期刊
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
卷 95, 期 6, 页码 1201-1211出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.apmr.2014.01.028
关键词
Activities of daily living; Electric stimulation; Electrodes implanted; Quadriplegia; Rehabilitation
资金
- National Institutes of Health, National Institute of Neurological Disorders and Stroke [N01-N5-1-2333, N01-N5-5-2365]
- Case Western Reserve University/Cleveland Clinic Clinical and Translational Science Award [UL1 RR024989]
- National Center for Research Resources
- National Institutes of Health
- National Institutes of Health Roadmap for Medical Research
Objective: To develop and apply an implanted neuroprosthesis to restore arm and hand function to individuals with high level tetraplegia. Design: Case study. Setting: Clinical research laboratory. Participants: Individuals with spinal cord injuries (N=2) at or above the C4 motor level. Interventions: The individuals were each implanted with 2 stimulators (24 stimulation channels and 4 myoelectric recording channels total). Stimulating electrodes were placed in the shoulder and arm, being, to our knowledge, the first long-term application of spiral nerve cuff electrodes to activate a human limb. Myoelectric recording electrodes were placed in the head and neck areas. Main Outcome Measures: Successful installation and operation of the neuroprosthesis and electrode performance, range of motion, grasp strength, joint moments, and performance in activities of daily living. Results: The neuroprosthesis system was successfully implanted in both individuals. Spiral nerve cuff electrodes were placed around upper extremity nerves and activated the intended muscles. In both individuals, the neuroprosthesis has functioned properly for at least 2.5 years postimplant. Hand, wrist, forearm, elbow, and shoulder movements were achieved. A mobile arm support was needed to support the mass of the arm during functional activities. One individual was able to perform several activities of daily living with some limitations as a result of spasticity. The second individual was able to partially complete 2 activities of daily living. Conclusions: Functional electrical stimulation is a feasible intervention for restoring arm and hand functions to individuals with high tetraplegia. Forces and movements were generated at the hand, wrist, elbow, and shoulder that allowed the performance of activities of daily living, with some limitations requiring the use of a mobile arm support to assist the stimulated shoulder forces. (C) 2014 by the American Congress of Rehabilitation Medicine
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