Spinal Decompression Surgery

Spinal Decompression Surgery: Procedures, Candidacy, and Recovery

“Spinal decompression” appears in countless patient conversations, but the term means different things in different contexts. Non-surgical spinal decompression refers to traction-based therapy used by chiropractors and physical therapists. Surgical spinal decompression refers to a group of neurosurgical procedures that physically remove bone, disc material, or other tissue compressing the spinal cord or nerve roots. This page is about the surgical category: what it involves, who is a candidate, and what recovery looks like at New Jersey Brain and Spine.

WHAT IS SPINAL DECOMPRESSION SURGERY?

Spinal decompression surgery encompasses several related procedures, all with the same goal: creating more space within the spinal canal or nerve root exit openings (foramina) to relieve pressure on compressed neural structures. When nerves or the spinal cord are compressed by narrowed spaces, bone spurs, herniated disc material, or thickened ligaments, symptoms such as pain, numbness, weakness, and loss of coordination can result.

Surgical decompression addresses the structural source of that compression directly. It is distinct from non-surgical spinal decompression therapy (which uses mechanical traction to reduce disc pressure temporarily) in that it provides a permanent anatomical correction.

WHO IS A CANDIDATE FOR SPINAL DECOMPRESSION SURGERY?

The NJBS team evaluates each patient individually, but spinal decompression surgery is typically appropriate for patients who:

• Have a confirmed structural diagnosis (spinal stenosis, herniated disc, bone spurs, or thickened ligaments) on MRI or CT imaging that correlates with their symptoms
• Have pursued at least 6 to 12 weeks of conservative treatment, including physical therapy, anti-inflammatory medications, and epidural steroid injections, without adequate relief
• Experience significant leg or arm pain (radiculopathy), neurological deficits (weakness, numbness), or difficulty walking that substantially impairs quality of life
• Have progressive neurological deficits that warrant earlier surgical intervention

Spinal decompression surgery is not appropriate for patients whose imaging findings do not correlate with their symptoms, or for those who have not yet had an adequate trial of conservative care. The NJBS standard is always conservative treatment first.

Conditions most commonly treated with spinal decompression surgery:

• Spinal stenosis: narrowing of the spinal canal from bone spurs, enlarged facet joints, or thickened ligamentum flavum
• Herniated disc: disc material protruding into the spinal canal or foramen
• Degenerative disc disease with nerve compression
• Spondylolisthesis with significant foraminal narrowing

TYPES OF SPINAL DECOMPRESSION PROCEDURES

At NJBS, spinal decompression is not a one-size-fits-all surgery. The choice of procedure depends on the specific cause of compression, the number of levels involved, whether instability is present, and the patient’s overall health.

Laminectomy: The most commonly performed decompression procedure. A laminectomy removes the lamina, the bony arch forming the back of the spinal canal, at 1 or more levels. This widens the spinal canal and relieves pressure from the spinal cord or nerve roots. Laminectomy is the standard treatment for lumbar spinal stenosis causing neurogenic claudication (leg pain that worsens with walking).

Discectomy / Microdiscectomy: A discectomy removes all or part of a herniated disc that is compressing a nerve root. Microdiscectomy is a minimally invasive version of this procedure using a small incision and magnification, typically performed as outpatient surgery. It is the standard surgical treatment for sciatica caused by a lumbar disc herniation.

Foraminotomy: A foraminotomy enlarges the foramen, the passageway through which a nerve root exits the spinal canal, by removing bone or tissue that has narrowed it. It is particularly effective for foraminal stenosis caused by bone spurs or degenerative changes, and can be performed at cervical or lumbar levels.

Laminotomy: A more limited version of laminectomy in which only a portion of the lamina is removed. This approach preserves more of the spinal structure while still achieving adequate decompression.

Corpectomy: Removal of the vertebral body (along with adjacent discs) to decompress the spinal cord, most commonly used for cervical myelopathy or to remove a tumor or fracture fragment compressing the cord.

Decompression with Fusion: When spinal instability is present, either pre-existing or as a consequence of the decompression, spinal fusion may be performed at the same time. Fusion stabilizes the spine by connecting 2 or more vertebrae. Not all patients undergoing decompression require fusion.

BEFORE THE PROCEDURE

Preparation for spinal decompression surgery at NJBS includes:

1. Pre-operative medical evaluation: Blood tests, imaging review, and an assessment of any medical conditions (such as diabetes, heart disease, or blood thinners) that require management before surgery.
2. Medication review: Certain blood thinners, NSAIDs, and supplements must be stopped before surgery.
3. Pre-operative imaging: The operating surgeon reviews updated MRI or CT imaging to confirm the planned levels and approach.
4. Anesthesia consultation: For most spinal decompression procedures, general anesthesia is used.
5. Patient education: NJBS provides written and verbal preparation instructions, including fasting requirements, arrival time, and what to expect on the day of surgery.

DURING THE PROCEDURE

The specific steps depend on the procedure type, but a standard lumbar decompression follows this sequence:

1. Anesthesia and positioning: The patient is placed under general anesthesia, then positioned prone (face down) on the operating table. Careful positioning protects pressure points and allows the surgeon unobstructed access to the posterior spine.
2. Incision: A small incision (often 1 to 3 cm for minimally invasive procedures) is made over the target spinal level(s).
3. Muscle retraction: Soft tissue is gently moved aside to expose the back of the spine. In minimally invasive procedures, small tubular dilators minimize muscle disruption.
4. Decompression: Using a surgical microscope or endoscope, the surgeon removes the lamina, disc material, bone spurs, or thickened ligament compressing the neural structures.
5. Hemostasis and closure: The surgical field is carefully inspected, bleeding is controlled, and the incision is closed in layers.

Most lumbar decompression procedures take 1 to 3 hours depending on the number of levels addressed.

AFTER THE PROCEDURE AND RECOVERY

Inpatient Stay: Many minimally invasive decompression procedures are performed as outpatient surgery or with a 1-night hospital stay. Procedures involving fusion or multiple levels may require 1 to 3 days in hospital.

Pain Management: Post-operative pain is managed with oral medications. Most patients find that leg pain (from nerve compression) improves quickly, often within days of surgery, while back pain related to the incision resolves over 2 to 4 weeks.

Activity and Rehabilitation:

• Walking typically begins the same day as surgery or the following morning
• Light activity (short walks, daily living tasks) is encouraged immediately
• Physical therapy begins 2 to 4 weeks after surgery
• Desk work and sedentary jobs: typically return within 2 to 4 weeks
• Physical jobs (lifting, manual labor): typically return within 6 to 12 weeks, depending on the procedure

Follow-Up: NJBS schedules follow-up visits at 2 weeks, 6 weeks, and 3 months post-operatively. Imaging is not routinely repeated unless a new concern arises.

RISKS AND COMPLICATIONS

All surgery carries risk. The risks of spinal decompression surgery include:

Infection (wound or deep spinal infection)

Dural tear: an inadvertent opening in the covering of the spinal cord, causing cerebrospinal fluid (CSF) leak; most are repaired at the time of surgery

Nerve injury: rare but possible; the risk increases with more extensive procedures or in cases with severe pre-existing compression

Post-operative hematoma requiring re-operation

Incomplete relief of symptoms, particularly if nerve damage was present before surgery

Adjacent level degeneration: increased stress on spinal levels adjacent to the operated level, particularly relevant when fusion is performed

The NJBS team discusses the specific risks relevant to each patient’s procedure during the pre-operative consultation.

FREQUENTLY ASKED QUESTIONS

SCHEDULE A CONSULTATION

NJBS serves patients across northern New Jersey and the greater tri-state area, with offices in Paramus, Hackensack, Montclair, Montvale, Annandale, and Englewood.  No referral is required to schedule a consultation.

Schedule a consultation or request a second opinion today.