Combined bipolar radiofrequency surgery of the tongue base and uvulopalatopharyngoplasty for obstructive sleep apnea.
Research
RF Safe Research Library
Jan 1, 2013
This study evaluated combined bipolar radiofrequency surgery of the tongue base (RFBT) with uvulopalatopharyngoplasty (UPPP) in a single session for obstructive sleep apnea, compared with UPPP alone. The combined procedure was associated with improvements in AHI, ODI, sleepiness, and snoring, while mean oxygen…
Is there a stable vertebral height restoration with the new radiofrequency kyphoplasty? A clinical and radiological study.
Research
RF Safe Research Library
Jan 1, 2013
This prospective clinical and radiological study evaluated radiofrequency kyphoplasty in 25 patients with 30 fresh osteoporotic vertebral fractures. Pain scores decreased significantly postoperatively and at 3 months, and vertebral height/kyphosis measures improved and remained stable at follow-up. The authors report…
The movement of actin-myosin biomolecular linear motor under AC electric fields: an experimental study.
Research
RF Safe Research Library
Jan 1, 2013
This in vitro experimental study examined how an AC electric field influences actin filament (F-actin) movement on a myosin-coated substrate. The authors report that the field induces electro-orientation torque that aligns movement perpendicular toward electrode edges, with alignment increasing with field strength.…
Long-term efficacy of radiofrequency treatment of turbinate hypertrophy: a patient based point of view.
Research
RF Safe Research Library
Jan 1, 2013
This observational study followed 36 patients for 2 years after temperature-controlled radiofrequency tissue volume reduction for turbinate hypertrophy. Patients reported significantly lower VAS symptom scores (nasal obstruction, headache, rhinorrhoea, anosmia) after treatment compared with baseline. Urban residence…
Radiofrequency upper thoracic sympathectomy in the treatment of critical upper limb ischemia--a case series.
Research
RF Safe Research Library
Jan 1, 2013
This paper reports three cases of upper limb critical ischemia with chronic hand/finger defects treated using radiofrequency upper thoracic sympathectomy (thermolysis). The authors state that standard conservative treatments had failed and surgery was initially not indicated. They report the intervention was…
Pulsed radiofrequency in peripheral posttraumatic neuropathic pain: A double blind sham controlled randomized clinical trial.
Research
RF Safe Research Library
Jan 1, 2012
This double-blind, randomized, sham-controlled trial evaluated pulsed radiofrequency applied to injured peripheral nerves for peripheral posttraumatic neuropathic pain. Among 43 analyzed participants, PRF did not show statistically significant benefit over sham for pain reduction at 3 months, nor for neuropathic pain…
Induction of thrombosis of the abdominal aneurysm sac through the application of radiofrequency. An experimental study.
Research
RF Safe Research Library
Jan 1, 2012
This experimental animal study evaluated whether a radiofrequency method could induce thrombosis within an abdominal aortic aneurysm sac to potentially prevent endoleaks after endovascular repair. Six dogs received radiofrequency blood clotting of the sac and then stent-grafting, compared with a historical group of…
Citrate-capped gold nanoparticle electrophoretic heat production in response to a time-varying radiofrequency electric-field.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study examines RF-induced heat production in citrate-capped gold nanoparticle suspensions while minimizing confounding Joule heating from ionic buffers. It reports size-dependent heating detectable only for ≤10 nm particles, with heating scaling with concentration and surface area and being attenuated…
Use of a hip arthroscopy flexible radiofrequency device for capsular release in frozen shoulder.
Research
RF Safe Research Library
Jan 1, 2012
This article describes a surgical technique for arthroscopic capsular release in adhesive capsulitis using a flexible hip arthroscopy radiofrequency ablator. The authors present it as a creative approach intended to improve safety and precision in a procedure that can be technically challenging. The abstract does not…
Effects of radiofrequency radiation on human ferritin: an in vitro enzymun assay.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study tested whether 900 MHz GSM mobile phone radiation affects ferritin measurements in human serum wells. Exposed wells (30 minutes, speech-mode phone) showed a statistically significant decrease in ferritin compared with unexposed controls. The authors propose RF exposure may influence…
[Recanalization of nasolacrimal duct with radio frequency: preliminary study].
Research
RF Safe Research Library
Jan 1, 2012
This preliminary clinical series evaluated radiofrequency-assisted recanalization of the nasolacrimal duct in adults with confirmed lower lacrimal system obstruction. The procedure used a monopolar high-frequency device at 450 kHz and 150 W under local anesthesia with sedation. At 90 days postoperatively, 81.25% of…
Electromagnetic energy radiated from mobile phone alters electrocardiographic records of patients with ischemic heart disease.
Research
RF Safe Research Library
Jan 1, 2012
This study assessed whether mobile phone radiofrequency exposure during a 40-second ringing period alters ECG parameters in 356 participants across cardiac disease groups, with gender stratification. The authors report QTc prolongation in males across groups, including males with ischemic heart disease, and…
Nanocomposite dielectrics in PbO-BaO-Na2O-Nb2O5-SiO2 system with high breakdown strength for high voltage capacitor applications.
Research
RF Safe Research Library
Jan 1, 2012
This engineering materials study reports fabrication and characterization of nanocomposite dielectrics in a PbO-BaO-Na2O-Nb2O5-SiO2 glass-ceramic system. X-ray diffraction and microstructural observations describe temperature-dependent phase formation with nanometer-sized crystallites dispersed in a glass matrix. The…
Comparison of 2 methods of non-invasive treatment between transcutaneous electrical stimulation and pulsed electromagnetic field stimulation as replacement of invasive manual acupuncture.
Research
RF Safe Research Library
Jan 1, 2012
This study compared two non-invasive acupoint stimulation methods—TEAS and PEMF—as alternatives to manual acupuncture for recovery from exercise-induced muscle fatigue. Using 2 Hz stimulation (PEMF magnetic flux 30.92 mT), the authors report faster recovery of EMG median frequency and improved peak torque recovery in…
Effect of extremely low frequency electromagnetic field exposure on sleep quality in high voltage substations.
Research
RF Safe Research Library
Jan 1, 2012
This case-control study measured electric field intensity and magnetic flux density in high voltage substations and estimated workers' ELF-EMF exposure over a shift. Sleep quality was assessed using the PSQI in 67 exposed workers and 110 controls. The study reports no statistically significant difference in overall…
Low-frequency electromagnetic fields do not alter responses of inflammatory genes and proteins in human monocytes and immune cell lines.
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study examined whether low-frequency electromagnetic fields (a complex multiple waveform field and a 50 Hz sine wave) alter inflammatory gene and protein responses in human immune cells. Across time course experiments in THP-1 cells and primary monocytes/macrophages, the authors report no significant…
Peripheral pulsed electromagnetic fields may reduce the placebo effect in migraine patients that do not respond to the sham intervention in a randomized, placebo-controlled, double-blind, cross-over clinical trial.
Research
RF Safe Research Library
Jan 1, 2012
This randomized, placebo-controlled, double-blind, cross-over trial evaluated a wrist-applied PEMF bracelet in 18 migraine patients and examined possible modulation of placebo effects. In the overall group, both PEMF and placebo were associated with similar reductions in migraine frequency and intensity. The authors…
Effects of radiofrequency radiation exposure on blood-brain barrier permeability in male and female rats
Research
RF Safe Research Library
Jan 1, 2011
This rat study tested whether acute exposure to 0.9 and 1.8 GHz continuous-wave radiofrequency radiation alters blood-brain barrier permeability. Using Evans-blue/albumin as a tracer, the authors report no BBB leakage in exposed female rats but a significant increase in albumin in exposed male rat brains versus sham.…
Radiofrequency waves with filling and peeling substances: An innovative minimally invasive technique for facial rejuvenation.
Research
RF Safe Research Library
Jan 1, 2011
This pivotal clinical trial describes a minimally invasive facial rejuvenation procedure combining fillers, biorevitalization, peeling, and intradermal radiofrequency delivered by the Spherofill Medical Plus device. In 112 patients divided into five groups, GAIS scores showed statistically significant improvement…
Comparison between different thickness umbrella-shaped expandable radiofrequency electrodes (SuperSlim and CoAccess): Experimental and clinical study.
Research
RF Safe Research Library
Jan 1, 2011
This experimental and clinical study compared two umbrella-shaped expandable radiofrequency ablation electrodes (SuperSlim vs CoAccess) across different ablation algorithms. In ex vivo bovine liver, CoAccess generally produced larger ablation areas and required longer ablation times than SuperSlim, with no…
Short-term effects of pulsed radiofrequency on chronic refractory cervical radicular pain.
Research
RF Safe Research Library
Jan 1, 2011
This small clinical study evaluated pulsed radiofrequency applied to the cervical dorsal root ganglion in patients with chronic refractory cervical radicular pain. Pain (VAS) and disability (NDI) improved over 3 months, with most patients reporting ≥50% pain relief and satisfaction at follow-up. No adverse effects…
Experimental study of relationship between biological hazards of low-dose radiofrequency exposure and energy flow density in Spirostomum ambiguum infusoria exposed at a mobile connection frequency (1 GHz).
Research
RF Safe Research Library
Jan 1, 2011
This experimental study exposed Spirostomum ambiguum infusoria to 1 GHz radiofrequency fields at 5 and 50 μW/cm² and reports reduced motor activity. The effect was described as threshold-like, appearing after a certain exposure duration and not increasing with longer exposure. The authors report different 'safe'…
Nanocrystalline graphite films nucleation by the radio frequency bias pretreatment.
Research
RF Safe Research Library
Jan 1, 2011
This paper describes an engineering method for nucleating nanocrystalline carbon films on monocrystalline silicon using a combination of microwave and radio frequency plasma-assisted chemical vapor deposition. The approach is demonstrated via deposition of nanocrystalline diamond after a seeding step and growth of…
Effect of electromagnetic radiofrequency radiation on the rats' brain, liver and kidney cells measured by comet assay.
Research
RF Safe Research Library
Jan 1, 2011
This animal study assessed DNA damage in rat brain, liver, and kidney cells after repeated whole-body exposure to 915 MHz GSM-modulated RF radiation (SAR 0.6 W/kg) using the comet assay. Tail length was slightly increased in brain cells and differed more notably in liver and kidney samples versus sham controls, while…
Efficiency of radiofrequency assisted uvulopalatopharyngoplasty in the treatment of snoring.
Research
RF Safe Research Library
Jan 1, 2011
This pre/post clinical study evaluated radiofrequency-assisted uvulopalatopharyngoplasty for snoring using polysomnography before and after surgery in 22 patients. The abstract reports a statistically significant postoperative reduction in snoring, with most patients showing decreased snoring index. The work concerns…