine

authors： Lim WB,Kim JS,Ko YJ,Kwon H,Kim SW,Min HK,Kim O,Choi HR,Kim OJ

更新日期：2011-04-01 00:00:00

abstract：:The use of lasers as surgical tools may open up new possibilities for the treatment of atherosclerotic occlusive vascular disease. However, basic information regarding the effect of laser radiation to the lumen of normal blood vessels is needed prior to clinical application. This work investigates the nature of the CO...

journal_title：Lasers in surgery and medicine

authors： Treat MR,Weld FM,White JV,Forde KA,Fenoglio JJ,L'Esperance F,Voorhees AB

更新日期：1983-01-01 00:00:00

abstract：:Serial gross and histopathologic examinations of the prostate following interstitial laser prostatectomy in the canine model demonstrated distinct zonal thermal changes around the entire active area of the interstitial thermal therapy (ITT) fiber. A large, well-demarcated area of acute coagulative necrosis immediately...

journal_title：Lasers in surgery and medicine

authors： Johnson DE,Cromeens DM,Price RE

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:It is established that both pulsed Nd:YAG (1,064 nm) and continuous diode (810 nm) dental lasers kill pathogenic bacteria (laser antisepsis), but a quantitative method for determining clinical dosimetry does not exist. The purpose of this study was to develop a method to quantify the efficacy ...

journal_title：Lasers in surgery and medicine

authors： Harris DM,Yessik M

更新日期：2004-01-01 00:00:00

abstract：:In keeping with current interest in bactericidal effects of lasers to treat localized infection, we examined the effect of CO2 laser light on three bacterial species. Cell monolayers were placed atop filters minimizing the presence of extracellular water. Samples were exposed to irradiance values between 0 and 520 W/c...

journal_title：Lasers in surgery and medicine

authors： Talebzadeh N,Morrison PR,Fried MP

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Optical microangiography (OMAG) is a noninvasive technique capable of imaging 3D microvasculature. OMAG-based optical lymphangiography has been developed for 3D visualization of lymphatic vessels without the need for exogenous contrast agents. In this study, we utilize the optical lymphangiogr...

journal_title：Lasers in surgery and medicine

authors： Qin W,Baran U,Wang R

更新日期：2015-10-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Laryngeal lesions are usually investigated by microlaryngoscopy, biopsy, and histopathology. This study aimed to evaluate the combined use of Narrow Band Imaging (NBI) and High-Speed Imaging (HSI) in the differentiation of glottic lesions in awake patients. STUDY DESIGN:Prospective diagnostic ...

journal_title：Lasers in surgery and medicine

authors： Volgger V,Felicio A,Lohscheller J,Englhard AS,Al-Muzaini H,Betz CS,Schuster ME

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The purpose of this in vitro study is to evaluate the use of the KTP (potassium-titanyl-phosphate) 532 nm laser for future use in endovaporization of large choroidal melanomas. STUDY DESIGN/MATERIALS AND METHODS:A KTP 532 nm green laser coupled to a 0.3 mm fiberoptic probe was used to perform...

journal_title：Lasers in surgery and medicine

authors： Mattes D,Reich EM,Muellner K,Langmann G

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:There is an increasing interest in treating vascular lesions with a long-pulse Alexandrite laser. However, it is difficult to search information in the literature about infantile hemangiomas (IH) treated with long-pulse Alexandrite laser. This article aims to determine whether 755 nm long-pulse...

journal_title：Lasers in surgery and medicine

authors： Su W,Ke Y,Xue J

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lasers have a favorable synergistic effect when combined with other modalities of treatment against keloids. Different types of lasers have been used with triamcinolone infiltration, resulting in promising success rates. The purpose of this study is to describe our first experience treating ear...

journal_title：Lasers in surgery and medicine

authors： Fuenmayor P,Quiñonez H,Salas R,Pujadas Z

更新日期：2020-08-22 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Er:YAG laser has been used for caries removal and cavity preparation, using ablative parameters. Its effect on the margins of restorations submitted to cariogenic challenge has not yet been sufficiently investigated. The aim of this study was to assess the enamel adjacent to restored Er:YAG la...

journal_title：Lasers in surgery and medicine

authors： Chimello DT,Serra MC,Rodrigues AL Jr,Pécora JD,Corona SA

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Infrared neural stimulation (INS) has recently evoked interest as an alternative to electrical stimulation. The mechanism of activation is the heating of water, which induces changes in cell membrane potential but may also trigger heat sensitive receptors. To further elucidate the mechanism, wh...

journal_title：Lasers in surgery and medicine

authors： Liljemalm R,Nyberg T,von Holst H

更新日期：2013-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To evaluate the antiallergic effect of low-level laser irradiation (LLLI) at 650 nm in a mouse model of allergic rhinitis (AR), and to examine the underlying mechanisms. STUDY DESIGN/MATERIALS AND METHODS:BALB/c mice were sensitized with ovalbumin (OVA) and alum and challenged intranasally wi...

journal_title：Lasers in surgery and medicine

authors： Bae JS,Kim SH,Kim JH,Kim EH,Lyu L,Chung PS,Mo JH

更新日期：2020-04-01 00:00:00

abstract：OBJECTIVE:A relatively low level of lysosomal photodamage has been shown capable of promoting the efficacy of photodamage simultaneously or subsequently directed to mitochondrial/ER sites. The procedure has hitherto involved the use of two photosensitizing agents that require irradiation at two different wavelengths an...

journal_title：Lasers in surgery and medicine

authors： Rizvi I,Obaid G,Bano S,Hasan T,Kessel D

更新日期：2018-07-01 00:00:00

abstract：:The in vivo biological activity of uroporphyrin I has been studied by determining the amount of necrosis produced in murine tumors exposed to various total doses of light at 615 nm. Similarly, the in vitro photosensitizing activity of uroporphyrin I was examined by measuring the percentage of cells killed in a cell cu...

journal_title：Lasers in surgery and medicine

authors： Nelson JS,Sun CH,Berns MW

更新日期：1986-01-01 00:00:00

abstract：:The potential problem of rethrombosis after laser recanalization was studied in 16 thrombus-occluded canine femoral arteries. Balloon de-endothelialization and thrombin-human blood injection produced adherent, completely occlusive thrombi 4.13 +/- 1.54 cm in length; laser exposure of the thrombi occurred at 18.35 +/- ...

journal_title：Lasers in surgery and medicine

authors： Marco J,Silvernail PJ,Fournial G,Choy DS,Fajadet J,Case RB

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Various yellow light lasers have been used over the past decade in an attempt to eradicate facial telangiectasia. Based on their power output, spot size, and pulsing characteristics, these lasers belong to one of two categories that exist at either end of a spectrum--high power, short pulse, an...

journal_title：Lasers in surgery and medicine

authors： McCoy SE

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:We evaluated the potential of combining laser excision with laser interstitial hyperthermia in order to improve the quality of life of patients with 3rd or 4th stage malignant head and neck tumours. STUDY DESIGN/MATERIALS AND METHODS:To evaluate the quality of life, we used the 4th version of...

journal_title：Lasers in surgery and medicine

authors： Smucler R,Mazánek J

更新日期：2004-01-01 00:00:00

abstract：:A low-energy Nd:YAG laser was used to irradiate extracted human teeth coated with a black energy-absorbent laser initiator in a study to determine the extent of the morphologic changes produced in the enamel surface. The laser initiator was applied to a cleaned enamel surface and irradiated at an energy output of 30 m...

journal_title：Lasers in surgery and medicine

authors： Hess JA

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:High-power laser has recently become a physical stimulus for bone regeneration. Little is known about how high-power laser irradiation affects osteoblast differentiation. This study investigated osteoblast responses to high-power laser and combined irradiation with BMP-2 treatment. STUDY DESIG...

journal_title：Lasers in surgery and medicine

authors： Kim IS,Cho TH,Kim K,Weber FE,Hwang SJ

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To produce controlled, spatially confined thermal effects in dermis. STUDY DESIGNS/MATERIALS AND METHODS:A 1 W, 1,500 nm fiber-coupled diode laser was focused with a high numerical aperture (NA) objective to achieve a tight optical focus within the upper dermis of skin held in contact with a ...

journal_title：Lasers in surgery and medicine

authors： Khan MH,Sink RK,Manstein D,Eimerl D,Anderson RR

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To investigate the effect of photodynamic therapy (PDT) on cell death in malignant tumor tissue, the frequency of terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL)-positive cells and the possible involvement of Fas and Fas ligand system were evaluated. STUDY DESIGN...

journal_title：Lasers in surgery and medicine

authors： Yokota T,Ikeda H,Inokuchi T,Sano K,Koji T

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The nonablative application of holmium:yttrium-aluminum-garnet (Ho:YAG) laser energy to the joint capsule of patients with glenohumeral instability has been found to shrink capsular tissue and to help stabilize the joint. The purpose of this study was to evaluate the effect of nonablative laser...

journal_title：Lasers in surgery and medicine

authors： Hayashi K,Nieckarz JA,Thabit G 3rd,Bogdanske JJ,Cooley AJ,Markel MD

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Non-invasive laser skin treatment modalities are generally designed to protect the epidermis by cooling and limiting the laser energy deposition in accordance with skin type. We explore a treatment modality that uses a 2,940 nm Er:YAG laser with high tissue absorption to ablate an array of cha...

journal_title：Lasers in surgery and medicine

authors： Tanghetti E,Mirkov M,Sierra RA

更新日期：2017-01-01 00:00:00

abstract：:Hyperthermia induced by a microwave source (2,450 MHz) was used alone and in combination with photodynamic therapy (PDT) to treat the SMT-F, EMT-6, and RIF animal tumors in vivo. PDT was administered using either Photofrin I or II as the photosensitizer and an argon-pumped tunable dye laser (630 nm) as the light sourc...

journal_title：Lasers in surgery and medicine

authors： Waldow SM,Henderson BW,Dougherty TJ

更新日期：1987-01-01 00:00:00

abstract：:Laser balloon angioplasty with Nd:YAG energy has been proposed as a method to seal intimal dissection and prevent elastic recoil after balloon angioplasty. To better define the vessel response to laser balloon angioplasty, its effects on luminal diameter, Indium-111 labelled platelet deposition, and histology were stu...

journal_title：Lasers in surgery and medicine

authors： Alexopoulos D,Sanborn TA,Marmur JD,Badimon JJ,Badimon L,Dische R,Fuster V

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The sanitation of the root canal system and the adjacent dentin has always been a key requirement for successful endodontics. In recent years, various laser systems have provided a major contribution to this aim, namely the Nd:YAG-, the 810 nm Diode-, the Er:YAG-, and the Er,Cr:YSGG laser. Num...

journal_title：Lasers in surgery and medicine

authors： Schoop U,Kluger W,Dervisbegovic S,Goharkhay K,Wernisch J,Georgopoulos A,Sperr W,Moritz A

更新日期：2006-07-01 00:00:00

abstract：:The argon fluoride excimer laser is investigated as a cutting-ablating tool for bone surgery. Quantitative measurements are presented for various fluences of laser energy and number of pulses. Histological data are presented that demonstrate the minimal damage to the surrounding material from the laser interaction. Co...

journal_title：Lasers in surgery and medicine

authors： Lustmann J,Ulmansky M,Fuxbrunner A,Lewis A

更新日期：1991-01-01 00:00:00