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ORIGINAL ARTICLE
Year : 2018  |  Volume : 1  |  Issue : 2  |  Page : 55-60

Phenol nerve block for ankle plantar flexor and invertor spasticity in upper motor neuron lesions: A case series


Department of Rehabilitation Medicine, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom

Correspondence Address:
Fahim Anwar
Department of Rehabilitation Medicine, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Hill's Road, Cambridge CB2 0QQ
United Kingdom
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijprm.ijprm_2_18

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Aim: The study aims to evaluate the effectiveness of tibial nerve block with phenol on ankle plantarflexion and inversion spasticity caused by the upper motor neuron lesions. Materials and Methods: A single-center retrospective study was undertaken to assess the effectiveness of tibial nerve block on the spasticity of ankle plantar flexors and invertors in upper motor neuron lesions. Forty-four patients with ankle plantar flexion and inversion spasticity were included in the study. Clinical outcomes were measured before tibial nerve block at 6 and 24 weeks following the treatment. The outcome measures included Modified Ashworth Scale (MAS), the passive range of motion of the ankle dorsiflexion with the knee in a flexed position and with the knee in an extended position. The patients were advised to continue with the pharmacological and nonpharmacological interventions such as medications, splinting, and stretching. Friedman test of differences among repeated measures was conducted from data at 0, 6, and 24 weeks. Results: There was a statistically significant difference between the baseline MAS and ankle passive range of dorsiflexion motions (both with the knee flexed and extended) measured at 6 and 24 weeks following the phenol nerve block of the tibial nerve. Conclusions: This study highlights that phenol nerve block of the tibial nerve helps to reduce the spasticity of the ankles when combined with other pharmacological and nonpharmacological interventions such as splinting and stretching.


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