Human liver autofluorescence: an intrinsic tissue parameter discriminating normal and diseased conditions.

abstract：BACKGROUND AND OBJECTIVES:Porcine skin is a widely used model in diffusion studies, but its usefulness for laser-assisted drug delivery (LADD) has not been evaluated in comparison with human skin. This study compared porcine and human skin in ex vivo LADD diffusion studies. STUDY DESIGN/MATERIALS AND METHODS:Ex vivo a...

journal_title：Lasers in surgery and medicine

authors： Rosenberg LK,Bagger C,Janfelt C,Haedersdal M,Olesen UH,Lerche CM

更新日期：2020-11-08 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：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:The metabolic flexibility is often impaired in diseases associated with obesity, and many studies are based on the hypothesis that dysfunction in peripheral tissues such as skeletal muscle, liver and adipose tissue represent the etiology of development of metabolic inflexibility. Experimental e...

journal_title：Lasers in surgery and medicine

authors： Sene-Fiorese M,Duarte FO,de Aquino Junior AE,Campos RM,Masquio DC,Tock L,de Oliveira Duarte AC,Dâmaso AR,Parizotto NA,Bagnato VS

更新日期：2015-10-01 00:00:00

abstract：UNLABELLED:BACKGROUND AND OBJECTIVE To examine the biophysical effects of photothermal heating on herniated intervertebral discs during laser decompression surgery. STUDY DESIGN/MATERIALS AND METHODS:Ex vivo bovine nucleus pulposus specimens were irradiated with a Nd: YAG laser (lambda = 1.32 microm, 100 seconds expos...

journal_title：Lasers in surgery and medicine

authors： Choi JY,Tanenbaum BS,Milner TE,Dao XV,Nelson JS,Sobol EN,Wong BJ

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND:Patients suffering from malignant gliomas have a poor prognosis. For the surgical treatment of these tumors, 5-aminolevulinic acid (5-ALA) has become a new standard. AIMS:This review intends to provide an overview over current status, significance, limitations, and future perspectives of 5-ALA based fluores...

journal_title：Lasers in surgery and medicine

authors： Stepp H,Stummer W

更新日期：2018-07-01 00:00:00

abstract：:Histological investigation of the dog's myocardium performed 7 and 25 days after irradiation with different doses of Nd-YAG laser show that the damage zone has the shape of a hollow sphere with minor changes in cardiomyocytes in the central part of the sphere. The small blood vessels in the irradiated zone remained un...

journal_title：Lasers in surgery and medicine

authors： Obelienius V,Knepa A,Lubite Y,Ambartzumian R,Isakov V,Koshelev E,Markin E

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:In the last decade, many different kinds of therapies have emerged as a consequence of advances in the field of applied technology. It is known that low level laser therapy contributes to tissue healing; however, the use of photodynamic therapy (PDT) in healing and the scar formation processes...

journal_title：Lasers in surgery and medicine

authors： Silva JC,Lacava ZG,Kuckelhaus S,Silva LP,Neto LF,Sauro EE,Tedesco AC

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:LED photomodulation has been shown to profoundly influence cellular behavior. A variety of parameters with LED photomodulation can alter cellular response in vitro. The effects of one visible and one infrared wavelength were evaluated to determine the optimal ratio to produce a net increase in ...

journal_title：Lasers in surgery and medicine

authors： McDaniel DH,Weiss RA,Geronemus RG,Mazur C,Wilson S,Weiss MA

更新日期：2010-08-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The aim was to investigate the bactericidal effect of the 1,064 nm Nd:YAG laser on Staphylococcus epidermidis. MATERIAL AND METHODS:S. epidermidis was inoculated on agar plates and then exposed to pulsed laser light in three different modes: with an uninterrupted train of pulses, or with two d...

journal_title：Lasers in surgery and medicine

authors： Grönqvist A,Wiström J,Axner O,Monsen TJ

更新日期：2000-01-01 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: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:To investigate the morphology of cementum and root dentin after Er:YAG laser irradiation with and without water coolant, compared to that after CO(2) laser irradiation and an untreated surface. STUDY DESIGN/MATERIALS AND METHODS:Ten extracted healthy human teeth were used. Er:YAG and CO(2) la...

journal_title：Lasers in surgery and medicine

authors： Sasaki KM,Aoki A,Ichinose S,Ishikawa I

更新日期：2002-01-01 00:00:00

abstract：:Methods used to revascularize ischemic myocardium have included arterial reconstruction, coronary artery bypass grafting, providing direct circulation from the intraventricular chamber, and techniques to promote collateral circulation. Ventricular channels from the epicardial surface through the endocardium are readil...

journal_title：Lasers in surgery and medicine

authors： Mirhoseini M,Fisher JC,Cayton M

更新日期：1983-01-01 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：BACKGROUND AND OBJECTIVE:A novel, noninvasive technology, utilizing suction-coupled radiofrequency (RF) heating and ultra-short pulse duration, high-voltage electrical pulses was studied for its efficacy and safety on adipose tissue reduction. METHODS:Twenty-one subjects underwent treatment of their abdominal fat once...

journal_title：Lasers in surgery and medicine

authors： Boisnic S,Divaris M,Nelson AA,Gharavi NM,Lask GP

更新日期：2014-02-01 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 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：BACKGROUND AND OBJECTIVE:Although several studies on laser-assisted hair removal have been published, data on long-term follow-up are few. The present study investigated the long-term efficacy and safety of normal-mode ruby laser pulses on hair removal. STUDY DESIGN/MATERIALS AND METHODS:The normal-mode ruby laser (Ep...

journal_title：Lasers in surgery and medicine

authors： Campos VB,Dierickx CC,Farinelli WA,Lin TY,Manuskiatti W,Anderson RR

更新日期：2000-01-01 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：:Thermal cameras are used in research laboratories to measure tissue temperature during laser irradiation. This study was an evaluation of the accuracy of a 3-5 microns thermal camera and two 8-12 microns cameras in detecting the maximum temperatures of small targets. The size of the targets was within the range of las...

journal_title：Lasers in surgery and medicine

authors： Torres JH,Springer TA,Welch AJ,Pearce JA

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Lasers can be used to modify the chemical composition of dental enamel to increase the bond strength to restorative materials and to render the mineral phase more resistant to acid dissolution. Previous studies have suggested a synergistic relationship between CO(2) laser irradiation and fluor...

journal_title：Lasers in surgery and medicine

authors： Wheeler CR,Fried D,Featherstone JD,Watanabe LG,Le CQ

更新日期：2003-01-01 00:00:00

abstract：:We used a Q-switched Nd:YAG laser with non-linear optical crystals to produce the 5th (213 nm) and the 4th (266 nm) harmonic frequencies. Using these two wavelengths, we ablated fresh porcine corneas and type I collagen synthetic epikeratoplasty lenticules. For the 213-nm ablation, radiant exposure was 1.3 J/cm2. The ...

journal_title：Lasers in surgery and medicine

authors： Gailitis RP,Ren QS,Thompson KP,Lin JT,Waring GO 3rd

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The risks of currently available invasive procedures in body contouring motivate a need for safer, non-invasive technologies for improving the appearance of body silhouette. A new device has been developed that uses focused therapeutic ultrasound to reduce adipose tissue non-invasively. The ai...

journal_title：Lasers in surgery and medicine

authors： Moreno-Moraga J,Valero-Altés T,Riquelme AM,Isarria-Marcosy MI,de la Torre JR

更新日期：2007-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Enhancement of photodynamic therapy (PDT) with 5-aminolevulinic acid (ALA) has been demonstrated experimentally using light dose fractionation or CP94 iron chelation. This study extends this research. STUDY DESIGN/MATERIALS AND METHODS:In normal rat colon, CP94 administration and light dose f...

journal_title：Lasers in surgery and medicine

authors： Curnow A,MacRobert AJ,Bown SG

更新日期：2006-04-01 00:00:00

abstract：INTRODUCTION:Photodynamic therapy is a proven therapeutic modality in the management of variety of pathologies involving the human body. Our aim in this clinical study is to prospectively evaluate the outcome following interstitial photodynamic therapy for patients with vascular anomalies. Patients' reports on quality ...

journal_title：Lasers in surgery and medicine

authors： Jerjes W,Upile T,Hamdoon Z,Mosse CA,Akram S,Morley S,Hopper C

更新日期：2011-07-01 00:00:00

abstract：:Laser-induced fluorescence may be used to guide laser ablation of atherosclerotic lesions. This study was performed to evaluate arterial autofluorescence spectroscopy in vitro using a single XeCl excimer laser (308 nm) for simultaneous tissue ablation and fluorescence excitation. The laser beam was coupled to a 600-mi...

journal_title：Lasers in surgery and medicine

authors： Morguet AJ,Körber B,Abel B,Hippler H,Wiegand V,Kreuzer H

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Linear birefringence is an anisotropic property of rat tail tendon, which is largely composed of collagen. Our goal is to show that the dynamic range and sensitivity of the linear birefringence loss of collagen during heating are sufficient for kinetic modeling of the reaction. STUDY DESIGN, M...

journal_title：Lasers in surgery and medicine

authors： Maitland DJ,Walsh JT Jr

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The clinical application of laser-assisted vascular anastomosis is afflicted by unreliable and low bonding strengths as well as tedious handling during microvascular surgery. The challenge to be met arises from the flow-off of the chromophore during soldering that changes the absorption and sta...

journal_title：Lasers in surgery and medicine

authors： Schönfeld A,Kabra ZM,Constantinescu M,Bosshardt D,Stoffel MH,Peters K,Frenz M

更新日期：2017-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The recently introduced Er:YAG laser seems to be a promising alternative in periodontal treatment due to its thermo-mechanical ablation mechanism. The present study attempted to compare the effects of an Er:YAG laser on periodontally involved root surfaces at different power settings in vivo an...

journal_title：Lasers in surgery and medicine

authors： Schwarz F,Pütz N,Georg T,Reich E

更新日期：2001-01-01 00:00:00