Spinal fusion surgery is a procedure used to join two or more bones (vertebrae) in the spine so that they heal into one solid bone. This helps reduce pain, improve stability and prevent abnormal movement in the spine.
Overview
What is spinal fusion surgery?
Spinal fusion surgery is a procedure used to join two or more bones (vertebrae) in the spine so that they heal into one solid bone. This helps reduce pain, improve stability and prevent abnormal movement in the spine.
Common conditions leading to the surgery
- Degenerative disc disease (wear and tear of spinal discs)
- Slipped disc with spinal instability
- Spinal deformities such as scoliosis
- Spinal fractures or injuries
- Narrowing of the spinal canal (spinal stenosis)
- Spondylolisthesis (one spinal bone slipping over another)
When is surgery required?
Surgery may be considered when:
- Long-lasting back or neck pain does not improve with medicines, physiotherapy or lifestyle changes
- Pain spreads to the arms or legs, or causes numbness, tingling or muscle weakness
- Difficulty walking, standing or performing daily activities develops
- The spine becomes unstable due to ageing, arthritis, injury or repeated strain
- Severe symptoms such as loss of balance or trouble controlling urine or bowel movements occur
- Imaging tests such as X-rays, MRI or CT scans show significant spinal damage or nerve pressure
Procedure Details
What is the procedure and why is it done?
During spinal fusion surgery, the surgeon joins spinal bones using bone grafts, screws or rods. This limits painful movement and improves spine stability.
Before the Procedure
Key instructions
- Stop smoking if possible
- Inform the doctor about all medicines
- Arrange help at home after surgery
Preparation guidelines
- Avoid food or drinks for several hours before surgery
- Some blood-thinning medicines may need to be stopped temporarily
- Follow instructions about bathing and hospital admission
Procedure Overview
Step-by-step (simplified)
- Anaesthesia (general anaesthesia) is given so the patient sleeps during surgery
- A small cut is made in the back, neck or abdomen
- The damaged disc or tissue may be removed
- Bone graft material is placed between the spinal bones
- Screws or rods may be used to hold the spine in place while healing occurs
The procedure usually takes about 2–6 hours depending on the complexity.
Risks and Complications
Common risks include:
Benefits and Expected Outcomes
Success rates
Many patients experience reduced pain and improved movement after recovery.
How the procedure improves quality of life
- Better ability to walk and perform daily activities
- Reduced nerve pain
- Improved spine stability
During hospital stay
Patients can expect:
- Monitoring in the recovery room
- Pain management medicines
- Early walking with assistance
- Physiotherapy guidance
Recovery, Lifestyle and Follow-up
Recovery and aftercare
Length of hospital stay
- Usually 2–5 days
Recovery timeline
- Light activities begins within a few weeks
- Full recovery may take several months
Activity restrictions
- Avoid heavy lifting and bending
- Follow exercise instructions carefully
Wound care and precautions
- Keep the wound clean and dry
- Watch for redness, swelling or discharge
Lifestyle and Prevention
Recommended diet
Long-term care
Preventing recurrence
When to Contact a Doctor
Seek medical help if there is:
- Fever or wound discharge
- Severe pain not improving
- New weakness or numbness
- Difficulty breathing
- Urine leakage or loss of bowel control
Follow-up schedule
Regular follow-up visits and imaging tests may be needed to check healing.
Myths and Facts
Spinal fusion causes complete loss of movement.
Only the treated spinal segment loses movement; most daily activities remain possible.
Surgery is always the first treatment.
Most patients try medicines and physiotherapy first.
Recovery happens immediately.
Bone healing usually takes several months.
All back pain requires spinal fusion surgery.
Only selected patients benefit from this procedure.
Frequently Asked Questions (FAQs)
Will I be able to walk after surgery?
Yes. Most patients begin walking with help within 1–2 days after surgery.
Is spinal fusion surgery painful?
Pain is common after surgery but is usually controlled with medicines.
Can I return to work?
Many people return to light work within a few weeks, depending on recovery and job type.
Will metal screws remain in my body permanently?
In most cases, the screws and rods remain safely in place unless they cause problems.
Speak to an orthopaedic specialist
Get an expert opinion and a personalised treatment plan at Sterling Hospitals.



