Spine · Lumbar

Lumbar disc decompression for nerve pressure and sciatica

Lumbar disc decompression is a minimally invasive spine procedure that relieves pressure on lumbar nerves caused by a herniated disc, bone spur, or thickened ligament, with care coordinated from consultation through recovery. Consultations with our fellowship-trained neurosurgeon in 1–3 days, with surgery typically 2–4 weeks later. Many patients are discharged the same day and begin walking early; desk work may be possible in 1–2 weeks for some patients.

At Pathway, our fellowship-trained spine surgeons perform lumbar disc decompression for nerve pressure and sciatica. Consultations are available in 1–3 days, with surgery typically 2–4 weeks later.

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Walking often encouraged day of surgery
Minimally invasive where appropriate
Surgery in 2–4 weeks
No referral required

Patient walking upright along a waterfront path after lumbar disc decompression recovery

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Minimally invasive option

At a glance

Walking often encouraged day of surgery
Minimally invasive where appropriate
Surgery in 2–4 weeks
No referral required

When it may help

When is lumbar decompression considered?

Lumbar decompression is most often discussed when imaging and symptoms point to a compressed nerve root. Patients may describe pain travelling from the low back into the buttock, thigh, calf, or foot, sometimes with numbness, tingling, or weakness.

A consultation focuses on matching the symptoms to the imaging and confirming that surgery is likely to address the source of nerve compression.

Procedure path

How decompression relieves nerve pressure.

The specific technique varies by anatomy and diagnosis. The goal is to create space around the affected nerve so symptoms have a chance to improve.

1

Plan — confirm the pain generator

The surgeon reviews imaging, symptoms, neurologic findings, treatment history, and patient goals before recommending surgery
2

Decompress — relieve pressure on the nerve

Through a minimally invasive approach where appropriate, the surgeon removes the disc, bone, or ligament tissue pressing on the nerve
3

Recover — progress activity carefully

Walking usually begins early, while bending, lifting, work demands, and sport are advanced according to the surgeon’s instructions

Candidacy

Is decompression right for you?

Candidacy is confirmed by matching your symptoms, examination findings, and imaging.

Common reasons to discuss it

Herniated lumbar disc
Sciatica or lumbar radiculopathy
Persistent leg pain despite conservative care
Numbness, tingling, or weakness linked to nerve compression

Reasons to be cautious

Back-dominant pain without nerve compression
Symptoms that do not match imaging
Medical risks that require optimization first
Spinal instability that may require a different procedure

Not sure if decompression matches your symptoms and imaging? Book a consultation and our spine specialist will review your case.

Your surgeon

Our spine specialist.

Specialist review and coordinated surgical planning, from consultation through recovery.

Dr. Eric Massicotte, MD, FRCSC

Minimally invasive spine neurosurgery · UofT Associate Professor

Dr. Eric Massicotte is a minimally invasive spine neurosurgeon and Associate Professor at the University of Toronto. Pathway’s spine pathway connects patients with specialist review and coordinated surgical planning.

Fellowship-trained spine neurosurgeon
Associate Professor, University of Toronto
20+ years of experience in complex spine surgery
Official Surgeon of the Toronto Argonauts

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Your recovery

A typical recovery, measured in weeks.

Day of surgery
1

Day of surgery

Early walking

Walking is often encouraged when safe; discharge timing depends on the facility and clinical status
Week 1–2
2

Week 1–2

Desk work for some

Some patients can return to desk work; lifting, bending, and driving restrictions are individualized
Week 4–6
3

Week 4–6

Gradual return

Physical work and higher-demand activity may resume gradually if symptoms and healing allow
Ongoing
4

Ongoing

Rehabilitation

Walking tolerance, core strength, mobility, and safe return to normal activity

Day 1

Early walking

Often encouraged when safe

1–2 weeks

Return to desk work

May be possible for some patients

4–6 weeks

Physical work

May resume gradually if healing allows

Relief of leg pain can be rapid, but nerve recovery, back soreness, conditioning, and return to work vary. Your surgeon will provide restrictions based on the exact procedure, your symptoms, and your physical demands.

Decompression or fusion?

Lumbar decompression relieves pressure on a nerve by removing the tissue causing compression. Spinal fusion stabilizes a spinal segment and is used for different indications — some patients need only decompression, while others may need fusion depending on instability, deformity, or other clinical factors.

Learn about lumbar instrumented fusion

FAQ

Frequently asked questions.

Lumbar disc decompression may be considered when a herniated disc, bone spur, or thickened ligament is compressing a lumbar nerve and causing leg pain, numbness, weakness, sciatica, or lumbar radiculopathy. A surgeon determines candidacy after reviewing symptoms, examination findings, and imaging.

No. Lumbar decompression is intended to relieve pressure on a nerve by removing the tissue causing compression. Spinal fusion stabilizes a spinal segment and is used for different indications. Some patients need only decompression; others may need fusion depending on instability, deformity, or other clinical factors.

Many patients are encouraged to walk the day of surgery, but activity progression depends on the procedure details, symptoms, and the surgeon's instructions. Desk work may be possible in one to two weeks for some patients, while physically demanding work can take longer.

Helpful information includes recent MRI or CT images and reports, a medication list, prior treatment history such as physiotherapy or injections, and a short summary of symptoms, leg pain pattern, weakness, numbness, and functional limitations.

Lumbar disc decompression for nerve pressure and sciatica

When is lumbar decompression considered?

How decompression relieves nerve pressure.