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Updated: Jul 13, 2026

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Live Imaging of Dorsal Root Axons after Rhizotomy
Published on: September 1, 2011
Selective dorsal rhizotomy: long-term experience from Cape Town
Nelleke G Langerak1, Robert P Lamberts, A Graham Fieggen
1MRC/UCT Medical Imaging Research Unit, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory, Cape Town, Western Cape, 7925, South Africa.
Summary
Selective dorsal rhizotomy effectively reduces spasticity in cerebral palsy patients. Long-term follow-up shows sustained functional improvements in gait and range of motion, indicating lasting benefits of the procedure.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Pediatric Neurology
Background:
- Selective dorsal rhizotomy (SDR) is a procedure for cerebral palsy patients.
- Long-term outcomes of SDR require objective clinical evidence.
Purpose of the Study:
- To evaluate the long-term sequelae of selective dorsal rhizotomy.
- To assess functional benefits and neuromuscular changes after SDR.
Main Methods:
- Prospective gait analysis of 14 ambulatory patients operated on in 1985.
- Long-term follow-up assessing neuromuscular function and gait at 10 and 20 years post-surgery.
Main Results:
- Increased range of motion within normal limits 10 years post-surgery.
- Significant improvement in step length, though cadence remained lower than controls.
Conclusions:
- Selective dorsal rhizotomy effectively alleviates spasticity.
- The procedure provides long-term functional benefits for cerebral palsy patients.

