نتایج جستجو برای: radiofrequency interference
تعداد نتایج: 114522 فیلتر نتایج به سال:
Backgrounds : Tonsil reduction by use of Radiofrequency waves is one of the newest therapeutic modalities, especially for obstructive large tonsils. The aim of this study was comparing short term and long term results of radiofrequency tonsillotomy and traditional cold dissection tonsillectomy in adult patients with recurrent tonsillitis. Methods : a prospective randomized clinical trial on...
introduction: nasal inferior turbinate hypertrophy is one of the most common causes of nasal obstruction. many different surgical methods are currently available. the aim of this study was to review the efficacy and results of radiofrequency turbinatoplasty as a new method in the treatment of the large inferior nasal turbinate. materials and methods: this prospective study was conducted on 50 p...
A 46-year-old man with a history of sustained monomorphic ventricular tachycardia underwent an implantation of a third generation multiprogrammable implantable cardioverter defibrillator. One year post implant, while manipulating a remote control to a radiofrequency modulated toy car, the patient experienced a defibrillator discharge not preceded by an arrhythmia prodrome. Subsequent interrogat...
We investigate the system of a heavy impurity immersed in degenerated Fermi gas, where impurity's internal degree freedom (pseudospin) is manipulated by series radiofrequency (RF) pulses at several different times. Applying functional determinant approach, we carry out an essentially exact calculation Ramsey-interference-type responses to RF pulses. These are universal functions multiple time i...
BACKGROUND Catheter radiofrequency ablation of ventricular arrhythmias (VAs) arising from the left ventricle's papillary muscles has been associated with inconsistent results. The use of cryoenergy versus radiofrequency has not been compared yet. This study compares outcomes and complications of catheter ablation of VA from the papillary muscles of the left ventricle with either cryoenergy or r...
BACKGROUND One of the potential side effects with radiofrequency ablation (RFA) includes painful cutaneous dysesthesias and increased pain due to neuritis or neurogenic inflammation. This pain may require the prescription of opioids or non-opioid analgesics to control post-procedural pain and discomfort. OBJECTIVES The goal of this study is to compare post-procedural pain scores and post-proc...
BACKGROUND The long-term efficacy of radiofrequency ablation of renal autonomic nerves has been proven in nonrandomized studies. However, long-term safety of the renal artery (RA) is of concern. The aim of our study was to determine if cooling during radiofrequency ablation preserved the RA while allowing equivalent nerve damage. METHODS AND RESULTS A total of 9 swine (18 RAs) were included, ...
Microsatellites in Low Earth Orbits (LEO) have been in use for the past two decades. Low Earth Orbit satellites are used for public communication and also for scientific purposes. Thus, it may be expected that such missions will be further developed in the near future especially in fields where similar experiments by purely Earth-based means are impracticable. Ground stations have to be establi...
STUDY DESIGN Retrospective chart review. OBJECTIVES To determine the success rate and duration of relief of repeat radiofrequency neurotomy for lumbar facet joint pain. SUMMARY OF BACKGROUND DATA Radiofrequency neurotomy is an effective but temporary management of lumbar facet pain. When pain recurs, radiofrequency neurotomy is usually repeated, but the outcome and duration of relief for re...
UNLABELLED Telecommunications systems emit radiofrequency, which is an invisible electromagnetic radiation. Mobile phones operate with microwaves (450900 MHz in the analog service, and 1,82,2 GHz in the digital service) very close to the users ear. The skin, inner ear, cochlear nerve and the temporal lobe surface absorb the radiofrequency energy. AIM literature review on the influence of cell...
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