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Management of hand spasticity with ultrasound-guided ethyl alcohol injection to the deep branch of the ulnar nerve

1 Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Taegu, Republic of Korea
2 Department of Physical Medicine and Rehabilitation, University of Montreal Health Center, Montreal, Canada

Correspondence Address:
Mathieu Boudier-Reveret,
Hotel Dieu of the University of Montreal Health Center, 3840, Saint-Urbain Street, Montreal, Quebec H2W 1T8
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Source of Support: None, Conflict of Interest: None

Patients with stroke commonly experience limb spasticity, which can prevent functional recovery and cause functional disability, due to muscle tightness and joint stiffness in the affected limb. Using the ability of ultrasound (US) to visualize nerves, we successfully performed US-guided neurolysis of the motor branch of the ulnar nerve in Guyon's canal, while avoiding injury of its sensory branch, in a 63-year-old woman with upper limb poststroke spasticity. We believe that our method has the merit of precluding the development of neuropathic pain, following injury to the sensory branch of the ulnar nerve. Moreover, our method reduces operation time and perioperative pain.

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