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De Oliveira Silva D, Rathleff MS, Petersen K, Azevedo FMD, Barton CJ. Manifestations of Pain Sensitization Across Different Painful Knee Disorders: A Systematic Review Including Meta-analysis and Metaregression. PAIN MEDICINE 2018; 20:335-358. [DOI: 10.1093/pm/pny177] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Danilo De Oliveira Silva
- Laboratory of Biomechanics and Motor Control (LABCOM), Sao Paulo State University (UNESP), Presidente Prudente, Brazil
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, College of Science, Health and Engineering, La Trobe University, Bundoora, Australia
| | - Michael Skovdal Rathleff
- SMI, Faculty of Medicine
- Research Unit for General Practice in Aalborg, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | | | - Fábio Mícolis de Azevedo
- Laboratory of Biomechanics and Motor Control (LABCOM), Sao Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Christian John Barton
- La Trobe Sport and Exercise Medicine Research Centre (LASEM), School of Allied Health, College of Science, Health and Engineering, La Trobe University, Bundoora, Australia
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Management of Conditions Associated With Aging and Older Adults Using Therapeutic Electromagnetic Energy. TOPICS IN GERIATRIC REHABILITATION 2018. [DOI: 10.1097/tgr.0000000000000210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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53
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Gaynor JS, Hagberg S, Gurfein BT. Veterinary applications of pulsed electromagnetic field therapy. Res Vet Sci 2018; 119:1-8. [DOI: 10.1016/j.rvsc.2018.05.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 05/01/2018] [Accepted: 05/06/2018] [Indexed: 11/26/2022]
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Zhu BY, Yang ZD, Chen XR, Zhou J, Gao YH, Xian CJ, Chen KM. Exposure Duration Is a Determinant of the Effect of Sinusoidal Electromagnetic Fields on Peak Bone Mass of Young Rats. Calcif Tissue Int 2018; 103:95-106. [PMID: 29362823 DOI: 10.1007/s00223-018-0396-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/17/2018] [Indexed: 11/26/2022]
Abstract
We proposed a three-step strategy to obtain the optimal therapeutic parameters, which is composed of large-scale screening at cellular level, verification in animal experiments, and confirmation by a clinical trial. The objective of the current study was to test the feasibility of our strategy. Newborn rat calvarial osteoblasts were treated by 50 Hz 1.8 mT sinusoidal electromagnetic fields (SEMFs) with 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 h/days, respectively. The osteogenic differentiation and maturation of the osteoblast were assayed and compared to obtain the optimal duration. One-month-old growing rats were then treated by the same SEMFs with 0.5, 1.5, and 2.5 h/days, respectively, and the peak bone mass was analyzed after 2 months. It was found that the optimal exposure duration to promote the osteogenic differentiation and maturation of osteoblasts was 1.5 h/days, judging by the increasing degrees of ALP activity, calcified nodules formed, the gene and protein expression levels of Runx-2, BMP-2, and Col-I, as well as the expression levels of signaling proteins of the BMP-2/Smad1/5/8 pathway. The highest increase of peak bone mass after 2 months was also obtained by 1.5 h/days, judging by the results of X-ray dual-energy absorptiometry, mechanical property analysis, micro-CT scanning, and serum bone turnover marker examinations. The above results indicated that exposure duration is a determinant for the therapeutic effect of EMFs, and the optimal therapeutic effects only can be obtained by the optimal exposure duration.
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Affiliation(s)
- B Y Zhu
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
- Institute of Orthopaedics, Lanzhou General Hospital of CPLA, Lanzhou, 730050, People's Republic of China
| | - Z D Yang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.
| | - X R Chen
- College of Life Sciences, Northwest A & F University, Yanglin, 712100, People's Republic of China
| | - J Zhou
- Institute of Orthopaedics, Lanzhou General Hospital of CPLA, Lanzhou, 730050, People's Republic of China
| | - Y H Gao
- Institute of Orthopaedics, Lanzhou General Hospital of CPLA, Lanzhou, 730050, People's Republic of China
| | - C J Xian
- Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - K M Chen
- Institute of Orthopaedics, Lanzhou General Hospital of CPLA, Lanzhou, 730050, People's Republic of China.
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Extremely low frequency electromagnetic fields promote mesenchymal stem cell migration by increasing intracellular Ca 2+ and activating the FAK/Rho GTPases signaling pathways in vitro. Stem Cell Res Ther 2018; 9:143. [PMID: 29784011 PMCID: PMC5963142 DOI: 10.1186/s13287-018-0883-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 04/03/2018] [Accepted: 04/20/2018] [Indexed: 12/11/2022] Open
Abstract
Background The ability of mesenchymal stem cells (MSCs) to migrate to the desired tissues or lesions is crucial for stem cell-based regenerative medicine and tissue engineering. Optimal therapeutics for promoting MSC migration are expected to become an effective means for tissue regeneration. Electromagnetic fields (EMF), as a noninvasive therapy, can cause a lot of biological changes in MSCs. However, whether EMF can promote MSC migration has not yet been reported. Methods We evaluated the effects of EMF on cell migration in human bone marrow-derived MSCs. With the use of Helmholtz coils and an EMF stimulator, 7.5, 15, 30, 50, and 70 Hz/1 mT EMF was generated. Additionally, we employed the l-type calcium channel blocker verapamil and the focal adhesion kinase (FAK) inhibitor PF-573228 to investigate the role of intracellular calcium content, cell adhesion proteins, and the Rho GTPase protein family (RhoA, Rac1, and Cdc42) in EMF-mediated MSC migration. Cell adhesion proteins (FAK, talin, and vinculin) were detected by Western blot analysis. The Rho GTPase protein family activities were assessed by G-LISA, and F-actin levels, which reflect actin cytoskeletal organization, were detected using immunofluorescence. Results All the 7.5, 15, 30, 50, and 70 Hz/1 mT EMF promoted MSC migration. EMF increased MSC migration in an intracellular calcium-dependent manner. Notably, EMF-enhanced migration was mediated by FAK activation, which was critical for the formation of focal contacts, as evidenced by increased talin and vinculin expression. Moreover, RhoA, Rac1, and Cdc42 were activated by FAK to increase cytoskeletal organization, thus promoting cell contraction. Conclusions EMF promoted MSC migration by increasing intracellular calcium and activating the FAK/Rho GTPase signaling pathways. This study provides insights into the mechanisms of MSC migration and will enable the rational design of targeted therapies to improve MSC engraftment. Electronic supplementary material The online version of this article (10.1186/s13287-018-0883-4) contains supplementary material, which is available to authorized users.
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Multanen J, Häkkinen A, Heikkinen P, Kautiainen H, Mustalampi S, Ylinen J. Pulsed electromagnetic field therapy in the treatment of pain and other symptoms in fibromyalgia: A randomized controlled study. Bioelectromagnetics 2018; 39:405-413. [PMID: 29709070 DOI: 10.1002/bem.22127] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 03/12/2018] [Indexed: 11/09/2022]
Abstract
Low-energy pulsed electromagnetic field (PEMF) therapy has been suggested as a promising therapy to increase microcirculation, which is of great concern in patients with fibromyalgia. This study evaluated the effectiveness of PEMF therapy on the treatment of fibromyalgia. A group of 108 women with fibromyalgia were allocated to a 12-week treatment period with an active Bio-Electro-Magnetic-Energy-Regulation (BEMER) device and a similar treatment period with an inactive device. Each patient received active and sham treatments in a random order. Pain and stiffness were assessed on a visual analog scale (VAS, scale 0-100 mm), and functional status was assessed by the Fibromyalgia Impact Questionnaire (FIQ). Mean VAS pain scores before the active and sham treatment periods were 66 (SD 22) and 63 (SD 22), respectively. After treatment periods, mean VAS pain scores had decreased significantly in active treatment, -12, 95% CI [-18, -6], and in sham treatment, -11, 95% CI [-17, -5]. Similarly, the decrease in stiffness and FIQ index after both treatments was statistically significant. However, per-protocol analysis showed no differences between active and sham treatments at any of the outcomes. This study demonstrated that low-energy PEMF therapy was not efficient in reducing pain and stiffness or in improving functioning in women with fibromyalgia. Bioelectromagnetics. 39:405-413, 2018. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- Juhani Multanen
- Department of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland
| | - Arja Häkkinen
- Department of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland.,Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Pauli Heikkinen
- Department of Physics, University of Jyväskylä, Jyväskylä, Finland
| | - Hannu Kautiainen
- Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland.,Unit of Primary Health Care, Kuopio University Hospital, Kuopio, Finland
| | - Sirpa Mustalampi
- Department of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland
| | - Jari Ylinen
- Department of Physical Medicine and Rehabilitation, Central Finland Central Hospital, Jyväskylä, Finland
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Guo L, Zhang JP, Zhang KY, Wang HB, Wang H, An GZ, Zhou Y, Meng GL, Ding GR. Effects of 1.8 GHz radiofrequency field on microstructure and bone metabolism of femur in mice. Bioelectromagnetics 2018; 39:386-393. [DOI: 10.1002/bem.22125] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 03/22/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Ling Guo
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Jun-Ping Zhang
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Ke-Ying Zhang
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Huan-Bo Wang
- Brigade of Cadets; Fourth Military Medical University; Xi'an Shaanxi People's Republic of China
| | - Huan Wang
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Guang-Zhou An
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Yan Zhou
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
| | - Guo-Lin Meng
- Institute of Orthopaedics; Xijing Hospital; Fourth Military Medical University; Xi'an Shaanxi People's Republic of China
| | - Gui-Rong Ding
- Faculty of Preventive Medicine, Department of Radiation Biology; Fourth Military Medical University; Xi′an Shaanxi People's Republic of China
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Nagata K, Ishimoto Y, Nakao S, Fujiwara S, Matsuoka T, Kitagawa T, Nakagawa M, Minetama M, Kawakami M. Factors Associated with Neck and Shoulder Pain in Volunteers. Spine Surg Relat Res 2018; 2:177-185. [PMID: 31440666 PMCID: PMC6698530 DOI: 10.22603/ssrr.2017-0079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 12/20/2017] [Indexed: 11/05/2022] Open
Abstract
Introduction The aims of the present study were 1) to examine the association between neck and shoulder pain (NSP) and lifestyle in the general population and 2) to examine if sagittal spino-pelvic malalignment is more prevalent in NSP. Methods A total of 107 volunteers (mean age, 64.5 years) were recruited in this study from listings of resident registrations in Kihoku region, Wakayama, Japan. Feeling pain or stiffness in the neck or shoulders was defined as an NSP. The items studied were: 1) the existence or lack of NSP and their severity (using VAS scale), 2) Short Form-36 (SF-36), 3) Self-Rating Questionnaire for Depression (SRQ-D), 4) Pain Catastrophizing Scale (PCS), 5) a detailed history consisting of 5 domains as being relevant to the psychosocial situation of patients with chronic pain, 6) A VAS of pain and numbness to the arm, and from thoracic region to legs. The radiographic parameters evaluated were also measured. Participants with a VAS score of 40 mm or higher and less were divided into 2 groups. Association of SF-36, SRQ-D, and PCS with NSP were assessed using multiple regression analysis. Results In terms of QoL, psychological assessment and a detailed history, bodily pain in SF-36, SRQ-D, and family stress were significantly associated with NSP. A VAS of pain and numbness to the arm, and from thoracic region to legs, was significantly associated with NSP. There were no statistical correlations between the VAS and radiographic parameters of the cervical spine. Among the whole spine sagittal measurements, multiple logistic regression analysis showed that sacral slope (SS) and sagittal vertical axis (SVA) were significantly associated with NSP. Conclusion In this study, we showed the factors associated with NSP. Large SS and reduced SVA were significantly associated with NSP, while cervical spine measurements were not.
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Affiliation(s)
- Keiji Nagata
- Department of Orthopedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Yuyu Ishimoto
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Shinichi Nakao
- Department of Orthopedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Shoko Fujiwara
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Toshiko Matsuoka
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Tomoko Kitagawa
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Masafumi Nakagawa
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Masakazu Minetama
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
| | - Mamoru Kawakami
- Spine Care Center, Wakayama Medical University Kihoku Hospital, Wakayama, Japan
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Giudice AL, Brewer I, Leonardi R, Roberts N, Bagnato G. Pain threshold and temporomandibular function in systemic sclerosis: comparison with psoriatic arthritis. Clin Rheumatol 2018; 37:1861-1867. [PMID: 29445986 DOI: 10.1007/s10067-018-4028-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 01/26/2018] [Accepted: 02/06/2018] [Indexed: 01/20/2023]
Abstract
The aim of the study was to evaluate whether a reduced pain threshold is associated with increased temporomandibular dysfunction in systemic sclerosis (SSc) compared to psoriatic arthritis (PsA) and healthy controls. Ninety subjects participated in the study (30 SSc, 30 PsA, and 30 healthy controls). The Helkimo index was used to evaluate temporomandibular dysfunction. Digital palpation was performed at the temporomandibular joint (TMJ) surface and at the superficial masseter muscle (SMM) and pain intensity was recorded on a visual analog scale (VAS), while pain pressure threshold (PPT) was measured at the same sites through a pressure algometer. PPT scores were lower in SSc patients compared to PsA patients and controls. In addition, the average Helkimo index score, measuring the degree of TMJ dysfunction, was higher in SSc compared to PsA and controls. A significant inverse correlation was observed between every PPT score, and both Helkimo index and VAS palpation in SSc and PsA. Both the range of motion and all the other pain-related subdomains of the Helkimo index score (pain on movement, pain palpation TMJ and pain palpation muscle) were significantly worse in SSc compared to PsA, while no significant differences were observed in the TMJ function subdomain. In SSc patients, the skin score was directly associated with the range of motion subdomain of the Helkimo index. Our results confirm that TMJ function is impaired in SSc; further longitudinal studies are needed to assess the role of pain threshold in the assessment of limitations in TMJ function and to identify an objective marker of therapeutic response.
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Affiliation(s)
- Antonino Lo Giudice
- Department of Medical-Surgical Specialties, Department of Orthodontics, Policlinico Universitario "Vittorio Emanuele", University of Catania, Via Santa Sofia 78, 95123, Catania, Italy. .,Department of Biomedical and Dental Sciences and Morphofunctional Imaging - Section of Orthodontics, School of Dentistry, Policlinico Universitario "G. Martino", University of Messina, Via Consolare Valeria, 98123, Messina, Italy.
| | - Idona Brewer
- Department of Medicine, Division of Rheumatology, University of Louisville School of Medicine, 401 E. Chestnut St. Suite 690, Louisville, KY, 40202, USA
| | - Rosalia Leonardi
- Department of Medical-Surgical Specialties, Department of Orthodontics, Policlinico Universitario "Vittorio Emanuele", University of Catania, Via Santa Sofia 78, 95123, Catania, Italy
| | - Neal Roberts
- Department of Medicine, Division of Rheumatology, University of Louisville School of Medicine, 401 E. Chestnut St. Suite 690, Louisville, KY, 40202, USA
| | - Gianluca Bagnato
- Division of Rheumatology, Department of Clinical and Experimental Medicine, Policlinico Universitario "G. Martino", University of Messina, Via Consolare Valeria, 98125, Messina, Italy
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Tang X, Alliston T, Coughlin D, Miller S, Zhang N, Waldorff EI, Ryaby JT, Lotz JC. Dynamic imaging demonstrates that pulsed electromagnetic fields (PEMF) suppress IL-6 transcription in bovine nucleus pulposus cells. J Orthop Res 2018; 36:778-787. [PMID: 28851112 PMCID: PMC5873378 DOI: 10.1002/jor.23713] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 08/19/2017] [Indexed: 02/04/2023]
Abstract
Inflammatory cytokines play a dominant role in the pathogenesis of disc degeneration. Pulsed electromagnetic fields (PEMF) are noninvasive biophysical stimulus that has been used extensively in the orthopaedic field for many years. However, the specific cellular responses and mechanisms involved are still unclear. The objective of this study was to assess the time-dependent PEMF effects on pro-inflammatory factor IL-6 expression in disc nucleus pulposus cells using a novel green fluorescence protein (GFP) reporter system. An MS2-tagged GFP reporter system driven by IL-6 promoter was constructed to visualize PEMF treatment effect on IL-6 transcription in single living cells. IL-6-MS2 reporter-labeled cells were treated with IL-1α to mimic the in situ inflammatory environment of degenerative disc while simultaneously exposed to PEMF continuously for 4 h. Time-lapse imaging was recorded using a confocal microscope to track dynamic IL-6 transcription activity that was demonstrated by GFP. Finally, real-time RT-PCR was performed to confirm the imaging data. Live cell imaging demonstrated that pro-inflammatory factor IL-1α significantly promoted IL-6 transcription over time as compared with DMEM basal medium condition. Imaging and PCR data demonstrated that the inductive effect of IL-1α on IL-6 expression could be significantly inhibited by PEMF treatment in a time-dependent manner (early as 2 h of stimulus initiation). Our data suggest that PEMF may have a role in the clinical management of patients with chronic low back pain. Furthermore, this study shows that the MS2-tagged GFP reporter system is a useful tool for visualizing the dynamic events of mechanobiology in musculoskeletal research. © 2017 The Authors. Journal of Orthopaedic Research® Published by Wiley Periodicals, Inc. on behalf of Orthopaedic Research Society. J Orthop Res 35:778-787, 2018.
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Affiliation(s)
- Xinyan Tang
- Department of Orthopaedic SurgeryUniversity of California San FranciscoSan FranciscoCalifornia
| | - Tamara Alliston
- Department of Orthopaedic SurgeryUniversity of California San FranciscoSan FranciscoCalifornia
| | - Dezba Coughlin
- Department of Orthopaedic SurgeryUniversity of California San FranciscoSan FranciscoCalifornia
| | - Stephanie Miller
- Department of Orthopaedic SurgeryUniversity of California San FranciscoSan FranciscoCalifornia
| | | | | | | | - Jeffrey C. Lotz
- Department of Orthopaedic SurgeryUniversity of California San FranciscoSan FranciscoCalifornia
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Szemerszky R, Szabolcs Z, Bogdány T, Jánossy G, Thuróczy G, Köteles F. No effect of a pulsed magnetic field on induced ischemic muscle pain. A double-blind, randomized, placebo-controlled trial. Physiol Behav 2018; 184:55-59. [PMID: 29127072 DOI: 10.1016/j.physbeh.2017.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 10/30/2017] [Accepted: 11/06/2017] [Indexed: 10/18/2022]
Abstract
Empirical evidence supporting the effectiveness of pulsed (electro)magnetic field (PEMF) therapy on chronic and acute pain is equivocal. In the current randomized, double-blind, placebo-controlled experiment, impact of a commercially available whole-body PEMF mat on acute ischemic muscle pain induced in the forearm was studied with the participation of 70 healthy volunteers. The device emitted a pulsed magnetic field with a repetition frequency of 2.05Hz and a maximum flux density of 25.3μT (rms). The highest dB/dt was 48mT/s. No differences between the groups receiving actual and sham PEMF were found in terms of pain threshold, pain tolerance, heart rate, and perceived decrease of pain. However, participants' expectation concerning the effectiveness of the intervention improved pain tolerance and affected perceived change of pain. In conclusion, the used PEMF device had no specific effect on acute ischemic muscle pain, while the contribution of the placebo effect was considerable.
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Affiliation(s)
- Renáta Szemerszky
- Institute of Health Promotion and Sport Sciences, ELTE Eötvös Loránd University, Bogdánfy u. 10/B, Budapest H-1117, Hungary.
| | - Zsuzsanna Szabolcs
- Institute of Health Promotion and Sport Sciences, ELTE Eötvös Loránd University, Bogdánfy u. 10/B, Budapest H-1117, Hungary; Doctoral School of Psychology, Institute of Psychology, ELTE Eötvös Loránd University, Izabella u. 46, H-1064 Budapest, Hungary
| | - Tamás Bogdány
- Institute of Health Promotion and Sport Sciences, ELTE Eötvös Loránd University, Bogdánfy u. 10/B, Budapest H-1117, Hungary
| | - Gábor Jánossy
- National Public Health Institute, Department of Non-Ionizing Radiation, Anna u. 5., H-1221 Budapest, Hungary.
| | - György Thuróczy
- National Public Health Institute, Department of Non-Ionizing Radiation, Anna u. 5., H-1221 Budapest, Hungary.
| | - Ferenc Köteles
- Institute of Health Promotion and Sport Sciences, ELTE Eötvös Loránd University, Bogdánfy u. 10/B, Budapest H-1117, Hungary.
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Cengiz G, Erol K, Gok K, Ozgocmen S. Comparison of Pain Characteristics in Patients with Rheumatoid Arthritis and Systemic Sclerosis with Particular Reference to the Neuropathic Pain Component: Cross-Sectional Study. Med Princ Pract 2018; 27:537-542. [PMID: 30184532 PMCID: PMC6422138 DOI: 10.1159/000493480] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 09/04/2018] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The aim of the study was to compare characteristics of pain in terms of neuropathic pain (NeP) and to assess the association between the neuropathic component and quality of life (QoL) in patients with systemic sclerosis (SSc) and rheumatoid arthritis (RA). SUBJECTS AND METHODS Fifty-four patients (47 females, 7 males) with SSc and 53 patients (46 females, 7 males) with RA were assessed for outcome measures including disease activity, physical functions, mental condition and health-related QoL (HRQoL) measures (Short Form-36; Hospital Anxiety and Depression Scale), and pain. NeP was assessed by the Douleur Neuropathique 4 (DN4) and PainDetect questionnaires in this cross-sectional study. RESULTS The patients had similar education, smoking status, functioning, and HRQoL. However, the patients with RA declared a more severe visual analogue scale of pain and a higher BMI than those with SSc. The NeP component was detected in 42.6% (n = 23) of the SSc patients and in 45.3% (n = 24) of the RA patients (p > 0.05) according to DN4. On PainDetect, possible NeP was detected in 13.0% (n = 7) versus 15.1% (n = 8), whereas 16.7% (n = 9) versus 17.0% (n = 9) were likely to have NeP in SSc and RA, respectively (p > 0.05). Most of the NeP characteristics were similar in SSc and RA, except for numbness and painful cold, which were notably more common in patients with SSc. Having the NeP component (according to DN4) had no influence on functioning and HRQoL in SSc; however, the NeP component revealed a heavier burden of disease regarding functional status, HRQoL, and psychometric components in RA. CONCLUSION The NeP component was similar between patients with SSc and RA. However, NeP was associated with a heavier burden of disease in patients with RA.
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Affiliation(s)
- Gizem Cengiz
- Division of Rheumatology, Department of Physical Medicine and Rehabilitation, ERU Gevher Nesibe Hospital, Kayseri,
| | - Kemal Erol
- Division of Rheumatology, Department of Physical Medicine and Rehabilitation, ERU Gevher Nesibe Hospital, Kayseri, Turkey
| | - Kevser Gok
- Department of Rheumatology, Ankara Numune Training and Research Hospital, Ankara, Turkey
| | - Salih Ozgocmen
- Department of Rheumatology, Istinye University Medical Park Gaziosmanpasa Hospital, Istanbul, Turkey
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Yang X, He H, Gao Q, He C. Pulsed electromagnetic field improves subchondral bone microstructure in knee osteoarthritis rats through a Wnt/β-catenin signaling-associated mechanism. Bioelectromagnetics 2017; 39:89-97. [PMID: 29251361 DOI: 10.1002/bem.22106] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 11/22/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Xiaotian Yang
- Department of Rehabilitation Medicine; West China Hospital; Sichuan University; Chengdu China
- Key Laboratory of Rehabilitation Medicine in Sichuan; Chengdu China
| | - Hongchen He
- Department of Rehabilitation Medicine; West China Hospital; Sichuan University; Chengdu China
- Key Laboratory of Rehabilitation Medicine in Sichuan; Chengdu China
| | - Qiang Gao
- Department of Rehabilitation Medicine; West China Hospital; Sichuan University; Chengdu China
- Key Laboratory of Rehabilitation Medicine in Sichuan; Chengdu China
| | - Chengqi He
- Department of Rehabilitation Medicine; West China Hospital; Sichuan University; Chengdu China
- Key Laboratory of Rehabilitation Medicine in Sichuan; Chengdu China
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Iwasa K, Reddi AH. Pulsed Electromagnetic Fields and Tissue Engineering of the Joints. TISSUE ENGINEERING PART B-REVIEWS 2017; 24:144-154. [PMID: 29020880 DOI: 10.1089/ten.teb.2017.0294] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Bone and joint formation, maintenance, and regeneration are regulated by both chemical and physical signals. Among the physical signals there is an increasing realization of the role of pulsed electromagnetic fields (PEMF) in the treatment of nonunions of bone fractures. The discovery of the piezoelectric properties of bone by Fukada and Yasuda in 1953 in Japan established the foundation of this field. Pioneering research by Bassett and Brighton and their teams resulted in the approval by the Food and Drug Administration (FDA) of the use of PEMF in the treatment of fracture healing. Although PEMF has potential applications in joint regeneration in osteoarthritis (OA), this evolving field is still in its infancy and offers novel opportunities. METHODS We have systematically reviewed the literature on the influence of PEMF in joints, including articular cartilage, tendons, and ligaments, of publications from 2000 to 2016. CONCLUSIONS PEMF stimulated chondrocyte proliferation, differentiation, and extracellular matrix synthesis by release of anabolic morphogens such as bone morphogenetic proteins and anti-inflammatory cytokines by adenosine receptors A2A and A3 in both in vitro and in vivo investigations. It is noteworthy that in clinical translational investigations a beneficial effect was observed on improving function in OA knees. However, additional systematic studies on the mechanisms of action of PEMF on joints and tissues therein, articular cartilage, tendons, and ligaments are required.
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Affiliation(s)
- Kenjiro Iwasa
- Department of Orthopaedic Surgery, Lawrence Ellison Center for Tissue Regeneration and Repair, School of Medicine, University of California , Davis, Davis, California
| | - A Hari Reddi
- Department of Orthopaedic Surgery, Lawrence Ellison Center for Tissue Regeneration and Repair, School of Medicine, University of California , Davis, Davis, California
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Cheng Y, Qu Z, Fu X, Jiang Q, Fei J. Hydroxytyrosol contributes to cell proliferation and inhibits apoptosis in pulsed electromagnetic fields treated human umbilical vein endothelial cells in vitro. Mol Med Rep 2017; 16:8826-8832. [PMID: 28990042 PMCID: PMC5779961 DOI: 10.3892/mmr.2017.7701] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 05/16/2017] [Indexed: 11/05/2022] Open
Abstract
A variety of pulsed electromagnetic fields (PEMFs) have been experimentally and clinically used in an effort to promote wound healing, although the mechanisms involved remain unknown. The aim of the present study was to investigate the action of a novel protocol of co‑treatment with PEMFs and hydroxytyrosol (HTY) on the proliferation and differentiation potential of human umbilical vein endothelial cells (HUVECs). The HUVECs were assigned randomly into three groups: Control, PEMF‑treated and PEMF + HT‑treated. The intensity of the electromagnetic field used in this protocol was 2.25 mT, the frequency of the bursts was 50 Hz and the application time was 15 min. A Cell Counting kit‑8 (CCK‑8) assay was used to assess cell proliferation, and cell apoptosis was analyzed by TUNEL apoptosis assay kit and calcein‑acetoxymethyl/propidium iodide dual‑staining assay. In addition, protein and mRNA expression levels of protein kinase B (Akt), mechanistic target of rapamycin (mTOR), transforming growth factor (TGF)‑β1 and p53 were determined by western blotting and reverse transcription‑quantitative polymerase chain reaction assays, respectively. The CCK‑8 assay demonstrated that HTY contributed to HUVEC proliferation mediated by PEMFs in a time‑dependent manner. The Transwell assay and scratch wound results demonstrated that co‑treatment of HTY and PEMFs could increase HUVEC migration. Furthermore, the levels of apoptotic cells were reversed by pre‑incubation with HTY in the PEMF treatment group, while PEMF treatment alone had no such effect. The proteins and mRNA expression levels of Akt, mTOR, TGF‑β1 were elevated in co‑treatment of HTY and PEMFs, whereas there was no effect on levels of p53. Therefore, the results indicated that combined exposure of HUVECs to PEMFs and HTY exerted protective effects in HUVECs by promoting cell proliferation and inhibiting apoptosis. In conclusion, to the best of our knowledge, the present study was the first to demonstrate the beneficial roles of HTY and PEMF combined treatment in HUVECs, which may represent an effective treatment for wound healing.
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Affiliation(s)
- Yong Cheng
- Department of Bone Surgery, The First Hospital of Harbin City, Harbin, Heilongjiang 150010, P.R. China
| | - Zhiwei Qu
- Department of Bone Surgery, The First Hospital of Harbin City, Harbin, Heilongjiang 150010, P.R. China
| | - Ximeng Fu
- Department of Plastic Surgery, The First Hospital of Harbin City, Harbin, Heilongjiang 150010, P.R. China
| | - Qi Jiang
- Department of Plastic Surgery, The First Hospital of Harbin City, Harbin, Heilongjiang 150010, P.R. China
| | - Jianfeng Fei
- Department of Plastic Surgery, The First Hospital of Harbin City, Harbin, Heilongjiang 150010, P.R. China
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Bender TTA, Marinova M, Radbruch L, Conrad R, Jobst D, Mücke M. [Knee joint pain with signs of arthrosis]. Schmerz 2017; 31:319-333. [PMID: 28293735 DOI: 10.1007/s00482-017-0199-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chronic pain in the knee joint is most commonly caused by osteoarthritis, especially in elderly patients but can be due to other causes, such as rheumatoid arthritis. The diagnostics include an exact patient medical history and a clinical examination, which often already provide clear indications of the cause of the knee pain. Subsequently, further diagnostics can then be considered, such as radiological procedures and laboratory diagnostics. The treatment is determined by the cause and the individual patient and aims to reduce pain and to preserve the mobility of the joint. Generally, therapy consists of pain management and physiotherapy as well as alternative therapeutic procedures, mostly in combination. Proximal tibial opening wedge osteotomy can be useful; however, partial or total knee arthroplasty should only be considered when conservative treatment options have been exhausted.
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Affiliation(s)
- T T A Bender
- Zentrum für seltene Erkrankungen Bonn, Universitätsklinikum Bonn, Bonn, Deutschland
| | - M Marinova
- Radiologische Klinik, Universitätsklinikum Bonn, Bonn, Deutschland
| | - L Radbruch
- Zentrum für Palliativmedizin, Malteser Krankenhaus Seliger Gerhard Bonn/Rhein-Sieg, Bonn, Deutschland.,Institut für Hausarztmedizin, Universitätsklinikum Bonn, Bonn, Deutschland
| | - R Conrad
- Klinik und Poliklinik für Psychosomatische Medizin und Psychotherapie, Universitätsklinikum Bonn, Bonn, Deutschland
| | - D Jobst
- Institut für Hausarztmedizin, Universitätsklinikum Bonn, Bonn, Deutschland
| | - M Mücke
- Zentrum für seltene Erkrankungen Bonn, Universitätsklinikum Bonn, Bonn, Deutschland. .,Institut für Hausarztmedizin, Universitätsklinikum Bonn, Bonn, Deutschland. .,Klinik für Palliativmedizin, Universitätsklinikum Bonn, Sigmund-Freud-Str. 25, 53127, Bonn, Deutschland.
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Zhou J, Liao Y, Xie H, Liao Y, Liu H, Zeng Y, Li N. Pulsed electromagnetic field ameliorates cartilage degeneration by inhibiting mitogen-activated protein kinases in a rat model of osteoarthritis. Phys Ther Sport 2017; 24:32-38. [DOI: 10.1016/j.ptsp.2016.10.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 10/08/2016] [Accepted: 10/26/2016] [Indexed: 12/14/2022]
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Staelin R, Koneru SN, Rawe IM. An over-the-counter central sensitization therapy: a chronic back pain registry study of pain relief, medication use and their adverse effects. Pain Manag 2017; 7:99-111. [DOI: 10.2217/pmt-2016-0046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Aim: Back pain, the most prevalent musculoskeletal chronic pain condition, is usually treated with analgesic medications of questionable efficacy and frequent occurrence of adverse side effects. Objective: The objective was to determine the effectiveness of the ActiPatch medical devices in reducing chronic back pain, document medication related adverse side effects and establish their impact on quality of life. Methods: Upon completing a 7-day trial, subjects were contacted via email with an assessment form using the Constant Contact email program. A total of 1394 responses were collected from subjects who used the device for back pain. Conclusion: Medication adverse effects are common and impact quality of life in the lay population. ActiPatch is an effective intervention for the majority of subjects for treating chronic back pain, although this requires further investigation in randomized clinical trials.
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Affiliation(s)
| | - Sree N Koneru
- BioElectronics Corporation, Frederick, MD, USA
- Clinical Science & Engineering Research Laboratory, Binghamton University, Binghamton, NY, USA
| | - Ian M Rawe
- BioElectronics Corporation, Frederick, MD, USA
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Affiliation(s)
- Gwo-Chin Lee
- 1Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
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Liu C, Zhang Y, Fu T, Liu Y, Wei S, Yang Y, Zhao D, Zhao W, Song M, Tang X, Wu H. Effects of electromagnetic fields on bone loss in hyperthyroidism rat model. Bioelectromagnetics 2016; 38:137-150. [PMID: 27973686 DOI: 10.1002/bem.22022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 10/22/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Chaoxu Liu
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Yingchi Zhang
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Tao Fu
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Yang Liu
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Sheng Wei
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Yong Yang
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Dongming Zhao
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | | | - Mingyu Song
- Department of Gynaecology and Obstetrics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Xiangyu Tang
- Department of Radiology; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
| | - Hua Wu
- Department of Orthopaedics; Tongji Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
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Electromagnetic fields in the treatment of chronic lower back pain in patients with degenerative disc disease. Future Sci OA 2016; 2:FSO105. [PMID: 28031951 PMCID: PMC5138007 DOI: 10.4155/fsoa-2015-0019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 01/25/2016] [Indexed: 12/04/2022] Open
Abstract
Aim: To examine the effects of low-amplitude, low frequency electromagnetic field therapy (EMF) therapy in patients with persistent chronic lower back pain associated with degenerative disc disease. Design: Double-blind, randomized and placebo controlled. Intervention: EMF using a medical device resonator; control group underwent same procedures, except the device was turned off. Outcome measures: Pain reduction and mobility. Results: Improvements in overall physical health, social functioning and reduction in bodily pain were observed in the EMF group. The pain relief rating scale showed a higher level of pain relief at the target area in the EMF group. An increase in left lateral mobility was seen only in the EMF group. Conclusion: EMF treatment may be of benefit to patients with chronic nonresponsive lower back pain associated with degenerative disc disease. Lay abstract: In this preliminary study, we examined the possible value of using a medical device that generates low energy electromagnetic fields for reducing pain and increasing movement in individuals with persistent lower back pain associated with degeneration of the discs of the spine. After five treatment sessions (each lasting 1 h) over a 2-week period, it was found that as compared with those individuals that were not exposed, low energy electromagnetic fields at the pain area may not only improve physical functioning, but also may reduce pain.
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