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Asadauskas A, Stieger A, Luedi MM, Andereggen L. Advancements in Modern Treatment Approaches for Central Post-Stroke Pain: A Narrative Review. J Clin Med 2024; 13:5377. [PMID: 39336863 PMCID: PMC11432561 DOI: 10.3390/jcm13185377] [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: 07/10/2024] [Revised: 08/31/2024] [Accepted: 09/06/2024] [Indexed: 09/30/2024] Open
Abstract
PURPOSE OF REVIEW Central post-stroke pain (CPSP) poses a multifaceted challenge in medical practice, necessitating a thorough and multidisciplinary approach for its diagnosis and treatment. This review examines current methods for addressing CPSP, highlighting both pharmacological and non-pharmacological therapies. It covers the mechanisms and clinical effectiveness of these treatments in managing CPSP and emphasizes the importance of personalized treatment plans, given the varied causes of CPSP. RECENT FINDINGS Recent advancements have illuminated diverse treatment modalities for CPSP. Pharmacotherapy spans from conventional analgesics to anticonvulsants and antidepressants, tailored to mitigate the neuropathic characteristics of CPSP. Non-pharmacological interventions, including physical therapy and psychological strategies, are pivotal in managing CPSP's chronic nature. For cases resistant to standard treatments, advanced interventions such as nerve blocks and surgical procedures like deep brain stimulation (DBS) or motor cortex stimulation (MCS) are considered. Additionally, innovative technologies such as neuromodulation techniques and personalized medicine are emerging as promising avenues to enhance therapeutic outcomes and improve quality of life for individuals grappling with CPSP. SUMMARY Modern approaches in managing CPSP require an interdisciplinary and patient-centric approach. Customizing treatment plans to address the specific etiology and symptoms of CPSP is crucial. Pharmacotherapy remains fundamental, encompassing medications such as anticonvulsants and antidepressants tailored to manage neuropathic pain. Integrating non-pharmacological interventions is crucial for providing comprehensive care. Additionally, investigating innovative technologies and personalized medicine presents promising opportunities to enhance treatment results and elevate the quality of life for those suffering from CPSP. Ultimately, an integrated approach that acknowledges the multifaceted nature of CPSP is essential for effective management and patient well-being.
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Affiliation(s)
- Auste Asadauskas
- Department of Neurosurgery, Cantonal Hospital of Aarau, 5001 Aarau, Switzerland
- Faculty of Medicine, University of Bern, 3012 Bern, Switzerland
| | - Andrea Stieger
- Department of Anaesthesiology, Rescue- and Pain Medicine, Cantonal Hospital of St. Gallen, 9007 St. Gallen, Switzerland
| | - Markus M. Luedi
- Department of Anaesthesiology, Rescue- and Pain Medicine, Cantonal Hospital of St. Gallen, 9007 St. Gallen, Switzerland
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland
| | - Lukas Andereggen
- Department of Neurosurgery, Cantonal Hospital of Aarau, 5001 Aarau, Switzerland
- Faculty of Medicine, University of Bern, 3012 Bern, Switzerland
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Hodkinson DJ, Drabek MM, Jung J, Lankappa ST, Auer DP. Theta Burst Stimulation of the Human Motor Cortex Modulates Secondary Hyperalgesia to Punctate Mechanical Stimuli. Neuromodulation 2024; 27:812-823. [PMID: 37952136 DOI: 10.1016/j.neurom.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/19/2023] [Accepted: 10/03/2023] [Indexed: 11/14/2023]
Abstract
OBJECTIVES Many chronic pain conditions show evidence of dysregulated synaptic plasticity, including the development and maintenance of central sensitization. This provides a strong rationale for neuromodulation therapies for the relief of chronic pain. However, variability in responses and low fidelity across studies remain an issue for both clinical trials and pain management, demonstrating insufficient mechanistic understanding of effective treatment protocols. MATERIALS AND METHODS In a randomized counterbalanced crossover designed study, we evaluated two forms of patterned repetitive transcranial magnetic stimulation, known as continuous theta burst stimulation (TBS) and intermittent TBS, during normal and central sensitization states. Secondary hyperalgesia (a form of use-dependent central sensitization) was induced using a well-established injury-free pain model and assessed by standardized quantitative sensory testing involving light touch and pinprick pain thresholds in addition to stimulus-response functions. RESULTS We found that continuous TBS of the human motor cortex has a facilitatory (pronociceptive) effect on the magnitude of perceived pain to secondary hyperalgesia, which may rely on induction and expression of neural plasticity through heterosynaptic long-term potentiation-like mechanisms. CONCLUSIONS By defining the underlying mechanisms of TBS-driven synaptic plasticity in the nociceptive system, we offer new insight into disease mechanisms and provide targets for promoting functional recovery and repair in chronic pain. For clinical applications, this knowledge is critical for development of more efficacious and mechanisms-based neuromodulation protocols, which are urgently needed to address the chronic pain and opioid epidemics.
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Affiliation(s)
- Duncan J Hodkinson
- Division of Mental Health and Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK; Sir Peter Mansfield Imaging Center, School of Medicine, University of Nottingham, Nottingham, UK; National Institute for Health Research, Nottingham Biomedical Research Center, Queens Medical Center, Nottingham, UK.
| | - Marianne M Drabek
- Division of Mental Health and Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK; Sir Peter Mansfield Imaging Center, School of Medicine, University of Nottingham, Nottingham, UK; National Institute for Health Research, Nottingham Biomedical Research Center, Queens Medical Center, Nottingham, UK
| | - JeYoung Jung
- School of Psychology, University of Nottingham, Nottingham, UK
| | - Sudheer T Lankappa
- Nottinghamshire Healthcare National Health Service Foundation Trust, Nottingham, UK
| | - Dorothee P Auer
- Division of Mental Health and Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, UK; Sir Peter Mansfield Imaging Center, School of Medicine, University of Nottingham, Nottingham, UK; National Institute for Health Research, Nottingham Biomedical Research Center, Queens Medical Center, Nottingham, UK
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Liu Y, Miao R, Zou H, Hu Q, Yin S, Zhu F. Repetitive transcranial magnetic stimulation in central post-stroke pain: a meta-analysis and systematic review of randomized controlled trials. Front Neurosci 2024; 18:1367649. [PMID: 38933817 PMCID: PMC11199869 DOI: 10.3389/fnins.2024.1367649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Background The rehabilitation of central post-stroke pain (CPSP) is a complex clinical challenge, and repetitive transcranial magnetic stimulation (rTMS) has been widely applied in the research of neurofunctional recovery following stroke. However, there is currently no reliable evidence-based medicine supporting the efficacy of rTMS in central post-stroke pain. This review aims to evaluate the effects of rTMS on central post-stroke pain. Methods Following the PRISMA guidelines, we conducted searches on PubMed, Cochrane Library, Embase, Web of Science, CNKI, and Wan Fang Data Knowledge Service Platform. We searched for randomized controlled trials (RCTs) investigating the use of rTMS in treating central post-stroke pain, and conducted screening based on inclusion and exclusion criteria. Characteristics of the included RCTs were extracted. The heterogeneity of the trials was assessed using the I2 statistic. Meta-analysis was performed using Stata 17 software. Bias risk and methodological quality were evaluated using the Cochrane RoB 2 tool and the Pedro scale. Results A total of six randomized controlled trials involving 288 patients met our inclusion criteria. In our analysis, rTMS was more effective in treating patients with CPSP compared to the placebo group (SMD=-1.15, 95% CI: -1.69, -0.61, P < 0.001). Furthermore, results from subgroup analysis indicated no statistically significant difference in the improvement of pain for durations exceeding 6 months when comparing rTMS to conventional treatment (SMD=-0.80, 95% CI: -1.63, 0.03, P = 0.059). Conclusion TMS can alleviate pain in CPSP patients and improve their motor function, but its effects on depression, anxiety, and MEP-latency are not significant. Systematic review registration https://www.crd.york.ac.uk/prospero/, CRD42024497530.
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Affiliation(s)
- Ying Liu
- Department of Acupuncture and Rehabilitation, Traditional Chinese Medicine Hospital of Renshou County, Meishan, China
| | - Runqing Miao
- Department of Preventive Treatment, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hui Zou
- Department of Acupuncture and Rehabilitation, Traditional Chinese Medicine Hospital of Renshou County, Meishan, China
| | - Qian Hu
- Department of Hematology, Meishan City People's Hospital, Meishan, China
| | - Shao Yin
- School of Clinical Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fengya Zhu
- Traditional Chinese Medicine Department, Zigong First People's Hospital, Zigong, China
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da Silva MDV, Martelossi-Cebinelli G, Yaekashi KM, Carvalho TT, Borghi SM, Casagrande R, Verri WA. A Narrative Review of the Dorsal Root Ganglia and Spinal Cord Mechanisms of Action of Neuromodulation Therapies in Neuropathic Pain. Brain Sci 2024; 14:589. [PMID: 38928589 PMCID: PMC11202229 DOI: 10.3390/brainsci14060589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Neuropathic pain arises from injuries to the nervous system in diseases such as diabetes, infections, toxicity, and traumas. The underlying mechanism of neuropathic pain involves peripheral and central pathological modifications. Peripheral mechanisms entail nerve damage, leading to neuronal hypersensitivity and ectopic action potentials. Central sensitization involves a neuropathological process with increased responsiveness of the nociceptive neurons in the central nervous system (CNS) to their normal or subthreshold input due to persistent stimuli, leading to sustained electrical discharge, synaptic plasticity, and aberrant processing in the CNS. Current treatments, both pharmacological and non-pharmacological, aim to alleviate symptoms but often face challenges due to the complexity of neuropathic pain. Neuromodulation is emerging as an important therapeutic approach for the treatment of neuropathic pain in patients unresponsive to common therapies, by promoting the normalization of neuronal and/or glial activity and by targeting cerebral cortical regions, spinal cord, dorsal root ganglia, and nerve endings. Having a better understanding of the efficacy, adverse events and applicability of neuromodulation through pre-clinical studies is of great importance. Unveiling the mechanisms and characteristics of neuromodulation to manage neuropathic pain is essential to understand how to use it. In the present article, we review the current understanding supporting dorsal root ganglia and spinal cord neuromodulation as a therapeutic approach for neuropathic pain.
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Affiliation(s)
- Matheus Deroco Veloso da Silva
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Immunology, Parasitology and General Pathology, Londrina State University, Londrina 86057-970, PR, Brazil; (M.D.V.d.S.); (G.M.-C.); (K.M.Y.); (S.M.B.)
| | - Geovana Martelossi-Cebinelli
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Immunology, Parasitology and General Pathology, Londrina State University, Londrina 86057-970, PR, Brazil; (M.D.V.d.S.); (G.M.-C.); (K.M.Y.); (S.M.B.)
| | - Kelly Megumi Yaekashi
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Immunology, Parasitology and General Pathology, Londrina State University, Londrina 86057-970, PR, Brazil; (M.D.V.d.S.); (G.M.-C.); (K.M.Y.); (S.M.B.)
| | - Thacyana T. Carvalho
- Department of Pediatrics, Division of Infectious Diseases and Immunology, Guerin Children’s at Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA;
| | - Sergio M. Borghi
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Immunology, Parasitology and General Pathology, Londrina State University, Londrina 86057-970, PR, Brazil; (M.D.V.d.S.); (G.M.-C.); (K.M.Y.); (S.M.B.)
- Center for Research in Health Sciences, University of Northern Paraná, Londrina 86041-140, PR, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Center of Health Science, Londrina State University, Londrina 86038-440, PR, Brazil;
| | - Waldiceu A. Verri
- Laboratory of Pain, Inflammation, Neuropathy and Cancer, Department of Immunology, Parasitology and General Pathology, Londrina State University, Londrina 86057-970, PR, Brazil; (M.D.V.d.S.); (G.M.-C.); (K.M.Y.); (S.M.B.)
- Biological Sciences Center, State University of Londrina, Rod. Celso Garcia Cid Pr 445, KM 380, P.O. Box 10.011, Londrina 86057-970, PR, Brazil
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Menezes JR, Nunes GA, Carra RB, da Silva Simões J, Solla DJF, Oliveira JR, Teixeira MJ, Marcolin MA, Barbosa ER, Tanaka C, de Andrade DC, Cury RG. Trans-Spinal Theta Burst Magnetic Stimulation in Parkinson's Disease and Gait Disorders. Mov Disord 2024; 39:1048-1053. [PMID: 38477413 DOI: 10.1002/mds.29776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Gait disorders in patients with Parkinson's disease (PD) can become disabling with disease progression without effective treatment. OBJECTIVES To investigate the efficacy of intermittent θ burst trans-spinal magnetic stimulation (TsMS) in PD patients with gait and balance disorders. METHODS This was a randomized, parallel, double-blind, controlled trial. Active or sham TsMS was applied at third thoracic vertebra with 100% of the trans-spinal motor threshold, during 5 consecutive days. Participants were evaluated at baseline, immediately after last session, 1 and 4 weeks after last session. Primary outcome was Total Timed Up and Go (TUG) values comparing active versus sham phases 1 week after intervention. The secondary outcome measurements consisted of motor, gait and balance scales, and questionnaires for quality of life and cognition. RESULTS Thirty-three patients were included, average age 68.5 (6.4) years in active group and 70.3 (6.3) years in sham group. In active group, Total TUG mean baseline was 107.18 (95% CI, 52.1-116.1), and 1 week after stimulation was 93.0 (95% CI, 50.7-135.3); sham group, Total TUG mean baseline was 101.2 (95% CI, 47.1-155.3) and 1 week after stimulation 75.2 (95% CI 34.0-116.4), P = 0.54. Similarly, intervention had no significant effects on secondary outcome measurements. During stimulation period, five patients presented with mild side effects (three in active group and two in sham group). DISCUSSION TsMS did not significantly improve gait or balance analysis in patients with PD and gait disorders. The protocol was safe and well tolerated. © 2024 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Janaína Reis Menezes
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Glaucia Aline Nunes
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Rafael Bernhart Carra
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Juliana da Silva Simões
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Davi Jorge Fontoura Solla
- Functional Neurosurgery Division, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Jussan Rodrigues Oliveira
- Department of Phytotherapy, Speech Therapy and Occupational Therapy, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Manoel Jacobsen Teixeira
- Functional Neurosurgery Division, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Marco Antônio Marcolin
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Egberto Reis Barbosa
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Clarice Tanaka
- Department of Phytotherapy, Speech Therapy and Occupational Therapy, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Daniel Ciampi de Andrade
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Rubens Gisbert Cury
- Movement Disorders Center, Department of Neurology, School of Medicine, University of São Paulo, São Paulo, Brazil
- Hospital Israelita Albert Einstein, São Paulo, Brazil
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Zhang X, Yan X, Huang Y, Zhou H. Short-term cervical spinal cord stimulation for central post-stroke pain: a case report and literature review. Ann Med Surg (Lond) 2024; 86:3184-3188. [PMID: 38694358 PMCID: PMC11060234 DOI: 10.1097/ms9.0000000000002025] [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: 02/15/2024] [Accepted: 03/23/2024] [Indexed: 05/04/2024] Open
Abstract
Introduction Post-stroke central pain is disabling yet ineffectively treated with routine medical intervention. In this study, the authors presented an alternative neuromodulation therapy and conducted a brief narrative literature review to examine current evidence of spinal cord stimulation treatment for central post-stroke pain. Case presentation Here, the authors reported a case of severe post-stroke syndrome, who achieved satisfactory improvement of pain symptom, as well as muscle rigidity with a novel neuromodulation therapy of short-term implantation of cervical spinal cord stimulation. Clinical discussion It remains a great challenge in the management of post-stroke pain, which in turn significantly reduces the quality of life and worsens the burden on the public health system. Spinal cord stimulation therapy is an emerging neuromodulation approach to restore pathological pain status and functional impairment to provide a prospective insight into neuromodulation and rehabilitation options in the management of post-stroke syndrome. Conclusion A potential role of spinal cord stimulation in the treatment of post-stroke pain is proposed in combined with traditional medication or other neuromodulation strategies, to achieve better control of pain in the future.
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Affiliation(s)
- Xu Zhang
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine
| | - Xuebin Yan
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine
| | - Yuzhao Huang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haocheng Zhou
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine
- Hunan Key Laboratory of Brain Homeostasis
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Lima Pessôa B, Hauwanga WN, Thomas A, Valentim G, McBenedict B. A Comprehensive Narrative Review of Neuropathic Pain: From Pathophysiology to Surgical Treatment. Cureus 2024; 16:e58025. [PMID: 38738050 PMCID: PMC11087935 DOI: 10.7759/cureus.58025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 04/10/2024] [Indexed: 05/14/2024] Open
Abstract
Neuropathic pain is a challenging condition. Despite the immense progress made in the pathophysiology and treatment of such conditions, so much work still has to be done. New frontiers previously unexplored are now objects of study with exciting results, mainly regarding neuromodulation and optogenetics. This review explores the already known pathophysiology and the clinical and surgical treatment in the light of evidence-based medicine. Additionally, new concepts and insights are discussed, presenting the hope for the development of new paradigms in the treatment of neuropathic pain.
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Affiliation(s)
| | - Wilhelmina N Hauwanga
- Family Medicine, Faculty of Medicine, Federal University of the State of Rio de Janeiro, Rio de Janeiro, BRA
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Chen SH, Lin YW, Tseng WL, Lin WT, Lin SC, Hsueh YY. Ultrahigh frequency transcutaneous electrical nerve stimulation for neuropathic pain alleviation and neuromodulation. Neurotherapeutics 2024; 21:e00336. [PMID: 38368171 PMCID: PMC10943071 DOI: 10.1016/j.neurot.2024.e00336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/04/2024] [Accepted: 02/06/2024] [Indexed: 02/19/2024] Open
Abstract
A challenging complication in patients with peripheral compressive neuropathy is neuropathic pain. Excessive neuroinflammation at the injury site worsens neuropathic pain and impairs function. Currently, non-invasive modulation techniques like transcutaneous electrical nerve stimulation (TENS) have shown therapeutic promise with positive results. However, the underlying regulatory molecular mechanism for pain relief remains complex and unexplored. This study aimed to validate the therapeutic effect of ultrahigh frequency (UHF)-TENS in chronic constriction injury of the rat sciatic nerve. Alleviation of mechanical allodynia was achieved through the application of UHF-TENS, lasting for 3 days after one session of therapy and 4 days after two sessions, without causing additional damage to the myelinated axon structure. The entire tissue collection schedule was divided into four time points: nerve exposure surgery, 7 days after nerve ligation, and 1 and 5 days after one session of UHF therapy. Significant reductions in pain-related neuropeptides, MEK, c-Myc, c-FOS, COX2, and substance P, were observed in the injured DRG neurons after UHF therapy. RNA sequencing of differential gene expression in sensory neurons revealed significant downregulation in Cables, Pik3r1, Vps4b, Tlr7, and Ezh2 after UHF therapy, while upregulation was observed in Nfkbie and Cln3. UHF-TENS effectively and safely relieved neuropathic pain without causing further nerve damage. The decreased production of pain-related neuropeptides within the DRG provided the therapeutic benefit. Possible molecular mechanisms behind UHF-TENS may result from the modulation of the NF-κB complex, toll-like receptor-7, and phosphoinositide 3-kinase/Akt signaling pathways. These results suggest the neuromodulatory effects of UHF-TENS in rat sciatic nerve chronic constriction injury, including alleviation of neuropathic pain, amelioration of pain-related neuropeptides, and regulation of neuroinflammatory gene expression. In combination with the regulation of related neuroinflammatory genes, UHF-TENS could become a new modality for enhancing the treatment of neuropathic pain in the future.
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Affiliation(s)
- Szu-Han Chen
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Center of Cell Therapy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yu-Wen Lin
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wan-Ling Tseng
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Division of Plastic and Reconstructive Surgery, Department of Surgery, Tainan Hospital, Ministry of Health and Welfare, Tainan 700, Taiwan
| | - Wei-Tso Lin
- Gimer Medical Co., Ltd, New Taipei City, Taiwan
| | - Sheng-Che Lin
- Division of Plastic Surgery, Department of Surgery, An-Nan Hospital, China Medical University, Tainan, Taiwan
| | - Yuan-Yu Hsueh
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Center of Cell Therapy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan; Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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Mensah-Brown KG, Naylor RM, Graepel S, Brinjikji W. Neuromodulation: What the neurointerventionalist needs to know. Interv Neuroradiol 2024:15910199231224554. [PMID: 38454831 DOI: 10.1177/15910199231224554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024] Open
Abstract
Neuromodulation is the alteration of neural activity in the central, peripheral, or autonomic nervous systems. Consequently, this term lends itself to a variety of organ systems including but not limited to the cardiac, nervous, and even gastrointestinal systems. In this review, we provide a primer on neuromodulation, examining the various technological systems employed and neurological disorders targeted with this technology. Ultimately, we undergo a historical analysis of the field's development, pivotal discoveries and inventions gearing this review to neuro-adjacent subspecialties with a specific focus on neurointerventionalists.
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Affiliation(s)
| | - Ryan M Naylor
- Department of Neurosurgery, Mayo Clinic, Rochester, MN, USA
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10
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Soltani A, Ghavipisheh M, Ardakani RM, Ahrari I, Salehi S, Farrokhi MR. Evaluation of the Effect of Repetitive Transcranial Magnetic Stimulation of Motor Cortex on Failed Back Surgery Syndrome Pain Control in the Short Term. J Neurol Surg A Cent Eur Neurosurg 2024; 85:164-170. [PMID: 36528020 DOI: 10.1055/a-2000-6349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND This study aimed to evaluate the short-term efficacy of repetitive transcranial magnetic stimulation (rTMS) on the treatment of failed back surgery syndrome (FBSS). METHODS In this prospective clinical trial study, 13 patients with FBSS were selected to undergo rTMS, including 5 sessions of stimulation of the primary motor cortex of 90 trains with a frequency of 10 Hz for 2 seconds and an intertrain interval of 20 seconds with a total pulse rate of 1800 per session. The time of each session was 30 minutes with an intensity of 80% of the motor threshold. The severity of pain before and after the intervention was measured by the short-form McGill Pain Questionnaire and visual analog scale (VAS). RESULTS The mean of pain severity was 26.54 ± 6.78 and 14.92 ± 10.1 before and after rTMS, respectively. The severity of pain was significantly decreased after the intervention (p = 0.001). According to the McGill Pain Questionnaire, the severity of pain in the patients was decreased by 44.09 ± 27.32. The mean of the severity of pain according to VAS was 77.31 ± 16.66 before rTMS and 53.46 ± 22.49 after rTMS, which showed that pain intensity was significantly decreased after the intervention (p = 0.006). CONCLUSIONS The use of rTMS of the primary motor cortex in patients who have undergone lumbosacral spine surgery and suffer from pain related to FBSS is associated with a significant reduction in the severity of pain. Because rTMS is a noninvasive treatment method, it can be used as a suitable treatment in these patients.
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Affiliation(s)
- Ahmad Soltani
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahsa Ghavipisheh
- Department of Psychiatry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ramin Manouchehri Ardakani
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Iman Ahrari
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sina Salehi
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Majid Reza Farrokhi
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
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Mehsein Z, Kobaïter-Maarrawi S, Samaha H, El Shami M, Albeaini S, Maarrawi J. Right posterior insular epidural stimulation in rats with neuropathic pain induces a frequency-dependent and opioid system-mediated reduction of pain and its comorbid anxiety and depression. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110845. [PMID: 37619765 DOI: 10.1016/j.pnpbp.2023.110845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/29/2023] [Accepted: 08/19/2023] [Indexed: 08/26/2023]
Abstract
Neuropathic pain (NP) is a sensory, emotional, and persistent disturbing experience caused by a lesion or disease of the somatosensory system which can lead when chronic to comorbidities such as anxiety and depression. Available treatments (pharmacotherapy, neurostimulation) have partial and unpredictable response; therefore, it seems necessary to find a new therapeutical approach that could alleviate most related symptoms and improve patients 'emotional state'. Posterior Insula seems to be a potential target of neurostimulation for pain relief. However, its effects on pain-related anxiety and depression remain unknown. Using rats with spared nerve injury (SNI), this study aims to elucidate the correlation between NP and anxio-depressive disorders, evaluate potential analgesic, anxiolytic, and antidepressant effects of right posterior insula stimulation (IS) using low (LF-IS, 50 Hz) or high (HF-IS, 150 Hz) frequency and assess endogenous opioid involvement in these effects. Results showed positive correlation between NP, anxiety, and depression. LF-IS reversed anhedonia and despair-like behavior through pain alleviation, whereas HF-IS only reduced anhedonia, all effects involving endogenous opioids. These findings support the link between NP and anxio-depressive disorders. Moreover, IS appears to have analgesic, anxiolytic and antidepressant effects mediated by the endogenous opioid system, making it a promising target for neurostimulation.
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Affiliation(s)
- Zeinab Mehsein
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Sandra Kobaïter-Maarrawi
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon.
| | - Hady Samaha
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Mohamad El Shami
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Sylvana Albeaini
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Joseph Maarrawi
- Laboratory of Research in Neuroscience (LAREN), Pôle Technologie Santé (PTS), Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon; Department of Neurosurgery - Hôtel-Dieu de France Hospital, Beirut, Lebanon
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12
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Pérez-Borrego YA, Soto-León V, Brocalero-Camacho Á, Oliviero A, Carrasco-López C. A Retrospective Study on tDCS Treatment in Patients with Drug-Resistant Chronic Pain. Biomedicines 2024; 12:115. [PMID: 38255220 PMCID: PMC10813345 DOI: 10.3390/biomedicines12010115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/31/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Background. Transcranial direct current stimulation (tDCS) of the primary motor cortex (M1) has an analgesic effect superior to a placebo in chronic pain. Some years ago, tDCS was implemented at the Hospital Nacional of Paraplegics (Toledo, Spain) to treat patients with pharmacological resistance to chronic pain. Objective. The main objectives of this study with tDCS were (1) to confirm the safety of one-year treatment; (2) to estimate the number of patients after one year in treatment; (3) to describe the effects of tDCS on the pain intensity during one-year treatment; and (4) to identify factors related to treatment success. Methods. This was a retrospective study conducted at the National Hospital for Paraplegics with 155 patients with pharmacologically resistant chronic pain. Anodal tDCS was applied over the M1 for 20 min at 1.5 mA for 10 treatment sessions from Monday to Friday (Induction phase), followed by 2-3 sessions per month (Maintenance phase). Pain intensity was assessed using a Visual Analogue Scale (VAS). Results. Anodal tDCS on M1 confirmed the reduction in the pain intensity. Moreover, 58% of outpatients completed one year of treatment. Only the VAS values obtained during the baseline influenced the response to treatment. Patients with a very high VAS at the baseline were more likely to not respond adequately to tDCS treatment. Conclusions. Anodal tDCS over M1 is an adequate therapy (safe and efficient) to treat drug-resistant chronic pain. Moreover, pain intensity at the start of treatment could be a predictor of patients' continuity with tDCS for at least one year.
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Affiliation(s)
- Yolanda A. Pérez-Borrego
- FENNSI Group, Hospital Nacional de Parapléjicos, SESCAM, 45071 Toledo, Spain; (V.S.-L.); (Á.B.-C.); (A.O.)
| | - Vanesa Soto-León
- FENNSI Group, Hospital Nacional de Parapléjicos, SESCAM, 45071 Toledo, Spain; (V.S.-L.); (Á.B.-C.); (A.O.)
| | - Ángela Brocalero-Camacho
- FENNSI Group, Hospital Nacional de Parapléjicos, SESCAM, 45071 Toledo, Spain; (V.S.-L.); (Á.B.-C.); (A.O.)
- Unidad de Neurología, Hospital de Parapléjicos, SESCAM, 45071 Toledo, Spain
| | - Antonio Oliviero
- FENNSI Group, Hospital Nacional de Parapléjicos, SESCAM, 45071 Toledo, Spain; (V.S.-L.); (Á.B.-C.); (A.O.)
- Unidad de Neurología, Hospital de Parapléjicos, SESCAM, 45071 Toledo, Spain
- Hospital Los Madroños, 28690 Brunete, Spain
| | - Carmen Carrasco-López
- Internet of Things and People, University of Malmö, 211 19 Malmö, Sweden
- Department of Anatomy, University of Seville, 41009 Seville, Spain
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Komboz F, Mehsein Z, Kobaïter-Maarrawi S, Chehade HD, Maarrawi J. Epidural Posterior Insular Stimulation Alleviates Neuropathic Pain Manifestations in Rats With Spared Nerve Injury Through Endogenous Opioid System. Neuromodulation 2023; 26:1602-1611. [PMID: 35219569 DOI: 10.1016/j.neurom.2022.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/05/2022] [Accepted: 01/09/2022] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Neuropathic pain (NP) is defined as constant disabling pain secondary to a lesion or disease of the somatosensory nervous system. This condition is particularly difficult to treat because it often remains resistant to most treatment strategies. Despite the recent diversification of neurostimulation methods, some patients still suffer from refractory pain syndromes. The central role of the posterior insular cortex (PI) in the modulation of pain signaling and perception has been repeatedly suggested. The objective of this study is to assess whether epidural insular stimulation (IS) could reverse NP behavior. MATERIALS AND METHODS A total of 53 adult Sprague-Dawley rats received left-sided spared nerve injury (SNI) or Sham-SNI to induce NP symptoms. Afterward, epidural electrodes were implanted over the right PI. After two weeks of postoperative recovery, three groups of SNI-operated rats each received a different stimulation modality: Sham-IS, low-frequency-IS (LF-IS), or high-frequency-IS (HF-IS). Behavioral and functional tests were conducted before and after IS. They comprised the acetone test, pinprick test, von Frey test, and sciatic functional index. An additional LF-IS group received a dose of opioid antagonist naloxone before IS. Intergroup means were compared through independent-samples t-tests, and pre- and post-IS means in the same group were compared through paired t-tests. RESULTS We found a significant reduction of cold allodynia (p = 0.019), mechanical hyperalgesia (p = 0.040), and functional disability (p = 0.005) after LF-IS but not HF-IS. Mechanical allodynia only showed a tendency to decrease after LF-IS. The observed analgesic effects were reversed by opioid antagonist administration. CONCLUSION These results suggest a significant reversal of NP symptoms after LF-IS and offer additional evidence that IS might be beneficial in the treatment of resistant NP syndromes through endogenous opioid secretion. Relying on our novel epidural IS model, further fine tuning of stimulation parameters might be necessary to achieve optimal therapeutic effects.
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Affiliation(s)
- Fares Komboz
- Laboratory of Research in Neuroscience, Pôle Technologie Santé, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Zeinab Mehsein
- Laboratory of Research in Neuroscience, Pôle Technologie Santé, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Sandra Kobaïter-Maarrawi
- Laboratory of Research in Neuroscience, Pôle Technologie Santé, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon.
| | - Hiba-Douja Chehade
- Laboratory of Research in Neuroscience, Pôle Technologie Santé, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
| | - Joseph Maarrawi
- Laboratory of Research in Neuroscience, Pôle Technologie Santé, Faculty of Medicine, Saint Joseph University of Beirut, Beirut, Lebanon; Department of Neurosurgery, Hôtel-Dieu de France Hospital, Beirut, Lebanon
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14
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Labib A, Burke O, Nichols A, Maderal AD. Approach to diagnosis, evaluation, and treatment of generalized and nonlocal dysesthesia: A review. J Am Acad Dermatol 2023; 89:1192-1200. [PMID: 37517675 DOI: 10.1016/j.jaad.2023.06.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 06/25/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023]
Abstract
Dysesthesia is an abnormal sensation in the skin that occurs in the absence of any extraordinary stimulus or other primary cutaneous disorders, excluding any delusions or tactile hallucinations. Clinicians have characterized dysesthesias to include sensations such as burning, tingling, pruritus, allodynia, hyperesthesia, or anesthesia. The etiology and pathogenesis of various generalized dysesthesias is largely unknown, though many dysesthesias have been associated with systemic pathologies including malignancy, infection, autoimmune disorders, and neuropathies. Dermatologists are often the first-line clinicians for patients presenting with such cutaneous findings, thus it is crucial for these physicians to be able to methodically work-up generalized dysesthesias to build a working differential diagnosis, follow up with key labs and/or imaging, and offer patients evidence-based treatment to relieve their symptoms. This broad literature review is an attempt to centralize key studies, cases, and series to help guide dermatologists in their assessment and evaluation of complaints of abnormal cutaneous sensations.
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Affiliation(s)
- Angelina Labib
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Olivia Burke
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Anna Nichols
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Andrea D Maderal
- Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida.
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15
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Santyr B, Abbass M, Chalil A, Vivekanandan A, Tindale M, Boulis NM, Lau JC. Surgical Interventions Targeting the Nucleus Caudalis for Craniofacial Pain: A Systematic and Historical Review. Neuromodulation 2023; 26:1480-1492. [PMID: 36192281 DOI: 10.1016/j.neurom.2022.08.454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/22/2022] [Accepted: 08/22/2022] [Indexed: 06/16/2023]
Abstract
INTRODUCTION Craniofacial pain is a prevalent group of conditions, and when refractory to conventional treatments, it poses a significant burden. The last decade has seen a renewed interest in the multimodal management of pain. Interventions targeting the nucleus caudalis (NC) of the trigeminocervical complex have been available as a treatment option since the 1930s, yet evidence for efficacy remains limited. MATERIALS AND METHODS We present a systematic review of the literature providing a historical perspective on interventions targeting the NC leading up to the present. We examine the various intervention techniques, clinical indications, and procedural efficacy. A novel outcome-reporting scheme was devised to enable comparison among studies owing to historically variable reporting methods. RESULTS A review of the literature revealed 33 retrospective studies published over the last 80 years, reporting on 827 patients. The most common technique was the open NC dorsal root entry zone nucleotomy/tractotomy; however, there has been an emergence of novel approaches such as endoscopic and spinal cord stimulation in the last ten years. Regardless of intervention technique or preoperative diagnosis, 87% of patients showed improvement with treatment. CONCLUSIONS The literature surrounding NC intervention techniques is reviewed. Recent advancements and the wide range of craniofacial pain syndromes for which these interventions show potential efficacy are discussed. New and less invasive techniques continue to emerge as putative therapeutic options. However, prospective studies are lacking. Furthermore, the evidence supporting even well-established techniques remains of poor quality. Future work should be prospective, use standard outcome reporting, and address efficacy comparisons between intervention type and preoperative diagnosis.
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Affiliation(s)
- Brendan Santyr
- Division of Neurosurgery, Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada
| | - Mohamad Abbass
- Division of Neurosurgery, Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada
| | - Alan Chalil
- Division of Neurosurgery, Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada
| | - Amirti Vivekanandan
- Division of Neurosurgery, Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada
| | - Margaret Tindale
- Division of Emergency Medicine, Western University, London, Ontario, Canada
| | | | - Jonathan C Lau
- Division of Neurosurgery, Department of Clinical Neurological Sciences, Western University, London, Ontario, Canada.
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Shaheen N, Shaheen A, Elgendy A, Bezchlibnyk YB, Zesiewicz T, Dalm B, Jain J, Green AL, Aziz TZ, Flouty O. Deep brain stimulation for chronic pain: a systematic review and meta-analysis. Front Hum Neurosci 2023; 17:1297894. [PMID: 38098761 PMCID: PMC10719838 DOI: 10.3389/fnhum.2023.1297894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 10/30/2023] [Indexed: 12/17/2023] Open
Abstract
Background Deep brain stimulation (DBS) has shown promise in effectively treating chronic pain. This study aimed to assess the efficacy of DBS in this context. Methods We conducted a systematic literature search using PubMed, Scopus, and Web of Science, following the PRISMA guidelines. A well-constructed search strategy was utilized. Our literature search identified two groups of subjects: one group underwent DBS specifically for chronic pain treatment (DBS-P), while the second group received DBS for other indications (DBS-O), such as Parkinson's disease or dystonia, with pain perception investigated as a secondary outcome in this population. Meta-analysis was performed using R version 4.2.3 software. Heterogeneity was assessed using the tau^2 and I^2 indices, and Cochran's Q-test was conducted. Results The analysis included 966 patients in 43 original research studies with chronic pain who underwent DBS (340 for DBS-P and 625 for DBS-O). Subgroup analysis revealed that DBS-P exhibited a significant effect on chronic pain relief, with a standardized mean difference (SMD) of 1.65 and a 95% confidence interval (CI) of [1.31; 2.00]. Significant heterogeneity was observed among the studies, with an I^2 value of 85.8%. However, no significant difference was found between DBS-P and DBS-O subgroups. Subgroup analyses based on study design, age, pain diseases, and brain targets demonstrated varying levels of evidence for the effectiveness of DBS across different subgroups. Additionally, meta-regression analyses showed no significant relationship between age or pain duration and DBS effectiveness for chronic pain. Conclusion These findings significantly contribute to the expanding body of knowledge regarding the utility of DBS in the management of chronic pain. The study underscores the importance of conducting further research to enhance treatment outcomes and elucidate patient-specific factors that are associated with treatment response. Systematic review registration https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=428442, identifier CRD42023428442.
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Affiliation(s)
- Nour Shaheen
- Alexandria Faculty of Medicine, Alexandria, Egypt
| | | | | | - Yarema B. Bezchlibnyk
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, United States
| | - Theresa Zesiewicz
- Department of Neurology, University of South Florida, Tampa, FL, United States
| | - Brian Dalm
- Department of Neurosurgery, The Ohio State University, Columbus, OH, United States
| | - Jennifer Jain
- Department of Neurology, University of South Florida, Tampa, FL, United States
| | - Alexander L. Green
- Oxford Functional Neurosurgery, Department of Neurosurgery, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Tipu Z. Aziz
- Oxford Functional Neurosurgery, Department of Neurosurgery, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Oliver Flouty
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, United States
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Huang T, Yao H, Huang J, Wang N, Zhou C, Huang X, Tan X, Li Y, Jie Y, Wang X, Yang Y, Liang Y, Yue S, Mao Y, Lai S, Zheng J, He Y. Effectiveness of acupuncture for pain relief in shoulder-hand syndrome after stroke: a systematic evaluation and Bayesian network meta-analysis. Front Neurol 2023; 14:1268626. [PMID: 38046583 PMCID: PMC10693460 DOI: 10.3389/fneur.2023.1268626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/23/2023] [Indexed: 12/05/2023] Open
Abstract
Background Shoulder-hand syndrome (SHS) is a common complication after stroke, and SHS-induced pain significantly hampers patients' overall recovery. As an alternative therapy for pain relief, acupuncture has certain advantages in alleviating pain caused by SHS after stroke. However, choosing the best treatment plan from a variety of acupuncture options is still a serious challenge in clinical practice. Therefore, we conducted this Bayesian network meta-analysis to comprehensively compare the effectiveness of various acupuncture treatment methods. Methods We systematically searched for randomized controlled trials (RCTs) of acupuncture treatment in patients with post-stroke SHS published in PubMed, Embase, Cochrane, and Web of Science until 9 March 2023. We used the Cochrane bias risk assessment tool to assess the bias risk in the included original studies. Results A total of 50 RCTs involving 3,999 subjects were included, comprising 19 types of effective acupuncture interventions. Compared to single rehabilitation training, the top three interventions for VAS improvement were floating needle [VAS = -2.54 (95% CI: -4.37 to -0.69)], rehabilitation + catgut embedding [VAS = -2.51 (95% CI: -4.33 to -0.68)], and other multi-needle acupuncture combinations [VAS = -2.32 (95% CI: -3.68 to -0.94)]. The top three interventions for improving the Fugl-Meyer score were eye acupuncture [Meyer = 15.73 (95% CI: 3.4627.95)], other multi-needle acupuncture combinations [Meyer = 12.22 (95% CI: 5.1919.34)], and traditional western medicine + acupuncture + traditional Chinese medicine [Meyer = 11.96 (95% CI: -0.59 to 24.63)]. Conclusion Multiple acupuncture methods are significantly effective in improving pain and upper limb motor function in post-stroke SHS, with relatively few adverse events; thus, acupuncture can be promoted. Systematic Review Registration https://www.crd.york.ac.uk/prospero/, CRD42023410957.
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Affiliation(s)
- Ting Huang
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Hongfang Yao
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Junneng Huang
- The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Ning Wang
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Chunjun Zhou
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Xuyang Huang
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Xiangyuan Tan
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Yanyan Li
- Department of Traditional Chinese Medicine, Nanning Maternal and Child Health Hospital, Nanning, China
| | - Yuyu Jie
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Xiang Wang
- Sainz College of New Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Yu Yang
- The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Yingye Liang
- The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Siqian Yue
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Yawen Mao
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Songxian Lai
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Jingyiqi Zheng
- The First School of Clinical Medicine, Guangxi University of Traditional Chinese Medicine, Nanning, China
| | - Yufeng He
- The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, China
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Mandat V, Zdunek PR, Krolicki B, Szalecki K, Koziara HM, Ciecierski K, Mandat TS. Periaqueductal/periventricular gray deep brain stimulation for the treatment of neuropathic facial pain. Front Neurol 2023; 14:1239092. [PMID: 38020618 PMCID: PMC10660684 DOI: 10.3389/fneur.2023.1239092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Background The Periaqueductal gray (PAG) and the periventricular gray (PVG) are the anatomical targets for deep brain stimulation (DBS) to treat severe, refractory neuropathic pain. Methods Seven (four female and three male) patients were qualified for PAG/PVG DBS because of neuropathic facial pain. Frame-based unilateral implantations of DBS were conducted according to indirect planning of the PAG/PVG, contralateral to reported pain (3389, Activa SC 37603, Medtronic). The efficacy of PAG/PVG DBS on pain was measured with Numeric Pain Rating Scale (NRS) and Neuropathic Pain Symptom Inventory (NPSI) before surgery and 3, 12, and 24 months after surgery. Results The mean age of the group at the implantation was 43.7 years (range: 28-62; SD: 12.13). The mean duration of pain varied from 2 to 12 years (mean: 7.3; SD: 4.11). Five patients suffered from left-sided facial pain and two suffered right-sided facial pain. The etiology of pain among four patients was connected to ischemic brain stroke and in one patient to cerebral hemorrhagic stroke. Patients did not suffer from any other chronic medical condition The beginnings of ailments among two patients were related to craniofacial injury. NRS decreased by 54% at the 3 months follow-up. The efficacy of the treatment measured with mean NRS decreased at one-year follow-up to 48% and to 45% at 24 months follow-up. The efficacy of the treatment measured with NPSI decreased from 0.27 to 0.17 at 2 years follow-up (mean reduction by 38%). The most significant improvement was recorded in the first section of NPSI (Q1: burning- reduced by 53%). The records of the last section (number five) of the NPSI (paresthesia/dysesthesia- Q11/Q12) have shown aggravation of those symptoms by 10% at the two-years follow-up. No surgery- or hardware-related complications were reported in the group. Transient adverse effects related to the stimulation were eliminated during the programming sessions. Conclusion PAG/PVG DBS is an effective and safe method of treatment of medically refractory neuropathic facial pain. The effectiveness of the treatment tends to decrease at 2 years follow-up. The clinical symptoms which tend to respond the best is burning pain. Symptoms like paresthesia and dysesthesia might increase after DBS treatment, even without active stimulation.
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Affiliation(s)
- Victor Mandat
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
- Department of Biology, University of Toronto, Toronto, ON, Canada
| | - Pawel R. Zdunek
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Bartosz Krolicki
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Krzysztof Szalecki
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Henryk M. Koziara
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Konrad Ciecierski
- Research and Academic Computer Network Organization (NASK), Warsaw, Poland
| | - Tomasz S. Mandat
- Department of Neurosurgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland
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Shin DH, Son S, Kim EY. Low-Energy Transcranial Navigation-Guided Focused Ultrasound for Neuropathic Pain: An Exploratory Study. Brain Sci 2023; 13:1433. [PMID: 37891801 PMCID: PMC10605299 DOI: 10.3390/brainsci13101433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/01/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
Neuromodulation using high-energy focused ultrasound (FUS) has recently been developed for various neurological disorders, including tremors, epilepsy, and neuropathic pain. We investigated the safety and efficacy of low-energy FUS for patients with chronic neuropathic pain. We conducted a prospective single-arm trial with 3-month follow-up using new transcranial, navigation-guided, focused ultrasound (tcNgFUS) technology to stimulate the anterior cingulate cortex. Eleven patients underwent FUS with a frequency of 250 kHz and spatial-peak temporal-average intensity of 0.72 W/cm2. A clinical survey based on the visual analog scale of pain and a brief pain inventory (BPI) was performed during the study period. The average age was 60.55 ± 13.18 years-old with a male-to-female ratio of 6:5. The median current pain decreased from 10.0 to 7.0 (p = 0.021), median average pain decreased from 8.5 to 6.0 (p = 0.027), and median maximum pain decreased from 10.0 to 8.0 (p = 0.008) at 4 weeks after treatment. Additionally, the sum of daily life interference based on BPI was improved from 59.00 ± 11.66 to 51.91 ± 9.18 (p = 0.021). There were no side effects such as burns, headaches, or seizures, and no significant changes in follow-up brain magnetic resonance imaging. Low-energy tcNgFUS could be a safe and noninvasive neuromodulation technique for the treatment of chronic neuropathic pain.
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Affiliation(s)
- Dong Hoon Shin
- Department of Neurology, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
| | - Seong Son
- Department of Neurosurgery, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
| | - Eun Young Kim
- Department of Neurosurgery, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea;
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20
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Radiansyah RS, Hadi DW. Repetitive transcranial magnetic stimulation in central post-stroke pain: current status and future perspective. Korean J Pain 2023; 36:408-424. [PMID: 37752663 PMCID: PMC10551398 DOI: 10.3344/kjp.23220] [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: 07/25/2023] [Revised: 09/03/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Central post-stroke pain (CPSP) is an incapacitating disorder that impacts a substantial proportion of stroke survivors and can diminish their quality of life. Conventional therapies for CPSP, including tricyclic antidepressants, anticonvulsants, and opioids, are frequently ineffective, necessitating the investigation of alternative therapeutic strategies. Repetitive transcranial magnetic stimulation (rTMS) is now recognized as a promising noninvasive pain management method for CPSP. rTMS modulates neural activity through the administration of magnetic pulses to specific cortical regions. Trials analyzing the effects of rTMS on CPSP have generated various outcomes, but the evidence suggests possible analgesic benefits. In CPSP and other neuropathic pain conditions, high-frequency rTMS targeting the primary motor cortex (M1) with figure-eight coils has demonstrated significant pain alleviation. Due to its associaton with analgesic benefits, M1 is the most frequently targeted area. The duration and frequency of rTMS sessions, as well as the stimulation intensity, have been studied in an effort to optimize treatment outcomes. The short-term pain relief effects of rTMS have been observed, but the long-term effects (> 3 months) require further investigation. Aspects such as stimulation frequency, location, and treatment period can influence the efficacy of rTMS and ought to be considered while planning the procedure. Standardized guidelines for using rTMS in CPSP would optimize therapy protocols and improve patient outcomes. This review article provides an up-to-date overview of the incidence, clinical characteristics, outcome of rTMS in CPSP patients, and future perspective in the field.
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Affiliation(s)
- Riva Satya Radiansyah
- Faculty of Medicine and Health, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
| | - Deby Wahyuning Hadi
- Department of Neurology, Faculty of Medicine, Universitas Airlangga – Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
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21
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Tanei T, Maesawa S, Nishimura Y, Nagashima Y, Ishizaki T, Ando M, Kuwatsuka Y, Hashizume A, Kurasawa S, Saito R. Efficacy of the latest new stimulation patterns of spinal cord stimulation for intractable neuropathic pain compared to conventional stimulation: study protocol for a clinical trial. Trials 2023; 24:604. [PMID: 37742013 PMCID: PMC10517501 DOI: 10.1186/s13063-023-07637-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/08/2023] [Indexed: 09/25/2023] Open
Abstract
BACKGROUND Spinal cord stimulation (SCS) is one of the neuromodulation therapies for chronic neuropathic pain. The conventional paresthesia-based SCS involves the application of tonic stimulation that induces a sense of paresthesia. Recently, new SCS stimulation patterns without paresthesia have been developed. Differential target multiplexed (DTM) stimulation and fast-acting subperception therapy (FAST) stimulation are the latest paresthesia-free SCS patterns. METHODS A single-center, open-label, crossover, randomized clinical trial to investigate the superiority of SCS using the latest new stimulation patterns over conventional tonic stimulation for neuropathic pain is planned. This study consists of two steps: SCS trial (first step) and SCS system implantation (second step). In the SCS trial, participants will be randomly assigned to 4 groups receiving stimulation, including tonic, DTM, and FAST. Each stimulation will then be performed for 2 days, and a visual analog scale (VAS) for pain will be evaluated before and after each stimulation pattern. A stimulation-off period for 1 day is set between each stimulation pattern to wash out the residual previous stimulation effects. Pain improvement is defined as more than 33% reduction in the pain VAS. The primary analysis will compare pain improvement between the new stimulation patterns and the conventional tonic stimulation pattern in the SCS trial. The secondary outcomes will be evaluated as follows: (1) the relationships between causative disease and improvement rate by each stimulation pattern; (2) comparison of pain improvement between the DTM and FAST stimulation patterns in all cases and by causative disease; (3) changes in assessment items preoperatively to 24 months after the implantation; (4) preoperative factors associated with long-term effects defined as continuing for more than 12 months; and (5) adverse events related to this study 3 months after the implantation. DISCUSSION This study aims to clarify the effectiveness of the latest new stimulation patterns compared to the conventional tonic stimulation. In addition, which stimulation pattern is most effective for which kind of causative disease will be clarified. TRIAL REGISTRATION Japan Registry of Clinical Trials (jRCT) 1,042,220,094. Registered on 21 November 2022, and last modified on 6 January 2023. jRCT is an approved member of the Primary Registry Network of WHO ICTRP.
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Affiliation(s)
- Takafumi Tanei
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan.
| | - Satoshi Maesawa
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Yoshitaka Nagashima
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Tomotaka Ishizaki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Masahiko Ando
- Department of Advanced Medicine, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Yachiyo Kuwatsuka
- Department of Advanced Medicine, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Atsushi Hashizume
- Department of Clinical Research Education, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Shimon Kurasawa
- Department of Clinical Research Education, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-Cho, Showa-Ku, Nagoya, Aichi, 466-8550, Japan
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22
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Aydin SO, Tasargol O. Spinal Cord Stimulation and Related Health Information on Social Media: An Analysis of Instagram Posts. Cureus 2023; 15:e45129. [PMID: 37842402 PMCID: PMC10569752 DOI: 10.7759/cureus.45129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/12/2023] [Indexed: 10/17/2023] Open
Abstract
INTRODUCTION Spinal cord stimulation (SCS) has been a well-established, effective, minimally invasive procedure for the treatment of chronic medically refractory neuropathic pain involving the limbs and trunk. Social media platforms, including Instagram, are increasingly being used for medical education and sharing patient experiences. This study aimed to investigate posts related to SCS on Instagram. METHODS AND MATERIALS This study presents a comprehensive analysis of Instagram posts utilizing the hashtags #spinalcordneuromodulation, #spinalcordstimulation, #spinalcordstimulationsurgery, #spinalcordstimulationtherapy, and #spinalcordstimulationimplant, all of which were collected on August 1, 2023. The outcomes were organized into four distinct source-based categories: posts generated by medical practitioners (both surgeons and non-surgeons); content shared by medical organizations; content created by patients; and content from indeterminate categories. The content was further classified based on its nature, encompassing educational material and reflections on patient or physician experiences. Moreover, the impact of users was evaluated in terms of their follower count and the count of posts. RESULTS The search yielded a total of 4983 posts. The majority of posts were created by medical practitioners (38.53%, n = 1920). The distribution of remaining Instagram posts about SCS was as follows: medical organizations for 35% (n = 1744), patients for 24.12% (n = 1202), and indeterminate categories for 2.35% (n = 117). Among the collected posts, 348 (41.4%) originated from accounts associated with medical practitioners, 286 (34%) from medical organizations, 145 (17.2%) from patients, and 62 (7.4%) remained unspecified. The statistical analysis revealed a significant difference in follower distribution between medical practitioners and all other groups (p<0.001). Reported side effects included pain over the implant (n = 257; 88.92%), lead migration (n = 18; 6.22%), infection (n = 9; 3; 11%), and seroma (n = 5; 1.73%). CONCLUSIONS When searching for posts about SCS on Instagram, one is more likely to encounter posts authored by medical practitioners that are mostly focused on educational content. Posts created by medical practitioners may be overshadowed and buried among numerous other posts created by patients. We suggest posting educational medical content with the hashtag #MedEd in an attempt to make educational content more easily accessible.
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Affiliation(s)
- Serdar O Aydin
- Neurosurgery, Kartal Dr. Lutfi Kirdar City Hospital, Istanbul, TUR
| | - Omer Tasargol
- Anesthesiology, Dr. Burhan Nalbantoglu State Hospital, Nicosia, CYP
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Chen SH, Wu CC, Tseng WL, Lu FI, Liu YH, Lin SP, Lin SC, Hsueh YY. Adipose-derived stem cells modulate neuroinflammation and improve functional recovery in chronic constriction injury of the rat sciatic nerve. Front Neurosci 2023; 17:1172740. [PMID: 37457010 PMCID: PMC10339833 DOI: 10.3389/fnins.2023.1172740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/05/2023] [Indexed: 07/18/2023] Open
Abstract
Introduction Compressive neuropathy, a common chronic traumatic injury of peripheral nerves, leads to variable impairment in sensory and motor function. Clinical symptoms persist in a significant portion of patients despite decompression, with muscle atrophy and persistent neuropathic pain affecting 10%-25% of cases. Excessive inflammation and immune cell infiltration in the injured nerve hinder axon regeneration and functional recovery. Although adipose-derived stem cells (ASCs) have demonstrated neural regeneration and immunomodulatory potential, their specific effects on compressive neuropathy are still unclear. Methods We conducted modified CCI models on adult male Sprague-Dawley rats to induce irreversible neuropathic pain and muscle atrophy in the sciatic nerve. Intraneural ASC injection and nerve decompression were performed. Behavioral analysis, muscle examination, electrophysiological evaluation, and immunofluorescent examination of the injured nerve and associated DRG were conducted to explore axon regeneration, neuroinflammation, and the modulation of inflammatory gene expression. Transplanted ASCs were tracked to investigate potential beneficial mechanisms on the local nerve and DRG. Results Persistent neuropathic pain was induced by chronic constriction of the rat sciatic nerve. Local ASC treatment has demonstrated robust beneficial outcomes, including the alleviation of mechanical allodynia, improvement of gait, regeneration of muscle fibers, and electrophysiological recovery. In addition, locally transplanted ASCs facilitated axon remyelination, alleviated neuroinflammation, and reduced inflammatory cell infiltration of the injured nerve and associated dorsal root ganglion (DRG). Trafficking of the transplanted ASC preserved viability and phenotype less than 7 days but contributed to robust immunomodulatory regulation of inflammatory gene expression in both the injured nerve and DRG. Discussion Locally transplanted ASC on compressed nerve improve sensory and motor recoveries from irreversible chronic constriction injury of rat sciatic nerve via alleviation of both local and remote neuroinflammation, suggesting the promising role of adjuvant ASC therapies for clinical compressive neuropathy.
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Affiliation(s)
- Szu-Han Chen
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Center of Cell Therapy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Ching Wu
- International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wan-Ling Tseng
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Fu-I Lu
- Department of Biotechnology and Bioindustry Science, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan
- The integrative Evolutionary Galliform Genomics (iEGG) and Animal Biotechnology Center, National Chung Hsing University, Taichung, Taiwan
| | - Ya-Hsin Liu
- Department of Life Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Shau-Ping Lin
- Institute of Biotechnology, College of Bio-Resources and Agriculture, National Taiwan University, Taipei, Taiwan
| | - Sheng-Che Lin
- Division of Plastic Surgery, Department of Surgery, An-Nan Hospital, China Medical University, Tainan, Taiwan
| | - Yuan-Yu Hsueh
- Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Center of Cell Therapy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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24
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Yu G, Luo S, Zhu C, Chen L, Huang H, Nie B, Gu J, Liu J. Global Trends and Performances of Acupuncture Therapy on Bell's Palsy from 2000 to 2023: A Bibliometric Analysis. J Pain Res 2023; 16:2155-2169. [PMID: 37397274 PMCID: PMC10312334 DOI: 10.2147/jpr.s401086] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 05/05/2023] [Indexed: 07/04/2023] Open
Abstract
Purpose Recent studies have shown that acupuncture may have great potential in the treatment of Bell's palsy. However, the bibliometric analysis of this field has not been summarized properly. Thus, the purpose of this study is to analyze the hotspot of acupuncture for Bell's Palsy. Methods The core collection database of Web of Science was searched for relevant publications from 2000 to 2023, and countries, institutions, authors, keywords, and literature were analyzed and visualized by bibliometric softwareCiteSpace 5.1.R6, Vosviewer, BICOMB, and gCLUTO to explore the scientific achievements, research collaboration networks, research hot spots, and research trends. Results 229 publications were included in this study. The most cited journal is Journal of Otolaryngology-Head & Neck Surgery; the most prolific country is China; the most prolific author is Li Ying, moreover, the collaboration among scholars is poor; Kyung Hee University is the most prolific institution studying acupuncture for Bell's Palsy. Reference burst detection indicates that traditional Chinese Medicine philosophy, the role of acupuncture in the prognosis of facial palsy, mechanism of acupuncture to improve facial nerve function, and the use of electroacupuncture are starting to become new research hotspots. Conclusion The field of acupuncture for Bell's Palsy has developed rapidly in recent years, and new research trends are mainly: combination with traditional Chinese medicine, the role of acupuncture in the prognosis of facial palsy, mechanism of acupuncture to improve facial nerve function, and the use of electroacupuncture. However, research in this field is still dominated by case reports and clinical trials, and there is a lack of large-scale, multicenter clinical trials and animal experiments there are still many problems in institutional cooperation and experimental design, which requires relevant researchers to strengthen cooperation and improve experimental design.
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Affiliation(s)
- Guangbin Yu
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Shuping Luo
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Cuilian Zhu
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Li Chen
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Hao Huang
- First Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Bin Nie
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
- Guangdong Second Traditional Chinese Medicine Hospital, Guangzhou City, People’s Republic of China
| | - Jianhao Gu
- Clinical Medical College of Acupuncture-Moxibustion and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
| | - Jianxin Liu
- Fifth Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou City, People’s Republic of China
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25
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Wahab S, Kataria S, Woolley P, O'Hene N, Odinkemere C, Kim R, Urits I, Kaye AD, Hasoon J, Yazdi C, Robinson CL. Literature Review: Pericranial Nerve Blocks for Chronic Migraines. Health Psychol Res 2023; 11:74259. [PMID: 37139462 PMCID: PMC10151122 DOI: 10.52965/001c.74259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023] Open
Abstract
Purpose of Review Headaches, especially migraines, are one of the most pervasive neurological disorders affecting up to 15.9% of the population. Current methods of migraine treatment include lifestyle changes, pharmacologic, and minimally invasive techniques such as peripheral nerve stimulation (PNS) and pericranial nerve blocks (PNB). Recent Findings PNBs are used to treat and prevent migraines and involves injection of local anesthetics with or without corticosteroids. PNBs include the greater occipital, supraorbital, supratrochlear, lesser occipital, auriculotemporal, sphenopalantine ganglion, and cervical root nerve blocks. Of the PNBs, the most extensively studied is the greater occipital nerve block (GONB) which has been shown to be an efficacious treatment for migraines, trigeminal neuralgia, hemi-crania continua, and post-lumbar puncture, post-concussive, cluster, and cervicogenic headaches but not medication overuse and chronic tension type headaches. Summary In this review, we aim to summarize the recent literature on PNBs and their efficacy in the treatment of migraines including a brief discussion of peripheral nerve stimulation.
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Affiliation(s)
- Stephanie Wahab
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
| | - Saurabh Kataria
- Louisiana State University Health Shreveport, Department of Neurology, Shreveport, LA
| | - Parker Woolley
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
| | - Naanama O'Hene
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
| | - Chima Odinkemere
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
| | - Rosa Kim
- Georgetown University Hospital, Department of General Surgery, Medstar, Washington, DC
| | | | - Alan D Kaye
- Louisiana State University Shreveport, Department of Anesthesiology, Shreveport, LA
| | - Jamal Hasoon
- UTHealth McGovern Medical School, Department of Anesthesiology, Critical Care and Pain Medicine, Houston, TX
| | - Cyrus Yazdi
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
| | - Christopher L Robinson
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Boston, MA
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26
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Zhou L, Xu Y, Song F, Li W, Gao F, Zhu Q, Qian Z. The effect of TENS on sleep: A pilot study. Sleep Med 2023; 107:126-136. [PMID: 37167876 DOI: 10.1016/j.sleep.2023.04.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/13/2023]
Abstract
BACKGROUND Insomnia is the second most common neuropsychiatric disorder, but the current treatments are not very effective. There is therefore an urgent need to develop better treatments. Transcutaneous electrical nerve stimulation (TENS) may be a promising means of treating insomnia. OBJECTIVE This work aims to explore whether and how TENS modulate sleep and the effect of stimulation waveforms on sleep. METHODS Forty-five healthy subjects participated in this study. Electroencephalography (EEG) data were recorded before and after four mode low-frequency (1 Hz) TENS with different waveforms, which were formed by superimposing sine waves of different high frequencies (60-210 Hz) and low frequencies (1-6 Hz). The four waveform modes are formed by combining sine waves of varying frequencies. Mode 1 (M1) consists of a combination of high frequencies (60-110 Hz) and low frequencies (1-6 Hz). Mode 2 (M2) is made up of high frequencies (60-210 Hz) and low frequencies (1-6 Hz). Mode 3 (M3) consists of high frequencies (110-160 Hz) and low frequencies (1-6 Hz), while mode 4 (M4) is composed of high frequencies (160-210 Hz) and low frequencies (1-6 Hz). For M1, M3 and M4, the high frequency portions of the stimulus waveforms account for 50%, while for M2, the high frequency portion of the waveform accounts for 65%. For each mode, the current intensities ranged from 4 mA to 7 mA, with values for each participant adjusted according to individual tolerance. During stimulation, the subjects were stimulated at the greater occipital nerve by the four mode TENS. RESULTS M1, M3, and M4 slowed down the frequency of neural activity, broadened the distribution of theta waves, and caused a decrease in activity in wakefulness-related regions and an increase in activity in sleep-related regions. However, M2 has the opposite modulation effect. CONCLUSION These results indicated that low-frequency TENS (1 Hz) may facilitate sleep in a waveform-specific manner. Our findings provide new insights into the mechanisms of sleep modulation by TENS and the design of effective insomnia treatments.
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Affiliation(s)
- Lu Zhou
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China
| | - Yixuan Xu
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China
| | - Fanlei Song
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China
| | - Weitao Li
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China
| | - Fan Gao
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China
| | - Qiaoqiao Zhu
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China.
| | - Zhiyu Qian
- Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China; Key Laboratory of Multimodal Brain-Computer Precision Drive Ministry of Industry and Information Technology, Nanjing, 210016, China; Key Laboratory of Digital Medical Equipment and Technology of Jiangsu Province, Nanjing, 210016, China.
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27
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Assis DV, Campos ACP, Paschoa AFN, Santos TF, Fonoff ET, Pagano RL. Systemic and Peripheral Mechanisms of Cortical Stimulation-Induced Analgesia and Refractoriness in a Rat Model of Neuropathic Pain. Int J Mol Sci 2023; 24:ijms24097796. [PMID: 37175503 PMCID: PMC10177944 DOI: 10.3390/ijms24097796] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/13/2023] [Accepted: 04/16/2023] [Indexed: 05/15/2023] Open
Abstract
Epidural motor cortex stimulation (MCS) is an effective treatment for refractory neuropathic pain; however, some individuals are unresponsive. In this study, we correlated the effectiveness of MCS and refractoriness with the expression of cytokines, neurotrophins, and nociceptive mediators in the dorsal root ganglion (DRG), sciatic nerve, and plasma of rats with sciatic neuropathy. MCS inhibited hyperalgesia and allodynia in two-thirds of the animals (responsive group), and one-third did not respond (refractory group). Chronic constriction injury (CCI) increased IL-1β in the nerve and DRG, inhibited IL-4, IL-10, and IL-17A in the nerve, decreased β-endorphin, and enhanced substance P in the plasma, compared to the control. Responsive animals showed decreased NGF and increased IL-6 in the nerve, accompanied by restoration of local IL-10 and IL-17A and systemic β-endorphin. Refractory animals showed increased TNF-α and decreased IFNγ in the nerve, along with decreased TNF-α and IL-17A in the DRG, maintaining low levels of systemic β-endorphin. Our findings suggest that the effectiveness of MCS depends on local control of inflammatory and neurotrophic changes, accompanied by recovery of the opioidergic system observed in neuropathic conditions. So, understanding the refractoriness to MCS may guide an improvement in the efficacy of the technique, thus benefiting patients with persistent neuropathic pain.
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Affiliation(s)
- Danielle V Assis
- Laboratory of Neuroscience, Hospital Sírio-Libanês, São Paulo 01308-060, SP, Brazil
| | | | - Amanda F N Paschoa
- Laboratory of Neuroscience, Hospital Sírio-Libanês, São Paulo 01308-060, SP, Brazil
| | - Talita F Santos
- Laboratory of Neuroscience, Hospital Sírio-Libanês, São Paulo 01308-060, SP, Brazil
| | - Erich T Fonoff
- Division of Functional Neurosurgery, Department of Neurology, University of Sao Paulo Medical School, São Paulo 05402-000, SP, Brazil
| | - Rosana L Pagano
- Laboratory of Neuroscience, Hospital Sírio-Libanês, São Paulo 01308-060, SP, Brazil
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28
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Bai YW, Yang QH, Chen PJ, Wang XQ. Repetitive transcranial magnetic stimulation regulates neuroinflammation in neuropathic pain. Front Immunol 2023; 14:1172293. [PMID: 37180127 PMCID: PMC10167032 DOI: 10.3389/fimmu.2023.1172293] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/12/2023] [Indexed: 05/15/2023] Open
Abstract
Neuropathic pain (NP) is a frequent condition caused by a lesion in, or disease of, the central or peripheral somatosensory nervous system and is associated with excessive inflammation in the central and peripheral nervous systems. Repetitive transcranial magnetic stimulation (rTMS) is a supplementary treatment for NP. In clinical research, rTMS of 5-10 Hz is widely placed in the primary motor cortex (M1) area, mostly at 80%-90% RMT, and 5-10 treatment sessions could produce an optimal analgesic effect. The degree of pain relief increases greatly when stimulation duration is greater than 10 days. Analgesia induced by rTMS appears to be related to reestablishing the neuroinflammation system. This article discussed the influences of rTMS on the nervous system inflammatory responses, including the brain, spinal cord, dorsal root ganglia (DRG), and peripheral nerve involved in the maintenance and exacerbation of NP. rTMS has shown an anti-inflammation effect by decreasing pro-inflammatory cytokines, including IL-1β, IL-6, and TNF-α, and increasing anti-inflammatory cytokines, including IL-10 and BDNF, in cortical and subcortical tissues. In addition, rTMS reduces the expression of glutamate receptors (mGluR5 and NMDAR2B) and microglia and astrocyte markers (Iba1 and GFAP). Furthermore, rTMS decreases nNOS expression in ipsilateral DRGs and peripheral nerve metabolism and regulates neuroinflammation.
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Affiliation(s)
- Yi-Wen Bai
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qi-Hao Yang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Pei-Jie Chen
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, Shanghai, China
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X-reality for Phantom Limb Management for Amputees: A Systematic Review and Meta-Analysis. ENGINEERED REGENERATION 2023. [DOI: 10.1016/j.engreg.2023.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023] Open
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30
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Ofek H, Alperin M, Laufer Y. Sensory retraining for Central Post-Stroke Pain: A subgroup analysis within a randomized controlled trial. NeuroRehabilitation 2023; 52:165-174. [PMID: 36641688 DOI: 10.3233/nre-220217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Explicit Sensory Retraining (SR) has been suggested for pain management in several neuropathic pain syndromes. OBJECTIVES To study the effectiveness of SR on Central Post Stroke Pain (CPSP) symptoms. METHODS A preplanned subgroup of 23 subjects post-stroke reporting central pain were randomized within a larger study, to receive either explicit sensory discrimination retraining (SR) (in subgroup n = 11) or implicit repeated exposure to stimuli (RE) (in subgroup n = 12), applied to the lower limb. Pain intensity measured by VAS, measures of sensory ability; balance and gait activities; and participation were assessed by a blinded assessor at four points in time. RESULTS A group*time interaction effect was demonstrated (p = 0.04) for VAS, as for the SR treatment group VAS decreased from 56/100 to 23/100. Nine out of eleven subjects in the SR group demonstrated positive response to treatment. Pain alleviation was maintained at follow-up. A similar interaction effect was found for tactile threshold (p = 0.03). Significant improvement was noted for all other variables with no group differences. CONCLUSION This study provides preliminary evidence to the clinically relevant positive effect of explicit sensory retraining for subjects with CPSP. The positive effect on tactile threshold detection could potentially indicate pain alleviation mechanisms.
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Affiliation(s)
- Hadas Ofek
- Physical Therapy Department, Faculty of Welfare and Health Studies, University of Haifa, Haifa, Israel.,Physical Therapy Department, Zefat Academic College, Zefat, Israel
| | | | - Yocheved Laufer
- Physical Therapy Department, Faculty of Welfare and Health Studies, University of Haifa, Haifa, Israel
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31
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Pan LJ, Zhu HQ, Zhang XA, Wang XQ. The mechanism and effect of repetitive transcranial magnetic stimulation for post-stroke pain. Front Mol Neurosci 2023; 15:1091402. [PMID: 36683849 PMCID: PMC9855274 DOI: 10.3389/fnmol.2022.1091402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 12/05/2022] [Indexed: 01/08/2023] Open
Abstract
Post-stroke pain (PSP) is a common complication after stroke and affects patients' quality of life. Currently, drug therapy and non-invasive brain stimulation are common treatments for PSP. Given the poor efficacy of drug therapy and various side effects, non-invasive brain stimulation, such as repetitive transcranial magnetic stimulation (rTMS), has been accepted by many patients and attracted the attention of many researchers because of its non-invasive and painless nature. This article reviews the therapeutic effect of rTMS on PSP and discusses the possible mechanisms. In general, rTMS has a good therapeutic effect on PSP. Possible mechanisms of its analgesia include altering cortical excitability and synaptic plasticity, modulating the release of related neurotransmitters, and affecting the structural and functional connectivity of brain regions involved in pain processing and modulation. At present, studies on the mechanism of rTMS in the treatment of PSP are lacking, so we hope this review can provide a theoretical basis for future mechanism studies.
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Affiliation(s)
- Long-Jin Pan
- College of Kinesiology, Shenyang Sport University, Shenyang, China,Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Hui-Qi Zhu
- College of Kinesiology, Shenyang Sport University, Shenyang, China,Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xin-An Zhang
- College of Kinesiology, Shenyang Sport University, Shenyang, China,*Correspondence: Xin-An Zhang ✉
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China,Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, Shanghai, China,Xue-Qiang Wang ✉
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32
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Monaco F, Coluccia S, Cuomo A, Nocerino D, Schiavo D, Pasta G, Bifulco F, Buonanno P, Riccio V, Leonardi M, Perri F, Ottaiano A, Sabbatino F, Vittori A, Cascella M. Bibliometric and Visual Analysis of the Scientific Literature on Percutaneous Electrical Nerve Stimulation (PENS) for Pain Treatment. APPLIED SCIENCES 2023; 13:636. [DOI: 10.3390/app13010636] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Background: Percutaneous electrical nerve stimulation (PENS) is a minimally invasive peripheral neuromodulation approach implemented against chronic neuropathic and mixed pain. This bibliometric study aims to quantitatively evaluate the output of PENS for pain treatment in the scientific literature. The main purpose is to stimulate research in the field and bridge potential scientific gaps. Methods: Articles were retrieved from the Web of Science (WOS) database. The search key term was “percutaneous electrical nerve stimulation (All Fields) and pain (All Fields)”. Year of publication, journal metrics (impact factor and quartile, Q), title, document type, topic, and citations were extracted. The join-point regression was implemented to assess differences in time points for the publication output. The software tool VOSviewer (version 1.6.17) was used for the visual analysis. Results: One thousand three hundred and eighteen articles were included in the knowledge visualization process. A linear upward trend for annual new publications was found. Almost two-thirds of the documents were published in top-ranked journals (Q1 and Q2). The topic “efficacy” was prevalent (12.81%). Concerning article type, the search strategy yielded 307 clinical investigations (23.3%). Articles were cited 36,610 times with a mean of 42.4 citations per article. Approximately one-half of the articles were cited less than 23 times in a range of 21 years. The semantic network analysis for keywords found eight clusters. The analysis of collaborative efforts among researchers showed five thematic clusters including 102 authors with a minimum of five documents produced in collaborations. Most partnerships involved the United States, England, and Germany. Conclusions: despite the upward trend in the number of publications on the subject and the publication of articles in top-ranked journals, there is a need to increase scientific collaborations between researchers and institutions from different countries.
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Tanei T, Maesawa S, Nishimura Y, Nagashima Y, Ishizaki T, Mutoh M, Ito Y, Saito R. Relief of Central Poststroke Pain Affecting Both the Arm and Leg on One Side by Double-independent Dual-lead Spinal Cord Stimulation Using Fast-acting Subperception Therapy Stimulation: A Case Report. NMC Case Rep J 2023; 10:15-20. [PMID: 36873746 PMCID: PMC9981231 DOI: 10.2176/jns-nmc.2022-0336] [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: 10/20/2022] [Accepted: 12/01/2022] [Indexed: 02/11/2023] Open
Abstract
Central poststroke pain is a chronic, intractable, central neuropathic pain. Spinal cord stimulation is a neuromodulation therapy for chronic neuropathic pain. The conventional stimulation method induces a sense of paresthesia. Fast-acting subperception therapy is one of the latest new stimulation methods without paresthesia. A case of achieving pain relief of central poststroke pain affecting both the arm and leg on one side by double-independent dual-lead spinal cord stimulation using fast-acting subperception therapy stimulation is presented. A 67-year-old woman had central poststroke pain due to a right thalamic hemorrhage. The numerical rating scale scores of the left arm and leg were 6 and 7, respectively. Using dual-lead stimulation at the Th 9-11 levels, a spinal cord stimulation trial was performed. Fast-acting subperception therapy stimulation achieved pain reduction in the left leg from 7 to 3. Therefore, a pulse generator was implanted, and the pain relief continued for 6 months. Then, two additional leads were implanted at the C 3-5 levels, and pain in the arm decreased from 6 to 4. Independent setting and adjustments of the dual-lead stimulation were required because the thresholds of paresthesia perception were significantly different. To achieve pain relief in both the arm and leg, double-independent dual-lead stimulation placed at cervical and thoracic levels is an effective treatment. Fast-acting subperception therapy stimulation may be effective for central poststroke pain, especially in cases where the paresthesia is perceived as uncomfortable or the conventional stimulation itself is ineffective.
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Affiliation(s)
- Takafumi Tanei
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Satoshi Maesawa
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Yusuke Nishimura
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Yoshitaka Nagashima
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Tomotaka Ishizaki
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Manabu Mutoh
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Yoshiki Ito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Ryuta Saito
- Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
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Bonin EAC, Lejeune N, Szymkowicz E, Bonhomme V, Martial C, Gosseries O, Laureys S, Thibaut A. Assessment and management of pain/nociception in patients with disorders of consciousness or locked-in syndrome: A narrative review. Front Syst Neurosci 2023; 17:1112206. [PMID: 37021037 PMCID: PMC10067681 DOI: 10.3389/fnsys.2023.1112206] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/06/2023] [Indexed: 04/07/2023] Open
Abstract
The assessment and management of pain and nociception is very challenging in patients unable to communicate functionally such as patients with disorders of consciousness (DoC) or in locked-in syndrome (LIS). In a clinical setting, the detection of signs of pain and nociception by the medical staff is therefore essential for the wellbeing and management of these patients. However, there is still a lot unknown and a lack of clear guidelines regarding the assessment, management and treatment of pain and nociception in these populations. The purpose of this narrative review is to examine the current knowledge regarding this issue by covering different topics such as: the neurophysiology of pain and nociception (in healthy subjects and patients), the source and impact of nociception and pain in DoC and LIS and, finally, the assessment and treatment of pain and nociception in these populations. In this review we will also give possible research directions that could help to improve the management of this specific population of severely brain damaged patients.
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Affiliation(s)
- Estelle A. C. Bonin
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
| | - Nicolas Lejeune
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre Hospitalier Neurologique (CHN) William Lennox, Saint-Luc Hospital Group, Ottignies-Louvain-la-Neuve, Belgium
- Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium
| | - Emilie Szymkowicz
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
| | - Vincent Bonhomme
- Department of Anesthesia and Intensive Care Medicine, Liège University Hospital, Liège, Belgium
- Anesthesia and Perioperative Neuroscience Laboratory, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
| | - Charlotte Martial
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
| | - Olivia Gosseries
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
| | - Steven Laureys
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
- Joint International Research Unit on Consciousness, CERVO Brain Research Centre, Centre Intégré Universitaire de Santé et Services Sociaux (CIUSS), University Laval, Québec City, QC, Canada
| | - Aurore Thibaut
- Coma Science Group, GIGA-Consciousness Thematic Unit, GIGA-Research, Liège, Belgium
- Centre du Cerveau, Liège University Hospital, Liège, Belgium
- *Correspondence: Aurore Thibaut,
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Kwon WK, Kelly KA, McAvoy M, Sivakanthan S, Ogunlade J, Yap NKY, Durfy S, Hofstetter CP. Full Endoscopic Ligamentum Flavum Sparing Unilateral Laminotomy for Bilateral Recess Decompression: Surgical Technique and Clinical Results. Neurospine 2022; 19:1028-1038. [PMID: 36597639 PMCID: PMC9816588 DOI: 10.14245/ns.2244344.172] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 10/12/2022] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE Interlaminar endoscopic spine surgery has been introduced and utilized for lumbar lateral recess decompression. We modified this technique and utilized it for bilateral lateral recess stenoses without significant central stenosis. Here we present the surgical details and clinical outcome of ligamentum flavum sparing unilateral laminotomy for bilateral recess decompression (ULBRD). METHODS Prospectively collected registry for full-endoscopic surgeries was reviewed retrospectively. One hundred eighty-two consecutive cases from a single center between September 2015 and March 2021 were reviewed and 57 of them whom underwent ULBRD were enrolled for analysis. Basic patient demographic data, perioperative details, surgeryrelated complications, and clinical outcome were reviewed. The detailed surgical technique is presented as well. RESULTS Among the 57 patients enrolled, 37 were males while the other 20 were females. The mean age was 58.53 ± 14.51 years, and a bimodal age distribution at the age of mid-fifties and mid-sixties or older was noted. The later age-peak was related to coexistence of degenerative scoliosis. The average operative time per lamina was 70.34 ± 20.51 minutes and mean length of stay was 0.56 ± 0.85 days. Four perioperative complications were reported (7.0%) and the overall reoperation rate at the index level within 1 year was 8.8%. The preoperative back/leg visual analogue scale scores and functional outcome scales including EuroQol-5 dimension questionnaire, Oswestry Disability Index presented significant improvement immediately after surgery and were maintained until final follow-up. CONCLUSION ULBRD for bilateral lateral recess stenoses without significant central stenosis resulted in good clinical outcomes with acceptably low perioperative complications rates. Sufficient decompression was achieved with the central ligamentum flavum being preserved.
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Affiliation(s)
- Woo-Keun Kwon
- Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Katherine A. Kelly
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | - Malia McAvoy
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | | | - John Ogunlade
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | - Natalie Kai Yi Yap
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | - Sharon Durfy
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA
| | - Christoph P. Hofstetter
- Department of Neurological Surgery, University of Washington, Seattle, WA, USA,Corresponding Author Christoph Hofstetter Department of Neurological Surgery, University of Washington, 325 Ninth Ave, Box 359924, Seattle, WA 98104, USA ;
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36
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Hodkinson DJ, Jackson SR, Jung J. Task-dependent plasticity in distributed neural circuits after transcranial direct current stimulation of the human motor cortex: A proof-of-concept study. FRONTIERS IN PAIN RESEARCH 2022; 3:1005634. [PMID: 36506269 PMCID: PMC9732378 DOI: 10.3389/fpain.2022.1005634] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 11/07/2022] [Indexed: 11/27/2022] Open
Abstract
The ability of non-invasive brain stimulation to induce neuroplasticity and cause long-lasting functional changes is of considerable interest for the reversal of chronic pain and disability. Stimulation of the primary motor cortex (M1) has provided some of the most encouraging after-effects for therapeutic purposes, but little is known about its underlying mechanisms. In this study we combined transcranial Direct Current Stimulation (tDCS) and fMRI to measure changes in task-specific activity and interregional functional connectivity between M1 and the whole brain. Using a randomized counterbalanced sham-controlled design, we applied anodal and cathodal tDCS stimulation over the left M1. In agreement with previous studies, we demonstrate that tDCS applied to the target region induces task-specific facilitation of local brain activity after anodal tDCS, with the stimulation effects having a negative relationship to the resting motor threshold. Beyond the local effects, tDCS also induced changes in multiple downstream regions distinct from the motor system that may be important for therapeutic efficacy, including the operculo-insular and cingulate cortex. These results offer opportunities to improve outcomes of tDCS for the individual patient based on the degree of presumed neuroplasticity. Further research is still warranted to address the optimal stimulation targets and parameters for those with disease-specific symptoms of chronic pain.
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Affiliation(s)
- Duncan J. Hodkinson
- Division of Clinical Neuroscience, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- Sir Peter Mansfield Imaging Centre, School of Medicine, University of Nottingham, Nottingham, United Kingdom
- National Institute for Health Research (NIHR), Nottingham Biomedical Research Centre, Queens Medical Center, Nottingham, United Kingdom
- Versus Arthritis Pain Centre, University of Nottingham, Nottingham, United Kingdom
| | - Stephen R. Jackson
- National Institute for Health Research (NIHR), Nottingham Biomedical Research Centre, Queens Medical Center, Nottingham, United Kingdom
- School of Psychology, University of Nottingham, Nottingham, United Kingdom
| | - JeYoung Jung
- School of Psychology, University of Nottingham, Nottingham, United Kingdom
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37
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Sola RG, Pulido P. Neurosurgical Treatment of Pain. Brain Sci 2022; 12:1584. [PMID: 36421909 PMCID: PMC9688870 DOI: 10.3390/brainsci12111584] [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] [Received: 10/25/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 12/01/2023] Open
Abstract
The aim of this review is to draw attention to neurosurgical approaches for treating chronic and opioid-resistant pain. In a first chapter, an up-to-date overview of the main pathophysiological mechanisms of pain has been carried out, with special emphasis on the details in which the surgical treatment is based. In a second part, the principal indications and results of different surgical approaches are reviewed. Cordotomy, Myelotomy, DREZ lesions, Trigeminal Nucleotomy, Mesencephalotomy, and Cingulotomy are revisited. Ablative procedures have a limited role in the management of chronic non-cancer pain, but they continues to help patients with refractory cancer-related pain. Another ablation lesion has been named and excluded, due to lack of current relevance. Peripheral Nerve, Spine Cord, and the principal possibilities of Deep Brain and Motor Cortex Stimulation are also revisited. Regarding electrical neuromodulation, patient selection remains a challenge.
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Affiliation(s)
- Rafael G. Sola
- Innovation in Neurosurgery, Department of Surgery, Autonomous University of Madrid, 28049 Madrid, Spain
| | - Paloma Pulido
- Department of Surgery, Autonomous University of Madrid, 28049 Madrid, Spain
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Pricope CV, Tamba BI, Stanciu GD, Cuciureanu M, Neagu AN, Creanga-Murariu I, Dobrovat BI, Uritu CM, Filipiuc SI, Pricope BM, Alexa-Stratulat T. The Roles of Imaging Biomarkers in the Management of Chronic Neuropathic Pain. Int J Mol Sci 2022; 23:13038. [PMID: 36361821 PMCID: PMC9657736 DOI: 10.3390/ijms232113038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/22/2022] [Accepted: 10/24/2022] [Indexed: 08/04/2023] Open
Abstract
Chronic neuropathic pain (CNP) affects around 10% of the general population and has a significant social, emotional, and economic impact. Current diagnosis techniques rely mainly on patient-reported outcomes and symptoms, which leads to significant diagnostic heterogeneity and subsequent challenges in management and assessment of outcomes. As such, it is necessary to review the approach to a pathology that occurs so frequently, with such burdensome and complex implications. Recent research has shown that imaging methods can detect subtle neuroplastic changes in the central and peripheral nervous system, which can be correlated with neuropathic symptoms and may serve as potential markers. The aim of this paper is to review available imaging methods used for diagnosing and assessing therapeutic efficacy in CNP for both the preclinical and clinical setting. Of course, further research is required to standardize and improve detection accuracy, but available data indicate that imaging is a valuable tool that can impact the management of CNP.
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Affiliation(s)
- Cosmin Vasilica Pricope
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Department of Pharmacology, Clinical Pharmacology and Algesiology, Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Bogdan Ionel Tamba
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Department of Pharmacology, Clinical Pharmacology and Algesiology, Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Gabriela Dumitrita Stanciu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Magdalena Cuciureanu
- Department of Pharmacology, Clinical Pharmacology and Algesiology, Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Anca Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, Carol I bvd. No. 22, 700505 Iasi, Romania
| | - Ioana Creanga-Murariu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Bogdan-Ionut Dobrovat
- Department of Radiology, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 16 University Street, 700115 Iasi, Romania
| | - Cristina Mariana Uritu
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Silviu Iulian Filipiuc
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Bianca-Mariana Pricope
- Department of Preventive Medicine and Interdisciplinarity, Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Teodora Alexa-Stratulat
- Advanced Research and Development Center for Experimental Medicine (CEMEX), Grigore T. Popa University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
- Medical Oncology-Radiotherapy Department, Grigore T. Popa University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania
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Chen KH, Lin HS, Li YC, Sung PH, Chen YL, Yin TC, Yip HK. Synergic Effect of Early Administration of Probiotics and Adipose-Derived Mesenchymal Stem Cells on Alleviating Inflammation-Induced Chronic Neuropathic Pain in Rodents. Int J Mol Sci 2022; 23:ijms231911974. [PMID: 36233275 PMCID: PMC9570240 DOI: 10.3390/ijms231911974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/05/2022] [Accepted: 10/06/2022] [Indexed: 11/05/2022] Open
Abstract
This study investigated the hypothesis that probiotics enhanced the therapeutic effect of adipose-derived mesenchymal stem cells (ADMSCs) on alleviating neuropathic pain (NP) due to chronic constriction injury (CCI) mainly through regulating the microbiota in rats. SD rats (n = 50) were categorized into group 1 (sham-control), group 2 (NP), group 3 (NP + probiotics (i.e., 1.5 billion C.F.U./day/rat, orally 3 h after NP procedure, followed by QOD 30 times)), group 4 (NP + ADMSCs (3.0 × 105 cells) 3 h after CCI procedure, followed by QOD six times (i.e., seven times in total, i.e., mimic a clinical setting of drug use) and group 5 (NP + probiotics + ADMSCs (3.0 × 105 cells)) and euthanized by day 60 after NP induction. By day 28 after NP induction, flow-cytometric analysis showed circulating levels of early (AN-V+/PI−) and late (AN-V+/PI+) apoptotic, and three inflammatory (CD11b-c+, Ly6G+ and MPO+) cells were lowest in group 1 and significantly progressively reduced in groups 2 to 5 (all p < 0.0001). By days 7, 14, 21, 28, and 60 after CCI, the thresholds of thermal paw withdrawal latency (PWL) and mechanical paw withdrawal threshold (PWT) were highest in group 1 and significantly progressively increased in groups 2 to 5 (all p < 0.0001). Numbers of pain-connived cells (Nav1.8+/peripherin+, p-ERK+/peripherin+, p-p38+/peripherin+ and p-p38+/NF200+) and protein expressions of inflammatory (p-NF-κB, IL-1ß, TNF-α and MMP-9), apoptotic (cleaved-caspase-3, cleaved-PARP), oxidative-stress (NOX-1, NOX-2), DNA-damaged (γ-H2AX) and MAPK-family (p-P38, p-JNK, p-ERK1/2) biomarkers as well as the protein levels of Nav.1.3, Nav.1.8, and Nav.1.9 in L4-L5 in dorsal root ganglia displayed an opposite pattern of mechanical PWT among the groups (all p < 0.0001). In conclusion, combined probiotic and ADMSC therapy was superior to merely one for alleviating CCI-induced NP mainly through suppressing inflammation and oxidative stress.
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Affiliation(s)
- Kuan-Hung Chen
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Hung-Sheng Lin
- Division of Neurology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Yi-Chen Li
- Center of Cell Therapy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
| | - Pei-Hsun Sung
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Yi-Ling Chen
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Tsung-Cheng Yin
- Department of Orthopaedic Surgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Correspondence: (T.-C.Y.); (H.-K.Y.)
| | - Hon-Kan Yip
- Division of Cardiology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
- Center for Shockwave Medicine and Tissue Engineering, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 83301, Taiwan
- School of Medicine, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
- Department of Nursing, Asia University, Taichung 41354, Taiwan
- Division of Cardiology, Department of Internal Medicine, Xiamen Chang Gung Hospital, Xiamen 361028, China
- Correspondence: (T.-C.Y.); (H.-K.Y.)
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Tomanovic Vujadinovic S, Ilic N, Selakovic I, Nedeljkovic U, Krstic N, Mujovic N, Dubljanin Raspopovic E, Jovanovic D. TENS Improves Cisplatin-Induced Neuropathy in Lung Cancer Patients. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:1405. [PMID: 36295566 PMCID: PMC9611034 DOI: 10.3390/medicina58101405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/07/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022]
Abstract
Background: Cisplatin-induced peripheral neuropathy is a common complication of cisplatin therapy, which develops in most patients with lung cancer. There are no effective preventive measures and once it occurs there is no effective therapy, except symptomatic. In this study, we aimed to assess the effect of transcutaneous electrical nerve stimulation (TENS) therapy on the pain intensity and the quality of life of patients with cisplatin-induced neuropathy. Material and Methods: A prospective cohort study was performed from 2013 to 2018, at the Clinical Center of Serbia. After the initial evaluation of 106 newly diagnosed patients with lung cancer, 68 patients did not have peripheral neuropathy. These 68 patients continued in the study and started the cisplatin chemotherapy. Forty of these patients developed cisplatin-induced neuropathy, which was manifested by neuropathic symptoms and proven by ENG examination. All patients with cisplatin-induced neuropathy were treated with TENS therapy. Their neuropathic pain and quality of life were evaluated using the following questionnaires at diagnosis, after cisplatin therapy and after four weeks of TENS use: DN4, VAS scale, EORTC QLQ-C30 and FACT-L. Results: Two thirds (68%) of the patients with cisplatin-induced neuropathy were male and the majority were smokers (70%). Adenocarcinoma was the most common (38%), followed by squamous (33%) and small-cell carcinoma (28%). The application of TENS therapy had a positive effect on reducing the neuropathic pain and increasing the quality of life for patients with painful cisplatin-induced neuropathy. The VAS and DN4 scores significantly decreased after TENS therapy, in comparison to its values after cisplatin therapy (p < 0.001). After TENS therapy, patients had significantly higher values in most of the domains of EORTC QLQ-C30 and FACT- L, in comparison with the values after cisplatin therapy (p < 0.001). Conclusion: The application of TENS therapy has a positive effect on reducing neuropathic pain and increasing the quality of life for patients with lung cancer and cisplatin-induced neuropathy.
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Affiliation(s)
- Sanja Tomanovic Vujadinovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Nela Ilic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Ivan Selakovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Una Nedeljkovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Nevena Krstic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Natasa Mujovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Emilija Dubljanin Raspopovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Center for Physical Medicine and Rehabilitation, University Clinical Center of Serbia, 11000 Belgrade, Serbia
| | - Dragana Jovanovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinic of Pulmonology, University Clinical Center of Serbia, 11000 Belgrade, Serbia
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Gao C, Zhu Q, Gao Z, Zhao J, Jia M, Li T. Can noninvasive Brain Stimulation Improve Pain and Depressive Symptoms in Patients With Neuropathic Pain? A Systematic Review and Meta-Analysis. J Pain Symptom Manage 2022; 64:e203-e215. [PMID: 35550165 DOI: 10.1016/j.jpainsymman.2022.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/02/2022] [Accepted: 05/04/2022] [Indexed: 11/23/2022]
Abstract
CONTEXT Noninvasive brain stimulations (NIBS) have been increasingly applied to the patients with neuropathic pain (NP), while the effectiveness of NIBS in the management of NP is still conflicting. OBJECTIVES To examine the effectiveness of NIBS on pain and depression symptoms of patients with NP. METHODS A comprehensive literature retrieval was performed on MEDLINE, Embase, PsycINFO, PEDro, and CENTRAL from the establishment of the databases to June 2021. Randomized controlled trials comparing NIBS with sham stimulation were included. RESULTS A total of thirteen trials comprising 498 participants met the inclusion criteria. The pooled analysis found a significant effect on the improvement of pain scores at post-treatment, favoring NIBS over sham stimulation (SMD = -0.60; 95% CI: -1.00 to -0.20; P = 0.004). Subgroup analysis showed that only transcranial direct current stimulation (tDCS) (SMD = -0.38; 95% CI: -0.71 to -0.04; P = 0.030) and high-frequency repetitive transcranial magnetic stimulation (H-rTMS) (SMD = -0.95; 95% CI: -1.85 to -0.04; P = 0.040) had positive effects on pain reduction among all types of NIBS. The favorable effects of NIBS remained significant at follow-up visit (SMD = -0.51; 95% CI: -0.79 to -0.23; P = 0.000), while only H-rTMS was found in subgroup analyses to significantly improve pain scales of the patients (SMD = -0.54; 95% CI: -0.85 to -0.24; P = 0.000). Additionally, overall NIBS showed no beneficial effect over sham stimulation in reducing depression symptoms of NP patients either at post-treatment (SMD = -0.19; 95% CI: -0.39 to 0.01; P = 0.061) or at follow-up visit (SMD = -0.18; 95% CI: -0.45 to 0.10; P = 0.202). CONCLUSION This meta-analysis revealed the analgesic effect of NIBS on patients with NP, while no beneficial effect was observed on reducing concomitant depression symptoms. The findings recommended the clinical application of NIBS in patients with NP.
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Affiliation(s)
- Chengfei Gao
- Department of Rehabilitation Medicine (C.G., Q.Z., Z.G., T.L.), The Affiliated Hospital of Qingdao University, Qingdao, Shandong Provience, China
| | - Qixiu Zhu
- Department of Rehabilitation Medicine (C.G., Q.Z., Z.G., T.L.), The Affiliated Hospital of Qingdao University, Qingdao, Shandong Provience, China
| | - Zhengyu Gao
- Department of Rehabilitation Medicine (C.G., Q.Z., Z.G., T.L.), The Affiliated Hospital of Qingdao University, Qingdao, Shandong Provience, China
| | - Jinpeng Zhao
- Department of Cardiothoracic Surgery (J.Z.), Yantai Municipal Laiyang Central Hospital, Yantai, Shandong Provience, China
| | - Min Jia
- Department of Rehabilitation Medicine (M.J.), Jinan Municipal Hospital of Traditional Chinese Medicine, Jinan, Shandong Provience, China
| | - Tieshan Li
- Department of Rehabilitation Medicine (C.G., Q.Z., Z.G., T.L.), The Affiliated Hospital of Qingdao University, Qingdao, Shandong Provience, China.
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Treatment of Chronic Refractory Pain by Combined Deep Brain Stimulation of the Anterior Cingulum and Sensory Thalamus (EMOPAIN Study): Rationale and Protocol of a Feasibility and Safety Study. Brain Sci 2022; 12:brainsci12091116. [PMID: 36138852 PMCID: PMC9496880 DOI: 10.3390/brainsci12091116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Deep Brain Stimulation (DBS) of the sensory thalamus has been proposed for 40 years to treat medically refractory neuropathic pain, but its efficacy remains partial and unpredictable. Recent pilot studies of DBS targeting the ACC, a brain region involved in the integration of the affective, emotional, and cognitive aspects of pain, may improve patients suffering from refractory chronic pain. ACC-DBS could be complementary to thalamic DBS to treat both the sensory-discriminative and the affective components of chronic pain, but the safety of combined DBS, especially on cognition and affects, has not been studied. Methods: We propose a prospective, randomized, double-blind, and bicentric study to evaluate the feasibility and safety of bilateral ACC-DBS combined with unilateral thalamic DBS in adult patients suffering from chronic unilateral neuropathic pain, refractory to medical treatment. After a study period of six months, there is a cross-over randomized phase to compare the efficacy (evaluated by pain intensity and quality of life) and safety (evaluated by repeated neurological examination, psychiatric assessment, cognitive assessment, and assessment of affective functions) of combined ACC-thalamic DBS and thalamic DBS only, respectively. Discussion: The EMOPAIN study will show if ACC-DBS is a safe and effective therapy for patients suffering from chronic unilateral neuropathic pain, refractory to medical treatment. The design of the study will, for the first time, assess the efficacy of ACC-DBS combined with thalamic DBS in a blinded way.
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Kashyap K, Singh V, Dwivedi SN, Gielen J, Bhatnagar S. Scrambler Therapy Enhances Quality of Life in Cancer Patients in a Palliative Care Setting: A Randomised Controlled Trial. Indian J Palliat Care 2022; 28:287-294. [PMID: 36072252 PMCID: PMC9443118 DOI: 10.25259/ijpc_94_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 04/03/2022] [Indexed: 12/04/2022] Open
Abstract
Objectives: Given the known side effects of opioids and the negative impact of these side effects on quality of life (QOL), there is a need for therapies that can reduce opioid intake and improve QOL in patients suffering from cancer pain. Scrambler therapy (ST) is a neuromodulatory therapy that has been shown to reduce cancer pain, but its effect on QOL is not well understood. This study intended to evaluate the efficacy of ST for enhancing QOL in cancer patients through minimising pain and opioid intake. Material and Methods: This was a randomised controlled trial including 80 patients with head, neck and thoracic cancer. In both arms, patients were given pain management drugs following the WHO analgesic ladder for ten consecutive days. In the intervention arm each day ST was given. Pain, morphine intake, and QOL (WHOQOL-BREF) were assessed. Results: All domains of QOL improved significantly in the intervention arm in comparison to the control arm. In comparison to baseline, pain improved in both the intervention and the control arm on day 10 and at follow-up. However, QOL significantly improved in the intervention arm, while morphine intake decreased. In the control arm, QOL deteriorated, while morphine intake increased. Conclusion: ST significantly improved QOL. Since the increase in QOL took place along with a significantly lower morphine intake, the improvement in QOL may not only be explained by lower pain scores but, also, by a reduced intake of morphine, because the lower dosages of morphine will decrease the likelihood of side effects associated with the drug.
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Affiliation(s)
- Komal Kashyap
- Department of Oncoanaesthesia and Palliative Medicine, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India,
| | - Vishwajeet Singh
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India,
| | - Sada Nand Dwivedi
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India,
| | - Joris Gielen
- Center for Global Health Ethics, Duquesne University, Pittsburgh, Pennsylvania, United States,
| | - Sushma Bhatnagar
- Department of Oncoanaesthesia and Palliative Medicine, Dr. B. R. Ambedkar Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India,
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Mori N, Hosomi K, Nishi A, Oshino S, Kishima H, Saitoh Y. Analgesic Effects of Repetitive Transcranial Magnetic Stimulation at Different Stimulus Parameters for Neuropathic Pain: A Randomized Study. Neuromodulation 2022; 25:520-527. [PMID: 35670062 DOI: 10.1111/ner.13328] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/21/2020] [Accepted: 11/12/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVES The aim of the present study was to investigate the analgesic effects of repetitive transcranial magnetic stimulation over the primary motor cortex (M1-rTMS) using different stimulation parameters to explore the optimal stimulus condition for treating neuropathic pain. MATERIALS AND METHODS We conducted a randomized, blinded, crossover exploratory study. Four single sessions of M1-rTMS at different parameters were administered in random order. The tested stimulation conditions were as follows: 5-Hz with 500 pulses per session, 10-Hz with 500 pulses per session, 10-Hz with 2000 pulses per session, and sham stimulation. Analgesic effects were assessed by determining the visual analog scale (VAS) pain intensity score and Short-Form McGill Pain Questionnaire 2 (SF-MPQ2) score immediately before and immediately after intervention. RESULTS We enrolled 22 adults (age: 59.8 ± 12.1 years) with intractable neuropathic pain. Linear-effects models showed significant effects of the stimulation condition on changes in VAS pain intensity (p = 0.03) and SF-MPQ2 (p = 0.01). Tukey multiple comparison tests revealed that 10-Hz rTMS with 2000 pulses provided better pain relief than sham stimulation, with greater decreases in VAS pain intensity (p = 0.03) and SF-MPQ2 (p = 0.02). CONCLUSIONS The results of this study suggest that high-dose stimulation (specifically, 10-Hz rTMS at 2000 pulses) is more effective than lower-dose stimulation for treating neuropathic pain.
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Affiliation(s)
- Nobuhiko Mori
- Department of Neuromodulation and Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan; Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
| | - Koichi Hosomi
- Department of Neuromodulation and Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan; Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan.
| | - Asaya Nishi
- Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
| | - Satoru Oshino
- Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
| | - Haruhiko Kishima
- Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
| | - Youichi Saitoh
- Department of Neuromodulation and Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan; Department of Neurosurgery, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
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Shinu P, Morsy MA, Nair AB, Mouslem AKA, Venugopala KN, Goyal M, Bansal M, Jacob S, Deb PK. Novel Therapies for the Treatment of Neuropathic Pain: Potential and Pitfalls. J Clin Med 2022; 11:3002. [PMID: 35683390 PMCID: PMC9181614 DOI: 10.3390/jcm11113002] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 12/15/2022] Open
Abstract
Neuropathic pain affects more than one million people across the globe. The quality of life of people suffering from neuropathic pain has been considerably declining due to the unavailability of appropriate therapeutics. Currently, available treatment options can only treat patients symptomatically, but they are associated with severe adverse side effects and the development of tolerance over prolonged use. In the past decade, researchers were able to gain a better understanding of the mechanisms involved in neuropathic pain; thus, continuous efforts are evident, aiming to develop novel interventions with better efficacy instead of symptomatic treatment. The current review discusses the latest interventional strategies used in the treatment and management of neuropathic pain. This review also provides insights into the present scenario of pain research, particularly various interventional techniques such as spinal cord stimulation, steroid injection, neural blockade, transcranial/epidural stimulation, deep brain stimulation, percutaneous electrical nerve stimulation, neuroablative procedures, opto/chemogenetics, gene therapy, etc. In a nutshell, most of the above techniques are at preclinical stage and facing difficulty in translation to clinical studies due to the non-availability of appropriate methodologies. Therefore, continuing research on these interventional strategies may help in the development of promising novel therapies that can improve the quality of life of patients suffering from neuropathic pain.
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Affiliation(s)
- Pottathil Shinu
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mohamed A. Morsy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (M.A.M.); (A.B.N.); (A.K.A.M.); (K.N.V.)
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (M.A.M.); (A.B.N.); (A.K.A.M.); (K.N.V.)
| | - Abdulaziz K. Al Mouslem
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (M.A.M.); (A.B.N.); (A.K.A.M.); (K.N.V.)
| | - Katharigatta N. Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (M.A.M.); (A.B.N.); (A.K.A.M.); (K.N.V.)
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, Durban 4000, South Africa
| | - Manoj Goyal
- Department of Anesthesia Technology, College of Applied Medical Sciences in Jubail, Imam Abdul Rahman Bin Faisal University, Jubail 35816, Saudi Arabia;
| | - Monika Bansal
- Department of Neuroscience Technology, College of Applied Medical Sciences in Jubail, Imam Abdul Rahman Bin Faisal University, Jubail 35816, Saudi Arabia;
| | - Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates;
| | - Pran Kishore Deb
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Philadelphia University, Amman 19392, Jordan;
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Yang QH, Zhang YH, Du SH, Wang YC, Fang Y, Wang XQ. Non-invasive Brain Stimulation for Central Neuropathic Pain. Front Mol Neurosci 2022; 15:879909. [PMID: 35663263 PMCID: PMC9162797 DOI: 10.3389/fnmol.2022.879909] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 05/04/2022] [Indexed: 12/15/2022] Open
Abstract
The research and clinical application of the noninvasive brain stimulation (NIBS) technique in the treatment of neuropathic pain (NP) are increasing. In this review article, we outline the effectiveness and limitations of the NIBS approach in treating common central neuropathic pain (CNP). This article summarizes the research progress of NIBS in the treatment of different CNPs and describes the effects and mechanisms of these methods on different CNPs. Repetitive transcranial magnetic stimulation (rTMS) analgesic research has been relatively mature and applied to a variety of CNP treatments. But the optimal stimulation targets, stimulation intensity, and stimulation time of transcranial direct current stimulation (tDCS) for each type of CNP are still difficult to identify. The analgesic mechanism of rTMS is similar to that of tDCS, both of which change cortical excitability and synaptic plasticity, regulate the release of related neurotransmitters and affect the structural and functional connections of brain regions associated with pain processing and regulation. Some deficiencies are found in current NIBS relevant studies, such as small sample size, difficulty to avoid placebo effect, and insufficient research on analgesia mechanism. Future research should gradually carry out large-scale, multicenter studies to test the stability and reliability of the analgesic effects of NIBS.
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Affiliation(s)
- Qi-Hao Yang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yong-Hui Zhang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Shu-Hao Du
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yu-Chen Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yu Fang
- School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai, China
- *Correspondence: Yu Fang,
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, Shanghai, China
- Xue-Qiang Wang,
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Zolezzi DM, Alonso-Valerdi LM, Ibarra-Zarate DI. Chronic neuropathic pain is more than a perception: Systems and methods for an integral characterization. Neurosci Biobehav Rev 2022; 136:104599. [PMID: 35271915 DOI: 10.1016/j.neubiorev.2022.104599] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 10/18/2022]
Abstract
The management of chronic neuropathic pain remains a challenge, because pain is subjective, and measuring it objectively is usually out of question. However, neuropathic pain is also a signal provided by maladaptive neuronal activity. Thus, the integral management of chronic neuropathic pain should not only rely on the subjective perception of the patient, but also on objective data that measures the evolution of neuronal activity. We will discuss different objective and subjective methods for the characterization of neuropathic pain. Additionally, the gaps and proposals for an integral management of chronic neuropathic pain will also be discussed. The current management that relies mostly on subjective measures has not been sufficient, therefore, this has hindered advances in pain management and clinical trials. If an integral characterization is achieved, clinical management and stratification for clinical trials could be based on both questionnaires and neuronal activity. Appropriate characterization may lead to an increased effectiveness for new therapies, and a better quality of life for neuropathic pain sufferers.
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Affiliation(s)
- Daniela M Zolezzi
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Monterrey 64849, Nuevo León, México; Center for Neuroplasticity and Pain, Department of Health Science and Technology, Aalborg University, Aalborg 9220, Denmark.
| | | | - David I Ibarra-Zarate
- Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Puebla 72453, Puebla, México
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Bazzari AH, Bazzari FH. Advances in targeting central sensitization and brain plasticity in chronic pain. THE EGYPTIAN JOURNAL OF NEUROLOGY, PSYCHIATRY AND NEUROSURGERY 2022. [DOI: 10.1186/s41983-022-00472-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
AbstractMaladaptation in sensory neural plasticity of nociceptive pathways is associated with various types of chronic pain through central sensitization and remodeling of brain connectivity. Within this context, extensive research has been conducted to evaluate the mechanisms and efficacy of certain non-pharmacological pain treatment modalities. These include neurostimulation, virtual reality, cognitive therapy and rehabilitation. Here, we summarize the involved mechanisms and review novel findings in relation to nociceptive desensitization and modulation of plasticity for the management of intractable chronic pain and prevention of acute-to-chronic pain transition.
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Kannan P, Bello UM, Winser SJ. Physiotherapy interventions may relieve pain in individuals with central neuropathic pain: a systematic review and meta-analysis of randomised controlled trials. Ther Adv Chronic Dis 2022; 13:20406223221078672. [PMID: 35356293 PMCID: PMC8958718 DOI: 10.1177/20406223221078672] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/12/2022] [Indexed: 11/15/2022] Open
Abstract
Objectives: To evaluate the effectiveness of any form of physiotherapy intervention for the management of central neuropathic pain (cNeP) due to any underlying cause. Methods: Multiple databases were searched from inception until August 2021. Randomised controlled trials evaluating physiotherapy interventions compared to a control condition on pain among people with cNeP were included. Methodological quality and the quality of evidence were assessed using the Physiotherapy Evidence Database Scale and the Grading of Recommendations, Assessment, Development, and Evaluation tool, respectively. Results: The searches yielded 2661 studies, of which 23 randomised controlled trials met the inclusion criteria and were included in the meta-analyses. Meta-analyses of trials examining non-invasive neurostimulation revealed significant reductions in pain severity due to spinal cord injury (SCI; standardised mean difference (SMD): −0.59 (95% confidence interval [CI]: −1.07, −0.11), p = 0.02) and phantom limb pain (weighted mean difference (WMD): −1.57 (95% CI: −2.85, −0.29), p = 0.02). The pooled analyses of trials utilising acupuncture, transcutaneous electrical nerve stimulation (TENS), and mirror therapy showed significant reductions in pain severity among individuals with stroke (WMD: −1.46 (95% CI: −1.97, −0.94), p < 0.001), multiple sclerosis (SMD: −0.32 (95% CI: −0.57, −0.06), p = 0.01), and phantom limb pain (SMD: −0.74 (95% CI: −1.36, −0.11), p = 0.02), respectively. Exercise was also found to significantly reduce pain among people with multiple sclerosis (SMD: −1.58 (95% CI: −2.85, −0.30), p = 0.02). Conclusion: Evidence supports the use of non-invasive neurostimulation for the treatment of pain secondary to SCI and phantom limb pain. Beneficial pain management outcomes were also identified for acupuncture in stroke, TENS in multiple sclerosis, and mirror therapy in phantom limb pain.
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Affiliation(s)
- Priya Kannan
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Suite St532, 11, Yuk Choi Road, Hung HomKowloon 999077, Hong Kong
| | - Umar Muhammad Bello
- Centre for Eye and Vision Research (CEVR), The Hong Kong Polytechnic University, Kowloon, Hong Kong; Physiotherapy Department, Yobe State University Teaching Hospital (YSUTH), Damaturu, Nigeria
| | - Stanley John Winser
- Department of Rehabilitation Sciences, Research Centre for SHARP Vision (RCSV), The Hong Kong Polytechnic University, Kowloon, Hong Kong
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Zarei AA, Jensen W, Faghani Jadidi A, Lontis R, Atashzar SF. Gamma-band Enhancement of Functional Brain Connectivity Following Transcutaneous Electrical Nerve Stimulation. J Neural Eng 2022; 19. [PMID: 35234662 DOI: 10.1088/1741-2552/ac59a1] [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: 11/30/2021] [Accepted: 03/01/2022] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Transcutaneous electrical nerve stimulation (TENS) has been suggested as a possible non-invasive pain treatment. However, the underlying mechanism of the analgesic effect of TENS and how brain network functional connectivity is affected following the use of TENS is not yet fully understood. The purpose of this study was to investigate the effect of high-frequency TENS on the alternation of functional brain network connectivity and the corresponding topographical changes, besides perceived sensations. APPROACH Forty healthy subjects participated in this study. EEG data and sensory profiles were recorded before and up to an hour following high-frequency TENS (100 Hz) in sham and intervention groups. Brain source activity from EEG data was estimated using the LORETA algorithm. In order to generate the brain connectivity network, the Phase lag index was calculated for all pair-wise connections of eight selected brain areas over six different frequency bands (i.e., δ, θ, α, β, γ, and 0.5-90 Hz). MAIN RESULTS The results suggested that the functional connectivity between the primary somatosensory cortex (SI) and the anterior cingulate cortex (ACC), in addition to functional connectivity between S1 and the medial prefrontal cortex (mPFC), were significantly increased in the gamma-band, following the TENS intervention. Additionally, using graph theory, several significant changes were observed in global and local characteristics of functional brain connectivity in gamma-band. SIGNIFICANCE Our observations in this paper open a neuropsychological window of understanding the underlying mechanism of TENS and the corresponding changes in functional brain connectivity, simultaneously with alternation in sensory perception.
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Affiliation(s)
- Ali Asghar Zarei
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg Universitet, Fredrik Bajers Vej 7 D3, Aalborg, 9220, DENMARK
| | - Winnie Jensen
- Center for Sensory-Motor Interaction Department of Health Science and Technology, Aalborg University, Fredrik Bajers Vej 7, 9220 Aalborg, Aalborg, 9220, DENMARK
| | - Armita Faghani Jadidi
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg Universitet, Fredrik Bajers Vej 7 D3, Aalborg, 9220, DENMARK
| | - Romulus Lontis
- Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg Universitet, Fredrik Bajers Vej 7 D3, Aalborg, 9220, DENMARK
| | - S Farokh Atashzar
- Departments of Electrical and Computer Engineering, and Mechanical and Aerospace Engineering, New York University, 5 MetroTech Center #266D Brooklyn, NY 11201, New York, New York, NY 11201, UNITED STATES
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