Volume 31, Issue 1 pp. 98-101
Short Reports

Recovery of long-term denervated human muscles induced by electrical stimulation

Helmut Kern MD

Corresponding Author

Helmut Kern MD

Ludwig Boltzmann Institute of Electrostimulation and Physical Rehabilitation, Wilheminenspital Wien, A-1171 Vienna, Austria

Ludwig Boltzmann Institute of Electrostimulation and Physical Rehabilitation, Wilheminenspital Wien, A-1171 Vienna, AustriaSearch for more papers by this author
Stanley Salmons MSc, PhD

Stanley Salmons MSc, PhD

Department of Human Anatomy and Cell Biology, University of Liverpool, Liverpool, United Kingdom

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Winfried Mayr PhD

Winfried Mayr PhD

Department of Biomedical Engineering and Physics, University of Vienna, Vienna, Austria

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Katia Rossini DBiol

Katia Rossini DBiol

C.N.R. Institute of Neuroscience, Department of Biomedical Science, University of Padua, Padua, Italy

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Ugo Carraro MD

Ugo Carraro MD

C.N.R. Institute of Neuroscience, Department of Biomedical Science, University of Padua, Padua, Italy

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First published: 07 September 2004
Citations: 118

Abstract

We investigated the restorative potential of intensive electrical stimulation in a patient with long-standing quadriceps denervation. Stimulation started 18 months after injury. After 26 months, the thighs were visibly less wasted. Muscle cross-sectional areas, measured by computerized tomography, increased from 36.0 cm2 to 57.9 cm2 (right) and from 36.1 cm2 to 52.4 cm2 (left). Knee torque had become sufficient to maintain standing without upper extremity support. Biopsies revealed evidence of both growth and regeneration of myofibers. The results suggest that electrical stimulation may offer a route to the future development of mobility aids in patients with lower motor neuron lesions. Muscle Nerve, 2004

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