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Pulsed shortwave

Binoy Kumaran, Tim Watson
Radiofrequency-based electrophysical agents (EPA) have been used in therapy practice over several decades (e.g., shortwave therapies). Currently, there is insufficient evidence supporting such devices operating below shortwave frequencies. This laboratory-based study investigated the skin physiological effects of 448 kHz capacitive resistive monopolar radiofrequency (CRMRF) and compared them to pulsed shortwave therapy (PSWT). In a randomised crossover study, seventeen healthy volunteers received four treatment conditions - High, Low and Placebo dose conditions receiving 15-min CRMRF treatment and a Control condition receiving no intervention...
2018: Electromagnetic Biology and Medicine
Bionka M Huisstede, Peter Hoogvliet, Thierry P Franke, Manon S Randsdorp, Bart W Koes
OBJECTIVE: To review scientific literature studying the effectiveness of physical therapy and electrophysical modalities for carpal tunnel syndrome (CTS). DATA SOURCES: The Cochrane Library, PubMed, Embase, CINAHL, and Physiotherapy Evidence Database. STUDY SELECTION: Two reviewers independently applied the inclusion criteria to select potential eligible studies. DATA EXTRACTION: Two reviewers independently extracted the data and assessed the methodologic quality using the Cochrane Risk of Bias Tool...
September 20, 2017: Archives of Physical Medicine and Rehabilitation
Rodica Ana Ungur, Adrian Florea, Alexandru Flaviu Tăbăran, Iuliu Călin Scurtu, Ioan Onac, Ileana Monica Borda, László Irsay, Viorela Mihaela Ciortea, Eleonora Dronca, Mihnea Tudor Zdrenghea, ŞoimiŢa Mihaela Suciu
INTRODUCTION: Osteoarthritis (OA) represents a public health challenge since the pathogenic treatment, able to induce cartilage regeneration, still remains unknown. Ageing of the population and increasing OA prevalence have led to a lot of research, aiming to identify treatments acting on chondrocytes that play a determinant role in cartilage degeneration÷regeneration balance. Pulsed shortwave therapy (with the classical application form - Diapulse) is a physiotherapy method with anabolic effects demonstrated on nervous, conjunctive and vascular tissues, but its effects on OA cartilage are not known...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
Eduardo Castro-Martín, Lucía Ortiz-Comino, Tania Gallart-Aragón, Bernabé Esteban-Moreno, Manuel Arroyo-Morales, Noelia Galiano-Castillo
OBJECTIVES: To (1) investigate the immediate effects of myofascial induction (MI), with placebo electrotherapy as a control, on perceived pain, cervical/shoulder range of motion (ROM), and mood state in breast cancer survivors (BCSs) with shoulder/arm morbidity; and (2) examine the relationships between pain modifications and cervical/shoulder ROM on the side affected by breast cancer. DESIGN: Randomized, single-blind, placebo-controlled crossover study. SETTING: Physical therapy laboratory...
May 2017: Archives of Physical Medicine and Rehabilitation
Ian M Rawe, Deepak C Kotak
BACKGROUND: The ActiPatch(®) (BioElectronics Corporation, MD, USA) pulsed shortwave therapy device has been shown to be clinically effective in three double-blind randomized controlled pain studies. However, the effectiveness of this device in a broader population of chronic musculoskeletal pain sufferers, affected by a variety of etiologies in different regions of the body, has not been studied. AIM: The objective of this registry study was to assess the effectiveness and satisfaction of the ActiPatch device in the general population of chronic pain sufferers...
2015: Pain Management
David O Draper
CONTEXT: Regaining full, active range of motion (ROM) after trauma to the elbow is difficult. OBJECTIVE: To report the cases of 6 patients who lacked full ROM in the elbow because of trauma. The treatment regimen was thermal pulsed shortwave diathermy and joint mobilizations. DESIGN: Case series. SETTING: University therapeutic modalities laboratory. PATIENTS OR OTHER PARTICIPANTS: Six patients (5 women [83%], 1 man [17%]) lacked a mean active ROM of 24...
November 2014: Journal of Athletic Training
David O Draper
Context :  Regaining full, active range of motion (ROM) after trauma to the elbow is difficult. Objective :  To report the cases of 6 patients who lacked full ROM in the elbow because of trauma. The treatment regimen was thermal pulsed shortwave diathermy and joint mobilizations. Design :  Case series. Setting :  University therapeutic modalities laboratory. Patients of Other Participants :  Six patients (5 women [83%], 1 man [17%]) lacked a mean active ROM of 24.5 of extension approximately 4.8 years after trauma or surgery...
October 9, 2014: Journal of Athletic Training
Ian M Rawe
Pulsed shortwave diathermy, an electromagnetic therapy, has been in clinical use for acute and chronic musculoskeletal pain for many decades. Innovation, miniaturization and advances in technology have allowed for the development of a new generation of shortwave devices that deliver a localized, low fixed dose of shortwave therapy. Clinical research has shown that these novel shortwave devices can be used safely in order to reduce acute and chronic pain, as well as the need for pain medications. Their ease of use and safety profile make low-dose shortwave devices an attractive alternative, or adjunct therapy, to pharmacological-based pain therapies...
January 2014: Pain Management
Giacomo Faden, Giorgio Faganello, Stefania De Feo, Nicola Berlinghieri, Luigi Tarantini, Andrea Di Lenarda, Pompilio Faggiano, Giovanni Cioffi
AIMS: Type 2 diabetes mellitus (DM) is associated with higher risk of heart failure. Over the last three decades several studies demonstrated the presence of asymptomatic systolic and/or diastolic left ventricular (LV) dysfunction (asymLVD) in patients with normal LV ejection fraction (LVEF). Purpose of our study was to assess the prevalence and factors associated with asymLVD in DM patients by echocardiographic indexes more sensitive than LVEF and transmitral flow detected by pulsed Doppler...
September 2013: Diabetes Research and Clinical Practice
David O Draper, Amanda R Hawkes, A Wayne Johnson, Mike T Diede, Justin H Rigby
CONTEXT: A new continuous diathermy called ReBound recently has been introduced. Its effectiveness as a heating modality is unknown. OBJECTIVE: To compare the effects of the ReBound diathermy with an established deep-heating diathermy, the Megapulse II pulsed shortwave diathermy, on tissue temperature in the human triceps surae muscle. DESIGN: Crossover study. SETTING: University research laboratory. PATIENTS OR OTHER PARTICIPANTS: Participants included 12 healthy, college-aged volunteers (4 men, 8 women; age = 22...
July 2013: Journal of Athletic Training
S Dickmann
Cyclotron spin-flip excitation in a ν=2 quantum Hall system, being separated from the ground state by a slightly smaller gap than the cyclotron energy and from upper magnetoplasma excitation by the Coulomb gap [S. Dickmann and I. V. Kukushkin, Phys. Rev. B 71, 241310(R) (2005); L. V. Kulik, I. V. Kukushkin, S. Dickmann, V. E. Kirpichev, A. B. Van'kov, A. L. Parakhonsky, J. H. Smet, K. von Klitzing, and W. Wegscheider, Phys. Rev. B 72, 073304 (2005)] cannot relax in a purely electronic way except only with the emission of a shortwave acoustic phonon (k~3×10(7)/cm)...
April 19, 2013: Physical Review Letters
Syed Ghulam Sarwar Shah, Alexandra Farrow
We reviewed studies reporting the strength of radiofrequency (RF) electromagnetic fields (EMF) in physiotherapists' occupational environment. Studies from academic journals published from January 1990 to June 2010 were identified in nine online bibliographic databases. EMF strength was compared with occupational exposure limits (OELs) recommended by the International Commission on Non-Ionizing Radiation Protection (ICNIRP). In the reviewed studies, EMFs were measured at different distances (range 0.2 m to 6 m) from the console of diathermy devices, electrodes, and cables...
2013: Journal of Occupational and Environmental Hygiene
Caroline Crotti, Florent Deloison, Fatima Alahyane, Florent Aptel, Laura Kowalczuk, Jean-Marc Legeais, Donald A Peyrot, Michèle Savoldelli, Karsten Plamann
PURPOSE: To evaluate the influence of wavelength on penetration depth and quality of femtosecond laser corneal incisions in view of optimizing procedures in corneal surgery assisted by ultrashort pulse lasers. METHODS: We performed penetrating and lamellar incisions on eye bank corneas using several ultrashort pulse laser sources. Several wavelengths within the near-infrared and shortwave-infrared wavelength range were used and the pulse energy was varied. The corneas were subsequently analyzed using light microscopy as well as transmission and scanning electron microscopy...
May 9, 2013: Investigative Ophthalmology & Visual Science
Chung-Wei Christine Lin, Nicole A J Donkers, Kathryn M Refshauge, Paula R Beckenkamp, Kriti Khera, Anne M Moseley
BACKGROUND: Rehabilitation after ankle fracture can begin soon after the fracture has been treated, either surgically or non-surgically, by the use of different types of immobilisation that allow early commencement of weight-bearing or exercise. Alternatively, rehabilitation, including the use of physical or manual therapies, may start following the period of immobilisation. This is an update of a Cochrane review first published in 2008. OBJECTIVES: To assess the effects of rehabilitation interventions following conservative or surgical treatment of ankle fractures in adults...
November 14, 2012: Cochrane Database of Systematic Reviews
Michael A Powers, Christopher C Davis
We present the concept and experimental results for Spectral LADAR, an augmented LADAR imager combining three-dimensional (3D) time-of-flight ranging with active multispectral sensing in the shortwave infrared (1080-1620 nm). The demonstrated technique is based on a nanosecond regime pulsed supercontinuum transmitter and spectrally multiplexed receiver that computes a high-resolution range value for each of 25 spectral bands. A low frame-rate prototype unit is described. Results demonstrating 3D imaging and material type classification of objects, especially those obscured by camouflage, are shown at effective stand-off ranges exceeding 40 m...
April 1, 2012: Applied Optics
Huase Ou, Naiyun Gao, Yang Deng, Junlian Qiao, Hao Wang
In this study, the immediate and long-term impacts of shortwave ultraviolet (UV-C) irradiation on photosynthetic capacity, survival, and recovery of Microcystis aeruginosa were investigated. The risk of microcystin-LR (MC-LR) release during irradiation was also estimated. The cell density was determined by a flow cytometry, and typical chlorophyll fluorescence parameters, including the effective quantum yield, photosynthetic efficiency and maximal electron transport rate, were measured by a pulse amplitude modulated (PAM) fluorometer...
March 15, 2012: Water Research
Thiago Yukio Fukuda, Ronaldo Alves da Cunha, Vanessa Ovanessian Fukuda, Fabio Albanez Rienzo, Claudio Cazarini, Nilza de Almeida Aparecida Carvalho, Aline Almeida Centini
BACKGROUND: Several forms of conservative treatment have been the focus of many recent studies in knee osteoarthritis (OA). Among these techniques, the application of pulsed shortwave (PSW) treatment has been widely used, but the optimal dose and application time have not been well established. Objective The purposes of this study were: (1) evaluate the effect of PSW treatment in different doses and (2) to compare low-dose and high-dose PSW groups with control and placebo groups. Design This was a randomized clinical trial...
July 2011: Physical Therapy
Lifei Guo, Nicole J Kubat, Richard A Isenberg
A number of electromagnetic field-based technologies are available for therapeutic medical applications. These therapies can be broken down into different categories based on technical parameters employed and type of clinical application. Pulsed radio frequency energy (PRFE) therapy is a non invasive, electromagnetic field-based therapeutic that is based on delivery of pulsed, shortwave radio frequency energy in the 13-27.12 MHz carrier frequency range, and designed for local application to a target tissue without the intended generation of deep heat...
March 2011: Electromagnetic Biology and Medicine
Sarah M Mitchell, Cynthia A Trowbridge, A Louise Fincher, Joel T Cramer
This study examined the effects of pulsed shortwave diathermy on intramuscular temperature, surface electromyography (EMG), and mechanomyography (MMG) of the vastus lateralis. Thirty-five men were assigned to diathermy (n = 13), sham-diathermy (n = 12), or control (n = 10) groups. Each subject performed isometric maximal voluntary contractions (MVCs) and incremental ramp contractions (10%-90% MVC) before and after treatment. Torque, intramuscular temperature, EMG, and MMG were recorded. Temperature for the diathermy group increased (P <or= 0...
August 2008: Muscle & Nerve
M Lewis, M James, E Stokes, J Hill, J Sim, E Hay, K Dziedzic
OBJECTIVES: Cost-effectiveness and cost-utility analyses were conducted to compare advice and exercise plus manual therapy (MT) and advice and exercise plus pulsed shortwave diathermy (PSWD) with advice and exercise alone (A&E) in the treatment of non-specific neck disorders by experienced physiotherapists. METHODS: Between July 2000 and June 2002, 350 participants with neck disorders from 15 physiotherapy departments were randomized to: A&E (n = 115); MT (n = 114) and PSWD (n = 121)...
November 2007: Rheumatology
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