Selective Dorsal Rhizotomy
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Selective Dorsal Rhizotomy
Surgery Overview
Selective dorsal rhizotomy (SDR) is the most common nerve surgery for symptoms related to cerebral palsy (CP). During SDR, a surgeon cuts the skin over the lower part of the spinal cord. The surgeon then finds and cuts the nerves in the cord that are causing muscle tightness in the legs.
What To Expect
After surgery, physical therapy is needed. Also, orthopedic surgery and casts or braces may still be needed.
Nerves that are cut during SDR do not grow back together. Sometimes not all nerves are cut, and other surgeries may be needed to cut those that remain.
Why It Is Done
Selective dorsal rhizotomy may be done to relieve muscle tightness and spasticity when CP severely affects the legs. The procedure may also improve the range of movement in the legs.
SDR is especially useful when cerebral palsy affects both legs but not the arms (spastic diplegia). It is usually not advised for people who have permanently stiff joints (contractures), little strength in their limbs, or problems with balance.
How Well It Works
Some children have less muscle tightness (spasticity) and are able to move their legs more easily after SDR, although their legs may feel weaker and somewhat numb. Sometimes spasticity completely goes away.
This surgery may decrease the chances of leg deformities in growing children. When muscles tighten around growing bones, the bones may not develop normally.
SDR cuts the nerves that cause spasticity and helps prevent the muscle from tightening again. When SDR is done before orthopedic surgery, it may increase the success of that surgery.
Risks
In most cases, SDR does not affect other functions of the body, such as bowel and bladder control or the ability to have sex. In rare cases, problems such as strange sensations or loss of control over the bladder can occur.
Surgery of any kind carries the risk of bleeding, infection, or the need for repeated surgery.
Credits
Current as of: December 20, 2023
Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
Current as of: December 20, 2023
Author: Ignite Healthwise, LLC Staff
Clinical Review Board
All Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.
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This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.