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  • Author or Editor: Marc Sindou x
  • By Author: Cosson, Maryse x
  • By Author: Sindou, Marc x
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Joseph Maarrawi, Patrick Mertens, Jacques Luaute, Christophe Vial, Nicole Chardonnet, Maryse Cosson and Marc Sindou

Object

To manage refractory upper-limb spasticity, selective peripheral neurotomy (SPN) is proposed when the spastic muscles to be treated are under the control of a single or a few peripheral nerves. The aim of this study was to assess prospectively the long-term effects of SPN.

Methods

Thirty-one patients with disabling upper-limb spasticity were selected by a multidisciplinary team using clinical, analytical, and functional scales as well as nerve block tests for assessment. Sixty-four SPNs were performed at the level of the musculocutaneous (15 SPNs), the median (25 SPNs), and the ulnar (24 SPNs) nerves. Results of a long term follow up (mean 4.5 years) showed statistically significant improvement on 1) analytical assessment (p < 0.01): resting position, active amplitude, and motor strength; 2) Ashworth Scale scoring (p < 0.01); 3) hand function assessment (p < 0.01); and 4) rating of daily activities. Four patients with severe painful spasticity experienced complete pain relief after surgery. On the basis of a Visual Analog Scale ranging from 0 to 100, the mean degree of patient satisfaction was 61.5. Complications occurred in five patients (15%): two postoperative hematomas, one (temporary) hypesthesia, and one transient paresia of the wrist and finger flexors.

Conclusions

Selective peripheral neurotomy leads to long-term satisfactory improvement in function and/or comfort with a low morbidity rate in appropriately selected patients suffering from severe harmful spasticity of the upper limb that has been refractory to conservative therapy. Patients must be selected after complete assessment by a multidisciplinary team.