Comparison of 810 nm and 1064 nm wavelengths for interstitial laser photocoagulation in rabbit brain.

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：:The transport of biologically active material during laser cutting with CO2 and Er lasers is demonstrated. This transport mechanism removes particles from the surface of gelatin, agar, and liver samples into the depth of the laser-formed craters. The transport phenomenon is explained by a contraction and condensation ...

journal_title：Lasers in surgery and medicine

authors： Frenz M,Mathezloic F,Stoffel MH,Zweig AD,Romano V,Weber HP

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:This work evaluates the application of a 810 nm diode laser operating in the range of 400-1,200 mW for bacterial reduction at periodontal treatment. The aim of this study is to examine the immediate effect of the diode medium power laser in reducing the bacterial concentration at periodontal po...

journal_title：Lasers in surgery and medicine

authors： Fontana CR,Kurachi C,Mendonça CR,Bagnato VS

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Wound-healing delays caused by lateral thermal damage to tissue remain a drawback of CO(2) surgical lasers. This study compares the thermal damage and wound-healing properties of a 7.5-micros pulsed CO(2) laser with scalpel and continuous wave (CW) CO(2) laser incisions. STUDY DESIGN/MATERIALS...

journal_title：Lasers in surgery and medicine

authors： Sanders DL,Reinisch L

更新日期：2000-01-01 00:00:00

abstract：:Photodynamic therapy (PDT) is a promising approach to the treatment of cancer. Preferential retention of the photosensitizer by malignant tissue has been considered a hallmark of this treatment modality. However, photosensitivity can be observed in normal, non-neoplastic tissues, and the present study investigated the...

journal_title：Lasers in surgery and medicine

authors： Chazen MD,Baggs RB,Gibson SL,Albert MS,Hilf R

更新日期：1991-01-01 00:00:00

abstract：:There are a host of fiber-optic delivery devices available for use with the Er:YAG, HF, CO, and CO2 lasers at 2.9, 2.8, 5.3, and 10.6 microns wavelengths, respectively. While many of these fibers are not as convenient to use as conventional silica fibers, they offer the ability to deliver infrared laser energy for a w...

journal_title：Lasers in surgery and medicine

authors： Merberg GN

更新日期：1993-01-01 00:00:00

abstract：:One carotid from each dog underwent a laser anastomosis and the other carotid an interrupted suture repair. One or eight weeks later (n greater than or equal to 4 dogs/time period); four rings (1 mm in length) containing the laser or suture anastomosis or the normal artery (two/dog) were removed. Using a photoelectric...

journal_title：Lasers in surgery and medicine

authors： Dalsing MC,Packer CS,Kueppers P,Griffith SL,Davis TE

更新日期：1992-01-01 00:00:00

abstract：:Fluorescence spectroscopy is a promising new technique for discrimination of normal and atherosclerotic arterial tissues. It has been suggested that this technique be used as a guidance system for laser angiosurgery catheters; however, irradiation by 476-nm light can change the spectroscopic properties of arterial tis...

journal_title：Lasers in surgery and medicine

authors： Chaudhry HW,Richards-Kortum R,Kolubayev T,Kittrell C,Partovi F,Kramer JR,Feld MS

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:During endoscopic sinus surgery (ESS), intra-operative bleeding can significantly compromise visualization of the surgical field. The diode laser that provides good hemostatic and vaporization effects and excellent photocoagulation has been successfully applied in endoscopic surgery with severa...

journal_title：Lasers in surgery and medicine

authors： Lee JC,Lai WS,Ju DT,Chu YH,Yang JM

更新日期：2015-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Noninvasive bipolar and monopolar radiofrequency (RF) deep dermal heating devices have previously been described. A novel minimally invasive RF device employing a bipolar microneedle electrode system is introduced and its resultant thermal effects on human skin in vivo were characterized for t...

journal_title：Lasers in surgery and medicine

authors： Hantash BM,Renton B,Berkowitz RL,Stridde BC,Newman J

更新日期：2009-02-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To functionally evaluate the efficacy of glatiramer acetate (Cop-1) as a neuroprotective treatment for laser-induced retinal injuries in rats. STUDY DESIGN/MATERIALS AND METHODS:Using standard lasering and flash ERG techniques, we evaluated the effect of photocoagulation and of Cop-1 treatmen...

journal_title：Lasers in surgery and medicine

authors： Belokopytov M,Ben-Shlomo G,Rosner M,Belkin M,Dubinski G,Epstein Y,Ofri R

更新日期：2008-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Photodynamic therapy (PDT) has been used as a therapeutic alternative to treat periodontitis, especially in challenging sites that require additional periodontal therapy such as residual pockets. The aim of this split-mouth randomized trial was to evaluate the microbiological and clinical effec...

journal_title：Lasers in surgery and medicine

authors： Corrêa MG,Oliveira DH,Saraceni CH,Ribeiro FV,Pimentel SP,Cirano FR,Casarin RC

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Interstitial photodynamic therapy (iPDT) of non-resectable recurrent glioblastoma using 5-aminolevulinic acid (ALA)-induced protoporphyrin IX (PpIX) has shown a promising outcome. It remained unclear, however, to what extent inter- and intra-tumoural differences of PpIX concentrations influence...

journal_title：Lasers in surgery and medicine

authors： Johansson A,Faber F,Kniebühler G,Stepp H,Sroka R,Egensperger R,Beyer W,Kreth FW

更新日期：2013-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lines of radiofrequency ablation for cure of atrial fibrillation are broad, and the consequent loss of atrial mass may impair atrial function and contribute to the risk of stroke. We studied whether Nd:YAG laser could produce deep but narrower lesions. STUDY DESIGN/MATERIALS AND METHODS:Laser ...

journal_title：Lasers in surgery and medicine

authors： Thomas SP,Guy DJ,Rees A,Collins L,Ross DL

更新日期：2001-01-01 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：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：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：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:Biofilm-related diseases such as caries and periodontal disease are prevalent chronic oral infections which pose significant oral and general health risks. Biofilms are sessile communities attached to surfaces. Photodynamic therapy (PDT) has been demonstrated to have a significant anti-microbi...

journal_title：Lasers in surgery and medicine

authors： Mang TS,Tayal DP,Baier R

更新日期：2012-09-01 00:00:00

abstract：:The pulsed dye laser (wavelength 504 nm, pulse duration 1 microsecond) is widely used for fragmenting urinary and biliary calculi. In this study, the performance of this laser was compared with pulsed dye lasers producing pulse durations of 8 and 20 microseconds. Fragmentation thresholds and fragmentation rates were m...

journal_title：Lasers in surgery and medicine

authors： Bhatta KM,Nishioka NS

更新日期：1989-01-01 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：BACKGROUND AND OBJECTIVE:Low-intensity laser irradiation is claimed to enhance wound healing. Healing after myocardial infarction results in ventricular enlargement and wall thinning. If laser treatment accelerated cardiac healing, we speculated that ventricular remodeling would be attenuated. STUDY DESIGN/MATERIALS A...

journal_title：Lasers in surgery and medicine

authors： Whittaker P,Patterson MJ

更新日期：2000-01-01 00:00:00

abstract：:We examined the biostimulating effects of helium-neon laser radiation (HeNe; 632.8 nm), pulsed infrared laser radiation (IR; 904 nm), and the two combined on skin wound healing in New Zealand white rabbits. Seventy-two rabbits received either 1) no exposure, 2) 1.65 J/cm2 HeNe, 3) 8.25 J/cm2 pulsed IR, or 4) both HeNe...

journal_title：Lasers in surgery and medicine

authors： Braverman B,McCarthy RJ,Ivankovich AD,Forde DE,Overfield M,Bapna MS

更新日期：1989-01-01 00:00:00

abstract：:The acute or emergency treatment of traumatic tattoos has been based on the principles of immediate and thorough removal of all particles. The delayed treatment of traumatic tattoos has classically been with overgrafting or dermabrasion. We developed an animal model for traumatic tattoos. Two levels of wounds were mad...

journal_title：Lasers in surgery and medicine

authors： Sunde D,Apfelberg DB,Sergott T

更新日期：1990-01-01 00:00:00

abstract：:Percutaneous endoscopic approaches to cholelithiasis would be facilitated by methods for welding gallbladder tissues. We evaluated the bursting pressure and histologic appearance of canine gallbladder tissue welded with a thulium-holmium-chromium:YAG (THC:YAG) laser producing a 2.15 microns pulsed output. The tissue a...

journal_title：Lasers in surgery and medicine

authors： Popp HW,Oz MC,Bass LS,Chuck RS,Trokel SL,Treat MR

更新日期：1989-01-01 00:00:00

abstract：:To date, there are two fairly well-established alternatives for laser-induced shock-wave lithotripsy in clinical practice. The Q-switched Nd:YAG laser is distinguished by the high-stone selectivity of its coupler systems. The necessity of a coupler system and its fairly small conversion rate of light energy into mecha...

journal_title：Lasers in surgery and medicine

authors： Thomas S,Pensel J,Engelhardt R,Meyer W,Hofstetter AG

更新日期：1988-01-01 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:CO2 laser cordectomy has been the workhorse of laser surgery for early glottic squamous cell carcinoma (GSCC) since the early 1970s. During the last decades, potassium titanyl phosphate (KTP) laser surgery for early GSCC gained popularity, introducing the tumor ablation technique. Yet, there a...

journal_title：Lasers in surgery and medicine

authors： Lahav Y,Cohen O,Shapira-Galitz Y,Halperin D,Shoffel-Havakuk H

更新日期：2020-09-01 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：: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