cryotherapy and radiofrequency ablation

$Báo cáo khoa học: "Treatment of pathologic spinal fractures with combined radiofrequency ablation and balloon kyphoplasty" doc$

Báo cáo khoa học: "Treatment of pathologic spinal fractures with combined radiofrequency ablation and balloon kyphoplasty" doc

Ngày tải lên : 09/08/2014, 04:21

... 2,5 ml for T12 and L3 vertebra, ml for L1, ml for L2 and ml for L4 vertebra Increases of 6% and 12% were measured respectively for anterior and middle wall of T12 vertebra and 10% and Page of (page ... Burlington, MA, USA) After the ablation step, the radiofrequency probes were removed and the kyphoplasty balloons (Kyphon, Medtronic, Minneapolis, MN, USA) were inserted and inflated (Fig 2) Partial ... complications related to procedure were observed Postoperatively, the VAS and and Oswestry scores were 1% and 28% respectively and the patient did not need any additional analgesic therapy In the...

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Modelling and analysis of a new integrated radiofrequency ablation and division device

Ngày tải lên : 16/10/2015, 15:36

... cold-based (cryoablation), and extreme heatbased (radiofrequency ablation, microwave ablation and laser ablation) ablations These treatments can be performed in laparoscopic, percutaneous, and open ... liver for desired ablation at lobe A, B, C and D, and (b) ablation process using the new RF ablation and cutting prototype 60 (a) Aluminium tissue cutter of 10mm inner diameter, and (b) tissue ... porcine liver in the perfusion tank, and (b) application of the new RF ablation and cutting prototype 42 (a) The ablation and cut region on a perfused liver, and (b) break segment of the ablated...

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Báo cáo hóa học: " Low temperature of radiofrequency ablation at the target sites can facilitate rapid progression of residual hepatic VX2 carcinoma" pdf

Ngày tải lên : 18/06/2014, 16:20

... immunohistochemistry, XD and JK performed the western blotting SK, XD and WS conceived and designed the experiments and analyzed the data The manuscript was written by SK and WS All authors read and approved ... I, II and III vs control group #P < 0.05, group I vs groups II and III, by one-way ANOVA and Newman-Keuls test) sufficiently separated from each other to be counted individually (Fig 4A and 4B) ... collagen and is postulated to play an important role in HCC invasion and metastasis [21,22] Tumor angiogenesis is another crucial step in the growth and metastasis of cancer, including HCC, and has...

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Báo cáo y học: "Efficacy of Radiofrequency Ablation of Hepatocellular Carcinoma Associated with Chronic Liver Disease without Cirrhosis" pdf

Ngày tải lên : 08/08/2014, 17:20

... 1, 3, and years were 4%, 33%, and 41% of patients (Fig 2) The year probability to develop multicentric disease was 16% (Fig 3) Actuarial survival rates after 1, 3, and years were 92%, 72%, and ... al A randomized controlled trial of radiofrequency ablation with ethanol injection for small hepatocellular carcinoma Gastroenterology 2005;129:122-130 Lin SM, Lin C-J, Lin C-C, et al Randomised ... Sutherland LM, Williams J, Padbury R, et al Radiofrequency ablation of liver tumors A systematic review Arch Surg 2006;141:181-190 Lu DSK,Yu NC, Raman SS, Lassman C, et al Percutaneous radiofrequency...

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Báo cáo khoa học: "An unusual cause of chyluria after radiofrequency ablation of a renal cell carcinoma: a case report" docx

Ngày tải lên : 10/08/2014, 23:22

... RS, McDougal WS, Mueller PR: Radiofrequency ablation of renal cell carcinoma: part 1, Indications, results, and role in patient management over a 6-year period and ablation of 100 tumors Am J ... rare, and is caused by communication between the lymphatic and urinary tract systems It is usually secondary to filariasis infection [3] Other causes include abscesses, tumor, tuberculosis and ... report and review of literature ScientificWorldJournal 2009, 19:2180-2190 Schneider J, Zaid UB, Breyer BN, Yeh BM, Westphalen A, Coakley FV, Wang ZJ: Chyluria associated with radiofrequency ablation...

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Báo cáo y học: " Osteoid osteoma of the femoral head treated by radiofrequency ablation: a case report" ppt

Ngày tải lên : 11/08/2014, 00:23

... emphasis on radiofrequency ablation Eur Radiol 2004, 14:607-617 Papagelopoulos PJ, Mavrogenis AF, Kyriakopoulos CK, Benetos IS, Kelekis NL, Andreou J, Soucacos PNJ: Radiofrequency ablation of ... section with radiofrequency ablation (RFA) needle placed within the drilled tract at a 90°C for a period of minutes at 60 W Figure shows residual air pockets post radiofrequency ablation The ... a radiofrequency ablation Under general anesthesia the nidus was localized with mm CT sections and osseous access was established with a 4.5 mm drill Figure shows an axial CT section with radiofrequency...

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Báo cáo y học: "Cold saline irrigation of the renal pelvis during Radiofrequency Ablation of a central renal neoplasm: a case report" potx

Ngày tải lên : 11/08/2014, 11:20

... nephrectomy are cryoablation, radiofrequency ablation, and high-intensity focused ultrasound Advances in imaging, ablative system technologies, and early evidence that in situ tumor ablation can yield ... Radiofrequency ablation of renal cell carcinoma via image guided needle electrodes J Urol 1999, 161:599-600 Brown DB: Concepts, considerations, and concerns on the cutting edge of radiofrequency ablation ... 10 cm radiofrequency electrode (CoolTip, Radionics, Burlingthon, Mass) was placed into the tumor and used to ablate two adjacent areas for 12 minutes each The temperatures reached 79°C and 82°C...

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Si nanowires synthesized by laser ablation of mixed sic and sio2 powders

Ngày tải lên : 16/03/2014, 15:08

... sccm Žstandard cubic centimeter and a pressure of 700 Torr After the temperature achieved 14008C, the laser ablation process was started A KrF excimer laser beam Ž248 nm of 400 mJ per pulse and a ... ablated the target The total duration of ablation was h and the size of the laser spot on the target was about = mm Two layers of sponge-like webs, a yellow web and a green web, were deposited on the ... 0.25 nm This value fits with the standard Ä 1114 crystalline plane of b-SiC Grain boundaries and microtwins are the main defects observed The results of XRD and Raman analysis also give the same...

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Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation

Ngày tải lên : 16/03/2014, 15:09

... SiNWs synthesized by laser ablation In this Letter, we present the results on this project Our results show that the morphology and diameter of SiNWs synthesized by laser ablation not only correlate ... the target for h When ablation was over, the fluffy as-deposited products with different colors and appearances were found on the surface of the Si substrate The morphologies and electron diffraction ... introduced and kept flowing at a flow rate of 50 sccm The pressure in the tube was controlled at 300 Torr Then the furnace was heated to 1200 °C at the central region After the temperature and pressure...

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Báo cáo " Silver nanoparticles prepared by laser ablation and their optical characteristics " pptx

Ngày tải lên : 22/03/2014, 11:20

... nanoparticles prepared by laser ablation (a) and by chemical reduction (b) Fig Absorption spectra of silver nanoparticles produced by laser ablation in a 0.003, 0.01 and 0.1M solution of PVA The ... with formation rate of 20% and particle diameter ranges from nm to 12 nm of in case of laser ablation Meanwhile, the average size is 26 nm with formation rate of 8% and the particle diameter ranges ... nm by laser ablation The peak width of silver nanoparticles by laser ablation is narrower than that by chemical reduction This result is in accordance with the measured average size and dispersity...

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phase explosion and its time lag in nanosecond laser ablation

Ngày tải lên : 06/05/2014, 09:01

... valid for pulsed laser ablation Fig Comparison between the Clausius–Clapeyron relation and the measured pressure at 0.9Tc Fig Comparison between the measured ablation depth and the values calculated ... scattering of laser beam from the laser-induced vapor plume, transient location and velocity of the laser-induced vapor front, and ablation depth per laser pulse are measured Ni is used as the target Details ... time lag was estimated to be between and 10 ns [9] Experimental investigation 3.1 Experiments and results A KrF excimer laser with a wavelength of 248 nm and a pulsewidth of 25 ns (FWHM) is used...

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ultra fast laser absorption and ablation

Ngày tải lên : 06/05/2014, 09:02

... polarizer, F: 800-nm band-pass ﬁlter CHOWDHURY et al Ultra-fast laser absorption and ablation dynamics in wide-band-gap dielectrics locate the focal position at the imaging plane and hence also the ... force microscope (AFM) and the data is presented in Fig Each data point is averaged over ﬁve measurements and the error bars represent the standard deviation The larger band gap and corresponding ... the values of the band gaps of the three materials: 12 eV for CaF2 [7] and eV for SiO2 [17] and Al2 O3 [18] As the absorption is by nonlinear photoionization, the value of the band gap will determine...

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Báo cáo hóa học: " Synthesis of Bio-Compatible SPION–based Aqueous Ferroﬂuids and Evaluation of RadioFrequency Power Loss for Magnetic Hyperthermia" docx

Ngày tải lên : 21/06/2014, 07:20

... substrate and the base liquid was allowed to evaporate Magnetic Hysteresis loops of SPIONs were measured at room temperature and at a low temperature of K and are depicted in Fig Field-cooled (FC) and ... electrostatic and steric effects and could easily get conjugated to iron oxide particles Iron oxide is most recommended because of its higher magnetization values, lesser toxicity [19] and the ease ... 500Oe in the range 100–900 kHz Results and Discussion The ﬂuid synthesized exhibited good shelf life and stability against sedimentation under gravitational and magnetic ﬁelds Fluid when an external...

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Báo cáo y học: "Ablation of atrial fibrillation with the Epicor system: a prospective observational trial to evaluate safety and efficacy and predictors of success" pptx

Ngày tải lên : 10/08/2014, 09:22

... Diagnosis and classification of AF were established by standard ECG and holter ECG in all patients prior to admission AF was defined paroxysmal in 29%, persistent in 31% and long standing persistent ... studies and helped to draft the manuscript CD carried out statistical analysis LR performed surgical ablations MH conceived of the study, and participated in its design and coordination and helped ... included mean ± standard deviation and 95% confidence intervals for continuous variables and proportions for categorical variables Between-group differences were assessed with ttests and analysis...

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Báo cáo y học: "Combined ablation of atrial fibrillation and minimally invasive mitral valve surgery: a case report" docx

Ngày tải lên : 10/08/2014, 09:22

... vein isolation (dashed lines) and ablation of the left and right isthmus (solid lines) (SVC = superior vena cava; IVC = inferior vena cava.) Page of atrium was closed and the aortic cross clamp ... invasive partial sternotomy [7] They successfully did ablation using a combination of bipolar radiofrequency and cryothermy We made a lesion set of ablation of atrial fibrillation which was different ... combination of pulmonary vein isolation and ablation of the left and right atrial isthmus using cryothermy It is based on a technique described by Sueda and colleagues [8] They reported mid-term...

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báo cáo khoa học: "Laser ablation-based one-step generation and bio-functionalization of gold nanoparticles conjugated with aptamers" potx

Ngày tải lên : 11/08/2014, 00:22

... reducing and stabilizing agents, and subsequent (ex situ) ligand exchange with aptamers This ligand exchange might require heating and buffering in order to achieve satisfactory yields and surface ... from a linear standard calibration curve (R2 = 0.99) Standard curves were prepared with known concentrations of AuNP produced by weighing a gold target three times before and after ablation Transmission ... synthesis and subsequent ex situ conjugation, AuNPs generated using laser-ablationbased in situ conjugation exhibit up to five times higher surface coverage[22] Hence, bio-conjugation during laser ablation...

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Báo cáo y học: "Radiofrequency-induced thermotherapy of nasopharyngeal angiofibroma and immunohistochemical analysis of vessel proliferation: a case report" docx

Ngày tải lên : 11/08/2014, 21:22

... author of this study and performed the quantitative analysis of the double-stained immunohistological slides MKu, TB and NC are surgeons who treated and observed the patient and provided the angiofibroma ... medical instrument (radiofrequency power, 15 to 20 W and a 5-minute application time) The therapy was performed three times over a 2-month period (1 June 2005, June 2005 and 31 August 2005) The ... detached from the vessel wall and formed sheets resembling angiomyofibroblastoma after H&E staining The second and third biopsies respected the recovery time from RFITT and were not complicated by...

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báo cáo khoa học:" Perioperative and long-term operative outcomes after surgery for trigeminal neuralgia: microvascular decompression vs percutaneous balloon ablation" ppt

Ngày tải lên : 12/08/2014, 01:22

... successful nerve ablation and that destruction of the ganglion, in many cases, may be incomplete with recurrence of symptoms Bradycardia occurred in a majority of the balloon ablation patients and was ... relief and occurrence of complications between MVD and BA It also examines the incidence of intraoperative bradycardia, an indicator of trigeminal stimulation with therapeutic outcomes and attempts ... WSJ conceived the study and helped draft the manuscript WB participated in the design of the study and acquisition of the data KO also was involved with data acquisition and drafting of the manuscript...

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Báo cáo y học: "Comparison of tissue pressure and ablation time between the LeVeen and cool-tip needle methods" doc

Ngày tải lên : 13/08/2014, 13:20

... contributions MN, ME, and HS participated in the experimental design, and performed most of the analyses and writing of the manuscript MK, SM, TY, YM, and KK measured the ablation time and pressure All ... pressure and the total ablation time were made using ANOVA and Scheffe's test ap < 0.05 vs cool-tip; bp < 0.05 vs single-step Table 1: Comparison of clinical backgrounds, ablation time, and RFA-treated ... significant difference in the ablation time between the multi-step and cool-tip ablation methods, although the single-step method had longer ablation times than the other ablation procedures (Figure...

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Cellular and molecular control of skeleton formation in fish insights from osteoblast ablation and functional characterization of lrp5 and SOst

Ngày tải lên : 10/09/2015, 08:43

... Lrp5 and Sost are conserved at the sequence level Fig 11 Early embryonic expression of lrp5 and sost Fig 12 lrp5 and sost expression at 24 and 48 hpf Fig 13 72 hpf and dpf expression of lrp5 and ... support and the help and the wonderful atmosphere we had throughout the years I wish them good luck and hope that they stay how they are I thank Martin for being a great colleague/flatmate/friend and ... Thailand: Oral: Lrp5 and its putative inhibitor Sclerostin are required for development of the zebrafish cranial skeleton AND osx:cfp-ntr transgenic medaka as a model to study osteoblast ablation/ regeneration...

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