Lumbar spine · Spinal canal stenosis

Lumbar spinal canal stenosis

If you feel pain, heaviness or weakness in your legs when walking and need to stop to rest, the lumbar canal may be compressing the nerves.

Lumbar spinal canal stenosis image
Common symptoms

Do you recognise any of these symptoms?

Lumbar spinal canal stenosis often appears mainly when walking or standing.

Walking becomes difficult

You may walk a short distance, but pain, fatigue, heaviness or weakness appears in your legs.

You need to stop or sit down

Symptoms often improve when you rest, sit down or lean forward.

Pain radiating down the legs

It may affect the buttocks, thighs, calves or feet. It can also be accompanied by tingling.

Loss of strength or balance

Progressive weakness, stumbling or difficulty climbing stairs should be assessed.

What it is

Stenosis means there is not enough space for the nerves.

In the lumbar spine there is a canal through which the nerves travel towards the legs. Over time, osteoarthritis, discs and ligaments may gradually narrow this canal.

When the space becomes too narrow, the nerves are compressed. This may cause pain, tingling, heaviness, weakness or difficulty walking.

When to consult

It is not always urgent, but it should not be allowed to progress.

Consult a specialist if:

  • You can walk less and less distance.
  • Pain travels down one or both legs.
  • You need to sit down for the pain to improve.
  • You notice loss of strength, balance or sensation.
  • Usual treatments are no longer helping.
Treatment

What can we do?

Not every case requires surgery. First, we assess the degree of compression, your symptoms and how they affect your daily life.

Conservative treatment

Physiotherapy, medication, adapted exercises and activity changes when symptoms are mild or moderate.

Injections

They may help control pain and inflammation in selected patients.

Decompression surgery

If walking becomes difficult or symptoms progress, compressed nerves can be released.

Lumbar fusion

Only if, in addition to stenosis, there is instability, spondylolisthesis or spinal deformity.

Surgery

The aim is to release the nerves.

When stenosis significantly compresses the nerves, surgery aims to restore space. This can be done using microsurgery, endoscopic surgery or minimally invasive techniques.

If the spine is stable, we usually try to decompress while preserving structures as much as possible. If there is also instability, it may be necessary to stabilise the segment with a fusion.

Surgical options

Which type of surgery can help with spinal canal stenosis?

The technique depends on the cause of compression and whether the spine is stable or not.

Microsurgery

Allows the surgeon to work with magnification to precisely remove the bone or ligament compressing the nerves.

Endoscopic surgery

Uses a camera and specific instruments to access the canal through a reduced incision in selected cases.

Minimally invasive decompression

Aims to release the nerves with less muscle disruption and a more structured recovery.

Lumbar fusion

If there is instability, spondylolisthesis or deformity, fixation with screws and rods may be required.

Medical knowledge

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Medical assessment

Would you like to know whether your case has a solution?

We review your symptoms and imaging tests to clearly explain whether this is spinal canal stenosis and what real options are available.

Phone 682 663 856
Email administracionconsulta@inbscp.com
Centre Clínica Sagrada Família
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