Stone/tissue differentiation for Holmium laser lithotripsy using autofluorescence: Clinical proof of concept study.

abstract：BACKGROUND AND OBJECTIVES:Laser light of various wavelengths is being used for surgical procedures in otolaryngology. Apart from well-known fiber guided laser systems such as Nd:YAG- and Ho:YAG-lasers, newly developed diode-laser systems of different wavelengths have recently become popular in surgery. In order to comp...

journal_title：Lasers in surgery and medicine

authors： Janda P,Sroka R,Mundweil B,Betz CS,Baumgartner R,Leunig A

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Enzyme histochemical stains of frozen sections have been used by investigators to assess thermal damage. The assessment of thermal damage to cells in lipid-rich tissues such as subcutaneous tissue and sebaceous glands can be difficult due to the quality of frozen sections of such tissues. The p...

journal_title：Lasers in surgery and medicine

authors： Sherwood ME,Flotte TJ

更新日期：2007-02-01 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:Intralipid (IP) is a scatterer extensively used in the building of phantoms for Biomedical Optics measurements. Recently, deviations from the linearity have been shown for the concentration scaling law of the scattering coefficient of IP water solutions at visible wavelengths. In this work thi...

journal_title：Lasers in surgery and medicine

authors： Autiero M,Liuzzi R,Riccio P,Roberti G

更新日期：2005-06-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The difficulties typically encountered in studying the effects of restorations on tooth reinforcement are often due to the 3-dimensional (3D) nature of deformation. Therefore, electronic 3D-Speckle-Interferometry (3D-ESPI) was used to assess the impact of different restorative materials on the...

journal_title：Lasers in surgery and medicine

authors： Lang H,Rampado M,Müllejans R,Raab WH

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Transient optical nerve stimulation is a promising new non-contact, spatially precise, artifact-free neural excitation technique useful in research and clinical settings. This study evaluates safety of this pulsed infrared laser technique by histopathologic examination of stimulated peripheral ...

journal_title：Lasers in surgery and medicine

authors： Wells JD,Thomsen S,Whitaker P,Jansen ED,Kao CC,Konrad PE,Mahadevan-Jansen A

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Some oral bacteria are susceptible to killing by red light after their sensitization with toluidine blue O (TBO). The photochemotherapy of periodontal disease in vivo would require a therapeutic window where bacteria could be killed without adjacent normal tissue damage. STUDY DESIGN/MATERIALS...

journal_title：Lasers in surgery and medicine

authors： Soukos NS,Wilson M,Burns T,Speight PM

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Knowledge about optical parameters and the resultant light distribution in laser-treated tissue is important for predicting the effects of laser-induced thermotherapy of liver metastases (LITT). MATERIALS AND METHODS:The absorption and scattering coefficients as well as the anisotropy factors ...

journal_title：Lasers in surgery and medicine

authors： Germer CT,Roggan A,Ritz JP,Isbert C,Albrecht D,Müller G,Buhr HJ

更新日期：1998-01-01 00:00:00

abstract：:Since the first use of lasers in ophthalmology in the early 1960s, applications for the medical laser have been found in many medical specialties. Despite their increasing usefulness, lasers have been reported to induce injuries. Few studies have tried to quantify the number of injuries caused by the clinical use of l...

journal_title：Lasers in surgery and medicine

authors： Rodriguez JG,Sattin RW

更新日期：1987-01-01 00:00:00

abstract：:Near-infrared radiation from a Nd:YAG laser at 1,064 nm was used interstitially or superficially to induce hyperthermia in RIF-1 tumors in C3H male mice. A single 600-microns quartz fiber with a 0.5-cm cylindrical diffusor or a weakly diverging microlens at its distal end was used to deliver laser energy to tumors in ...

journal_title：Lasers in surgery and medicine

authors： Waldow SM,Russell GE,Wallner PE

更新日期：1992-01-01 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：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 OBJECTIVES:Urinary incontinence is a common and distressing condition which interferes with everyday life. Patients frequently experience discomfort related to urine leakage and the subsequent need to use absorbent pads. Since the continence mechanism is primarily maintained by a proper function of pelvi...

journal_title：Lasers in surgery and medicine

authors： Samuels JB,Pezzella A,Berenholz J,Alinsod R

更新日期：2019-11-01 00:00:00

abstract：:A study was conducted to compare the compressive strength, diametral tensile strength, transverse flexural strength, and flexural modulus of a microfilled and a small particle composite resin restorative material following argon laser and conventional visible light polymerization techniques. All physical properties ex...

journal_title：Lasers in surgery and medicine

authors： Kelsey WP 3rd,Blankenau RJ,Powell GL,Barkmeier WW,Cavel WT,Whisenant BK

更新日期：1989-01-01 00:00:00

abstract：:We present results of a series of laser spectroscopic measurements on in vitro samples of cardiovascular tissue. These include laser Raman scattering, Fourier transform infrared, plasma emission and fluorescence, and electron paramagnetic resonance spectroscopy. The results of these spectroscopic measurements are disc...

journal_title：Lasers in surgery and medicine

authors： Clarke RH,Isner JM,Gauthier T,Nakagawa K,Cerio F,Hanlon E,Gaffney E,Rouse E,DeJesus S

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Cryogen spray cooling (CSC) has become an integral part of dermatologic laser surgery because of its ability to remove selectively large amounts of heat from human skin in short periods of time, thereby protecting the epidermis from unintended thermal injury. The objective of the present study...

journal_title：Lasers in surgery and medicine

authors： Franco W,Liu J,Romero-Méndez R,Jia W,Nelson JS,Aguilar G

更新日期：2007-06-01 00:00:00

abstract：:The time constant model, as an approximation to the bio-heat equation, was tested for non-ablating, deep penetrating (argon) laser beams in absorbing tissue phantoms (polyacrylamide) in air. Temperature responses were measured with a thermal camera, both during laser irradiation as well as after the laser beam was swi...

journal_title：Lasers in surgery and medicine

authors： Meijering LJ,van Gemert MJ,Gijsbers GH,Welch AJ

更新日期：1993-01-01 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 OBJECTIVES:Port-wine stain (PWS) is a congenital, progressive vascular malformation of the dermis. The use of optical coherence tomography (OCT) for the characterization of blood vessels in PWS skin has been demonstrated by several groups. In the past few years, advances in OCT technology have greatly in...

journal_title：Lasers in surgery and medicine

authors： Liu G,Jia W,Nelson JS,Chen Z

更新日期：2013-12-01 00:00:00

abstract：:We have used MR monitoring to guide and evaluate the effects of the Nd:YAG interstitial laser on a well-characterized rat brain tumor model (C6). MRI was used to determine the tumor size, verify the location of the interstitial probe, and evaluate the size and location of the laser-induced lesion during and after trea...

journal_title：Lasers in surgery and medicine

authors： el-Ouahabi A,Guttmann CR,Hushek SG,Bleier AR,Dashner K,Dikkes P,Black PM,Jolesz FA

更新日期：1993-01-01 00:00:00

abstract：:This canine study (n = 6) evaluated the acute and chronic effects of Nd:YAG laser prostatectomy using a Prolase II fiber. The Prolase II device consists of a 1,000 microns quartz fiber which directs a cone of Nd:YAG laser energy, at 45 degrees to the axis of the fiber, into the prostatic urethra under direct visual gu...

journal_title：Lasers in surgery and medicine

authors： Kopchok GE,Back M,White RA,Cavaye DM,Peng SK,Moriel E,Rajfer J

更新日期：1994-01-01 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：BACKGROUND AND OBJECTIVE:Dynamics of cryogen spray deposition, water condensation and frost formation is studied in relationship to cooling rate and efficiency of cryogen spray cooling (CSC) in combination with laser dermatologic surgery. STUDY DESIGN/MATERIALS AND METHODS:A high-speed video camera was used to image t...

journal_title：Lasers in surgery and medicine

authors： Majaron B,Kimel S,Verkruysse W,Aguilar G,Pope K,Svaasand LO,Lavernia EJ,Nelson JS

更新日期：2001-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Hypervascular skin lesions (HVSL) are treated with medical lasers characterized by a variety of parameters such as wavelength lambda, pulse duration t(p), and radiant exposure E that can be adjusted for different pathology and blood vessel size. Treatment parameters have been optimized assumin...

journal_title：Lasers in surgery and medicine

authors： Kimel S,Choi B,Svaasand LO,Lotfi J,Viator JA,Nelson JS

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Understanding albumin solder denaturation is important for laser tissue soldering. Human (HSA), bovine (BSA), porcine (PSA), and canine (CSA) albumin both fatty acid containing (FAC) and fatty acid free (FAF) were evaluated by using differential scanning calorimetry (DSC). STUDY DESIGN/MATERIA...

journal_title：Lasers in surgery and medicine

authors： Bleustein CB,Sennett M,Kung RT,Felsen D,Poppas DP,Stewart RB

更新日期：2000-01-01 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:Carbon dioxide (CO(2)) laser resurfacing is primarily performed on photodamaged facial skin where patients are further exposed to ultraviolet radiation (UVR) postoperatively. We examined whether pre- and postoperative UVR influences the development of CO(2) laser-induced side effects. STUDY D...

journal_title：Lasers in surgery and medicine

authors： Hedelund L,Haedersdal M,Egekvist H,Heidenheim M,Hans CW,Poulsen T

更新日期：2005-02-01 00:00:00

abstract：:The advantages of the laser have been extolled in the literature but, in contrast, there is a paucity of information on the hazards involved in its surgical use. Recognition and prevention of risks is a mandatory requirement. The experience by encounter is described with counsel as to the prerequisite of taking precau...

journal_title：Lasers in surgery and medicine

authors： Lobraico RV

更新日期：1984-01-01 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：: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