نتایج جستجو برای: radiofrequency hyperthermia
تعداد نتایج: 27475 فیلتر نتایج به سال:
OBJECTIVE To compare short- and long-term results of radiofrequency tonsillotomy and traditional cold dissection tonsillectomy in adult patients with recurrent tonsillitis. STUDY DESIGN A randomized clinical trial. SETTING A tertiary referral university hospital. SUBJECTS AND METHODS Of 62 adults with recurrent tonsillitis, 24 patients were treated with cold dissection tonsillectomy, whil...
Radiofrequency (rf) hyperthermia was generated on rat glioma inoculated s.c. in CD Fisher rats by applying the rf pulse using the surface coil in the NMR spectrometer, and the effect was monitored successively in the same spectrometer by measuring 31P NMR spectra and 1H NMR images. In the 31P NMR spectrum at the preirradiation stage, nucleoside triphosphate peaks and a phosphomonoester peak wer...
The treatment of intrahepatic or perihepatic neoplasms by hyperthermia may be limited by the thermal sensitivity of normal liver tissue. To establish the temperature dependence of hepatic toxicity, eight canine liver lobes were exposed to a single 30-min dose of localized hyperthermia in the range of 43.0 degrees C-47.5 degrees C, induced by radiofrequency currents. Four additional liver lobes ...
The study was to evaluate the efficacy of the Adp53 combined with hyperthermia on advanced cancer. Fifteen patients with advanced cancer were enrolled in this clinical trial. Thirteen patients with recurrent tumours failed in conventional treatments and the two other patients with primary tumour received no treatment before they were enrolled. Recombinant adenovirus-p53 (Adp53) is a E1 substitu...
The popularity of patch antennas in magnetic resonance imaging (MRI) has reduced because the large size required for antennae to resonate. Since antenna is associated with wavelength and wavelengths that are used MRI substantially large, used. Methods reducing sizes have been proposed; however, these methods reduce penetration depth uniformity. In this study, we area by 30% folding ground plane...
Radiofrequency radiations constitute a new form of environmental pollution. Among them, millimeter waves (MMW) will be widely used in the near future for high speed communication systems. This study aimed therefore to evaluate the biocompatibility of MMW at 60 GHz. For this purpose, we used a whole gene expression approach to assess the effect of acute 60 GHz exposure on primary cultures of hum...
The standard treatment for advanced hepatocellular carcinoma (HCC) is sorafenib, a multikinase inhibitor of tumor cell proliferation and angiogenesis. Hyperthermia inhibits angiogenesis and promotes apoptosis. Potential synergic antiangiogenic and proapoptotic effects represent the rationale for combining sorafenib with electro-hyperthermia (EHY) in HCC. A total of 21 patients (median age, 64 y...
The purpose of this study was to evaluate the activity and toxicity of electro-hyperthermia (ET) on relapsed malignant glioma patients. Twelve patients with histologically diagnosed malignant glioma entered the study. Eight patients had glioblastoma multiforme, two had anaplastic astrocytoma grade III and two had anaplastic oligodendroglioma. All patients were pre-treated with temozolamide-base...
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