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Rai R, Singh V, Ahmad Z, Jain A, Jat D, Mishra SK. Autonomic neuronal modulations in cardiac arrhythmias: Current concepts and emerging therapies. Physiol Behav 2024; 279:114527. [PMID: 38527577 DOI: 10.1016/j.physbeh.2024.114527] [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: 02/19/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
The pathophysiology of atrial fibrillation and ventricular tachycardia that result in cardiac arrhythmias is related to the sustained complicated mechanisms of the autonomic nervous system. Atrial fibrillation is when the heart beats irregularly, and ventricular arrhythmias are rapid and inconsistent heart rhythms, which involves many factors including the autonomic nervous system. It's a complex topic that requires careful exploration. Cultivation of speculative knowledge on atrial fibrillation; the irregular rhythm of the heart and ventricular arrhythmias; rapid oscillating waves resulting from mistakenly inconsistent P waves, and the inclusion of an autonomic nervous system is an inconceivable approach toward clinical intricacies. Autonomic modulation, therefore, acquires new expansions and conceptions of appealing therapeutic intelligence to prevent cardiac arrhythmia. Notably, autonomic modulation uses the neural tissue's flexibility to cause remodeling and, hence, provide therapeutic effects. In addition, autonomic modulation techniques included stimulation of the vagus nerve and tragus, renal denervation, cardiac sympathetic denervation, and baroreceptor activation treatment. Strong preclinical evidence and early human studies support the annihilation of cardiac arrhythmias by sympathetic and parasympathetic systems to transmigrate the cardiac myocytes and myocardium as efficient determinants at the cellular and physiological levels. However, the goal of this study is to draw attention to these promising early pre-clinical and clinical arrhythmia treatment options that use autonomic modulation as a therapeutic modality to conquer the troublesome process of irregular heart movements. Additionally, we provide a summary of the numerous techniques for measuring autonomic tone such as heart rate oscillations and its association with cutaneous sympathetic nerve activity appear to be substitute indicators and predictors of the outcome of treatment.
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Affiliation(s)
- Ravina Rai
- Department of Zoology, School of Biological Sciences, Dr. Harisingh Gour Central University, Sagar 470003 MP, India
| | - Virendra Singh
- School of Biochemical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005 UP, India
| | - Zaved Ahmad
- Department of Zoology, School of Biological Sciences, Dr. Harisingh Gour Central University, Sagar 470003 MP, India
| | - Abhishek Jain
- Sanjeevani Diabetes and Heart Care Centre, Shri Chaitanya Hospital, Sagar, 470002, MP, India
| | - Deepali Jat
- Department of Zoology, School of Biological Sciences, Dr. Harisingh Gour Central University, Sagar 470003 MP, India.
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Bernaerts L, Roelant E, Lecomte F, Moens M, Van Buyten JP, Billet B, Bryon B, Puylaert M, Turgay T, Malone M, Theys T, Van Zundert J, Berquin A, Crombez E, De Coster O, Vangeneugden J, Ly HG, Louagie M, Hans GH. Large-scale real-world data on a multidisciplinary approach to spinal cord stimulation for persistent spinal pain syndromes: first evaluation of the Neuro-Pain ® nationwide screening and follow-up interactive register. Front Neurosci 2024; 18:1322105. [PMID: 38586192 PMCID: PMC10996860 DOI: 10.3389/fnins.2024.1322105] [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: 10/15/2023] [Accepted: 02/26/2024] [Indexed: 04/09/2024] Open
Abstract
Introduction Spinal cord stimulation is a common treatment option for neuropathic pain conditions. Despite its extensive use and multiple technological evolutions, long term efficacy of spinal cord stimulation is debated. Most studies on spinal cord stimulation include a rather limited number of patients and/or follow-ups over a limited period. Therefore, there is an urgent need for real-world, long-term data. Methods In 2018, the Belgian government initiated a nationwide secure platform for the follow-up of all new and existing spinal cord stimulation therapies. This is a unique approach used worldwide. Four years after the start of centralized recording, the first global extraction of data was performed. Results Herein, we present the findings, detailing the different steps in the centralized procedure, as well as the observed patient and treatment characteristics. Furthermore, we identified dropouts during the screening process, the reasons behind discontinuation, and the evolution of key indicators during the trial period. In addition, we obtained the first insights into the evolution of the clinical impact of permanent implants on the overall functioning and quality of life of patients in the long-term. Discussion Although these findings are the results of the first data extraction, some interesting conclusions can be drawn. The long-term outcomes of neuromodulation are complex and subject to many variables. Future data extraction will allow us to identify these confounding factors and the early predictors of success. In addition, we will propose further optimization of the current process.
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Affiliation(s)
- Lisa Bernaerts
- Multidisciplinary Pain Center, Antwerp University Hospital, Antwerp, Belgium
| | - Ella Roelant
- Clinical Trial Center (CTC), CRC Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Frederic Lecomte
- National Institute for Health and Disability Insurance, Brussels, Belgium
| | - Maarten Moens
- Department of Neurosurgery, University Hospital Brussels, Brussels, Belgium
| | | | - Bart Billet
- Multidisciplinary Pain Center, AZ Delta, Roeselare, Belgium
| | - Bart Bryon
- Multidisciplinary Pain Center, AZ Turnhout, Turnhout, Belgium
| | - Martine Puylaert
- Multidisciplinary Pain Center, Ziekenhuis Oost-Limburg, Genk, Belgium
| | - Tuna Turgay
- Multidisciplinary Pain Center, Hôpital Erasme, ULB, Brussels, Belgium
| | - Maureen Malone
- Multidisciplinary Pain Center, AZ Klina, Brasschaat, Belgium
| | - Tom Theys
- Department of Neurosurgery, University Hospitals Leuven, Leuven, Belgium
| | - Jan Van Zundert
- Multidisciplinary Pain Center, Ziekenhuis Oost-Limburg, Genk, Belgium
| | - Anne Berquin
- Department of Physical and Rehabilitation Medicine, Cliniques Universitaires UCL, St. Luc, Brussels, Belgium
| | - Erwin Crombez
- Multidisciplinary Pain Center, Ghent University Hospital, Ghent, Belgium
| | | | | | - Huynh Giao Ly
- National Institute for Health and Disability Insurance, Brussels, Belgium
| | - Marleen Louagie
- National Institute for Health and Disability Insurance, Brussels, Belgium
| | - Guy Henri Hans
- Multidisciplinary Pain Center, Antwerp University Hospital, Antwerp, Belgium
- Clinical Trial Center (CTC), CRC Antwerp, Antwerp University Hospital, Antwerp, Belgium
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Malik RN, Samejima S, Shackleton C, Miller T, Pedrocchi ALG, Rabchevsky AG, Moritz CT, Darrow D, Field-Fote EC, Guanziroli E, Ambrosini E, Molteni F, Gad P, Mushahwar VK, Sachdeva R, Krassioukov AV. REPORT-SCS: minimum reporting standards for spinal cord stimulation studies in spinal cord injury. J Neural Eng 2024; 21:016019. [PMID: 38271712 DOI: 10.1088/1741-2552/ad2290] [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: 09/11/2023] [Accepted: 01/25/2024] [Indexed: 01/27/2024]
Abstract
Objective.Electrical spinal cord stimulation (SCS) has emerged as a promising therapy for recovery of motor and autonomic dysfunctions following spinal cord injury (SCI). Despite the rise in studies using SCS for SCI complications, there are no standard guidelines for reporting SCS parameters in research publications, making it challenging to compare, interpret or reproduce reported effects across experimental studies.Approach.To develop guidelines for minimum reporting standards for SCS parameters in pre-clinical and clinical SCI research, we gathered an international panel of expert clinicians and scientists. Using a Delphi approach, we developed guideline items and surveyed the panel on their level of agreement for each item.Main results.There was strong agreement on 26 of the 29 items identified for establishing minimum reporting standards for SCS studies. The guidelines encompass three major SCS categories: hardware, configuration and current parameters, and the intervention.Significance.Standardized reporting of stimulation parameters will ensure that SCS studies can be easily analyzed, replicated, and interpreted by the scientific community, thereby expanding the SCS knowledge base and fostering transparency in reporting.
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Affiliation(s)
- Raza N Malik
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Soshi Samejima
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Claire Shackleton
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Tiev Miller
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Alessandra Laura Giulia Pedrocchi
- Nearlab, Department di Electronics, Information and Bioengineering, and We-Cobot Laboratory, Polo Territoriale di Lecco, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Alexander G Rabchevsky
- Spinal Cord & Brain Injury Research Center, Department of Physiology, University of Kentucky, Lexington, KY, United States of America
| | - Chet T Moritz
- Departments of Electrical & Computer Engineering, Rehabilitation Medicine, and Physiology & Biophysics, and the Center for Neurotechnology, University of Washington, Seattle, WA, United States of America
| | - David Darrow
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, United States of America
- Department of Neurosurgery, Hennepin County Medical Center, Minneapolis, MN, United States of America
| | - Edelle C Field-Fote
- Shepherd Center, Crawford Research Institute, Atlanta, Georgia, United States of America
- Emory University School of Medicine, Division of Physical Therapy, Atlanta, Georgia, United States of America
- Georgia Institute of Technology, School of Biological Sciences, Program in Applied Physiology, Atlanta, Georgia, United States of America
| | - Eleonora Guanziroli
- Villa Beretta Rehabilitation Center, Valduce Hospital, Costa Masnaga, Lecco, Italy
| | - Emilia Ambrosini
- Nearlab, Department di Electronics, Information and Bioengineering, and We-Cobot Laboratory, Polo Territoriale di Lecco, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Franco Molteni
- Villa Beretta Rehabilitation Center, Valduce Hospital, Costa Masnaga, Lecco, Italy
| | - Parag Gad
- SpineX Inc., Los Angeles, Los Angeles, CA, United States of America
| | - Vivian K Mushahwar
- Department of Medicine and Sensory Motor Adaptive Rehabilitation Technology (SMART) Network, University of Alberta, Edmonton, Alberta, Canada
| | - Rahul Sachdeva
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Andrei V Krassioukov
- International Collaboration on Repair Discoveries, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
- Spinal Cord Research Program, G.F. Strong Rehabilitation Centre, Vancouver Coastal Health, Vancouver, British Columbia, Canada
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Law M, Sachdeva R, Darrow D, Krassioukov A. Cardiovascular Effects of Spinal Cord Stimulation: The Highs, the Lows, and the Don't Knows. Neuromodulation 2023:S1094-7159(23)00714-6. [PMID: 37665302 DOI: 10.1016/j.neurom.2023.07.010] [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: 05/30/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023]
Abstract
BACKGROUND AND OBJECTIVES There are many potential etiologies of impaired cardiovascular control, from chronic stress to neurodegenerative conditions or central nervous system lesions. Since 1959, spinal cord stimulation (SCS) has been reported to modulate blood pressure (BP), heart rate (HR), and HR variability (HRV), yet the specific stimulation sites and parameters to induce a targeted cardiovascular (CV) change for mitigating abnormal hemodynamics remain unclear. To investigate the ability and parameters of SCS to modulate the CV, we reviewed clinical studies using SCS with reported HR, BP, or HRV findings. MATERIALS AND METHODS A keyword-based electronic search was conducted through MEDLINE, Embase, and PubMed data bases, last searched on February 3, 2023. Inclusion criteria were studies with human participants receiving SCS with comparison with SCS turned off, with reporting of either HR, HRV, or BP findings. Non-English studies, conference abstracts, and studies not reporting standalone effects of SCS when comparing SCS with non-SCS interventions were excluded. Results were plotted for visual analysis. When available, participant-specific stimulation parameters and effects were extracted and quantitatively analyzed using ordinary least squares regression. RESULTS A total of 59 studies were included in this review; 51 studies delivered SCS invasively through implanted/percutaneous leads. Eight studies used noninvasive, transcutaneous electrodes. We found numerous reports of cervical, high thoracic, and mid-to-low thoracolumbar SCS increasing resting BP, and cervical/mid-to-low thoracolumbar SCS decreasing BP. The effect of SCS location on HR and HRV was equivocal. We were unable to analyze stimulation parameters owing to inadequate parameter reporting in many publications. CONCLUSIONS Our findings suggest CV neuromodulation, particularly BP modulation, with SCS to be a promising frontier. Further research with larger randomized controlled trials and detailed reporting of SCS parameters will be necessary for appropriate evaluation of SCS as a CV therapy.
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Affiliation(s)
- Marco Law
- International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Rahul Sachdeva
- International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
| | - David Darrow
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, USA; Division of Neurosurgery, Hennepin County Medical Center, Minneapolis, MN, USA
| | - Andrei Krassioukov
- International Collaboration on Repair Discoveries, University of British Columbia, Vancouver, BC, Canada; Department of Medicine, University of British Columbia, Vancouver, BC, Canada; G.F. Strong Rehabilitation Centre, Vancouver Coastal Health, Vancouver, BC, Canada
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Singh RE, Ahmadi A, Parr AM, Samadani U, Krassioukov AV, Netoff TI, Darrow DP. Epidural stimulation restores muscle synergies by modulating neural drives in participants with sensorimotor complete spinal cord injuries. J Neuroeng Rehabil 2023; 20:59. [PMID: 37138361 PMCID: PMC10155428 DOI: 10.1186/s12984-023-01164-1] [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: 06/13/2022] [Accepted: 03/30/2023] [Indexed: 05/05/2023] Open
Abstract
Multiple studies have corroborated the restoration of volitional motor control after motor-complete spinal cord injury (SCI) through the use of epidural spinal cord stimulation (eSCS), but rigorous quantitative descriptions of muscle coordination have been lacking. Six participants with chronic, motor and sensory complete SCI underwent a brain motor control assessment (BMCA) consisting of a set of structured motor tasks with and without eSCS. We investigated how muscle activity complexity and muscle synergies changed with and without stimulation. We performed this analysis to better characterize the impact of stimulation on neuromuscular control. We also recorded data from nine healthy participants as controls. Competition exists between the task origin and neural origin hypotheses underlying muscle synergies. The ability to restore motor control with eSCS in participants with motor and sensory complete SCI allows us to test whether changes in muscle synergies reflect a neural basis in the same task. Muscle activity complexity was computed with Higuchi Fractal Dimensional (HFD) analysis, and muscle synergies were estimated using non-negative matrix factorization (NNMF) in six participants with American Spinal Injury Association (ASIA) Impairment Score (AIS) A. We found that the complexity of muscle activity was immediately reduced by eSCS in the SCI participants. We also found that over the follow-up sessions, the muscle synergy structure of the SCI participants became more defined, and the number of synergies decreased over time, indicating improved coordination between muscle groups. Lastly, we found that the muscle synergies were restored with eSCS, supporting the neural hypothesis of muscle synergies. We conclude that eSCS restores muscle movements and muscle synergies that are distinct from those of healthy, able-bodied controls.
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Affiliation(s)
- Rajat Emanuel Singh
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
- Department of Kinesiology, Northwestern College, Orange, IA, USA
| | - Aliya Ahmadi
- Division of Neurosurgery, Hennepin County Medical Center, Minneapolis, MN, USA
| | - Ann M Parr
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, USA
| | - Uzma Samadani
- Department of Bioinformatics & Computational Biology, UMN, Minneapolis, MN, USA
- Minneapolis Veteran Affairs Medical Center, Minneapolis, MN, USA
| | - Andrei V Krassioukov
- International Collaboration on Repair Discoveries (ICORD), University of British Columbia (UBC), Vancouver, Canada
- Division of Physical Medicine & Rehabilitation, Department of Medicine, UBC, British Columbia , BC, Canada
- GF Strong Rehabilitation Center, Vancouver Coastal Health, Vancouver, BC, Canada
| | - Theoden I Netoff
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - David P Darrow
- Division of Neurosurgery, Hennepin County Medical Center, Minneapolis, MN, USA.
- Department of Neurosurgery, University of Minnesota, Minneapolis, MN, USA.
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Lucci VEM. Recent updates in autonomic research: advances in the understanding of autonomic dysfunction after spinal cord injury. Clin Auton Res 2023; 33:83-85. [PMID: 37071264 DOI: 10.1007/s10286-023-00944-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 04/19/2023]
Affiliation(s)
- Vera-Ellen M Lucci
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.
- International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada.
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