Objective: Pudendal neuralgia is a recognized cause of chronic pelvic pain. The diagnosis is complex, and there is no consensus on ideal management. Many current methods do not provide adequate relief. Pulsed radiofrequency is a minimally invasive option that has been reported for its use in other neuropathies. This study aimed to evaluate the feasibility and safety of using transvaginal pulsed radiofrequency for the treatment of pudendal neuralgia and to generate a hypothesis on its efficacy.
Methods: A retrospective review was conducted of women who were treated with pulsed radiofrequency for chronic pelvic pain owing to pudendal neuralgia between January 2012 and December 2017 at an academic tertiary care centre. (Canadian Task Force Classification II-3).
Results: A total of seven patients were included. The mean age was 43.7 (standard deviation 7.97). The average number of pulsed radiofrequency treatments was 4.43 (range 1-12), and the duration of effect averaged 11.4 weeks (standard deviation 3.09). There were no major or minor complications at the time of procedure or at follow-up visits.
Conclusions: Pulsed radiofrequency may be an effective and safe treatment option for the management of pudendal neuralgia for women in whom conservative management has not been effective. Future controlled studies are needed to confirm this hypothesis.
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http://dx.doi.org/10.1016/j.jogc.2019.01.019 | DOI Listing |
Sensors (Basel)
January 2025
The Blavatnik School of Computer Science and AI, Tel Aviv University, Tel Aviv 69978, Israel.
This article surveys the literature on miniature radio transmitters designed to track free-ranging wild animals using emitter-localization techniques. The articles covers the topics of power sources used in such transmitters, including miniature batteries and energy harvesting, techniques for generating the transmitted radio-frequency carrier, techniques for creating short radio pulses and more general on-off schedules, modulation in modern wildlife-tracking transmitters, construction, manufacturing, and tuning techniques, and recent trends in this area. The article also describes the recreation of the first successful wildlife-tracking transmitter, a nontrivial invention that had a profound impact on wildlife ecology, and explores its behavior.
View Article and Find Full Text PDFJ Clin Med
January 2025
Operative Unit of Vascular Surgery, IRCCS Policlinico San Donato, 20097 San Donato Milanese, Italy.
: Carotid artery stenosis (CAS) is one of the main causes of stroke, and the vulnerability of plaque has been proved to be a determinant. A joint analysis of shear wave elastography, a radiofrequency echo-based wall tracking technique for arterial stiffness evaluation, and of autonomic and baroreflex function is proposed to noninvasively, preoperatively assess plaque vulnerability in asymptomatic CAS patients scheduled for carotid endarterectomy. : Elastographic markers of arterial stiffness were derived preoperatively in 78 CAS patients (age: 74.
View Article and Find Full Text PDFJ Magn Reson
January 2025
Center for Magnetic Resonance Research, University of Minnesota, 2021 6th Street SE, Minneapolis, MN 55455, USA. Electronic address:
In this work the effect of the geometric phase on time evolution of the density matrix was evaluated during nonadiabatic radiofrequency (RF) pulses with Sine amplitude modulation (AM) and Cosine frequency modulation (FM) functions of the RAFF (Relaxations Along a Fictitious Field) family, and the polarization between two energy level ½ spin system coupled by dipolar interaction was evaluated during the application of RF irradiation. The dependencies of the diagonal density matrix elements and the polarization on the rotational correlation times and the time during RF pulses were evaluated. The general treatment of the density matrix elements along with the polarization generated during RF pulses was unavailable thus far, and for the first time was here derived for the nonadiabatic case of the RAFF pulses.
View Article and Find Full Text PDFJ Cardiovasc Electrophysiol
January 2025
Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China.
Background: Pulsed field ablation (PFA) is gaining recognition as a nonthermal, tissue-specific technique for the treatment of atrial fibrillation (AF). The preclinical evaluation of the investigated novel PFA system from Insight Medtech Co. Ltd has demonstrated feasibility, safety, and 30-day efficacy for pulmonary vein isolation (PVI) in the swine model.
View Article and Find Full Text PDFJ Cardiovasc Dev Dis
December 2024
Department of Cardiology, Rush University Medical Center, Chicago, IL 60612, USA.
Pulsed field ablation (PFA) is a catheter-based procedure that utilizes short high voltage and short-duration electrical field pulses to induce tissue injury. The last decade has yielded significant scientific progress and quickened interest in PFA as an energy modality leading to the emergence of the clinical use of PFA technologies for the treatment of atrial fibrillation. It is generally agreed that more research is needed to improve our biophysical understanding of PFA for clinical cardiac applications as well as its potential as a potential alternative energy source to thermal ablation modalities for the treatment of other arrhythmias.
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