Results 131 to 140 of about 959,350 (322)

Comparison of Two Different Pulsed Radiofrequency Modes for Prevention of Postherpetic Neuralgia in Elderly Patients with Acute/Subacute Trigeminal Herpes Zoster

Neuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objective Trigeminal postherpetic neuralgia (PHN) is often refractory to treatment. Pulsed radiofrequency (PRF) neuromodulation can help in preventing PHN after herpes zoster. This study aimed to compare the efficacy and safety of two different PRF modes on gasserian ganglion neuromodulation in elderly patients with acute/subacute trigeminal ...
Cheng‐Fu Wan, Tao Song
wiley   +1 more source

Radiofrequency Ablation of Thyroid Nodules: Basic Principles and Clinical Application

International Journal of Endocrinology, 2012
Radiofrequency (RF) ablation has been gaining popularity as a minimally invasive treatment for benign thyroid nodules regardless of the extent of the solid component.
Ji Hoon Shin, Jung Hwan Baek, Eun Ju Ha, Jeong Hyun Lee   +3 more
doaj   +1 more source

Measurement and modelling of a radiofrequency micro-thruster

, 2016
A capacitively coupled radiofrequency (rf) (13.56MHz) cylindrical argon micro-discharge expanding into a larger glass tube is studied by performing optical and electrical measurements over a pressure range 0.35Torr and a rf power range 540W ...
Charles, Christine, Boswell, Roderick
core   +1 more source

Diffusion MRI‐Based Fetal Thermometry Using Cerebrospinal Fluid: A Translational Feasibility Study

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Noninvasive fetal temperature assessment could improve MRI safety monitoring and provide insight into fetal physiology. Diffusion MRI is a potential approach because water diffusivity in free fluids is temperature dependent. However, the applicability of adult‐derived diffusivity–temperature calibration to neonatal and fetal CSF ...
Nahla M. H. Elsaid, Nickie Andescavage, Kushal Kapse, Dorothy Bulas, Jonathan G. Murnick, Catherine Limperopoulos   +5 more
wiley   +1 more source

RF transport

, 2013
This paper deals with the techniques of transport of high-power radiofrequency (RF) power from a RF power source to the cavities of an accelerator. Since the theory of electromagnetic waves in waveguides and of waveguide components is very well explained
Choroba, Stefan
core   +1 more source

A Standardized Technique for Ultrasound–MRI Fusion Imaging of the Carotid Artery for Vascular Assessment

Journal of Ultrasound in Medicine, EarlyView.
Purpose To describe a reproducible ultrasound–magnetic resonance imaging (MRI) fusion imaging technique developed for quantitative assessment of carotid wall strain and plaque morphology. Methods MRI volumes (Oblique T2 Cube) were imported into the Sequoia ultrasound system equipped with an electromagnetic tracking module.
Maxwell J. Kiernan, Rashid Al Mukaddim, Yurim Lee, Yimeng Dou, Zhiwei Zhang, Carol C. Mitchell, Kevin Johnson, Laura Eisenmenger, Robert J. Dempsey, Matthew H. Lee, Tomy Varghese   +10 more
wiley   +1 more source

Effect of radiofrequency microtenotomy on degeneration of tendons: An experimental study on rabbits

, 2014
Introduction: Radiofrequency microtenotomy is used to enhance healing by increasing vascularity in the degenerated tendon. In the present study, the effect of radiofrequency microtenotomy (Rf-mt) treatment on tendon degeneration was ...
Erdem, Mehmet, Sen, Cengiz, Gunes, Taner, Bostan, Bora, Bilgic, Erkal, Sahin, Seyyid Ahmet, KÖSEOĞLU, REŞİT DOĞAN   +6 more
core   +1 more source

Validation of Modified Albumin‐Bilirubin‐Tumor Stage as a Prognostic Model in Early‐Stage Hepatocellular Carcinoma Treated With Radiofrequency Ablation

The Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Survival after radiofrequency ablation (RFA) for very early‐ or early‐stage hepatocellular carcinoma (HCC) remains heterogeneous because prognosis depends on both tumor burden and hepatic reserve. We retrospectively evaluated treatment‐naive patients with Barcelona Clinic Liver Cancer (BCLC) Stages 0 or A HCC treated with RFA as initial ...
Cheng‐Ying Hsieh, Wen‐Shuo Yeh, Yi‐Hao Yen, Yuan‐Hung Kuo, Ming‐Chao Tsai, Sheng‐Nan Lu, Chao‐Hung Hung, Jing‐Houng Wang, Chien‐Hung Chen, Kwong‐Ming Kee   +9 more
wiley   +1 more source

Comparison of radiation doses of fluoroscopy-guided transforaminal epidural steroid injections and dorsal root ganglia pulsed-radiofrequency applications

Ağrı
Objectives: The study aims to determine procedure times and estimate the radiation doses for fluoroscopy-guided transforaminal epidural steroid injection (TFESI) and dorsal root ganglion pulsed radiofrequency (DRG RF) per intervention.
Günay Er, Rekib Saçaklıdır, Fırat Ulutatar, Tülay Şahin   +3 more
doaj   +1 more source

Real‐Time Observation of Soliton Buildup and Self‐Organization in a GHz Harmonic Mode Locked Fiber Laser

Laser &Photonics Reviews, EarlyView.
This image is an experimental recording of the buildup of harmonic mode‐locking in a fiber laser. The horizontal dimension corresponds to one cavity round trip, where the laser field intensity is displayed in a color scale. The vertical dimension is the evolution time in logarithmic scale, spanning from microseconds to seconds.
Qianqian Huang, Aurélien Coillet, Lilong Dai, Zinan Huang, Haochen Tian, Chengbo Mou, Philippe Grelu   +6 more
wiley   +1 more source