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Håkansson S, Tuci M, Bolliger M, Curt A, Jutzeler CR, Brüningk SC. Data-driven prediction of spinal cord injury recovery: An exploration of current status and future perspectives. Exp Neurol 2024; 380:114913. [PMID: 39097073 DOI: 10.1016/j.expneurol.2024.114913] [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: 04/30/2024] [Revised: 07/24/2024] [Accepted: 07/30/2024] [Indexed: 08/05/2024]
Abstract
Spinal Cord Injury (SCI) presents a significant challenge in rehabilitation medicine, with recovery outcomes varying widely among individuals. Machine learning (ML) is a promising approach to enhance the prediction of recovery trajectories, but its integration into clinical practice requires a thorough understanding of its efficacy and applicability. We systematically reviewed the current literature on data-driven models of SCI recovery prediction. The included studies were evaluated based on a range of criteria assessing the approach, implementation, input data preferences, and the clinical outcomes aimed to forecast. We observe a tendency to utilize routinely acquired data, such as International Standards for Neurological Classification of SCI (ISNCSCI), imaging, and demographics, for the prediction of functional outcomes derived from the Spinal Cord Independence Measure (SCIM) III and Functional Independence Measure (FIM) scores with a focus on motor ability. Although there has been an increasing interest in data-driven studies over time, traditional machine learning architectures, such as linear regression and tree-based approaches, remained the overwhelmingly popular choices for implementation. This implies ample opportunities for exploring architectures addressing the challenges of predicting SCI recovery, including techniques for learning from limited longitudinal data, improving generalizability, and enhancing reproducibility. We conclude with a perspective, highlighting possible future directions for data-driven SCI recovery prediction and drawing parallels to other application fields in terms of diverse data types (imaging, tabular, sequential, multimodal), data challenges (limited, missing, longitudinal data), and algorithmic needs (causal inference, robustness).
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Affiliation(s)
- Samuel Håkansson
- ETH Zürich, Department of Health Sciences and Technology (D-HEST), Zürich, Switzerland; Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland.
| | - Miklovana Tuci
- ETH Zürich, Department of Health Sciences and Technology (D-HEST), Zürich, Switzerland; Spinal Cord Injury Center, University Hospital Balgrist, University of Zürich, Switzerland
| | - Marc Bolliger
- Spinal Cord Injury Center, University Hospital Balgrist, University of Zürich, Switzerland
| | - Armin Curt
- Spinal Cord Injury Center, University Hospital Balgrist, University of Zürich, Switzerland
| | - Catherine R Jutzeler
- ETH Zürich, Department of Health Sciences and Technology (D-HEST), Zürich, Switzerland; Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Sarah C Brüningk
- ETH Zürich, Department of Health Sciences and Technology (D-HEST), Zürich, Switzerland; Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
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2
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Juszczak M, Shem K, Elliott CS. The Role of Upper Extremity Motor Function in the Choice of Bladder Management in Those Unable to Volitionally Void due to Neurologic Dysfunction. Urol Clin North Am 2024; 51:263-275. [PMID: 38609198 DOI: 10.1016/j.ucl.2024.01.002] [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] [Indexed: 04/14/2024]
Abstract
It is estimated that 425,000 individuals with neurologic bladder dysfunction (spinal cordinjury, spina bifida and multiple sclerosis) are unable to volitionally void and must rely oncatheter drainage. Upper extremity (UE) motor function is one of the most important factors indetermining the type of bladder management chosen in individuals who cannot volitionally void. Novel bladder management solutions for those with impaired UE motor function and concurrent impairments involitional voiding continue to be an area of need. Those with poor UE motor function more often choose an indwelling catheter, whereas those with normal UE motor function more often choose clean intermittent catheterization.
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Affiliation(s)
- Michael Juszczak
- Department of Physical Medicine and Rehabilitation, Tower Health, Reading Hospital Rehabilitation at Wyomissing, Reading, PA 19610, USA
| | - Kazuko Shem
- Department of Physical Medicine and Rehabilitation, Santa Clara Valley Medical Center, San Jose, CA 95128, USA
| | - Christopher S Elliott
- Division of Urology, Department of Urology, Stanford University Medical Center, Santa Clara Valley Medical Center, Valley Specialties Center-Division of Urology, 4th Floor, 751 South Bascom Avenue, San Jose, CA 95128, USA.
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Zhang F, Carnahan J, Ravi M, Bheemreddy A, Kirshblum S, Forrest GF. Combining Spinal Cord Transcutaneous Stimulation with Activity-based Training to Improve Upper Extremity Function Following Cervical Spinal Cord Injury . ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2023; 2023:1-4. [PMID: 38082735 DOI: 10.1109/embc40787.2023.10340976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Recovery of upper extremity (UE) function is the top priority following cervical spinal cord injury (SCI); even partial function restoration would greatly improve the quality of their life and thus remains an important goal in SCI rehabilitation. Current clinical therapies focus on promoting neuroplasticity by performing task-specific activities with high intensity and high repetition. Repetitive training, paired with functional electrical, somatosensory, or transcranial magnetic stimulation, has been evaluated to augment functional recovery in chronic SCI, but improvements were modest. Evidence has demonstrated that the non-invasive spinal cord transcutaneous stimulation (scTS) can increase the excitability of spinal circuits and facilitate the weak or silent descending drive for restoration of sensorimotor function. Currently, we are conducting a multicenter randomized clinical trial to investigate the efficacy and potential mechanisms of scTS combined with activity-based training (ABT) to facilitate UE function recovery in individuals with tetraplegia. The preliminary outcomes from our four individuals with complete and incomplete injury demonstrated that the combination of scTS and ABT led to immediate and sustained (for up to 1-month follow-up) UE function recovery. Notably, one individual with motor complete injury showed a 5-fold improvement in UE function quantified by the Graded Redefined Assessment of Strength, Sensibility, and Prehension following scTS+ABT, as compared to receiving ABT alone. These functional gains were also reflected in the increased spinal excitability by measuring the scTS-evoked muscle response of UE motor pools, suggesting physiological evidence of reorganization of the non-functional, but surviving spinal networks after spinal transcutaneous stimulation.Clinical Relevance-This study offered the preliminary efficacy of combining scTS and ABT to facilitate UE function recovery following cervical SCI.
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Vijay P, Sureka RK. Development, Content Validity and Reliability of Upper Extremity Functional Skill Measure in C5-C7 Spinal Cord Injury. Cureus 2023; 15:e37599. [PMID: 37197110 PMCID: PMC10184714 DOI: 10.7759/cureus.37599] [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: 03/23/2023] [Accepted: 04/13/2023] [Indexed: 05/19/2023] Open
Abstract
STUDY DESIGN A methodological research design. OBJECTIVE To create an objective measure for assessing hand functions in C5-C7 spinal cord injury (SCI) and estimation of its content validity and internal consistency reliability. METHOD This study was executed in three phases. Phase 1 included a thorough review of the literature, semi-structured in-depth interviews of participants with tetraplegia and interviews of caregivers of SCI individuals and healthcare workers dealing with SCI to understand the hand functions of individuals with C5-C7 SCI. Phase 2 consisted of the development of the tool. The content validity ratio (CVR) method and the opinion of the expert validated the content of the upper extremity functional skill measure (UEFSM). Phase 3 included a quantitative evaluation of the tool which was done on a targeted group of 30 subjects with C5-C7 SCI. RESULTS Through the review of the literature and in-depth interview of the participants, 11 items were developed under four content areas: grasp, grip, pinch and gross movement. Items with a minimum CVR of 0.56 were retained at a significance level of p = 0.05 resulting in a 10-item tool for assessing the hand function of individuals with C5-C7 SCI categorized under four subscales. Pilot testing on 10 subjects reveals an average time of 2 minutes and 25 seconds to complete the task. The Cronbach's alpha was found to be 0.878. CONCLUSION UEFSM is a 10-item tool with good content validity and internal consistency reliability for the assessment of hand functions in individuals with C5-C7 SCI.
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Affiliation(s)
- Priyanka Vijay
- Department of Occupational Therapy, Mahatma Gandhi Occupational Therapy College, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur, IND
| | - Rajendra Kumar Sureka
- Department of Neurology, Mahatma Gandhi University of Medical Sciences and Technology, Jaipur, IND
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Balbinot G, Li G, Gauthier C, Musselman KE, Kalsi-Ryan S, Zariffa J. Functional electrical stimulation therapy for upper extremity rehabilitation following spinal cord injury: a pilot study. Spinal Cord Ser Cases 2023; 9:11. [PMID: 37005407 PMCID: PMC10067812 DOI: 10.1038/s41394-023-00568-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 04/04/2023] Open
Abstract
STUDY DESIGN Pilot study. OBJECTIVES To examine if functional electrical stimulation therapy (FEST) improves neuromuscular factors underlying upper limb function in individuals with SCI. SETTING A tertiary spinal cord rehabilitation center specialized in spinal cord injury care in Canada. METHODS We examined 29 muscles from 4 individuals living with chronic, cervical, and incomplete SCI. The analysis was focused on the changes in muscle activation, as well as on how the treatment could change the ability to control a given muscle or on how multiple muscles would be coordinated during volitional efforts. RESULTS There was evidence of gains in muscle strength, activation, and median frequency after the FEST. Gains in muscle activation indicated the activation of a greater number of motor units and gains in muscle median frequency the involvement of higher threshold, faster motor units. In some individuals, these changes were smaller but accompanied by increased control over muscle contraction, evident in a greater ability to sustain a volitional contraction, reduce the co-contraction of antagonist muscles, and provide cortical drive. CONCLUSIONS FEST increases muscle strength and activation. Enhanced control of muscle contraction, reduced co-contraction of antagonist muscles, and a greater presence of cortical drive were some of the findings supporting the effects of FEST at the sensory-motor integration level.
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Affiliation(s)
- Gustavo Balbinot
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada.
| | - Guijin Li
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Cindy Gauthier
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Kristin E Musselman
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - Sukhvinder Kalsi-Ryan
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - José Zariffa
- KITE Research Institute, University Health Network, Toronto, ON, M5G 2A2, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada
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Arcidiacone S, Panuccio F, Tusoni F, Galeoto G. A systematic review of the measurement properties of the Michigan Hand Outcomes Questionnaire (MHQ). HAND SURGERY & REHABILITATION 2022; 41:542-551. [PMID: 35995419 DOI: 10.1016/j.hansur.2022.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 08/03/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
This systematic review of the literature aimed to identify studies examining the measurement properties of the Michigan Hand Outcomes Questionnaire (MHQ) in various international populations and investigate its use in various diagnoses and health conditions. The search was conducted in MEDLINE (via PubMed), SCOPUS, CINAHL and Web of Science, with no restrictions on publication date, country or patient age. Study quality and risk of bias were assessed using the COnsensus-based Standards to select the health Measurement INstruments (COSMIN) checklist. 312 publications were identified and screened; 55 studies met the inclusion criteria and were critically reviewed. These publications comprised 16 languages and 11 pathologies and mainly investigated the internal consistency, construct validity and reliability of the MHQ. In general, all the measurement properties of the instrument showed good scores. The present review shows that the MHQ is a valid patient-reported outcome measure (PROM) and can be properly used in different clinical and rehabilitative contexts. LEVEL OF EVIDENCE: 2A.
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Affiliation(s)
- S Arcidiacone
- Department of Anatomical and Histological Sciences, Legal Medicine and Orthopedics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - F Panuccio
- Department of Anatomical and Histological Sciences, Legal Medicine and Orthopedics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - F Tusoni
- Department of Anatomical and Histological Sciences, Legal Medicine and Orthopedics, Sapienza University, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - G Galeoto
- Department of Human Neurosciences, Sapienza University of Rome, Viale dell'Università 30, 00185 Rome, Italy; IRCSS Neuromed, Via Atinense 18, 86077 Pozzilli, IS, Italy.
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7
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Anderson KD, Korupolu R, Musselman KE, Pierce J, Wilson JR, Yozbatiran N, Desai N, Popovic MR, Thabane L. Multi-center, single-blind randomized controlled trial comparing functional electrical stimulation therapy to conventional therapy in incomplete tetraplegia. FRONTIERS IN REHABILITATION SCIENCES 2022; 3:995244. [PMID: 36188946 PMCID: PMC9500231 DOI: 10.3389/fresc.2022.995244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022]
Abstract
Background Loss of upper extremity function after tetraplegia results in significant disability. Emerging evidence from pilot studies suggests that functional electrical stimulation (FES) therapy may enhance recovery of upper extremity function after tetraplegia. The aim of this trial was to determine the effectiveness of FES therapy delivered by the Myndmove stimulator in people with tetraplegia. Methods A multi-center, single-blind, parallel-group, two-arm, randomized controlled trial was conducted comparing FES to conventional therapy in adults (≥18 years) with C4–C7 traumatic incomplete tetraplegia between 4 and 96 months post-injury, and with a baseline spinal cord injury independence measure III -self-care (SCIM III-SC) score of ≤10. Participants were enrolled at four SCI-specialized neurorehabilitation centers in the U.S. and Canada. Participants were stratified by center and randomized in a 1:1 ratio to receive either 40 sessions of FES or conventional therapy targeting upper extremities over a 14-week period. Blinded assessors measured SCIM III, Toronto Rehabilitation Institute Hand Function Test, and Graded Redefined Assessment of Strength, Sensibility, and Prehension at baseline, after 20th session, after 40th session or 14 weeks after 1st session, and at 24 weeks after 1st session. The primary outcome measure was change in SCIM III-SC from baseline to end of the treatment. Based on the primary outcome measure, a sample size of 60 was calculated. Seventeen participants' progress in the study was interrupted due to the COVID-19 lockdown. The protocol was modified for these participants to allow them to complete the study. Results Between June 2019 to August 2021, 51 participants were randomized to FES (n = 27) and conventional therapy (n = 24). Both groups gained a mean of 2 points in SCIM-SC scores at the end of treatment, which was a clinically meaningful change. However, there was no statistically significant difference between the groups on any outcomes. Conclusion Forty sessions of FES therapy delivered by the MyndMove stimulator are as effective as conventional therapy in producing meaningful functional improvements that persist after therapy is completed. Limitations of this study include the impact of COVID-19 limiting the ability to recruit the target sample size and per-protocol execution of the study in one-third of the participants. Registration This trial is registered at www.ClinicalTrials.gov, NCT03439319.
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Affiliation(s)
- Kim D. Anderson
- MetroHealth Rehabilitation Institute, MetroHealth System, Cleveland, OH, United States
- Department of Physical Medicine and Rehabilitation, Case Western Reserve University School of Medicine, Cleveland, OH, United States
- Correspondence: Kim D. Anderson
| | - Radha Korupolu
- Department of Physical Medicine and Rehabilitation, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
- The Institute of Rehabilitation / Research (TIRR) Memorial Hermann, Houston, TX, United States
| | - Kristin E. Musselman
- The KITE Research Institute, University Health Network, Toronto, ON, Canada
- Department of Physical Therapy, University of Toronto, Toronto, ON, Canada
| | - Jacqueline Pierce
- HealthTech Connex Centre for Neurology Studies/Neuromotion Physiotherapy, Vancouver, BC, Canada
| | - James R. Wilson
- MetroHealth Rehabilitation Institute, MetroHealth System, Cleveland, OH, United States
- Department of Physical Medicine and Rehabilitation, Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Nuray Yozbatiran
- Department of Physical Medicine and Rehabilitation, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
- The Institute of Rehabilitation / Research (TIRR) Memorial Hermann, Houston, TX, United States
| | - Naaz Desai
- Krembil Research Institute-University Health Network, Toronto, ON, Canada
| | - Milos R. Popovic
- The KITE Research Institute, University Health Network, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- CRANIA, University Health Network, Toronto, ON, Canada
| | - Lehana Thabane
- Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, McMaster University, Hamilton ON, Canada
- Biostatistics Unit, St. Joseph’s Healthcare, Hamilton, ON, Canada
- Faculty of Health Sciences, University of Johannesburg, Johannesburg, Gauteng, South Africa
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Huang R, Nikooyan AA, Moore LD, Zdunowski S, Morikawa E, Sierro T, Sayenko D, Gad P, Homsey T, Le T, Madhavan MA, Abdelshahid M, Abdelshahid M, Zhou Y, Nuwer MR, Sarrafzadeh M, Edgerton VR, Leiter JC, Lu DC. Minimal handgrip force is needed for transcutaneous electrical stimulation to improve hand functions of patients with severe spinal cord injury. Sci Rep 2022; 12:7733. [PMID: 35545644 PMCID: PMC9095635 DOI: 10.1038/s41598-022-11306-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 04/14/2022] [Indexed: 11/09/2022] Open
Abstract
Spinal cord stimulation enhanced restoration of motor function following spinal cord injury (SCI) in unblinded studies. To determine whether training combined with transcutaneous electrical spinal cord stimulation (tSCS), with or without systemic serotonergic treatment with buspirone (busp), could improve hand function in individuals with severe hand paralysis following SCI, we assessed ten subjects in a double-blind, sham-controlled, crossover study. All treatments-busp, tSCS, and the busp plus tSCS-reduced muscle tone and spasm frequency. Buspirone did not have any discernible impact on grip force or manual dexterity when administered alone or in combination with tSCS. In contrast, grip force, sinusoidal force generation and grip-release rate improved significantly after 6 weeks of tSCS in 5 out of 10 subjects who had residual grip force within the range of 0.1-1.5 N at the baseline evaluation. Improved hand function was sustained in subjects with residual grip force 2-5 months after the tSCS and buspirone treatment. We conclude that tSCS combined with training improves hand strength and manual dexterity in subjects with SCI who have residual grip strength greater than 0.1 N. Buspirone did not significantly improve the hand function nor add to the effect of stimulation.
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Affiliation(s)
- Ruyi Huang
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Ali A Nikooyan
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- School of Information, University of California, Berkeley, Berkeley, CA, 94720, USA
| | - Lisa D Moore
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Sharon Zdunowski
- Department of Neurobiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Erika Morikawa
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Tiffany Sierro
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | | | - Parag Gad
- Department of Neurobiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Tali Homsey
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Timothy Le
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Meghna A Madhavan
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Marina Abdelshahid
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Martina Abdelshahid
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Yan Zhou
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Mark R Nuwer
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Majid Sarrafzadeh
- Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - V Reggie Edgerton
- Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Neurobiology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - James C Leiter
- White River Junction VA Medical Center, White River Junction, VT, 05009, USA
| | - Daniel C Lu
- Neurosurgery Department, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Neuroplasticity and Repair Laboratory, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Department of Orthopedic Surgery, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
- Neuromotor Recovery and Rehabilitation Center, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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9
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Kapadia N, Jovanovic L, Musselman K, Wang R, Marquez-Chin C, Popovic MR. Preliminary evaluation of the reliability and validity of the 3D printed Toronto Rehabilitation Institute-Hand Function Test in individuals with spinal cord injury. J Spinal Cord Med 2021; 44:S225-S233. [PMID: 34779739 PMCID: PMC8604468 DOI: 10.1080/10790268.2021.1961055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVE The study objectives were to evaluate the inter-rater and intra-rater reliability; and criterion and construct validity of the 3D printed Toronto Rehabilitation Institute -Hand Function Test (3D TRI-HFT) in individuals with spinal cord injury (SCI). DESIGN Observational study. SETTING Inpatient Rehabilitation Hospital. PARTICIPANTS Four individuals with subacute and three individuals with chronic SCI. INTERVENTIONS Reliability and validity of the 3D TRI-HFT was assessed within two interventional studies. OUTCOME MEASURES Participants performed the 3D TRI-HFT, Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP), Functional Independence Measure (FIM) and the Spinal Cord Independence Measure (SCIM) at baseline, after 20 and 40 sessions of therapy and at six month follow-up from baseline. 3D TRI-HFT assessments were graded at the time of performance and re-graded from the video recordings for purpose of reliability testing. Validity testing was done by comparing the scores on 3D TRI-HFT with the scores on the GRASSP, and the FIM and SCIM self care sub-scores. RESULTS The 3D TRI-HFT had high intra-rater and inter-rater reliability in sub-acute and chronic SCI with ICC values exceeding 0.99. Moderate to strong correlations were found between 3D TRI-HFT object manipulation scores and the FIM and SCIM self care sub-scores, with r values in the range of 0.7-0.8. Strong correlations were found between the various components of GRASSP and the 3D TRI-HFT, with r values exceeding 0.9. CONCLUSIONS The 3D TRI-HFT is a reliable and valid measure to assess unilateral hand gross motor function in individuals with SCI.
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Affiliation(s)
- Naaz Kapadia
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada,CRANIA, University Health Network and University of Toronto, Toronto, Canada,Correspondence to: Naaz Kapadia, Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada; The KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, ON, Canada; Rocket Family Upper Extremity Clinic, Toronto Rehabilitation Institute – University Health Network, Toronto, ON, Canada, 550 University Avenue, Toronto, ONM5G 2A2, Canada; Ph: 416-597-3422 Ext: 7949. ; https://www.linkedin.com/in/naaz-desai-97099230/
| | - Lazar Jovanovic
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,Institute of Biomedical Engineering, University of Toronto, Toronto, Canada
| | - Kristin Musselman
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada,CRANIA, University Health Network and University of Toronto, Toronto, Canada,Department of Physical Therapy, University of Toronto, Toronto, Canada
| | - Rosalie Wang
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada,Occupational Science & Occupational Therapy, University of Toronto, Toronto, Canada
| | - Cesar Marquez-Chin
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,CRANIA, University Health Network and University of Toronto, Toronto, Canada,Institute of Biomedical Engineering, University of Toronto, Toronto, Canada
| | - Milos R. Popovic
- KITE, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada,Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada,CRANIA, University Health Network and University of Toronto, Toronto, Canada,Institute of Biomedical Engineering, University of Toronto, Toronto, Canada
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10
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North R, Wurr R, Macon R, Mannion C, Hyde J, Torres-Espin A, Rosenzweig ES, Ferguson AR, Tuszynski MH, Beattie MS, Bresnahan JC, Joiner WM. Quantifying the kinematic features of dexterous finger movements in nonhuman primates with markerless tracking. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2021; 2021:6110-6115. [PMID: 34892511 DOI: 10.1109/embc46164.2021.9630018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Research using nonhuman primate models for human disease frequently requires behavioral observational techniques to quantify functional outcomes. The ability to assess reaching and grasping patterns is of particular interest in clinical conditions that affect the motor system (e.g., spinal cord injury, SCI). Here we explored the use of DeepLabCut, an open-source deep learning toolset, in combination with a standard behavioral task (Brinkman Board) to quantify nonhuman primate performance in precision grasping. We examined one male rhesus macaque (Macaca mulatta) in the task which involved retrieving rewards from variously-oriented shallow wells. Simultaneous recordings were made using GoPro Hero7 Black cameras (resolution 1920 x 1080 at 120 fps) from two different angles (from the side and top of the hand motion). The task/device design necessitates use of the right hand to complete the task. Two neural networks (corresponding to the top and side view cameras) were trained using 400 manually annotated images, tracking 19 unique landmarks each. Based on previous reports, this produced sufficient tracking (Side: trained pixel error of 2.15, test pixel error of 11.25; Top: trained pixel error of 2.06, test pixel error of 30.31) so that landmarks could be tracked on the remaining frames. Landmarks included in the tracking were the spatial location of the knuckles and the fingernails of each digit, and three different behavioral measures were quantified for assessment of hand movement (finger separation, middle digit extension and preshaping distance). Together, our preliminary results suggest that this markerless approach is a possible method to examine specific kinematic features of dexterous function.Clinical Relevance- The methodology presented below allows for the markerless tracking of kinematic features of dexterous finger movement by non-human primates. This method could allow for direct comparisons between human patients and non-human primate models of clinical conditions (e.g., spinal cord injury). This would provide objective quantitative metrics and crucial information for assessing movement impairments across populations and the potential translation of treatments, interventions and their outcomes.
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Zhang F, Momeni K, Ramanujam A, Ravi M, Carnahan J, Kirshblum S, Forrest GF. Cervical Spinal Cord Transcutaneous Stimulation Improves Upper Extremity and Hand Function in People With Complete Tetraplegia: A Case Study. IEEE Trans Neural Syst Rehabil Eng 2021; 28:3167-3174. [PMID: 33382659 DOI: 10.1109/tnsre.2020.3048592] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Recovery of the upper extremity (UE) and hand function is considered the highest priority for people with tetraplegia, because these functions closely integrate with their activities of daily living. Spinal cord transcutaneous stimulation (scTS) has great potential to facilitate functional restoration of paralyzed limbs by neuro-modulating the excitability of the spinal network. Recently, this approach has been demonstrated effective in improving UE function in people with motor complete and incomplete cervical SCI. However, the research thus far is limited by the lack of a comprehensive assessment of functional improvement and neurological recovery throughout the intervention. The goal of this study was to investigate whether scTS can also facilitate UE functional restoration in an individual with motor and sensory complete tetraplegia. A 38-year-old male with a C5 level, ASIA Impairment Scale-A SCI (15 years post-injury, left hand dominant pre- and post-injury), received 18 sessions (60 minutes/session) of scTS combined with task-specific hand training over the course of 8 weeks. The total score of the Graded Redefined Assessment of Strength, Sensibility, and Prehension significantly improved from 72/232 to 96/232 at post-intervention, and maintained ranging from 82/232 to 86/232 during the three months follow-up without any further treatment. The bilateral handgrip force improved by 283.4% (left) and 30.7% (right), respectively at post-intervention. These strength gains were sustained at 233.5% -250% (left) and 11.5%-73.1% (right) during the follow-up evaluation visits. Neuromuscular Recovery Scale demonstrated dramatic and long-lasting improvements following the completion of the intervention. Changes of spinal motor evoked potentials from pre- to post-intervention indicated an increased level of spinal network excitability. The present data offer preliminary evidence that the novel scTS intervention combined with hand training can enhance UE functional use in people with motor and sensory complete SCI.
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12
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Kalsi-Ryan S, Kapadia N, Gagnon DH, Verrier MC, Holmes J, Flett H, Farahani F, Alavinia SM, Omidvar M, Wiest MJ, Craven BC. Development of Reaching, Grasping & Manipulation indicators to advance the quality of spinal cord injury rehabilitation: SCI-High Project. J Spinal Cord Med 2021; 44:S134-S146. [PMID: 34779738 PMCID: PMC8604521 DOI: 10.1080/10790268.2021.1961052] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE To describe the development of structure, process, and outcome indicators aimed to advance the quality of Reaching, Grasping & Manipulation (RG&M) rehabilitation for Canadians living with spinal cord injury or disease (SCI/D). METHOD Upper extremity rehabilitation experts developed a framework of indicators for evaluation of RG&M rehabilitation quality. A systematic search of the literature identified potential upper extremity indicators that influence RG&M outcomes. A Driver diagram summarized factors influencing upper extremity outcomes to inform the selection of structure and process indicators. Psychometric properties, clinical utility, and feasibility of potential upper extremity measures were considered when selecting outcome indicators. RESULTS The selected structure indicator is the number of occupational and physical therapists with specialized certification, education, training and/or work experience in upper extremity therapy related to RG&M at a given SCI/D rehabilitation center. The process indicator is the total hours of upper extremity therapies related to RG&M and the proportion of this time allocated to neurorestorative therapy for each individual with tetraplegia receiving therapy. The outcome indicators are the Graded Redefined Assessment of Strength, Sensation and Prehension (GRASSP) strength and Spinal Cord Independence Measure III (SCIM III) Self-Care subscores implemented at rehabilitation admission and discharge, and SCIM III Self-Care subscore only at 18 months post-admission. CONCLUSION The selected indicators align with current practice, will direct the timing of routine assessments, and enhance the volume and quality of RG&M therapy delivered, with the aim to ultimately increase the proportion of individuals with tetraplegia achieving improved upper extremity function by 18 months post-rehabilitation.
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Affiliation(s)
- Sukhvinder Kalsi-Ryan
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
- Rocket Family Upper Extremity Clinic, Toronto Rehabilitation Institute-University Health Network, Toronto, Canada
| | - Naaz Kapadia
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
- Rocket Family Upper Extremity Clinic, Toronto Rehabilitation Institute-University Health Network, Toronto, Canada
- CRANIA, University Health Network and University of Toronto, Toronto, Canada
| | - Dany H. Gagnon
- School of Rehabilitation, Université de Montréal, Montreal, Québec, Canada
- Centre de recherche interdisciplinaire en réadaptation du Montréal métropolitain - CIUSSS du Centre-Sud-de-l’Ile-de-Montréal, Montreal, Québec, Canada
| | - Molly C. Verrier
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
- Department of Physical Therapy, University of Toronto, Toronto, Ontario, Canada
| | - Jennifer Holmes
- Southlake Regional Health Centre, Newmarket, Ontario, Canada
- Brain and Spinal Cord Rehabilitation Program, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, Ontario, Canada
| | - Heather Flett
- Department of Physical Therapy, University of Toronto, Toronto, Ontario, Canada
- Brain and Spinal Cord Rehabilitation Program, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
| | - Farnoosh Farahani
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
| | - S. Mohammad Alavinia
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Maryam Omidvar
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
| | - Matheus J. Wiest
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Ontario Neurotrauma Foundation, Toronto, Ontario, Canada
| | - B. Catharine Craven
- KITE Research Institute, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Brain and Spinal Cord Rehabilitation Program, Toronto Rehabilitation Institute – University Health Network, Toronto, Ontario, Canada
- Division of Physical Medicine and Rehabilitation, Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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Seif M, David G, Huber E, Vallotton K, Curt A, Freund P. Cervical Cord Neurodegeneration in Traumatic and Non-Traumatic Spinal Cord Injury. J Neurotrauma 2019; 37:860-867. [PMID: 31544628 PMCID: PMC7071087 DOI: 10.1089/neu.2019.6694] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
This study aimed to compare macrostructural and microstructural neurodegenerative changes remote from a cervical spinal cord injury in traumatic spinal cord injury (tSCI) and degenerative cervical myelopathy (DCM) patients using quantitative magnetic resonance imaging (MRI). Twenty-nine tSCI patients, 20 mild/moderate DCM patients, and 22 healthy controls underwent a high-resolution MRI protocol at the cervical cord (C2/C3). High-resolution T2*-weighted and diffusion-weighted scans provided data to calculate tissue-specific cross-sectional areas of the spinal cord and tract-specific diffusion indices of cord white matter, respectively. Regression analysis determined associations between neurodegeneration and clinical impairment. tSCI patients showed more impairment in upper limb strength and manual dexterity when compared with DCM patients. While macrostructural MRI measures revealed a similar extent of remote cord atrophy at cervical level, microstructural measures (diffusion indices) were able to distinguish more pronounced tract-specific neurodegeneration in tSCI patients when compared with DCM patients. Tract-specific neurodegeneration was associated with upper limb impairment. Despite clinical differences between severely impaired tSCI compared with mildly affected DCM patient, extensive cord atrophy is present remotely from the focal spinal cord injury. Diffusion indices revealed greater tract-specific alterations in tSCI patients. Therefore, diffusion indices are more sensitive than macrostructural MRI measures as these are able to distinguish between traumatic and non-traumatic spinal cord injury. Neuroimaging biomarkers of cervical cord integrity hold potential as predictors of recovery and might be suitable biomarkers for interventional trials both in traumatic and non-traumatic SCI.
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Affiliation(s)
- Maryam Seif
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Gergely David
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Eveline Huber
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Kevin Vallotton
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Armin Curt
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Patrick Freund
- Spinal Cord Injury Center, Balgrist University Hospital, University Hospital Zurich, University of Zurich, Zurich, Switzerland.,Department of Neurophysics, Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany.,Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London, United Kingdom.,Department of Neurology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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14
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Kalsi-Ryan S, Chan C, Verrier M, Curt A, Fehlings M, Bolliger M, Velstra IM. The graded redefined assessment of strength sensibility and prehension version 2 (GV2): Psychometric properties. J Spinal Cord Med 2019; 42:149-157. [PMID: 31573454 PMCID: PMC6781465 DOI: 10.1080/10790268.2019.1616950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Context: GRASSP Version 1 (GV1) was developed in 2010, is an upper extremity measure specifically designed to assess recovery after traumatic tetraplegia. A second version was developed to reduce length of the test and refine instructions/standardization. The purpose of this post hoc analysis was to calculate psychometric properties of GRASSP Version 2 (GV2). Design/Setting: A post-hoc analysis of datasets for the GRASSP cross-sectional (n = 72 chronic,) and longitudinal (n = 127 acute) studies was conducted. Reliability, validity and MDD were calculated from the chronic sample and responsiveness was re-calculated from the longitudinal sample. Both studies were observational. Participants: A chronic sample (n = 72) and acute longitudinal sample (n = 127) of individuals with traumatic tetraplegia (AIS A to D, NLI C2 to C8) were studied. Outcome Measures: GV1, the Spinal Cord Independence Measure III (SCIM), International Standards of Neurological Classification of Spinal Cord Injury (ISNCSCI) were administered in both studies at all centers and the Capabilities of the Upper Extremity Questionnaire (CUE-Q) was administered in North American sites only. GRASSP-Palmar Sensation, GRASSP-Prehension Performance subtest items included in GV2 were re-analyzed for reliability; validity, MDD and responsiveness. Results: Inter-rater and test-retest reliability for all subtests ranged between 0.849-0.971 and 0.950-0.971 respectively. Concurrent validity between domains of GV2 were positively and moderately (0.530-0.830, P < 0.0001) correlated to SCIM, SCIM self-care subscore (SS) and CUE-Q. MDD values were 4 and 3 points for sensation and prehension performance (single side). Responsiveness values were .84-.88 for GR-Sens and .93-1.22 for GR-PP respectively. Conclusions: GV2 retains excellent psychometric properties as does GV1.
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Affiliation(s)
- Sukhvinder Kalsi-Ryan
- KITE, Toronto Rehabilitation Institute-UHN, Toronto, Canada,Departtment of Physical Therapy, University of Toronto, Toronto, Canada,Correspondence to: Sukhvinder Kalsi-Ryan, Toronto Rehabilitation Institute, 520 Sutherland Drive, Rehabilitation Engineering Lab-REL, Toronto, Ontario M4G 3V9, Canada.
| | - Colin Chan
- Biomedical Engineering, University of Western Ontario, London, Canada
| | - Mary Verrier
- KITE, Toronto Rehabilitation Institute-UHN, Toronto, Canada,Departtment of Physical Therapy, University of Toronto, Toronto, Canada,Rehabilitation Sciences Institute, University of Toronto, Toronto, Canada
| | - Armin Curt
- Spinal Cord Injury Centre, University Hospital Balgrist, Zurich, Switzerland
| | - Michael Fehlings
- Department of Surgery, University of Toronto, Toronto, Canada,Krembil Neuroscience Centre, University Health Network, Toronto, Canada
| | - Marc Bolliger
- Spinal Cord Injury Centre, University Hospital Balgrist, Zurich, Switzerland
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Bockbrader M, Annetta N, Friedenberg D, Schwemmer M, Skomrock N, Colachis S, Zhang M, Bouton C, Rezai A, Sharma G, Mysiw WJ. Clinically Significant Gains in Skillful Grasp Coordination by an Individual With Tetraplegia Using an Implanted Brain-Computer Interface With Forearm Transcutaneous Muscle Stimulation. Arch Phys Med Rehabil 2019; 100:1201-1217. [PMID: 30902630 DOI: 10.1016/j.apmr.2018.07.445] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 06/28/2018] [Accepted: 07/26/2018] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To demonstrate naturalistic motor control speed, coordinated grasp, and carryover from trained to novel objects by an individual with tetraplegia using a brain-computer interface (BCI)-controlled neuroprosthetic. DESIGN Phase I trial for an intracortical BCI integrated with forearm functional electrical stimulation (FES). Data reported span postimplant days 137 to 1478. SETTING Tertiary care outpatient rehabilitation center. PARTICIPANT A 27-year-old man with C5 class A (on the American Spinal Injury Association Impairment Scale) traumatic spinal cord injury INTERVENTIONS: After array implantation in his left (dominant) motor cortex, the participant trained with BCI-FES to control dynamic, coordinated forearm, wrist, and hand movements. MAIN OUTCOME MEASURES Performance on standardized tests of arm motor ability (Graded Redefined Assessment of Strength, Sensibility, and Prehension [GRASSP], Action Research Arm Test [ARAT], Grasp and Release Test [GRT], Box and Block Test), grip myometry, and functional activity measures (Capabilities of Upper Extremity Test [CUE-T], Quadriplegia Index of Function-Short Form [QIF-SF], Spinal Cord Independence Measure-Self-Report [SCIM-SR]) with and without the BCI-FES. RESULTS With BCI-FES, scores improved from baseline on the following: Grip force (2.9 kg); ARAT cup, cylinders, ball, bar, and blocks; GRT can, fork, peg, weight, and tape; GRASSP strength and prehension (unscrewing lids, pouring from a bottle, transferring pegs); and CUE-T wrist and hand skills. QIF-SF and SCIM-SR eating, grooming, and toileting activities were expected to improve with home use of BCI-FES. Pincer grips and mobility were unaffected. BCI-FES grip skills enabled the participant to play an adapted "Battleship" game and manipulate household objects. CONCLUSIONS Using BCI-FES, the participant performed skillful and coordinated grasps and made clinically significant gains in tests of upper limb function. Practice generalized from training objects to household items and leisure activities. Motor ability improved for palmar, lateral, and tip-to-tip grips. The expects eventual home use to confer greater independence for activities of daily living, consistent with observed neurologic level gains from C5-6 to C7-T1. This marks a critical translational step toward clinical viability for BCI neuroprosthetics.
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Affiliation(s)
- Marcie Bockbrader
- Department of Physical Medicine & Rehabilitation, Ohio State University, Columbus, Ohio; Neurological Institute, Ohio State University Wexner Medical Center, Columbus, Ohio; Department of Biomedical Engineering, Ohio State University, Columbus, Ohio.
| | | | | | | | | | - Samuel Colachis
- Department of Physical Medicine & Rehabilitation, Ohio State University, Columbus, Ohio; Department of Biomedical Engineering, Ohio State University, Columbus, Ohio; Battelle Memorial Institute, Columbus, Ohio
| | | | | | - Ali Rezai
- Neurological Institute, Ohio State University Wexner Medical Center, Columbus, Ohio
| | | | - Walter J Mysiw
- Department of Physical Medicine & Rehabilitation, Ohio State University, Columbus, Ohio; Neurological Institute, Ohio State University Wexner Medical Center, Columbus, Ohio
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Dent K, Grampurohit N, Thielen CC, Sadowsky C, Davidson L, Taylor HB, Bultman J, Gaughan J, Marino RJ, Mulcahey MJ. Evaluation of the Capabilities of Upper Extremity Test (CUE-T) in Children With Tetraplegia. Top Spinal Cord Inj Rehabil 2018; 24:239-251. [PMID: 29997427 DOI: 10.1310/sci2403-239] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background: The Capabilities of Upper Extremity Test (CUE-T) is a spinal cord injury (SCI)-specific instrument based on the CUE Questionnaire (CUE-Q). Objective: To evaluate the psychometric properties of CUE-T in children with cervical SCI and determine the lowest age appropriate for test administration. Method: In this repeated measures multicenter study, 39 youths, mean age 12.3 years and mean time post injury 5.14 years, completed two administrations of the CUE-T. Test-retest reliability, internal consistency, and known groups validity were measured. Concurrent and discriminant validity were measured against previously validated measures: CUE-Q, Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP), Spinal Cord Independence Measure (SCIM) III, SCIM III-Self Care (SCIM-SC), and SCIM-Mobility. Results: The CUE-T scores demonstrated strong test-retest reliability (ICC ≥ 0.95), strong internal consistency (α ≥ 0.90), and acceptable individual item agreement (κ ≥ 0.49). The hand subscale had better scores (p < .05) for the motor incomplete versus complete known groups, and the arm, hand, and side subscales had better scores (p < .05) for higher versus lower strength groups. The CUE-T had strong concurrent validity with the CUE-Q (r = 0.85-0.87), GRASSP (r = 0.78-0.90), and SCIM-SC (r = 0.70) and moderate-to-weak correlation with the total SCIM (r = 0.65) and SCIM-Mobility (r = 0.51). Children older than 6 years with mature grasp patterns were able to complete the CUE-T. Conclusion: The CUE-T scores are reliable and valid for use in children with cervical SCI older than 6 years of age.
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Affiliation(s)
- Kathryn Dent
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania
| | - Namrata Grampurohit
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania
| | - Christina Calhoun Thielen
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania
| | | | | | | | - Jackie Bultman
- Mary Free Bed Rehabilitation Hospital, Grand Rapids, Michigan
| | - John Gaughan
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania
| | - Ralph J Marino
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania
| | - M J Mulcahey
- Department of Occupational Therapy, Jefferson College of Health Professions, Jefferson (Philadelphia University + Thomas Jefferson University), Philadelphia, Pennsylvania.,Shriners Hospitals for Children, Philadelphia, Pennsylvania
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Evaluation of the graded redefined assessment of strength, sensibility and prehension (GRASSP) in children with tetraplegia. Spinal Cord 2018; 56:741-749. [DOI: 10.1038/s41393-018-0084-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 02/17/2018] [Indexed: 11/08/2022]
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18
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Fehlings MG, Kim KD, Aarabi B, Rizzo M, Bond LM, McKerracher L, Vaccaro AR, Okonkwo DO. Rho Inhibitor VX-210 in Acute Traumatic Subaxial Cervical Spinal Cord Injury: Design of the SPinal Cord Injury Rho INhibition InvestiGation (SPRING) Clinical Trial. J Neurotrauma 2018; 35:1049-1056. [PMID: 29316845 PMCID: PMC5908415 DOI: 10.1089/neu.2017.5434] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Traumatic spinal cord injury (SCI) is associated with a lifetime of disability stemming from loss of motor, sensory, and autonomic functions; these losses, along with increased comorbid sequelae, negatively impact health outcomes and quality of life. Early decompression surgery post-SCI can enhance patient outcomes, but does not directly facilitate neural repair and regeneration. Currently, there are no U.S. Food and Drug Administration-approved pharmacological therapies to augment motor function and functional recovery in individuals with traumatic SCI. After an SCI, the enzyme, Rho, is activated by growth-inhibitory factors and regulates events that culminate in collapse of the neuronal growth cone, failure of axonal regeneration, and, ultimately, failure of motor and functional recovery. Inhibition of Rho activation is a potential treatment for injuries such as traumatic SCI. VX-210, an investigational agent, inhibits Rho. When administered extradurally after decompression (corpectomy or laminectomy) and stabilization surgery in a phase 1/2a study, VX-210 was well tolerated. Here, we describe the design of the SPRING trial, a multicenter, phase 2b/3, randomized, double-blind, placebo-controlled clinical trial to evaluate the efficacy and safety of VX-210 (NCT02669849). A subset of patients with acute traumatic cervical SCI is currently being enrolled in the United States and Canada. Medical, neurological, and functional changes are evaluated at 6 weeks and at 3, 6, and 12 months after VX-210 administration. Efficacy will be assessed by the primary outcome measure, change in upper extremity motor score at 6 months post-treatment, and by secondary outcomes that include question-based and task-based evaluations of functional recovery.
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Affiliation(s)
- Michael G Fehlings
- 1 Division of Neurosurgery and Spine Program, University of Toronto , Toronto, Ontario, Canada
| | - Kee D Kim
- 2 Department of Neurological Surgery, University of California Davis School of Medicine , Sacramento, California
| | - Bizhan Aarabi
- 3 Department of Neurosurgery, University of Maryland School of Medicine , Baltimore, Maryland
| | - Marco Rizzo
- 4 Vertex Pharmaceuticals Incorporated , Boston, Massachusetts
| | - Lisa M Bond
- 5 BioAxone BioSciences, Inc , Cambridge, Massachusetts
| | | | - Alexander R Vaccaro
- 6 Department of Orthopaedic Surgery, Sidney Kimmel Medical Center at Thomas Jefferson University , Philadelphia, Pennsylvania
| | - David O Okonkwo
- 7 Department of Neurological Surgery, University of Pittsburgh , Pittsburgh, Pennsylvania
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Trincado-Alonso F, López-Larraz E, Resquín F, Ardanza A, Pérez-Nombela S, Pons JL, Montesano L, Gil-Agudo Á. A Pilot Study of Brain-Triggered Electrical Stimulation with Visual Feedback in Patients with Incomplete Spinal Cord Injury. J Med Biol Eng 2017. [DOI: 10.1007/s40846-017-0343-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Chan CWL, Miller WC, Querée M, Noonan VK, Wolfe DL. The development of an outcome measures toolkit for spinal cord injury rehabilitation. The Canadian Journal of Occupational Therapy 2017; 84:119-129. [PMID: 28378605 DOI: 10.1177/0008417417690170] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Spinal cord injury (SCI) is a complex medical condition that can be difficult to monitor. PURPOSE This study aimed to establish a common set of validated outcome measures specifically for SCI clinical practice. METHOD In a three-round online Delphi process, experts in SCI care across Canada suggested and ranked outcome measures for clinical practice. The facilitators provided feedback between rounds and determined if consensus (at least 75% agreement) was reached on a single outcome measure per clinical area. FINDINGS One hundred and forty-eight outcome measures were initially considered for inclusion. After three rounds, consensus was reached for 23 out of 30 clinical areas. In the remaining seven, more than one outcome measure was recommended. The final toolkit comprises 33 outcome measures with sufficient measurement properties for use with a SCI population. IMPLICATIONS An outcome measures toolkit validated specifically for SCI should lead to improved identification of best practice and enable clinicians to monitor client progress effectively.
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Sinnott KA, Dunn JA, Wangdell J, Johanson ME, Hall AS, Post MW. Measurement of Outcomes of Upper Limb Reconstructive Surgery for Tetraplegia. Arch Phys Med Rehabil 2016; 97:S169-81. [DOI: 10.1016/j.apmr.2015.10.110] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 09/18/2015] [Accepted: 10/20/2015] [Indexed: 10/21/2022]
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Velstra IM, Bolliger M, Krebs J, Rietman JS, Curt A. Predictive Value of Upper Limb Muscles and Grasp Patterns on Functional Outcome in Cervical Spinal Cord Injury. Neurorehabil Neural Repair 2015; 30:295-306. [DOI: 10.1177/1545968315593806] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Objective. To determine which single or combined upper limb muscles as defined by the International Standards for the Neurological Classification of Spinal Cord Injury (ISNCSCI); upper extremity motor score (UEMS) and the Graded Redefined Assessment of Strength, Sensibility, and Prehension (GRASSP), best predict upper limb function and independence in activities of daily living (ADLs) and to assess the predictive value of qualitative grasp movements (QlG) on upper limb function in individuals with acute tetraplegia. Method. As part of a Europe-wide, prospective, longitudinal, multicenter study ISNCSCI, GRASSP, and Spinal Cord Independence Measure (SCIM III) scores were recorded at 1 and 6 months after SCI. For prediction of upper limb function and ADLs, a logistic regression model and unbiased recursive partitioning conditional inference tree (URP-CTREE) were used. Results. Logistic regression and URP-CTREE revealed that a combination of ISNCSCI and GRASSP muscles (to a maximum of 4) demonstrated the best prediction (specificity and sensitivity ranged from 81.8% to 96.0%) of upper limb function and identified homogenous outcome cohorts at 6 months. The URP-CTREE model with the QlG predictors for upper limb function showed similar results. Conclusion. Prediction of upper limb function can be achieved through a combination of defined, specific upper limb muscles assessed in the ISNCSCI and GRASSP. A combination of a limited number of proximal and distal muscles along with an assessment of grasping movements can be applied for clinical decision making for rehabilitation interventions and clinical trials.
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Affiliation(s)
| | - Marc Bolliger
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI), Zurich, Switzerland
| | - Jörg Krebs
- Clinical Trial Unit, Swiss Paraplegic Center, Nottwil, Switzerland
| | - Johan S. Rietman
- Roessingh Research and Development, Lab of Biomechanical Engineering, University of Twente, Enschede, Netherlands
| | - Armin Curt
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI), Zurich, Switzerland
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Velstra IM, Curt A, Frotzler A, Abel R, Kalsi-Ryan S, Rietman JS, Bolliger M. Changes in Strength, Sensation, and Prehension in Acute Cervical Spinal Cord Injury. Neurorehabil Neural Repair 2015; 29:755-66. [DOI: 10.1177/1545968314565466] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objective. To investigate the internal and external responsiveness and recovery profiles of the Graded Redefined Assessment of Strength, Sensibility, and Prehension (GRASSP) instrument in revealing changes in upper limb function within the first year following cervical spinal cord injury (SCI). Method. A European prospective, longitudinal, multicenter study assessing the GRASSP at 1, 3, 6, and 12 months after cervical SCI. Subtests of GRASSP were compared to the upper extremity motor (UEMS) and light touch scores (LT) according to the International Standards of Neurological Classification of Spinal Cord Injury (ISNCSCI), the Spinal Cord Independence Measure self-care subscore (SCIM-SS), as well as a clinician-rated outcome measure (CROM) of clinical relevance. Data were analyzed for GRASSP responsiveness and recovery rate over time. Results. Seventy-four participants entered the study. GRASSP subtests proved responsive (standardized response mean [SRM] ranged from 0.79 to 1.48 for strength, 0.50 to 1.03 for prehension, and 0.14 to 0.64 for sensation) between all examination time points. In comparison, UEMS and LT showed lower responsiveness (SRM UEMS ranged from 0.69 to 1.29 and SRM LT ranged from 0.30 to −0.13). All GRASSP subtests revealed significant, moderate-to-excellent correlations with UEMS, LT, and SCIM-SS at each time point, and changes in GRASSP subtests were in accordance with the CROM. GRASSP prehension and motor recovery was largest between 1 and 3 months. Conclusion. The GRASSP showed excellent responsiveness, detecting distinct changes in strength and prehension relating to the severity of cervical SCI. It detected clinically significant changes complimentary to the ISNCSCI and SCIM-SS assessments.
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Affiliation(s)
| | - Armin Curt
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI)
| | - Angela Frotzler
- Clinical Trial Unit, Swiss Paraplegic Center, Nottwil, Switzerland
| | - Rainer Abel
- Spinal Cord Injury Center, Hohe Warte, Bayreuth, Germany
| | - Sukhvinder Kalsi-Ryan
- Krembil Neuroscience Program, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Johan S. Rietman
- Roessingh Research and Development, Lab of Biomechanical Engineering, University of Twente, Enschede, Netherlands
| | - Marc Bolliger
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI)
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Nielson JL, Guandique CF, Liu AW, Burke DA, Lash AT, Moseanko R, Hawbecker S, Strand SC, Zdunowski S, Irvine KA, Brock JH, Nout-Lomas YS, Gensel JC, Anderson KD, Segal MR, Rosenzweig ES, Magnuson DSK, Whittemore SR, McTigue DM, Popovich PG, Rabchevsky AG, Scheff SW, Steward O, Courtine G, Edgerton VR, Tuszynski MH, Beattie MS, Bresnahan JC, Ferguson AR. Development of a database for translational spinal cord injury research. J Neurotrauma 2014; 31:1789-99. [PMID: 25077610 DOI: 10.1089/neu.2014.3399] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Efforts to understand spinal cord injury (SCI) and other complex neurotrauma disorders at the pre-clinical level have shown progress in recent years. However, successful translation of basic research into clinical practice has been slow, partly because of the large, heterogeneous data sets involved. In this sense, translational neurological research represents a "big data" problem. In an effort to expedite translation of pre-clinical knowledge into standards of patient care for SCI, we describe the development of a novel database for translational neurotrauma research known as Visualized Syndromic Information and Outcomes for Neurotrauma-SCI (VISION-SCI). We present demographics, descriptive statistics, and translational syndromic outcomes derived from our ongoing efforts to build a multi-center, multi-species pre-clinical database for SCI models. We leveraged archived surgical records, postoperative care logs, behavioral outcome measures, and histopathology from approximately 3000 mice, rats, and monkeys from pre-clinical SCI studies published between 1993 and 2013. The majority of animals in the database have measures collected for health monitoring, such as weight loss/gain, heart rate, blood pressure, postoperative monitoring of bladder function and drug/fluid administration, behavioral outcome measures of locomotion, and tissue sparing postmortem. Attempts to align these variables with currently accepted common data elements highlighted the need for more translational outcomes to be identified as clinical endpoints for therapeutic testing. Last, we use syndromic analysis to identify conserved biological mechanisms of recovery after cervical SCI between rats and monkeys that will allow for more-efficient testing of therapeutics that will need to be translated toward future clinical trials.
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Affiliation(s)
- Jessica L Nielson
- 1 Brain and Spinal Injury Center, Department of Neurological Surgery, University of California San Francisco , San Francisco, California
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Sinnott KA, Dunn JA, Rothwell AG, Hall AS, Post MWM. The development of the NZ-based international upper limb surgery registry. Spinal Cord 2014; 52:611-5. [DOI: 10.1038/sc.2014.57] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 03/04/2014] [Accepted: 03/29/2014] [Indexed: 11/09/2022]
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Velstra IM, Bolliger M, Tanadini LG, Baumberger M, Abel R, Rietman JS, Curt A. Prediction and Stratification of Upper Limb Function and Self-Care in Acute Cervical Spinal Cord Injury With the Graded Redefined Assessment of Strength, Sensibility, and Prehension (GRASSP). Neurorehabil Neural Repair 2014; 28:632-42. [DOI: 10.1177/1545968314521695] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background. There is inherent heterogeneity within individuals suffering from cervical spinal cord injury (SCI), and early prediction of upper limb function and self-care is challenging. As a result, considerable uncertainty exists regarding the prediction of functional outcome following cervical SCI within 1 year of injury. Objective. To evaluate the value of Graded Redefined Assessment of Strength, Sensibility, and Prehension (GRASSP) in predicting upper limb function and self-care outcomes in individuals with cervical SCI. Method. A prospective longitudinal multicenter study was performed. Data from the GRASSP, the Spinal Cord Independence Measure (SCIM III), and the American Spinal Injury Association (ASIA) Impairment Scale were recorded at 1, 6, and 12 months after cervical SCI. For prediction of functional outcome at 6 and 12 months, a logistic regression model, receiver operating characteristics (ROC), and unbiased recursive partitioning conditional inference tree (URP-CTREE) were used with 8 different predictor variables. Results. Logistic regression analysis, ROC analysis, and URP-CTREE all revealed that the strength subtest within GRASSP is the strongest predictor for upper limb function and self-care outcomes. URP-CTREE provides useful information on the distribution of different outcomes in acute cervical SCI and can be used to predict cohorts with homogeneous outcomes. Conclusion. The GRASSP at 1 month can accurately predict upper limb function and self-care outcomes even in a heterogeneous group of individuals across a wide spectrum of neurological recovery. The application of URP-CTREE can reveal the distribution of outcome categories and, based on this, inform trial protocols with respect to outcomes analysis and patient stratification.
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Affiliation(s)
| | - Marc Bolliger
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI)
| | | | - Michael Baumberger
- Department of Acute and Rehabilitation Medicine, Swiss Paraplegic Center, Nottwil, Switzerland
| | - Rainer Abel
- Spinal Cord Injury Center, Hohe Warte, Bayreuth, Germany
| | - Johan S. Rietman
- Roessingh Research and Development, Lab of Biomechanical Engineering, University of Twente, Enschede, Netherlands
| | - Armin Curt
- Spinal Cord Injury Center, Balgrist University Hospital, Zurich, Switzerland
- European Multicenter Study about Human Spinal Cord Injury (EMSCI)
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A noninvasive neuroprosthesis augments hand grasp force in individuals with cervical spinal cord injury: the functional and therapeutic effects. ScientificWorldJournal 2013; 2013:836959. [PMID: 24489513 PMCID: PMC3893005 DOI: 10.1155/2013/836959] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 10/05/2013] [Indexed: 11/28/2022] Open
Abstract
Objectives. The primary purpose of this study was to evaluate myoelectrically controlled functional electrical stimulation (MeCFES) for enhancing the tenodesis grip in people with tetraplegia. The second aim was to estimate the potential number of candidates for the MeCFES device. The application of MeCFES provides the user with direct control of the grasp force as opposed to triggered FES systems. Methods. Screening 253 medical records of C5 to C7 spinal cord injury resulted in 27 participants who trained activities of daily living for 12 × 2 hours, using the MeCFES. Hand function was evaluated by the Action Research Arm Test (ARAT). Primary outcome was the ARAT change score with/without the device, before/after the intervention period. Secondary outcome was the number of positive or clinically relevant change scores with respect to the cohort. Results. The MeCFES improved hand test score in 63% of the subjects at first application. Training resulted in a significant therapeutic effect, which resulted in an overall increase of hand function in 89% of the participants and 30% experienced a clinically relevant change (6 points or more). Conclusions. Clinical relevance was found both as an assistive aid and as a therapeutic tool in rehabilitation. The therapeutic effect deserves further investigation in clinical studies.
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Strohrmann C, Labruyère R, Gerber CN, van Hedel HJ, Arnrich B, Tröster G. Monitoring motor capacity changes of children during rehabilitation using body-worn sensors. J Neuroeng Rehabil 2013; 10:83. [PMID: 23899401 PMCID: PMC3751753 DOI: 10.1186/1743-0003-10-83] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Accepted: 06/14/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Rehabilitation services use outcome measures to track motor performance of their patients over time. State-of-the-art approaches use mainly patients' feedback and experts' observations for this purpose. We aim at continuously monitoring children in daily life and assessing normal activities to close the gap between movements done as instructed by caregivers and natural movements during daily life. To investigate the applicability of body-worn sensors for motor assessment in children, we investigated changes in movement capacity during defined motor tasks longitudinally. METHODS We performed a longitudinal study over four weeks with 4 children (2 girls; 2 diagnosed with Cerebral Palsy and 2 with stroke, on average 10.5 years old) undergoing rehabilitation. Every week, the children performed 10 predefined motor tasks. Capacity in terms of quality and quantity was assessed by experts and movement was monitored using 10 ETH Orientation Sensors (ETHOS), a small and unobtrusive inertial measurement unit. Features such as smoothness of movement were calculated from the sensor data and a regression was used to estimate the capacity from the features and their relation to clinical data. Therefore, the target and features were normalized to range from 0 to 1. RESULTS We achieved a mean RMS-error of 0.15 and a mean correlation value of 0.86 (p < 0.05 for all tasks) between our regression estimate of motor task capacity and experts' ratings across all tasks. We identified the most important features and were able to reduce the sensor setup from 10 to 3 sensors. We investigated features that provided a good estimate of the motor capacity independently of the task performed, e.g. smoothness of the movement. CONCLUSIONS We found that children's task capacity can be assessed from wearable sensors and that some of the calculated features provide a good estimate of movement capacity over different tasks. This indicates the potential of using the sensors in daily life, when little or no information on the task performed is available. For the assessment, the use of three sensors on both wrists and the hip suffices. With the developed algorithms, we plan to assess children's motor performance in daily life with a follow-up study.
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Kalsi-Ryan S, Beaton D, Curt A, Duff S, Jiang D, Popovic MR, Rudhe C, Fehlings MG, Verrier MC. Defining the Role of Sensation, Strength, and Prehension for Upper Limb Function in Cervical Spinal Cord Injury. Neurorehabil Neural Repair 2013; 28:66-74. [DOI: 10.1177/1545968313490998] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background. Upper limb function plays a significant role in enhancing independence for individuals with tetraplegia. However, there is limited knowledge about the specific input of sensorimotor deficits on upper limb function. Thus the theoretical framework designed to develop the Graded Redefined Assessment of Strength Sensibility and Prehension (GRASSP) was used as a hypothetical model to analyze the impact of impairment on function. Objective. To define the association of impairment (sensation, strength, and prehension measured by the GRASSP) to upper limb function as defined by functional measures (Capabilities of Upper Extremity Questionnaire, Spinal Cord Independence Measure). Methods. A hypothetical model representing relationships by applying structural equation modeling was used to estimate the effect of the impairment domains in GRASSP on upper limb function. Data collected on 72 chronic individuals with tetraplegia was used to test the hypothetical model. Results. Structural equation modeling confirmed strong associations between sensation, strength, and prehension with upper limb function, and determined 72% of the variance in “sensorimotor upper limb function” was explained by the model. Statistics of fit showed the data did fit the hypothesized model. Sensation and strength influence upper limb function directly and indirectly with prehension as the mediator. Conclusions. The GRASSP is a sensitive diagnostic tool in distinguishing the relative contribution of strength, sensation and prehension to function. Thus, the impact of interventions on specific domains of impairment and related contribution on clinical recovery of the upper limb can be detailed to optimize rehabilitation programs.
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Affiliation(s)
- Sukhvinder Kalsi-Ryan
- University of Toronto, Toronto, Ontario, Canada
- Krembil Neuroscience Centre, University Health Network, Toronto, Ontario, Canada
- Toronto Rehabilitation Institute, Toronto, Ontario, Canada
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
| | - Dorcas Beaton
- University of Toronto, Toronto, Ontario, Canada
- St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Armin Curt
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
- Spinal Cord Injury Centre, University Hospital Balgrist, Zurich, Switzerland
| | - Susan Duff
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
- Thomas Jefferson University, Philadelphia, PA, USA
| | - Depeng Jiang
- University of Manitoba, Winnipeg, Manitoba, Canada
| | - Milos R. Popovic
- University of Toronto, Toronto, Ontario, Canada
- Toronto Rehabilitation Institute, Toronto, Ontario, Canada
| | - Claudia Rudhe
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
- Spinal Cord Injury Centre, University Hospital Balgrist, Zurich, Switzerland
| | - Michael G. Fehlings
- University of Toronto, Toronto, Ontario, Canada
- Krembil Neuroscience Centre, University Health Network, Toronto, Ontario, Canada
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
| | - Mary C. Verrier
- University of Toronto, Toronto, Ontario, Canada
- Toronto Rehabilitation Institute, Toronto, Ontario, Canada
- International GRASSP Research and Design Team, Toronto, Ontario, Canada
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Kalsi-Ryan S, Curt A, Verrier MC, Fehlings MG. Development of the Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP): reviewing measurement specific to the upper limb in tetraplegia. J Neurosurg Spine 2013; 17:65-76. [PMID: 22985372 DOI: 10.3171/2012.6.aospine1258] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECT Primary outcome measures for the upper limb in trials concerning human spinal cord injury (SCI) need to distinguish between functional and neurological changes and require satisfying psychometric properties for clinical application. METHODS The Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP) was developed by the International GRASSP Research and Design Team as a clinical outcome measure specific to the upper limbs for individuals with complete and incomplete tetraplegia (that is, paralysis or paresis). It can be administered across the continuum of recovery after acute cervical SCI. An international multicenter study (involving centers in North America and Europe) was conducted to apply the measure internationally and examine its applicability. RESULTS The GRASSP is a multimodal test comprising 5 subtests for each upper limb: dorsal sensation, palmar sensation (tested with Semmes-Weinstein monofilaments), strength (tested with motor grading of 10 muscles), and prehension (distinguishes scores for qualitative and quantitative grasping). Thus, administration of the GRASSP results in 5 numerical scores that provide a comprehensive profile of upper-limb function. The established interrater and test-retest reliability for all subtests within the GRASSP range from 0.84 to 0.96 and from 0.86 to 0.98, respectively. The GRASSP is approximately 50% more sensitive (construct validity) than the International Standards of Neurological Classification of SCI (ISNCSCI) in defining sensory and motor integrity of the upper limb. The subtests show concurrence with the Spinal Cord Independence Measure (SCIM), SCIM self-care subscales, and Capabilities of Upper Extremity Questionnaire (CUE) (the strongest concurrence to impairment is with self-perception of function [CUE], 0.57-0.83, p < 0.0001). CONCLUSIONS The GRASSP was found to demonstrate reliability, construct validity, and concurrent validity for use as a standardized upper-limb impairment measure for individuals with complete or incomplete tetraplegia. Responsiveness (follow-up from onset to 1 year postinjury) is currently being tested in international studies (in North America and Europe). The GRASSP can be administered early after injury, thus making it a tool that can be administered in acute care (in the ICU), rehabilitation, and outpatient clinics.
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Zariffa J, Steeves J, Pai DK. Changes in hand muscle synergies in subjects with spinal cord injury: characterization and functional implications. J Spinal Cord Med 2012; 35:310-8. [PMID: 23031168 PMCID: PMC3459560 DOI: 10.1179/2045772312y.0000000037] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
BACKGROUND/OBJECTIVES In order to guide and improve rehabilitation interventions for grip function after spinal cord injury (SCI), it is important to have a detailed understanding of the motor control strategies that the central nervous system uses to control the hand. We examined whether changes in the motor control of the hand after SCI are manifested in the form of changes to muscle synergies. We further sought to determine a correlation between functional ability and the extent of muscle synergy disruption. METHODS Surface electromyographic (EMG) data were recorded from 8 hand muscles in 10 able-bodied subjects and 6 subjects with SCI as they performed various functional tasks using grip types relevant to activities of daily living. Muscle synergies were extracted using non-negative matrix factorization. Functional performance in each task was quantified using a 5-point clinical scale. RESULTS The synergies most commonly observed in able-bodied subjects were co-activation of extensor digitorum communis and extensor indicis proprius, as well as of flexor digitorum superficialis with flexor carpi ulnaris. The proportion of subjects in which particular synergies occurred was significantly different for subjects with SCI compared to able-bodied subjects (P < 0.001). Deviations from the average able-bodied synergies in subject with SCI were found to be poorly correlated (r = -0.04) with functional ability. CONCLUSIONS Results suggest that the disruptions and re-organizations of neural circuitry after SCI are reflected by the extracted muscle synergies, but the question of how muscle synergies can guide rehabilitation interventions remains open.
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Affiliation(s)
- José Zariffa
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, Canada; and Department of Computer Science, University of British Columbia, Vancouver, Canada
| | - John Steeves
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, Canada
| | - Dinesh K. Pai
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia, Vancouver, Canada; and Department of Computer Science, University of British Columbia, Vancouver, Canada,Correspondence to: Dinesh K. Pai, Department of Computer Science, University of British Columbia, 201–2366 Main Mall, Vancouver, British Columbia, Canada V6T 1Z4.
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Zariffa J, Kapadia N, Kramer JLK, Taylor P, Alizadeh-Meghrazi M, Zivanovic V, Willms R, Townson A, Curt A, Popovic MR, Steeves JD. Effect of a robotic rehabilitation device on upper limb function in a sub-acute cervical spinal cord injury population. IEEE Int Conf Rehabil Robot 2012; 2011:5975400. [PMID: 22275603 DOI: 10.1109/icorr.2011.5975400] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Robotic rehabilitation devices have been suggested as a tool to increase the amount of rehabilitation delivered after a neurological injury. Clinical robotic rehabilitation studies of the upper extremity have generally focused on stroke survivors. We present the results of a multi-center pilot study where an upper-limb robotic rehabilitation device (Armeo Spring®, Hocoma AG) was incorporated into the rehabilitation program of 12 subjects with sub-acute cervical spinal cord injury (motor level C4-C6, AIS A-D). Outcomes were measured using two tests of upper extremity function: ARAT and GRASSP. The change in scores for the arm receiving the Armeo training were not statistically significant when compared to the arm not receiving the Armeo training at discharge from therapy and over follow up assessments (8.7 +/- 2.9 compared to 7.4 +/- 2.5 for ARAT at discharge, p = 0.98, and 13.0 +/- 3.2 compared to 13.3 +/- 3.3 for GRASSP at discharge, p = 0.69). Nevertheless, subjects with some minimal (partial) hand function at baseline had a significantly larger increase in GRASSP scores than subjects with no minimal hand function preserved at baseline (19.3 +/- 2.4 compared to 6.6 +/- 4.7, p = 0.02). This suggests that the initial functional capabilities of patients can influence the benefits measured after robotic rehabilitation training and heterogeneous subject populations should be avoided in early phase studies.
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Affiliation(s)
- José Zariffa
- International Collaboration On Repair Discoveries, University of British Columbia, Vancouver
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Zariffa J, Steeves JD. Computer vision-based classification of hand grip variations in neurorehabilitation. IEEE Int Conf Rehabil Robot 2012; 2011:5975421. [PMID: 22275622 DOI: 10.1109/icorr.2011.5975421] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The complexity of hand function is such that most existing upper limb rehabilitation robotic devices use only simplified hand interfaces. This is in contrast to the importance of the hand in regaining function after neurological injury. Computer vision technology has been used to identify hand posture in the field of Human Computer Interaction, but this approach has not been translated to the rehabilitation context. We describe a computer vision-based classifier that can be used to discriminate rehabilitation-relevant hand postures, and could be integrated into a virtual reality-based upper limb rehabilitation system. The proposed system was tested on a set of video recordings from able-bodied individuals performing cylindrical grasps, lateral key grips, and tip-to-tip pinches. The overall classification success rate was 91.2%, and was above 98% for 6 out of the 10 subjects.
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Affiliation(s)
- José Zariffa
- International Collaboration On Repair Discoveries (ICORD), University of British Columbia and Vancouver Coastal Health Research Institute, Vancouver, BC, V5Z 1M9, Canada.
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Grangeon M, Revol P, Guillot A, Rode G, Collet C. Could motor imagery be effective in upper limb rehabilitation of individuals with spinal cord injury? A case study. Spinal Cord 2012; 50:766-71. [PMID: 22508537 DOI: 10.1038/sc.2012.41] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN A case study. OBJECTIVE The aim was to investigate whether motor imagery (MI) could be successfully incorporated into conventional therapy among individuals with spinal cord injury (SCI) to improve upper limb (UL) function. SETTING The Physical Medicine and Rehabilitation Unit at the Henry Gabrielle Hospital in Lyon, France. METHODS The participant was an individual with a complete C6 SCI. MI content was focused on functional UL movements, to improve hand transport to reach out and grasp with tenodesis. The participant was tested before and after 15 MI training sessions (45 min each, three times a week during 5 consecutive weeks). MI ability and program compliance were used as indicators of feasibility. The Minnesota and Box and Blocks tests, as well as movement time and hand trajectory during targeted movements were the dependent variables, evaluating motor performance before and after MI training. RESULTS The participant's ability to generate MI was checked and compliance with the rehabilitation program was confirmed. The time needed to complete the Minnesota test decreased by 1 min 25 s. The Box and Blocks score was improved by three units after MI program. Decreased movement time and enhanced hand trajectory smoothness were still observed 3 months later, despite a slight decrease in performance. CONCLUSIONS This study supports the feasibility for introducing MI in conventional therapy. Further studies should confirm the potential role of MI in motor recovery with a larger sample.
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Affiliation(s)
- M Grangeon
- Université de Lyon, Université Claude Bernard Lyon1-CRIS EA 647-Laboratoire de la Performance Motrice, Mentale et du Matériel (P3M) Villeurbanne, France
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Steeves JD, Lammertse DP, Kramer JLK, Kleitman N, Kalsi-Ryan S, Jones L, Curt A, Blight AR, Anderson KD. Outcome Measures for Acute/Subacute Cervical Sensorimotor Complete (AIS-A) Spinal Cord Injury During a Phase 2 Clinical Trial. Top Spinal Cord Inj Rehabil 2012; 18:1-14. [PMID: 23239927 PMCID: PMC3519288 DOI: 10.1310/sci1801-1] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Effective treatment after cervical spinal cord injury (SCI) is imperative as so many activities of daily living (ADLs) are dependent on functional recovery of arm and hand actions. We focus on defining and comparing neurological and functional endpoints that might be used during acute or subacute Phase 2 clinical trials involving subjects with cervical sensorimotor complete SCI (ASIA Impairment Scale [AIS-A]). For the purposes of this review, the trial would examine the effects of a pharmaceutical small molecule, drug, biologic, or cell transplant on spinal tissue. Thus, neurological improvement is the intended consequence and is most directly measured by assessing neurological impairment (eg, motor aspects of the International Standards Neurological Classification of Spinal Cord Injury [ISNCSCI]). However, changes in neurological function, even if statistically significant, may not be associated with a clear functional impact (ie, a meaningful improvement in individual activity, such as independent self-care ADLs). The challenge is to measure improvement as precisely as possible (change in impairment), but to define a clinically meaningful response in the context of functional improvement (impact on activity limitations). The principal comparisons focused on elements of the ISNCSCI assessment, including upper extremity motor score and motor level. Personal activity capabilities were also examined at various time points. The data suggest that an improvement of 2 or more motor levels after cervical sensorimotor complete SCI may be a clinically meaningful endpoint threshold that could be used for acute and subacute Phase 2 trials with subjects having sensorimotor complete cervical SCI.
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Affiliation(s)
- John D Steeves
- ICORD, University of British Columbia and Vancouver Coastal Health, Vancouver, BC, Canada
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Kapadia N, Zivanovic V, Verrier M, Popovic MR. Toronto rehabilitation institute-hand function test: assessment of gross motor function in individuals with spinal cord injury. Top Spinal Cord Inj Rehabil 2012; 18:167-86. [PMID: 23459270 PMCID: PMC3584758 DOI: 10.1310/sci1802-167] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
PURPOSE The objective of this study was to evaluate the interrater reliability, construct validity, and sensitivity of Toronto Rehabilitation Institute-Hand Function Test (TRI-HFT), within an interventional randomized control trial. METHOD Twenty-one participants with subacute C4 to C7 spinal cord injury (SCI) were recruited. Based on randomization, participants were allocated to either the functional electrical stimulation therapy group or the conventional occupational therapy group. Baseline and follow-up assessments of participants were videotaped. For testing interrater reliability, videotaped images were transferred to DVDs that were later observed by 2 observers. Construct validity was determined by comparing total scores on TRI-HFT to self-care subscore components of the Spinal Cord Independence Measure (SCIM) and FIM. To establish sensitivity of TRI-HFT, we compared pre- and posttreatment scores on all 3 measures (ie, TRI-HFT, FIM, and SCIM). RESULTS TRI-HFT was found to have high interrater reliability with an intercorrelation coefficient (ICC) of 0.98. Moderate to strong correlations were found between TRI-HFT total scores and self-care components of FIM and SCIM for both hands individually post therapy. Due to a floor effect of the FIM and SCIM, there was weak correlation between pretherapy scores of the said measures and TRI-HFT. TRI-HFT was found to be highly sensitive in determining difference in function pre and post therapy. CONCLUSIONS This study demonstrated that the TRI-HFT is a reliable and sensitive measure to assess unilateral hand gross motor function in persons with tetraplegia, with moderate to strong construct validity.
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Affiliation(s)
- Naaz Kapadia
- Rehabilitation Engineering Laboratory, Toronto Rehabilitation Institute , Toronto, Ontario , Canada
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Ferguson AR, Stück ED, Nielson JL. Syndromics: a bioinformatics approach for neurotrauma research. Transl Stroke Res 2011; 2:438-54. [PMID: 22207883 PMCID: PMC3236294 DOI: 10.1007/s12975-011-0121-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 10/14/2011] [Accepted: 10/18/2011] [Indexed: 12/25/2022]
Abstract
Substantial scientific progress has been made in the past 50 years in delineating many of the biological mechanisms involved in the primary and secondary injuries following trauma to the spinal cord and brain. These advances have highlighted numerous potential therapeutic approaches that may help restore function after injury. Despite these advances, bench-to-bedside translation has remained elusive. Translational testing of novel therapies requires standardized measures of function for comparison across different laboratories, paradigms, and species. Although numerous functional assessments have been developed in animal models, it remains unclear how to best integrate this information to describe the complete translational "syndrome" produced by neurotrauma. The present paper describes a multivariate statistical framework for integrating diverse neurotrauma data and reviews the few papers to date that have taken an information-intensive approach for basic neurotrauma research. We argue that these papers can be described as the seminal works of a new field that we call "syndromics", which aim to apply informatics tools to disease models to characterize the full set of mechanistic inter-relationships from multi-scale data. In the future, centralized databases of raw neurotrauma data will enable better syndromic approaches and aid future translational research, leading to more efficient testing regimens and more clinically relevant findings.
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Affiliation(s)
- Adam R. Ferguson
- Brain and Spinal Injury Center (BASIC), Department of Neurological Surgery, University of California, 1001 Potrero Avenue, Building 1, Room 101, San Francisco, CA 94110 USA
| | - Ellen D. Stück
- Brain and Spinal Injury Center (BASIC), Department of Neurological Surgery, University of California, 1001 Potrero Avenue, Building 1, Room 101, San Francisco, CA 94110 USA
| | - Jessica L. Nielson
- Brain and Spinal Injury Center (BASIC), Department of Neurological Surgery, University of California, 1001 Potrero Avenue, Building 1, Room 101, San Francisco, CA 94110 USA
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Velstra IM, Ballert CS, Cieza A. A Systematic Literature Review of Outcome Measures for Upper Extremity Function Using the International Classification of Functioning, Disability, and Health as Reference. PM R 2011; 3:846-60. [DOI: 10.1016/j.pmrj.2011.03.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2010] [Revised: 03/15/2011] [Accepted: 03/18/2011] [Indexed: 01/17/2023]
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