Dataset Information

Recovery of volitional movement with epidural stimulation after "complete" spinal cord injury due to gunshot: A case report and literature review.

ABSTRACT:

Background

Epidural spinal cord stimulation (eSCS) restores volitional movement and improves autonomic function after nonpenetrating and traumatic spinal cord injury (SCI). There is limited evidence of its utility for penetrating SCI (pSCI).

Case description

A 25-year-old male sustained a gunshot wound (GSW) resulting in T6 motor/sensory paraplegia and complete loss of bowel and bladder function. Following eSCS placement, he regained partial volitional movement and has independent bowel movements 40% of the time.

Conclusion

A 25-year-old pSCI patient who, following a GSW resulting in T6-level paraplegia, sustained marked recovery of volitional movement and autonomic function following eSCS placement.

SUBMITTER: Gupta R

PROVIDER: S-EPMC9990798 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Publications

Recovery of volitional movement with epidural stimulation after "complete" spinal cord injury due to gunshot: A case report and literature review.

Gupta Rishabh R Johnson Reid R Samadani Uzma U

Surgical neurology international 20230224

<h4>Background</h4>Epidural spinal cord stimulation (eSCS) restores volitional movement and improves autonomic function after nonpenetrating and traumatic spinal cord injury (SCI). There is limited evidence of its utility for penetrating SCI (pSCI).<h4>Case description</h4>A 25-year-old male sustained a gunshot wound (GSW) resulting in T6 motor/sensory paraplegia and complete loss of bowel and bladder function. Following eSCS placement, he regained partial volitional movement and has independent ...[more]

PMID: 36895241

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Project description:Background: Chronic spinal cord injury (SCI) portends a low probability of recovery, especially in the most severe subset of motor-complete injuries. Active spinal cord stimulation with or without intensive locomotor training has been reported to restore movement after traumatic SCI. Only three cases have been reported where participants developed restored volitional movement with active stimulation turned off after a period of chronic stimulation and only after intensive rehabilitation with locomotor training. It is unknown whether restoration of movement without stimulation is possible after stimulation alone. Objective: We describe the development of spontaneous volitional movement (SVM) without active stimulation in a subset of participants in the Epidural Stimulation After Neurologic Damage (ESTAND) trial, in which locomotor training is not prescribed as part of the study protocol, and subject's rehabilitation therapies are not modified. Methods: Volitional movement was evaluated with the Brain Motor Control Assessment using sEMG recordings and visual examination at baseline and at follow-up visits with and without stimulation. Additional functional assessment with a motor-assisted bicycle exercise at follow-up with and without stimulation identified generated work with and without effort. Results: The first seven participants had ASIA Impairment Scale (AIS) A or B thoracic SCI, a mean age of 42 years, and 7.7 years post-injury on average. Four patients developed evidence of sustained volitional movement, even in the absence of active stimulation after undergoing chronic epidural spinal cord stimulation (eSCS). Significant increases in volitional power were found between those observed to spontaneously move without stimulation and those unable (p < 0.0005). The likelihood of recovery of spontaneous volitional control was correlated with spasticity scores prior to the start of eSCS therapy (p = 0.048). Volitional power progressively improved over time (p = 0.016). Additionally, cycling was possible without stimulation (p < 0.005). Conclusion: While some SVM after eSCS has been reported in the literature, this study demonstrates sustained restoration without active stimulation after long-term eSCS stimulation in chronic and complete SCI in a subset of participants. This finding supports previous studies suggesting that "complete" SCI is likely not as common as previously believed, if it exists at all in the absence of transection and that preserved pathways are substrates for eSCS-mediated recovery in clinically motor-complete SCI. Clinical Trial Registration: www.ClinicalTrials.gov, identifier NCT03026816.

Project description:IntroductionSpinal cord injury (SCI) leads to significant changes in morbidity, mortality and quality of life (QOL). Currently, there are no effective therapies to restore function after chronic SCI. Preliminary studies have indicated that epidural spinal cord stimulation (eSCS) is a promising therapy to improve motor control and autonomic function for patients with chronic SCI. The aim of this study is to assess the effects of tonic eSCS after chronic SCI on quantitative outcomes of volitional movement and cardiovascular function. Our secondary objective is to optimise spinal cord stimulation parameters for volitional movement.Methods and analysisThe Epidural Stimulation After Neurologic Damage (ESTAND) trial is a phase II single-site self-controlled trial of epidural stimulation with the goal of restoring volitional movement and autonomic function after motor complete SCI. Participants undergo epidural stimulator implantation and are followed up over 15 months while completing at-home, mobile application-based movement testing. The primary outcome measure integrates quantity of volitional movement and similarity to normal controls using the volitional response index (VRI) and the modified Brain Motor Control Assessment. The mobile application is a custom-designed platform to support participant response and a kinematic task to optimise the settings for each participant. The application optimises stimulation settings by evaluating the parameter space using movement data collected from the tablet application and accelerometers. A subgroup of participants with cardiovascular dysautonomia are included for optimisation of blood pressure stabilisation. Indirect effects of stimulation on cardiovascular function, pain, sexual function, bowel/bladder, QOL and psychiatric measures are analysed to assess generalisability of this targeted intervention.Ethics and disseminationThis study has been approved after full review by the Minneapolis Medical Research Foundation Institutional Review Board and by the Minneapolis VA Health Care System. This project has received Food and Drug Administration investigational device exemption approval. Trial results will be disseminated through peer-reviewed publications, conference presentations and seminars.Trial registration numberNCT03026816.

Dataset Information

Recovery of volitional movement with epidural stimulation after "complete" spinal cord injury due to gunshot: A case report and literature review.

Background

Case description

Conclusion

Publications

Recovery of volitional movement with epidural stimulation after "complete" spinal cord injury due to gunshot: A case report and literature review.

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