Abstract

The method used in the intraoperative portion of the selective dorsal rhizotomy procedure for the selection of abnormal circuits within the central nervous system of children with spasticity due to cerebral palsy is described. The decision to transect dorsal rootlets is made on the basis of electrophysiological, behavioral and medical criteria. In 100 cases the average number of rootlets transected was 64%. Of the total stimulated, 23.3% exhibited normal electrophysiological and behavioral responses. Decision making regarding the preservation or transection of the remaining 12.7% of the segments is described. This information is presented in an effort to increase understanding of this particular portion of the procedure and to encourage standardization of the procedure between centers in the future.

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