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Buonanno P, Iacovazzo C, Marra A, de Siena AU, Josu T, Zampi M, Sedda D, Servillo G, Vargas M. Potential Role of Focal Microvibration (Equistasi ®) in the Management of Chronic Pain: A Pilot Study. Pain Ther 2024; 13:185-198. [PMID: 38057548 PMCID: PMC10796875 DOI: 10.1007/s40122-023-00562-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/07/2023] [Indexed: 12/08/2023] Open
Abstract
INTRODUCTION Chronic pain is one of the leading causes of medical consultation with a dramatic psychophysical and socioeconomic impact. Focal microvibration (Equistasi®) is a revolutionary technology that converts the thermal energy of the skin into vibration. Equistasi® was shown to be effective in the treatment of gait and balance dysfunction in many pathological conditions such as Parkinson's disease and multiple sclerosis. Our aim was to explore the efficacy of focal microvibration in the management of chronic pain. METHODS We randomized 60 patients with pain of different origin into two groups: an experimental group (group E) treated with Equistasi, and a control group (group C) treated with standard pharmacological therapy. Pain, disability, and working capacity were evaluated by Brief Pain Inventory (BPI), Oswestry Disability Index (ODI), and Work Ability Index (WAI) at the baseline and after 7 (T7), 15 (T15), 30 (T30), 60 (T60), and 90 (T90) days. RESULTS According to BPI, average and worst pain in the last 24 h significantly decreased in group E at T15 and this result persisted up to T90; pain interference on general activity, mood, waling ability, normal work, relations with other people, sleep, and enjoyment of life decreased in group E with a significant improvement from T15. Lifting activity and work ability in relation to demands also significantly improved in group E. No significant changes in BPI, ODI, and WAI scores were recorded in group C during the follow-up. CONCLUSIONS Focal microvibration can be an effective tool for managing chronic pain in combination with other therapies.
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Affiliation(s)
- Pasquale Buonanno
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy.
| | - Carmine Iacovazzo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Annachiara Marra
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Andrea Uriel de Siena
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Tatiana Josu
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Maddalena Zampi
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Davide Sedda
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Giuseppe Servillo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
| | - Maria Vargas
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", Via Sergio Pansini, 5, 80131, Naples, Italy
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Doi A, Oda K, Matsumoto M, Sakoguchi H, Honda M, Ogata Y, Nakano A, Taniguchi M, Fukushima S, Imayoshi K, Nagao K, Toyoda M, Kameyama H, Sonohata M, Shin MC. Whole body vibration accelerates the functional recovery of motor nerve components in sciatic nerve-crush injury model rats. J Exerc Rehabil 2023; 19:149-162. [PMID: 37435594 PMCID: PMC10331141 DOI: 10.12965/jer.2346178.089] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 04/30/2023] [Indexed: 07/13/2023] Open
Abstract
This study aimed to investigate the effect of whole body vibration (WBV) on the sensory and motor nerve components with sciatic nerve injury model rats. Surgery was performed on 21 female Wister rats (6-8 weeks) under intraperitoneal anesthesia. The nerve-crush injuries for the left sciatic nerve were inflicted using a Sugita aneurysm clip. The sciatic nerve model rats were randomly divided into two groups (n=9; control group, n=12; WBV group). The rats in the WBV group walked in the cage with a vibratory stimulus (frequency 50 Hz, 20 min/day, 5 times/wk), while those in the control group walked in the cage without any vibratory stimulus. We used heat stimulation-induced sensory threshold and lumbar magnetic stimulation-induced motor-evoked potentials (MEPs) to measure the sensory and motor nerve components, respectively. Further, morphological measurements, bilateral hind-limb dimension, bilateral gastrocnemius dimension, and weight were evaluated. Consequently, there were no significant differences in the sensory threshold at the injury side between the control and WBV groups. However, at 4 and 6 weeks postoperatively, MEPs latencies in the WBV group were significantly shorter than those in the control group. Furthermore, both sides of the hind-limb dimension at 6 weeks postoperatively, the left side of the gastrocnemius dimension, and both sides of the gastrocnemius weight significantly increased. In conclusion, WBV especially accelerates the functional recovery of motor nerve components in sciatic nerve-crush injury model rats.
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Affiliation(s)
- Atsushi Doi
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
- Division of Health Sciences, Graduate School of Health Sciences, Kumamoto Health Science University, Kumamoto,
Japan
| | - Kyoka Oda
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Masaki Matsumoto
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Honoka Sakoguchi
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Mizuki Honda
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Yuma Ogata
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Asuka Nakano
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Misato Taniguchi
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Shunya Fukushima
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Kyogo Imayoshi
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Kanta Nagao
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Masami Toyoda
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Hiroki Kameyama
- Department of Medical Technology, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
| | - Motoki Sonohata
- Department of Orthopaedic Surgery, Saga Central Hospital, Saga,
Japan
| | - Min-Chul Shin
- Department of Rehabilitation, Faculty of Health, Kumamoto Health Science University, Kumamoto,
Japan
- Division of Health Sciences, Graduate School of Health Sciences, Kumamoto Health Science University, Kumamoto,
Japan
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Sonohata M, Doi A, Uchihashi K, Hashimoto A, Kii S, Inoue T, Mawatari M. Short-Term Collagen Nerve Wrapping Facilitates Motor and Sensory Recovery from Nerve Degeneration in a Sciatic Nerve Injury Rat Model. J Pain Res 2023; 16:1683-1695. [PMID: 37234570 PMCID: PMC10208243 DOI: 10.2147/jpr.s401126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Purpose This study used a sciatic nerve injury rat model to investigate the short-term effects of a polyglycolic acid (PGA)-collagen tube for nerve injury in continuity. Materials and Methods Sixteen female Wistar rats (6-8 weeks) were used, and the left sciatic nerve was crushed with a Sugita aneurysm clip. Sciatic nerve model rats were randomly categorized into two groups (n = 8; control group, n = 8; nerve wrapping group). Then, we measured four sensory thresholds, magnetically stimulated the lumbar region to induce motor-evoked potentials (MEPs), and evaluated the sciatic nerve histopathologically. Results In the sensory thresholds, there were significant differences for the main effect in 250 and 2000 Hz stimulation (p = 0.048 and 0.006, respectively). Further, a significant difference was observed with 2000 Hz stimulation at 1 week (p = 0.003). In the heat stimulation, there were significant differences for the main effect in both weeks and groups (p = 0.0002 and 0.0185, respectively). The post-hoc test showed a significant difference between groups only in 2W (p = 0.0283). Three weeks after the surgery, both 2nd and 3rd MEPs waves-related latencies in the nerve wrapping group were significantly shorter than those in the control group (p = 0.0207 and 0.0271, respectively). Histological evaluation of the sciatic nerve revealed considerable differences in the number of axons between the two groups (p = 0.0352). Conclusion The short-term PGA-collagen tube nerve wrapping facilitated motor and sensory recovery from nerve degeneration in the sciatic nerve injury rat model.
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Affiliation(s)
- Motoki Sonohata
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
- Department of Orthopaedic Surgery, Saga Central Hospital, Saga, Japan
| | - Atsushi Doi
- Department of Rehabilitation, Kumamoto Health Science University, Kumamoto, Japan
| | - Kazuyoshi Uchihashi
- Department of Surgical Pathology, National Hospital Organization Saga Hospital, Saga, Japan
| | - Akira Hashimoto
- Department of Orthopaedic Surgery, Saga Central Hospital, Saga, Japan
| | - Sakumo Kii
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Takao Inoue
- Organization of Research Initiatives, Yamaguchi University, Yamaguchi, Japan
| | - Masaaki Mawatari
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
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Casale R, Hansson P. The analgesic effect of localized vibration: a systematic review. Part 1: the neurophysiological basis. Eur J Phys Rehabil Med 2022; 58:306-315. [PMID: 35102735 PMCID: PMC9980599 DOI: 10.23736/s1973-9087.22.07415-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION The analgesic action of localized vibration (LV), which is used in rehabilitation medicine to treat various clinical conditions, is usually attributed to spinal gate control, but is actually more complex. The aim of this review is: 1) to provide neurophysiological insights into the mechanisms underlying the ways in which afferent activity set up by LV induces analgesia through interactions with the nociceptive system throughout the nervous system; 2) to give a broader vision of the different effects induced by LV, some of them still related to basic science speculation. EVIDENCE ACQUISITION The Medline, EMBASE, AMED, Cochrane Library, CINAHL, Web of Science and ROAD databases were searched for animal and human neurophysiological and neurohormonal studies related to the direct effects of LV on nociceptive transmission and pain perception and were supplemented by published books and theses. EVIDENCE SYNTHESIS The spinal gate control mechanism through Aβ-fibers activation seems to be the most effective antinociceptive system activated by LV at frequencies between 100 and 250 Hz (high-frequency LV [HF-LV]) when applied in the same segment as the pain. A gating effect can be obtained also when it is applied contralaterally to the painful site or to adjacent dermatomes. Kinesthetic illusions of movement induced by HF-LV may induce a stronger analgesic effect. Activation of C-mechanoreceptors induced by a massage-like LV of low frequency and low intensity may interfere with pain through the activation of the limbic system. This action does not involve any gating mechanism. Frequency is more important than intensity as different frequencies induce activity in different cortical and cerebellar areas; these activations may be related to plastic cortical changes tentatively reversing pain-related maladaptive disorganization. Distraction/shift of attention or cortisol-mediated stress-induced analgesia are not involved in LV analgesic action in humans for both LF and HF. The release of opioidergic neuropeptides (analgesia not reversed by naloxone) as well as a reduction in substance P in the CSF does not seem to play a major role in the HF-LV action. Decrease in calcitonin and TRPV1 expression in the trigeminal ganglia in animals has been induced by HF-LV but the role of LF-LV is not completely deciphered. Both high and low LV induce the release of oxytocin, which may induce antinociceptive responses in animals and contribute to controlling pain in humans. CONCLUSIONS Although many aspects of LV-induced pain alleviation deserve more in-depth basic and translational studies, there are sound neurophysiological reasons for using LV in the therapeutic armamentarium of pain control. Laboratory animal and human data indicate that LV relieves pain not only by acting on the spinal gate, but also at higher levels of the nervous system.
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Affiliation(s)
| | - Per Hansson
- Department of Pain Management and Research, Norwegian National Advisory Unit on Neuropathic Pain, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway.,Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
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Benito-Martínez E, Senovilla-Herguedas D, de la Torre-Montero JC, Martínez-Beltrán MJ, Reguera-García MM, Alonso-Cortés B. Local and Contralateral Effects after the Application of Neuromuscular Electrostimulation in Lower Limbs. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17239028. [PMID: 33287409 PMCID: PMC7730668 DOI: 10.3390/ijerph17239028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/25/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022]
Abstract
Neuromuscular electrostimulation (NMES) has been used mainly as a method to promote muscle strength, but its effects on improving blood flow are less well known. The aim of this study is to deepen the knowledge about the local and contralateral effects of the application of symmetric biphasic square currents on skin temperature (Tsk). An experimental pilot study was developed with a single study group consisting of 45 healthy subjects. Thermographic evaluations were recorded following the application of NMES to the anterior region of the thigh. The results showed an increase in the maximal Tsk of 0.67% in the anterior region of the thigh where the NMES was applied (p < 0.001) and an increase of 0.54% (p < 0.01) due to cross-education effects, which was higher when the NMES was applied on the dominant side (0.79%; p < 0.01). The duration of the effect was 20 min in the dominant leg and 10 min in the nondominant one. The application of a symmetrical biphasic current (8 Hz and 400 μs) creates an increase in the maximal Tsk at the local level. A temperature cross-education effect is produced, which is greater when the NMES is applied on the dominant side. This could be a useful noninvasive measurement tool in NMES treatments.
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Affiliation(s)
- Elisa Benito-Martínez
- San Juan de Dios School of Nursing and Physical Therapy, Comillas Pontifical University, 28350 Madrid, Spain; (E.B.-M.); (D.S.-H.); (J.C.d.l.T.-M.); (M.J.M.-B.)
| | - Diego Senovilla-Herguedas
- San Juan de Dios School of Nursing and Physical Therapy, Comillas Pontifical University, 28350 Madrid, Spain; (E.B.-M.); (D.S.-H.); (J.C.d.l.T.-M.); (M.J.M.-B.)
| | - Julio César de la Torre-Montero
- San Juan de Dios School of Nursing and Physical Therapy, Comillas Pontifical University, 28350 Madrid, Spain; (E.B.-M.); (D.S.-H.); (J.C.d.l.T.-M.); (M.J.M.-B.)
| | - María Jesús Martínez-Beltrán
- San Juan de Dios School of Nursing and Physical Therapy, Comillas Pontifical University, 28350 Madrid, Spain; (E.B.-M.); (D.S.-H.); (J.C.d.l.T.-M.); (M.J.M.-B.)
| | - María Mercedes Reguera-García
- SALBIS Research Group, Faculty of Health Sciences, Campus of Ponferrada, University of León, 24401 Ponferrada, Spain;
| | - Beatriz Alonso-Cortés
- SALBIS Research Group, Faculty of Health Sciences, Campus of Ponferrada, University of León, 24401 Ponferrada, Spain;
- Correspondence:
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Nakata T, Doi A, Uta D, Shin MC, Yoshimura M. Free gait in a shallow pool accelerates recovery after exercise in model mice with fibromyalgia. J Exerc Rehabil 2020; 16:398-409. [PMID: 33178641 PMCID: PMC7609855 DOI: 10.12965/jer.2040672.336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 09/20/2020] [Indexed: 11/30/2022] Open
Abstract
This study aimed to determine the effect of pool gait exercise using fibromyalgia-induced model mice. The sensory threshold, locomotive behavior, electrocardiogram, and onset time after the gait test in shallow water using male C57BL/6J mice (weight, 30–35 g; n=21) were investigated. To induce fibromyalgia in model mice, reserpine was injected intraperitoneally into wild-type mice once a day for 3 days. Subsequently, the fibromyalgia-induced model mice were randomly classified into two groups as follows: the control group (n=11) and the pool gait group (n=10). The mice in the pool gait group walked in the same cage containing shallow warm water 5 times per week. Both groups underwent sensory thresholds and video recordings to determine locomotive behaviors weekly. Further, both heart rate and video recordings for observation of a recovery after the gait test in shallow water were undertaken (control group; n=5, pool gait group; n=5). The pool gait did not affect sensory thresholds and locomotive behavior; however, in the pool gait group, both the recovery after the test, such as onset time and gait distance, were considerably better than those of the control group. Furthermore, changes in heart rate and heart rate irregularity after the test were more apparent in the control group than in the pool gait group. The free gait in a shallow pool accelerated recovery after exercise, unlike the sensory threshold.
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Affiliation(s)
- Taiki Nakata
- Department of Rehabilitation, Kumamoto-Saiseikai Hospital, Kumamoto, Japan.,Graduate School of Health Science, Kumamoto Health Science University, Kumamoto, Japan
| | - Atsushi Doi
- Graduate School of Health Science, Kumamoto Health Science University, Kumamoto, Japan.,Department of Rehabilitation, Kumamoto Health Science University, Kumamoto, Japan
| | - Daisuke Uta
- Department of Applied Pharmacology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Min-Chul Shin
- Graduate School of Health Science, Kumamoto Health Science University, Kumamoto, Japan.,Department of Rehabilitation, Kumamoto Health Science University, Kumamoto, Japan
| | - Megumu Yoshimura
- Department of Orthopedic Surgery, Nakamura Hospital, Fukuoka, Japan
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