Observations on the simultaneous use of CO2 and Nd:YAG lasers in neurosurgery.

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 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 OBJECTIVE:Photodynamic therapy (PDT) is a minimally invasive therapeutic modality for the treatment of neoplastic and non-neoplastic diseases. The photochemical interaction of light, photosensitizer (PS) and molecular oxygen produces singlet oxygen which induces cell death. The effectiveness of zinc sulf...

journal_title：Lasers in surgery and medicine

authors： Manoto SL,Houreld NN,Abrahamse H

更新日期：2013-03-01 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 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:In this study, methylene blue-mediated photodynamic therapy (MB-PDT) was used as a possible alternative method for the treatment of oral lichen planus (OLP). STUDY DESIGN/MATERIALS AND METHODS:Thirteen patients with 26 OLP lesions were enrolled in this study. Patients were instructed to gargl...

journal_title：Lasers in surgery and medicine

authors： Aghahosseini F,Arbabi-Kalati F,Fashtami LA,Djavid GE,Fateh M,Beitollahi JM

更新日期：2006-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Autofluorescence (AF) emission is an intrinsic parameter that can provide real-time information on morpho-functional properties of biological tissue, being strictly related with their biochemical composition and structural organization. The diagnostic potentials of AF-based techniques have been...

journal_title：Lasers in surgery and medicine

authors： Croce AC,De Simone U,Freitas I,Boncompagni E,Neri D,Cillo U,Bottiroli G

更新日期：2010-07-01 00:00:00

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:A semi-solid albumin solder formulated with hydroxypropylmethylcellulose (HPMC) was designed to improve the characteristics of liquid and solid solders. STUDY DESIGN/MATERIALS AND METHODS:Acute tensile strengths were determined on canine small bowel in vitro by using liquid 50% bovine serum al...

journal_title：Lasers in surgery and medicine

authors： Bleustein CB,Walker CN,Felsen D,Poppas DP

更新日期：2000-01-01 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：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 OBJECTIVES:Hereditary hemorrhagic telangiectasia (HHT) is a hereditary condition that is associated with arteriovenous malformations. A common site for these malformations is the nasal mucosa, which is associated with severe epistaxis and debilitation for affected patients. We evaluated the efficacy and ...

journal_title：Lasers in surgery and medicine

authors： Bertlich M,Kashani F,Weiss BG,Wiebringhaus R,Ihler F,Freytag S,Gires O,Kühnel T,Haubner F

更新日期：2020-06-23 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:The main factors in photodynamic therapy (PDT) are: photosensitizer retention, photon absorption, and oxygen supply. Each factor has its unique set of problems that poses limitation to the treatment. Both light delivery and oxygen supply are significant bottlenecks in PDT. Vascular closure duri...

journal_title：Lasers in surgery and medicine

authors： Yang L,Wei Y,Xing D,Chen Q

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Acne scarring is a common complication of acne but no effective single treatment modality has been developed. To compare the efficacy of 1,550 nm Er:Glass fractional laser and chemical reconstruction of skin scar (CROSS) method in the treatment of acne scars. STUDY DESIGN/MATERIALS AND METHODS...

journal_title：Lasers in surgery and medicine

authors： Kim HJ,Kim TG,Kwon YS,Park JM,Lee JH

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND:Lymphangioma circumscriptum (LC) is a rare, benign, vascular malformation of dilated superficial lymphatic channels. Treatment is typically undertaken for cosmetic reasons or complications such as fluid drainage, pain, and infection risk that can negatively impact quality of life. Management of LC remains ch...

journal_title：Lasers in surgery and medicine

authors： Saluja S,Petersen M,Summers E

更新日期：2015-09-01 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：: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 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:Short pulsed and scanned CO(2) lasers that target water molecules are currently used for cutaneous resurfacing. These CO(2) resurfacing lasers produce acute cutaneous contraction, which can be quantitated as a measure of the laser's effect. We postulated that targeting the vibrational and rotat...

journal_title：Lasers in surgery and medicine

authors： Ellis DL,Weisberg NK,Chen JS,Stricklin GP,Reinisch L

更新日期：1999-01-01 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：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：:The BioWeld tube, an albumin-based exovascular stent, has been used for microsurgical anastomoses and compared to conventional sutures. The study presented investigated the potential of the BioWeld tube for vascular anastomosis in larger vessels. Laser-assisted BioWeld anastomoses were compared to conventional-sutured...

journal_title：Lasers in surgery and medicine

authors： Wright B,Vicaretti M,Schwaiger N,Wu J,Trickett R,Morrissey L,Rohanizadeh R,Fletcher J,Maitz P,Harris M

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Photo-aging in Chinese often presents with benign pigmentary lesions. Q-switched lasers for pigmentary lesions in Asians had reported a risk of post-inflammatory hyperpigmentation (PIH) up to 25%. Longer pulse widths in the millisecond domains were advocated with reduced risk of PIH. Recently,...

journal_title：Lasers in surgery and medicine

authors： Chan JC,Shek SY,Kono T,Yeung CK,Chan HH

更新日期：2016-01-01 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：:In this study, we examined short-term strength and histology of experimental argon and CO2 laser-welded and control-sutured enterotomies in a rabbit model. Longitudinal 1.0-cm enterotomies were closed with the argon laser at 0.5 (n = 10) or 1.0 (n = 10) W power and a spot diameter of 2.8 mm resulting in energy fluence...

journal_title：Lasers in surgery and medicine

authors： Vlasak JW,Kopchok GE,White RA

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Both photodynamic (PDT) and photothermal (PTT) therapy have proven to be effective treatment strategies for cancer, but the approach of combining them into a single treatment modality may offer better treatment efficacy. We compare the treatment efficacy of such combined treatment with the indi...

journal_title：Lasers in surgery and medicine

authors： Kah JC,Wan RC,Wong KY,Mhaisalkar S,Sheppard CJ,Olivo M

更新日期：2008-10-01 00:00:00

abstract：:This study characterizes the special properties of hematoporphyrin derivative (HpD) (Photofrin I) and Photofrin II with respect to the absorption and fluorescence spectra of the subfractions of the compounds in both solution and cells. In addition, data are presented demonstrating variation in the spectral amplitudes ...

journal_title：Lasers in surgery and medicine

authors： Sun CH,Duzman E,Mellott J,Liaw LH,Berns MW

更新日期：1987-01-01 00:00:00

abstract：:This investigation was designed to compare standard scalpel transections of the tibial branch of the rat sciatic nerve with those performed using either a milliwatt carbon dioxide (CO2) or a potassium titanyl phosphate (KTP/532) laser. Four transection groups consisted of nerves sectioned with (1) scalpel (control), (...

journal_title：Lasers in surgery and medicine

authors： Fligny I,Wu JS,Samonte BR,Fried MP

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Erbium lasers are potential tools to remove caries and dental hard tissue but bond strengths of composites to those preparations are reported to be lower than conventional methods. The purpose of this study was to evaluate the effect of mechanical excavation and/or chemical alteration on bond s...

journal_title：Lasers in surgery and medicine

authors： Obeidi A,McCracken MS,Liu PR,Litaker MS,Beck P,Rahemtulla F

更新日期：2009-08-01 00:00:00