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 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 OBJECTIVE:Progressive ascending telangiectasia (PAT) is a distinct entity with telangiectatic superficial vessels on lower extremities as its main clinical feature. A relationship with occult infections and response to antibiotic and antifungal drugs have been described, although not all cases can be suc...

journal_title：Lasers in surgery and medicine

authors： Pérez B,Núñez M,Boixeda P,Harto A,Ledo A

更新日期：1997-01-01 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 OBJECTIVE:In recent years, clinical low-intensity laser therapy practice has used pulsed radiation, mainly from semiconductor lasers. Experimental works devoted to the study of relationships between biological and clinical effects and parameters of pulsed radiation are practically absent. STUDY DESIGN/M...

journal_title：Lasers in surgery and medicine

authors： Karu TI,Pyatibrat LV,Ryabykh TP

更新日期：1997-01-01 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:Severed tibial nerves in rats were repaired using a novel technique, utilizing a semiconductor diode-laser-activated protein solder applied longitudinally across the join. Welding was produced by selective laser denaturation of solid solder bands containing the dye indocyanine green. STUDY DES...

journal_title：Lasers in surgery and medicine

authors： Lauto A,Trickett R,Malik R,Dawes JM,Owen ER

更新日期：1997-01-01 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：BACKGROUND AND OBJECTIVE:We reported the use of Holmium-YAG laser in the management of a foreign body impacted in the esophagus. STUDY DESIGN/PATIENTS AND METHODS:Esophagoscopy was performed on a man with a denture impacted in the esophagus. The denture was disimpacted into the stomach and fractured with Holmium-YAG l...

journal_title：Lasers in surgery and medicine

authors： Lam YH,Ng EK,Chung SC,Li AK

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Hypertrophic scarring and rigid scar contracture are disorders of wound healing for which there is presently no effective therapy. The dermal fibroblast plays a major role in scar fibrillogenesis and contracture. The objective of this study was to establish a selective and effective method to d...

journal_title：Lasers in surgery and medicine

authors： Strong LH,Berthiaume F,Yarmush ML

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:This laboratory animal study is a comparison of Nd:YAG 1064 nm and diode 810 nm laser wavelengths in brain interstitial laser photocoagulation (ILP). Specific goals were to identify potential complications and physical characteristics of the thermal damage at both wavelengths prior to undertaki...

journal_title：Lasers in surgery and medicine

authors： Wyman DR,Schatz SW,Maguire JA

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:A randomized clinical trial using the argon-green (514 nm) and the double-frequency Nd:YAG (532 nm) lasers was carried out on 42 eyes with proliferative diabetic retinopathy (PDR), with the aim of assessing the long-term effects of double-frequency Nd:YAG panretinal photocoagulation (PRP). MAT...

journal_title：Lasers in surgery and medicine

authors： Bandello F,Brancato R,Lattanzio R,Trabucchi G,Azzolini C,Malegori A

更新日期：1996-01-01 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:Fifty percent human albumin solder significantly improves weld strength when compared to lower concentrations [Wright et al., ASLMS meeting, April, 1995]. We developed a method for preparing 50% human albumin that may be considered compatible for clinical applications. STUDY DESIGN/MATERIALS A...

journal_title：Lasers in surgery and medicine

authors： Poppas DP,Wright EJ,Guthrie PD,Shlahet LT,Retik AB

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The pulsed holmium laser is a promising tool for tissue ablation but possesses some limitations. For example, it is capable of producing significant mechanical damage in certain tissues in the form of fissures and fractures. Because longer pulse durations should reduce mechanical damage, this s...

journal_title：Lasers in surgery and medicine

authors： Domankevitz Y,McMillan K,Nishioka NS

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Pyropheophorbide-a-hexyl ether (HPPH) is a new compound being investigated for use as a photosensitizer for photodynamic therapy; however, the pharmacokinetics are not known for any of the target species likely to be treated with this drug. The objective of this study was to determine the phar...

journal_title：Lasers in surgery and medicine

authors： Payne JT,McCaw DL,Casteel SW,Frazier D,Rogers K,Tompson RV

更新日期：1996-01-01 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:The heat balance equation is central to modeling laser vaporization of tissue. Because about 70% of tissue is water, energy loss due to water vaporization becomes an important consideration in modeling. In this study, the rate and pattern of water vaporization from various animal tissues studie...

journal_title：Lasers in surgery and medicine

authors： Ramachandran T,Sreenivasan K,Sivakumar R

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Little information is available regarding the effectiveness of laser prostatectomy in patients with urinary retention from benign prostatic hyperplasia since there is no paper specifically dealing with laser prostatectomy in patients in urinary retention. STUDY DESIGN/MATERIALS AND METHODS:Twe...

journal_title：Lasers in surgery and medicine

authors： Fournier GR Jr,Tewari A,Induhara R,Gajenderan V,Narayan P

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The clinical use of lasers to cut and coagulate tissue necessitates a better understanding of how the residual thermal damage affects healing. This study was designed to evaluate the effects of varying degrees of thermal damage on the healing process. STUDY DESIGN, MATERIALS AND METHODS:Partia...

journal_title：Lasers in surgery and medicine

authors： Jaffe BH,Walsh JT Jr

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:To investigate silicone naphthalocyanine (SINc; 0.5 mg/kg) for photodynamic therapy (PDT) of the ciliary body in pigmented rabbits. STUDY DESIGN/MATERIALS AND METHODS:SINc was dissolved in canola oil by heating, emulsified with Tween-80, and given by ear vein. Pharmacokinetics were studied in ...

journal_title：Lasers in surgery and medicine

authors： Hill RA,Garrett J,Reddi S,Esterowitz T,Liaw LH,Ryan J,Shirk J,Kenney M,Shimuzu S,Berns MW

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lasers are used for caries removal in enamel and dentin, but are currently limited in their ability to remove sound tooth structure. In this study plasma interaction regimes are investigated as the principal factor determining the ablation characteristics. STUDY DESIGN/MATERIALS AND METHODS:Th...

journal_title：Lasers in surgery and medicine

authors： Neev J,Pham K,Lee JP,White JM

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The relationship between tissue ablation volume and the formation of insoluble gas of the currently available excimer laser systems is unknown. This aspect was evaluated in two excimer laser systems. STUDY DESIGN/MATERIALS AND METHODS:We measured tissue ablation volume and gas production of tw...

journal_title：Lasers in surgery and medicine

authors： Appelman YE,Piek JJ,Verhoofstad GG,Gijsbers GH,Van Gemert MJ

更新日期：1996-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Local recurrence after surgical resection for breast cancer is a significant problem and is often not controlled by radiation or chemotherapy treatments. Local recurrence is thought to be, at least in part, due to residual disease, and/or due to the contamination of the surgical field during re...

journal_title：Lasers in surgery and medicine

authors： Maker VK,Elseth KM,Radosevich JA

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Although the empirical characteristics of ArF excimer laser corneal ablation have been well documented, the exact ablation mechanisms are not well understood. The present paper reports a quantitative analysis of corneal ablation plumes using in situ time resolved laser light scattering and Rama...

journal_title：Lasers in surgery and medicine

authors： Hahn DW,Ediger MN,Pettit GH

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Intravascular ultrasound (IVUS) has been used successfully to detect intravascular lesions. This study evaluates the ability of IVUS to detect acoustic damage to the arterial wall following high power, pulsed laser ablation. STUDY DESIGN/MATERIALS AND METHODS:Arterial ablation and disruption w...

journal_title：Lasers in surgery and medicine

authors： Friedl SE,Mathews ED,Miyamoto A,Abela GS

更新日期：1995-01-01 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：:This article reviews the principle uses of ophthalmic lasers, providing historical background with an emphasis on new applications and areas of investigation. Ophthalmic photocoagulation was the first medical laser application and has restored or maintained vision in millions of people. More recently, photodisruption ...

journal_title：Lasers in surgery and medicine

authors： Krauss JM,Puliafito CA

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:In coupling laser with micromanipulator through fiberoptics, the resulting diameter of the spot is limited by the laws of geometrical optics, because of the high numerical aperture (N.A.) of fiberoptic radiation. A new method for the reduction of spot size diameter is suggested. STUDY DESIGN/M...

journal_title：Lasers in surgery and medicine

authors： Logunov SL,Lemberg VG

更新日期：1995-01-01 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：: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：:Serial gross and histopathologic examinations of the prostate following interstitial laser prostatectomy in the canine model demonstrated distinct zonal thermal changes around the entire active area of the interstitial thermal therapy (ITT) fiber. A large, well-demarcated area of acute coagulative necrosis immediately...

journal_title：Lasers in surgery and medicine

authors： Johnson DE,Cromeens DM,Price RE

更新日期：1994-01-01 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：:We examined the response of tattoo pigments treated with three commercially available lasers: Q-switched ruby, Q-Switched neodynium:yttrium,aluminum,garnet (Nd:YAG), and the alexandrite. Tattoos applied to hairless guinea pigs and treated with the aforementioned lasers were evaluated clinically, histologically, and ul...

journal_title：Lasers in surgery and medicine

authors： Zelickson BD,Mehregan DA,Zarrin AA,Coles C,Hartwig P,Olson S,Leaf-Davis J

更新日期：1994-01-01 00:00:00

abstract：:Er-YAG (2.9 microns, 200 microseconds pulsewidth) and Ho-YAG (2.12 microns, 250 microseconds pulsewidth) lasers were used to irradiate bovine crystalline lenses. Mass ablated increased with increasing fluence for both lasers and was greater for the Er-YAG than the Ho-YAG laser at all fluences. The mass loss vs. fluenc...

journal_title：Lasers in surgery and medicine

authors： Ross BS,Puliafito CA

更新日期：1994-01-01 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

abstract：:Laser balloon angioplasty with Nd:YAG energy has been proposed as a method to seal intimal dissection and prevent elastic recoil after balloon angioplasty. To better define the vessel response to laser balloon angioplasty, its effects on luminal diameter, Indium-111 labelled platelet deposition, and histology were stu...

journal_title：Lasers in surgery and medicine

authors： Alexopoulos D,Sanborn TA,Marmur JD,Badimon JJ,Badimon L,Dische R,Fuster V

更新日期：1994-01-01 00:00:00

abstract：:In keeping with current interest in bactericidal effects of lasers to treat localized infection, we examined the effect of CO2 laser light on three bacterial species. Cell monolayers were placed atop filters minimizing the presence of extracellular water. Samples were exposed to irradiance values between 0 and 520 W/c...

journal_title：Lasers in surgery and medicine

authors： Talebzadeh N,Morrison PR,Fried MP

更新日期：1994-01-01 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：:Laser photocoagulation has proven to be valuable in the treatment of port-wine stains. In this application, the minimal blanching technique is used as an indicator of suitable dosage since it has been demonstrated that the immediate appearance a white mark is required to achieve permanent blanching a few months later....

journal_title：Lasers in surgery and medicine

authors： Mordon S,Beacco C,Rotteleur G,Brunetaud JM

更新日期：1993-01-01 00:00:00