Effect of CO2 laser on the luminal surface of blood vessels in vivo.

abstract：BACKGROUND AND OBJECTIVE:The reactive oxygen mechanisms associated with cell damage after photodynamic therapy (PDT) may be exploited to enhance tumor destruction. Pharmacological reduction of glutathione (GSH), an inhibitor of reactive oxygen species, can be induced by administration of buthionine sulfoximine (BSO). ...

journal_title：Lasers in surgery and medicine

authors： Jiang F,Lilge L,Belcuig M,Singh G,Grenier J,Li Y,Chopp M

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Hyperhidrosis is a condition that affects a large percentage of the population and has a significant impact on peoples' lives. This report presents a technical overview of a new noninvasive, microwave-based device for creating thermolysis of sweat glands. The fundamental principles of operatio...

journal_title：Lasers in surgery and medicine

authors： Johnson JE,O'Shaughnessy KF,Kim S

更新日期：2012-01-01 00:00:00

abstract：:This study characterizes the special properties of hematoporphyrin derivative (HpD) (Photofrin I) and Photofrin II with respect to the absorption and fluorescence spectra of the subfractions of the compounds in both solution and cells. In addition, data are presented demonstrating variation in the spectral amplitudes ...

journal_title：Lasers in surgery and medicine

authors： Sun CH,Duzman E,Mellott J,Liaw LH,Berns MW

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:In order to improve selectivity of photodynamic therapy (PDT) to choroidal neovascularization (CNV) associated with age-related macular degeneration, a laser scanning technique was applied to perform focal laser irradiation to the retina, and the occlusion effects of a new device to the chorio...

journal_title：Lasers in surgery and medicine

authors： Obana A,Gohto Y

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Terawatt (TW) lasers have become commonplace since the development of the chirped-pulse amplification method using Ti:sapphire and Nd:glass laser rods. We have measured the minimum visible lesion (MVL) thresholds for porcine1The animals involved in this study were procured, maintained, and use...

journal_title：Lasers in surgery and medicine

authors： Kumru SS,Cain CP,Noojin GD,Cooper MF,Imholte ML,Stolarski DJ,Cox DD,Crane CC,Rockwell BA

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Although topical corticosteroids are still the first-line option for vitiligo, its efficacy is still unsatisfactory for stable vitiligo. A few studies have focused on laser-assisted drug delivery (LADD) but were limited by their sample deficiency and analyses of the influencing factors. To det...

journal_title：Lasers in surgery and medicine

authors： Huang C,Li P,Wang B,Deng Y,Li J,Mao M,Jian D

更新日期：2020-09-01 00:00:00

abstract：:This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain. Normal rat brains were exposed to argon laser light (454-514.5 nm) delivered through an intracerebral end-emitting (bare-tipped) or a diffusion-emitting (sapphire-tipped) optical f...

journal_title：Lasers in surgery and medicine

authors： Elias Z,Powers SK,Atstupenas E,Brown JT

更新日期：1987-01-01 00:00:00

abstract：:Laser physiology has shown that while wound healing is generally excellent after laser impaction, it nevertheless is delayed. It is thought that this factor may be important in the treatment of hypertrophic and keloid scars. These scars have been treated in a variety of ways with the laser, and the results, which have...

journal_title：Lasers in surgery and medicine

authors： Henderson DL,Cromwell TA,Mes LG

更新日期：1984-01-01 00:00:00

abstract：OBJECTIVES:While controlled thermal changes in subcutaneous tissue have been used to trigger apoptosis of fat cells and have been proven clinically efficacious, another mechanism of electromagnetic stress suggests that fat apoptosis could be achieved by a non-thermal manner as well. This animal model study investigates...

journal_title：Lasers in surgery and medicine

authors： Weiss RA,Bernardy J

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:One of the methods to detect and localize tumors in tissue is to use fluorophore conjugated specific antibodies as tumor surface markers. The goals of this study are to understand and quantify the pharmacokinetics of fluorophore conjugated antibodies in the vicinity of a tumor. This study conc...

journal_title：Lasers in surgery and medicine

authors： Fibich G,Hammer A,Gannot G,Gandjbakhche A,Gannot I

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Endoscopic third ventriculostomy is used to treat hydrocephalus. Different laser wavelengths have been proposed for laser-assisted endoscopic third ventriculostomies over the last decades. The aim of this study was to evaluate Thulium laser endoscopic third ventriculostomy heat penetration in t...

journal_title：Lasers in surgery and medicine

authors： de Boorder T,Brouwers HB,Noordmans HJ,Woerdeman PA,Han KS,Verdaasdonk RM

更新日期：2017-12-07 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：:Heat-induced oxygen tension changes in RIF-1 tumors in C3H male mice were analyzed in an attempt to correlate these changes with tumor response to Nd:YAG laser heating. A low power, microprocessor-controlled Nd:YAG laser was used to superficially heat 250-300 mm3 tumors to base temperatures of 44, 45, 46, or 48 degree...

journal_title：Lasers in surgery and medicine

authors： Fahy AK,Waldow SM

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Photodynamic therapy (PDT) is a minimally invasive therapeutic modality for the treatment of neoplastic and non-neoplastic diseases. The photochemical interaction of light, photosensitizer (PS) and molecular oxygen produces singlet oxygen which induces cell death. The effectiveness of zinc sulf...

journal_title：Lasers in surgery and medicine

authors： Manoto SL,Houreld NN,Abrahamse H

更新日期：2013-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:To further understand the precise process of the tumor cell degeneration after photodynamic therapy (PDT), laser hyperthermic therapy (LH), and combined treatments using an Nd:YAG laser. It is important to examine initial morphological alteration of tumor cells after these treatments. STUDY DE...

journal_title：Lasers in surgery and medicine

authors： Hotta S,Kashimura H,Hirai S,Nakahara A,Fukutomi H,Osuga T,Uchiyama Y

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The main factors in photodynamic therapy (PDT) are: photosensitizer retention, photon absorption, and oxygen supply. Each factor has its unique set of problems that poses limitation to the treatment. Both light delivery and oxygen supply are significant bottlenecks in PDT. Vascular closure duri...

journal_title：Lasers in surgery and medicine

authors： Yang L,Wei Y,Xing D,Chen Q

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:A semi-solid albumin solder formulated with hydroxypropylmethylcellulose (HPMC) was designed to improve the characteristics of liquid and solid solders. STUDY DESIGN/MATERIALS AND METHODS:Acute tensile strengths were determined on canine small bowel in vitro by using liquid 50% bovine serum al...

journal_title：Lasers in surgery and medicine

authors： Bleustein CB,Walker CN,Felsen D,Poppas DP

更新日期：2000-01-01 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:To determine the true efficacy of the 308-nm excimer laser for the treatment of vitiligo, while taking into account confounding factors such as anatomic site of treatment, age, sex, skin type, MED, and duration of evolution of the vitiligo. STUDY DESIGN/MATERIALS AND METHODS:Thirty-five patie...

journal_title：Lasers in surgery and medicine

authors： Ostovari N,Passeron T,Zakaria W,Fontas E,Larouy JC,Blot JF,Lacour JP,Ortonne JP

更新日期：2004-01-01 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：BACKGROUND AND OBJECTIVE:Despite laser applications targetted toward tonsillar tissue, there has been no characterization of underlying optical and thermal events during laser irradiation of tonsillar tissue. STUDY DESIGN/MATERIALS AND METHODS:The optical properties of canine and human tonsils were determined at 805 n...

journal_title：Lasers in surgery and medicine

authors： Shah RK,Nemati B,Wang LV,Shapshay SM

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:We sought to investigate risk factors for recurrence of vaginal intraepithelial neoplasia (VAIN) in the vaginal vault after laser vaporization. MATERIALS AND METHODS:Among 162 patients treated with laser vaporization in the vaginal vault after hysterectomy between March 1998 and August 2007, the clinical da...

journal_title：Lasers in surgery and medicine

authors： Kim HS,Park NH,Park IA,Park JH,Chung HH,Kim JW,Song YS,Kang SB

更新日期：2009-03-01 00:00:00

abstract：:Diagnostic endoscopy has generally been done under intravenous sedation. Diazepam and meperidine are the two most frequent drugs used. Even though these drugs produce sedation, analgesia, and amnesia, they do not provide a quiet field. Therapeutic laser endoscopy requires a quiet field. We conclude that an anesthesiol...

journal_title：Lasers in surgery and medicine

authors： Lichtiger M,Russin DJ

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Laser-assisted tissue repair is often accompanied by a high dehiscence rate, which may be due to alterations in suture material after laser exposure. The goal of this study was to investigate the effect of CO2 laser irradiation on the tensile strength of microsurgical suture material. STUDY DE...

journal_title：Lasers in surgery and medicine

authors： Menovsky T,Beek JF,van Gemert MJ

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:In previous investigations, small variations in the energy densities of low level light therapy (LLLT) were found to produce significant differences in the proliferation of resting T-lymphocytes in vitro. Pulsing these cells with mitogen in addition to laser therapy produced inhibitory effects ...

journal_title：Lasers in surgery and medicine

authors： Agaiby AD,Ghali LR,Wilson R,Dyson M

更新日期：2000-01-01 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 OBJECTIVES:Nitrogen laser-induced fluorescence (LIF) spectra of sound tooth consists of two broad bands centered at 440 and 490 nm, with two apparent side bands on either side. In order to locate the exact peak position of these bands and to effectively utilize the LIF spectral signatures for detection o...

journal_title：Lasers in surgery and medicine

authors： Subhash N,Thomas SS,Mallia RJ,Jose M

更新日期：2005-10-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Striae distensae (SD) are cutaneous lesions that often occur on the breasts, abdomen, hips, and thighs. The aim of this study is to evaluate the effectiveness of a new technique using a non-invasive Er:YAG laser combined with Spatially Modulated Ablation (SMA) module for the treatment of SD. S...

journal_title：Lasers in surgery and medicine

authors： Meningaud JP,SidAhmed-Mezi M,Billon R,Rem K,La Padula S,Hersant B

更新日期：2019-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Under standardized conditions (drug and light dose, timing), the result of the photodynamic therapy (PDT) of carcinomas of the esophagus with tetra(meta-hydroxyphenyl)chlorin (mTHPC) shows large variations between patients. STUDY DESIGN/MATERIALS AND METHODS:Before patients underwent PDT treat...

journal_title：Lasers in surgery and medicine

authors： Braichotte DR,Savary JF,Monnier P,van den Bergh HE

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Soft tissue sarcomas (STS) are a rare and heterogeneous group of malignant tumors that are often treated through surgical resection. Current intraoperative margin assessment methods are limited and highlight the need for an improved approach with respect to time and specificity. Here we investi...

journal_title：Lasers in surgery and medicine

authors： Nguyen JQ,Gowani ZS,O'Connor M,Pence IJ,Nguyen TQ,Holt GE,Schwartz HS,Halpern JL,Mahadevan-Jansen A

更新日期：2016-10-01 00:00:00