Treatment: Other Procedures & Management
Tethered cord release (detethering)
Tethered cord release is surgery to free an abnormally anchored spinal cord, sometimes done when a tethered cord accompanies Chiari.
In short: Tethered cord release (detethering)
- It frees an abnormally anchored (tethered) spinal cord.
- It relieves the stretching that causes symptoms.
- It is done when a tethered cord accompanies Chiari and causes problems.
- It is part of addressing the full picture in some cases.
What it is
Tethered cord release (detethering) is a surgery to free a spinal cord that is abnormally anchored (tethered) to surrounding tissue, relieving the stretching that causes symptoms. It is sometimes done when a tethered cord accompanies Chiari malformation and is contributing to problems.
Understanding Tethered cord release (detethering)
In tethered cord syndrome, the spinal cord is abnormally fixed (often at the lower spine), which stretches it and can cause symptoms such as pain, weakness, sensory changes, and bladder or bowel problems. Detethering surgery releases the abnormal anchoring, freeing the cord and relieving the tension. When a tethered cord coexists with Chiari (or with spina bifida), the care team determines whether and when to address it, since it can be a separate contributor to symptoms. Releasing the tethered cord is aimed at halting progression and relieving tension-related symptoms. The decision is individualized, based on whether the tethered cord is causing problems. Understanding tethered cord release clarifies a procedure to free an anchored spinal cord, sometimes part of addressing the full picture in Chiari.
Why it matters
Understanding tethered cord release helps families see how an abnormally anchored spinal cord — when it accompanies Chiari and causes problems — can be freed surgically to relieve tension-related symptoms.
Common questions
What is tethered cord release?
Surgery to free an abnormally anchored spinal cord.
Why is it done?
To relieve the stretching that causes symptoms.
When is it relevant to Chiari?
When a tethered cord accompanies Chiari and causes problems.
Bottom line
Tethered cord release frees an abnormally anchored spinal cord to relieve tension-related symptoms, sometimes done when a tethered cord accompanies Chiari.
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