Treatment decision6 min read
Is surgery necessary for a cervical herniation? The findings that decide
The surgical decision in cervical herniation is taken more carefully than in the lower back because the spinal cord passes directly through this region. Which findings tolerate no delay, and where conservative treatment is given a chance, is set out below.
Myelopathy findings tolerate no delay
When the herniation compresses the spinal cord rather than a nerve root, the condition is called cervical myelopathy. Its features are functional losses rather than neck pain: difficulty with buttons, deteriorating handwriting, clumsy hands, unsteady walking and balance problems worse in the dark.
When these findings are progressive, delay increases the risk of permanent damage. Cord tissue has less capacity to recover than a nerve root, so early surgical assessment is advised.
Changes in bladder control, symptoms developing in both arms or legs at once, and an electric sensation down the back into the legs on bending the neck backward fall in the same category.
In nerve root compression, time is allowed
Where there is no myelopathy and only arm pain and numbness, surgery is not urgent. Six to twelve weeks are allowed for properly delivered conservative treatment.
If there is no meaningful improvement in pain and function by then, surgical assessment becomes relevant. What is assessed is the weekly trend: is the distance the arm pain travels shortening, is night waking reducing, is grip strength returning.
Progressive muscle weakness shortens that window. Weakness in the arm increasing day by day requires medical assessment without waiting for conservative treatment.
Imaging alone does not decide
The size of a herniation on MRI is not an indication for surgery. Cervical scans of people with no pain frequently show disc bulges and degenerative change too.
The decision is based on whether the imaging finding matches the clinical picture: which level do the line of pain, the weakened muscle group and the reduced reflex point to, and is there a finding at that level on the scan.
The surgical decision belongs to a neurosurgical or orthopaedic specialist. The contribution of physiotherapy is to supply the objective measurements informing it and, where surgery is needed, to prepare the patient in the best possible condition.
Key points
- Myelopathy findings (loss of hand dexterity, imbalance) require emergency assessment.
- With arm pain and numbness only, six to twelve weeks of conservative treatment are allowed.
- Progressive muscle weakness shortens that window.
- The size of the herniation on MRI does not indicate the need for surgery.
- The decision belongs to the surgeon; physiotherapy supplies measurements and prepares the patient.
Frequently asked questions
Is physiotherapy needed after surgery?
Yes. Surgery removes the compression but does not change the weakness in the muscles carrying the head or the forward-head posture. Patients who complete rehabilitation have a lower risk of problems developing at the adjacent level.
Will the neck become stiff after surgery?
It depends on the procedure. In fusion surgery movement at that level is lost, though neighbouring levels largely compensate. With a disc replacement, movement is preserved. In both cases rehabilitation markedly affects the outcome.
Is trying conservative treatment risky?
Not where there is no myelopathy. In those cases a few months of conservative trial does not worsen surgical outcomes. With myelopathy the situation differs and delay is not advised.
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This content is for information only and does not replace medical diagnosis or treatment. Response to treatment varies between individuals. Please consult a healthcare professional about your symptoms.