Recanalization of occluded biliary endoprostheses with pulsed laser radiation.

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 OBJECTIVES:The objective of this study was to quantitatively measure changes in the elastic moduli of rabbit nasal septal cartilage during laser heating. While the efficacy of laser cartilage reshaping has been established for use in nasal surgery, few studies have investigated the temperature-dependent ...

journal_title：Lasers in surgery and medicine

authors： Chao KK,Ho KH,Wong BJ

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Recent studies have sought to utilize diode laser "micropulsing" in order to preserve therapeutic efficacy of retinal photocoagulation while minimizing pain and subjacent tissue injury. A model for the transient thermal tissue response to continuous and micropulsed diode laser output is present...

journal_title：Lasers in surgery and medicine

authors： Berger JW

更新日期：1997-01-01 00:00:00

abstract：OBJECTIVES:Intravascular photoacoustic (IVPA) imaging is being developed to image atherosclerotic plaques, a leading cause of morbidity and mortality in the United States. However, the safety of this imaging modality, which requires repeated irradiation with short laser pulses, has not yet been investigated. This study...

journal_title：Lasers in surgery and medicine

authors： Sowers T,VanderLaan D,Karpiouk A,Donnelly EM,Smith E,Emelianov S

更新日期：2018-10-10 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Alternative treatments are needed to achieve consistent and more complete port wine stain (PWS) removal, especially in darker skin types; photodynamic therapy (PDT) is a promising alternative treatment. To this end, we previously reported on Talaporfin Sodium (TS)-mediated PDT. It is essential ...

journal_title：Lasers in surgery and medicine

authors： Moy WJ,Yao J,de Feraudy SM,White SM,Salvador J,Kelly KM,Choi B

更新日期：2017-10-01 00:00:00

abstract：INTRODUCTION:Patient demand for non-surgical, non-invasive, and no-downtime wrinkle reduction treatment procedures has grown dramatically over the past decade as new treatments and technologies have been introduced. This study was performed in order to evaluate the safety and efficacy of the TriPollar radiofrequency (R...

journal_title：Lasers in surgery and medicine

authors： Shapiro SD,Eros Y,Abrahami Y,Leviav A

更新日期：2012-08-01 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：: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：BACKGROUND:For the past 15 years we have used photodynamic therapy (PDT) to treat endobronchial tumors. Unfortunately patients who have non-primary lung cancer metastatic to bronchi and who have failed other treatment regimens may not be offered endobronchial tumor management. Thirteen patients with endobronchial tumor...

journal_title：Lasers in surgery and medicine

authors： McCaughan JS Jr

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The use of pulsed dye laser (PDL) and fractional CO2 (FX CO2 ) laser therapy to treat and/or prevent scarring following burn injury is becoming more widespread with a number of studies reporting reduction in scar erythema and pruritus following treatment with lasers. While the majority of studi...

journal_title：Lasers in surgery and medicine

authors： Bailey JK,Blackstone BN,DeBruler DM,Kim JY,Baumann ME,McFarland KL,Imeokparia FO,Supp DM,Powell HM

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:An ideal treatment for pilonidal disease should feature a low recurrence rate, minimal incision, and rapid return to daily activities. We compared the outcomes of the well-defined Karydakis technique (KT) and a combination of pit excision (PE) and sinus tract ablation using 1,470-nm diode lase...

journal_title：Lasers in surgery and medicine

authors： Yardimci VH

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Basal cell carcinoma (BCC) is an indolent form of skin cancer that is rarely life threatening, but can cause significant cosmetic and functional morbidity. Surgical treatments often result in disfiguring scars, while topical therapies frequently result in recurrence. The need for a more effecti...

journal_title：Lasers in surgery and medicine

authors： Ortiz AE,Anderson RR,DiGiorgio C,Jiang SIB,Shafiq F,Avram MM

更新日期：2018-02-13 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:The argon laser-assisted vascular anastomosis may solve the problems of conventional sutured anastomosis, such as vascular stenosis and arrest of growth owing to a foreign-body reaction to suture material. STUDY DESIGN/MATERIALS AND METHODS:Twelve argon laser-assisted vascular anastomoses, se...

journal_title：Lasers in surgery and medicine

authors： Chikamatsu E,Sakurai T,Nishikimi N,Yano T,Nimura Y

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The risk of adverse skin effects following light-based hair removal is greater in pigmented skin based on the theory of selective photothermolysis. Thus sunlight-induced pigment i.e., facultative pigmentation, increases the risk of adverse skin effects, perhaps disproportionately. The aim of t...

journal_title：Lasers in surgery and medicine

authors： Thaysen-Petersen D,Lin JY,Nash J,Beerwerth F,Wulf HC,Philipsen PA,Haedersdal M

更新日期：2014-02-01 00:00:00

abstract：OBJECTIVES:Photodynamic therapy (PDT) is an effective cancer treatment that uses photosensitizers, light, and oxygen to destroy malignant cells. Porphyrins, and in particular the cationic derivatives, are the most investigated photosensitizers for PDT. In this context, it is important to study new methodologies to deve...

journal_title：Lasers in surgery and medicine

authors： Carneiro J,Gonçalves A,Zhou Z,Griffin KE,Kaufman NEM,Vicente MDGH

更新日期：2018-07-01 00:00:00

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:Laser-induced photo thermal damage has been combined with photodynamic therapy (PDT) using a systemic photosensitiser to treat vascular lesions. The efficacy of PDT using systemic 5-aminolaevulinic acid (5-ALA) as the photosensitiser and pulsed dye laser (PDL) as the light source in port wine ...

journal_title：Lasers in surgery and medicine

authors： Evans AV,Robson A,Barlow RJ,Kurwa HA

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Moraxella catarrhalis is a significant cause of pediatric otitis media (OM), which is the most prevalent bacterial infection in children and primary reason for antibiotic administration in this population. Moreover, biofilm formation has been implicated as a primary mechanism of chronic or recu...

journal_title：Lasers in surgery and medicine

authors： Luke-Marshall NR,Mang TS,Hansen LA,Campagnari AA

更新日期：2014-11-01 00:00:00

abstract：:Interstitial thermotherapy using Nd:YAG-laser induced hyperthermia is a new stereotactic method for the treatment of brain tumors in poorly accessible regions. To provide a basis for the underlying tissue alterations, we have analyzed the spatial and temporal pattern of interstitial laser hyperthermia lesions in the n...

journal_title：Lasers in surgery and medicine

authors： Schober R,Bettag M,Sabel M,Ulrich F,Hessel S

更新日期：1993-01-01 00:00:00

abstract：:For laser angioplasty probes, the thermal properties of the probes will primarily determine their mechanism of action. We examined the absorption, temperature increase, and probe degradation of transparent contact probes (hemispherical contact probe and ball-shaped fibers) and metal laser probes coupled to a continuou...

journal_title：Lasers in surgery and medicine

authors： Verdaasdonk RM,Holstege FC,Jansen ED,Borst C

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Low level laser irradiation (LLLI) is used to promote wound healing. Molecularly it is known to stimulate mitochondrial membrane potential (MMP), cytokine secretion, and cell proliferation. This study was designed to determine the influence of LLLI on the kinetics of MMP stimulation and decay,...

journal_title：Lasers in surgery and medicine

authors： Gavish L,Asher Y,Becker Y,Kleinman Y

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Intra-operative identification of tumor by fluorescence may improve surgical resection or photodynamic therapy (PDT). A novel instrument was designed, constructed, and tested for this purpose. STUDY DESIGN/MATERIALS AND METHODS:The instrument was designed to provide high-resolution, multi-spe...

journal_title：Lasers in surgery and medicine

authors： Yang VX,Muller PJ,Herman P,Wilson BC

更新日期：2003-01-01 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 OBJECTIVE:To evaluate safety and efficacy of treatment with the picosecond Nd:YAG 532 nm for lentigines in Asian skin. STUDY DESIGN/MATERIALS AND METHODS:This was a prospective, open-label cohort study, using a novel picosecond 532-nm laser for the treatment of facial lentigines. Subjects received up to...

journal_title：Lasers in surgery and medicine

authors： Chan MWM,Shek SY,Yeung CK,Chan HH

更新日期：2019-11-01 00:00:00

abstract：:A 63 year old male underwent 6,900 rads of external radiation for a squamous cell carcinoma of the left main bronchus. Recurrence of the tumor 8 months later was treated with 6,618 joules and patency of the left main bronchus was restored. Four months later, he developed complete atelectasis of the left lung requiring...

journal_title：Lasers in surgery and medicine

authors： Golish JA,Pena CM,Mehta AC

更新日期：1992-01-01 00:00:00

abstract：:A laser endoscope was devised using optic fibers in order to provide a means of visualization and removal of atheromatous plaques from arteries in cadavers and experimental animals. Atheromatous plaques were satisfactorily lased off in a few seconds, although contraction of lased vessels was observed. A self-focusing ...

journal_title：Lasers in surgery and medicine

authors： Ward H

更新日期：1984-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Low-intensity laser irradiation (LILI) has been used to modulate a variety of biological processes, including diabetic wound healing. The mechanism of action is thought to exist primarily with the mitochondria. This study aimed to determine the effect of irradiation on normal, diabetic, and isc...

journal_title：Lasers in surgery and medicine

authors： Houreld NN,Masha RT,Abrahamse H

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Sutures are currently the gold standard for wound closure but they are still unable to seal tissue and may induce scarring or inflammation. Biocompatible glues, based on polysaccharides such as chitosan, are a possible alternative to conventional wound closure. In this study, the adhesion of l...

journal_title：Lasers in surgery and medicine

authors： Lauto A,Stoodley M,Marcel H,Avolio A,Sarris M,McKenzie G,Sampson DD,Foster LJ

更新日期：2007-01-01 00:00:00

abstract：:Intestinal welding by means of low-power laser has been reported as an efficient method for intestinal anastomosis. We designed an experimental model in rats to investigate collagen and DNA concentrations in CO2 laser-welded anastomoses as compared with those in sutured anastomoses on the 4th, 7th, and 10th postoperat...

journal_title：Lasers in surgery and medicine

authors： Rabau MY,Wasserman I,Shoshan S

更新日期：1994-01-01 00:00:00