Cryogen spray cooling in laser dermatology: effects of ambient humidity and frost formation.

abstract：:The photocoagulating properties of the water-jet-cooled Nd:YAG laser (1,064 nm) have been studied in a rat tumor model. A colon carcinoma CC531 was implanted in the liver; 20 days after inoculation, laser therapy was performed with 600 J, 850 J, 1,200 J, 1,700 J, or 2,400 J at a power setting of either 10 or 20 W. Liv...

journal_title：Lasers in surgery and medicine

authors： Van Hillegersberg R,Kort WJ,ten Kate FJ,Terpstra OT

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The aim of this clinical study was to evaluate the safety of local delivery of a photosensitizer followed by photodynamic therapy (PDT), to determine its effectiveness in reducing in-stent restenosis. STUDY DESIGN/PATIENTS AND METHODS:Porfimer sodium was administered via a local delivery cath...

journal_title：Lasers in surgery and medicine

authors： Usui M,Miyagi M,Fukasawa S,Hara T,Ueyama N,Nakajima H,Takata R,Sasame A,Tamura K,Naitou Y,Yamashina A

更新日期：2004-01-01 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:We developed novel heat-conducting templates, and tested whether they could effectively remove damaging heat from the tissue during laser ablation. The reduction of lateral thermal damage during cutaneous incisional laser procedures should decrease the time in wound healing. In addition, we se...

journal_title：Lasers in surgery and medicine

authors： Spector N,Reinisch L,Spector J,Ellis DL

更新日期：2002-01-01 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：:partial ciliary processes argon laser photocoagulation (PCLP) in the management of glaucoma has been the subject of a carefully conducted, prospective 5+-year clinical trial in 22 eyes of 20 patients. The mean intraocular pressure (IOP) +/- SD was significantly lower (15.5 +/- 3.6 mm Hg) than before the procedure (29....

journal_title：Lasers in surgery and medicine

authors： Lee PF,Shihab Z,Eberle M

更新日期：1980-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Non-invasive laser skin treatment modalities are generally designed to protect the epidermis by cooling and limiting the laser energy deposition in accordance with skin type. We explore a treatment modality that uses a 2,940 nm Er:YAG laser with high tissue absorption to ablate an array of cha...

journal_title：Lasers in surgery and medicine

authors： Tanghetti E,Mirkov M,Sierra RA

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND:Platelet-rich plasma (PRP) which contains large amounts of growth factors has been tried to enhance therapeutic efficacy of laser treatment for acne scar with unknown underlying mechanism. OBJECTIVES:The present study was conducted to investigate the molecular mechanism of increased clinical efficacy of PRP...

journal_title：Lasers in surgery and medicine

authors： Min S,Yoon JY,Park SY,Moon J,Kwon HH,Suh DH

更新日期：2018-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Interstitial laser thermotherapy was used to treat rat liver tumours. The aim was to investigate the influence of temperature and temporary hepatic inflow occlusion on tumour growth and blood perfusion. STUDY DESIGN/MATERIALS AND METHODS:Liver tumours were treated at 44°C at the tumour border ...

journal_title：Lasers in surgery and medicine

authors： Sturesson C,Ivarsson K,Stenram U,Andersson-Engels S,Tranberg KG

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:This study was conducted to clarify the morphologic characteristics and subsequent repair process of coagulation necrosis produced by pulsed CO(2) laser irradiation with relatively low fluence, and thereby to evaluate the clinical efficacy of this irradiation mode. STUDY DESIGN/MATERIALS AND ...

journal_title：Lasers in surgery and medicine

authors： Yamasaki A,Tamamura K,Sakurai Y,Okuyama N,Yusa J,Ito H

更新日期：2008-12-01 00:00:00

abstract：:The CO2 laser has provided the otolaryngologist/head and neck surgeon with a valuable addition in the diagnosis and treatment of malignant disease of the oral cavity. It is also helpful in the treatment of the premalignant clinical leukoplakias of the oral cavity. Carcinoma in situ has been diagnosed and treated succe...

journal_title：Lasers in surgery and medicine

authors： Duncavage JA,Ossoff RH

更新日期：1986-01-01 00:00:00

abstract：:CO2, Nd:YAG, and argon lasers have been used for 5 years for experimental and clinical procedures at the National Cancer Institute of Milan under the auspices of the National Research Council. Experimental data regarding tumor cell spread through lymphatic and hematic channels and cell viability in the fumes after CO2...

journal_title：Lasers in surgery and medicine

authors： Emanuelli H,Bandieramonte G,Marchesini R,Fava G,Rodari A,Colombo MP,Costa A,Spinelli P,Zunino F,Chiesa F,Cascinelli N,Andreola S,Pariente R,Canti GF

更新日期：1983-01-01 00:00:00

abstract：INTRODUCTION:Leg telangiectasias have been reported to have been treated with a variety of lasers. This study was designed to measure response to treatment of leg telangiectasias with a unique coupled 585 nm and 1064 nm pulse. METHODS:Sixty female patients (24-62 y.o., skin types II-IV) with leg vein varicosities were...

journal_title：Lasers in surgery and medicine

authors： Trelles MA,Weiss R,Moreno-Moragas J,Romero C,Vélez M,Alvarez X

更新日期：2010-11-01 00:00:00

abstract：:New instruments to facilitate laser operations are presented. These devices are based on the Kocher bronchocoele sound and are useful as dissecting tools and optical backstops to prevent iatrogenic injury. ...

journal_title：Lasers in surgery and medicine

authors： Lanzafame RJ

更新日期：1990-01-01 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：: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：:Seven cases of cerebral tumors (four deep-seated sovratentorial gliomas located in motor area, occipital region, parietal region and frontal region; one deep-seated cystic cerebellar spongioblastoma; one sphenoidal wing meningioma, and one spinal cord intradural tumor) were simultaneously irradiated in the same area w...

journal_title：Lasers in surgery and medicine

authors： Fasano VA,Benech F,Ponzio RM

更新日期：1982-01-01 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 OBJECTIVES:Currently there is no safe, effective, and rapid means to eliminate the pain associated with a needle insertion through the skin. It is hypothesized that ablation of the stratum corneum layer using a low energy Erbium(Er):YAG laser would allow rapid local anesthesia from a lidocaine product. ...

journal_title：Lasers in surgery and medicine

authors： Shapiro H,Harris L,Hetzel FW,Bar-Or D

更新日期：2002-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Laryngeal lesions are usually investigated by microlaryngoscopy, biopsy, and histopathology. This study aimed to evaluate the combined use of Narrow Band Imaging (NBI) and High-Speed Imaging (HSI) in the differentiation of glottic lesions in awake patients. STUDY DESIGN:Prospective diagnostic ...

journal_title：Lasers in surgery and medicine

authors： Volgger V,Felicio A,Lohscheller J,Englhard AS,Al-Muzaini H,Betz CS,Schuster ME

更新日期：2017-08-01 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：: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:Keloids have been treated with flashlamp pulsed dye lasers (PDLs) with good results. We investigated whether PDL treatments induced keloid regression by decreasing growth factor-beta(1) (TGF-beta(1)) induction, thereby reducing fibroblast proliferation and collagen deposition. STUDY DESIGN/MA...

journal_title：Lasers in surgery and medicine

authors： Kuo YR,Jeng SF,Wang FS,Chen TH,Huang HC,Chang PR,Yang KD

更新日期：2004-01-01 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 OBJECTIVES:Q-switched lasers had been used in the treatment of lentigo maligna but their role remains controversial. While previous studies have addressed the change in adhesion molecule expression after sub-lethal laser damage, no study has addressed the impact of sub-lethal laser damage at a molecular ...

journal_title：Lasers in surgery and medicine

authors： Chan HH,Xiang L,Leung JC,Tsang KW,Lai KN

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Most women with early stage breast cancer have the option of breast conserving therapy, which involves a partial mastectomy for removal of the primary tumor, usually followed by radiotherapy. The presence of tumor at or near the margin is strongly correlated with the risk of local tumor recurre...

journal_title：Lasers in surgery and medicine

authors： Keller MD,Majumder SK,Kelley MC,Meszoely IM,Boulos FI,Olivares GM,Mahadevan-Jansen A

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Nonmelanoma skin cancers, including basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), are the most common skin cancers, presenting nearly as many cases as all other cancers combined. The current gold-standard for clinical diagnosis of these lesions is histopathologic examination, a...

journal_title：Lasers in surgery and medicine

authors： Lieber CA,Majumder SK,Ellis DL,Billheimer DD,Mahadevan-Jansen A

更新日期：2008-09-01 00:00:00

abstract：BACKGROUND/OBJECTIVES:Current laser therapy of port wine stain (PWS) birthmarks with a single laser pulse (SLP) does not produce complete lesion removal in the majority of patients. To improve PWS therapeutic efficacy, we evaluated the performance of an approach based on multiple laser pulses (MLP) to enhance blood ves...

journal_title：Lasers in surgery and medicine

authors： Jia W,Tran N,Sun V,Marinček M,Majaron B,Choi B,Nelson JS

更新日期：2012-02-01 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: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