Destructive Neurosurgical Procedures for Spasticity

Abstract

Spasticity can be defined as a velocity-dependent resistance to passive movement of a joint and its associated musculature. Spasticity is characterized by hyperexcitability of the stretch-reflex related to the loss of inhibitory influences from descending supraspinal structures. Spasticity should not be treated just because it is present as it may be useful for compensating for loss of motor power. Spasticity should be treated only when excess tone leads to further functional losses, impairs locomotion for induces deformities. Functional neurosurgery should be considered when hyperspasticity cannot be controlled by physical therapy and medications.