The Journal of Bone and Joint Surgery, Vol 77, Issue 5 713-718, Copyright © 1995 by Journal of Bone and Joint Surgery, Inc
Selective posterior rhizotomy and soft-tissue procedures for the treatment of cerebral diplegia
GR Marty, LS Dias and D Gaebler-Spira
Rehabilitation Institute of Chicago, Illinois, USA.
The results of selective posterior rhizotomy in fifty patients (group I)
and of soft-tissue procedures in fifty patients (group II), all 100 of whom
had cerebral diplegia and were seen in a private office, were reviewed
retrospectively. No effort was made to randomize the treatment, as the
selection criteria for the two procedures are different. We evaluated the
range of motion and the ability and quality of walking preoperatively and
postoperatively as well as the need for additional operative intervention
in the two groups. The average age of the patients in both groups was five
years (range, three to twelve years in group I and one to thirteen years in
group II). The average duration of follow-up in both groups was four years
(range, one to six years in group I and one to seven years in group II).
Thirty-two patients (64 percent) in group I and forty-one patients (82
percent) in group II were able to walk independently at the latest
follow-up examination. Both groups had an over-all improvement in the
ranges of abduction of the hips and dorsiflexion of the ankles, a decrease
in the flexion contractures of the hips, and more normal popliteal angles;
however, with the numbers available, there were no significant differences
in these measurements between the two groups at the 0.05 percent confidence
level. Despite the overall improvement in range of motion, thirty-one
patients in the rhizotomy group subsequently had soft-tissue releases, and
twenty-two patients in the soft-tissue-release group had additional
operative intervention.