Decompression and Bone Grafting Surgery for Spinal Tuberculosis (Bone TB)

1. What is it? Any common name for this procedure?

Decompression and Bone Grafting is a surgical intervention used to treat Spinal Tuberculosis, also known as Pott’s Disease. Spinal TB occurs when tuberculosis bacteria spread from the lungs to the vertebrae, causing the bone to soften and "rot" (necrosis).

The surgery involves two critical steps:

• Decompression: Removing the "cold abscess" (tubercular pus), dead bone, and infected tissue that is pressing on the spinal cord.
• Bone Grafting: Filling the resulting gap with healthy bone (from your own hip or a donor) to provide structural support and encourage the spine to fuse into a solid, healthy column.

Common Names:

• Pott’s Spine Surgery
• Anterior Decompression and Interbody Fusion
• Spinal TB Debridement

2. Common Indications: When is it Recommended?

While many cases of Bone TB are treated with long-term antibiotics (AKT), surgery is necessary when:

• Neurological Deficit: You experience weakness, numbness, or paralysis (Pott’s Paraplegia) due to spinal cord compression.
• Spinal Instability: The TB has "eaten" enough bone that the spine is at risk of collapsing or shifting.
• Kyphosis (Deformity): The spine is developing a severe "hunch" or "angulation" that could lead to long-term disability.
• Failure of Medical Therapy: The infection is not responding to multi-drug anti-TB treatment (MDR-TB).

3. List of Associated Risks and Conditions

• Pott’s Paraplegia: Weakness or paralysis in the legs caused by the TB infection pressing on the nerves.
• Cold Abscess: A collection of TB-infected fluid that forms around the spine; unlike normal infections, it doesn't typically cause heat or redness.
• Gibbus Deformity: A sharp "hump" in the back caused by the collapse of infected vertebrae.

4. List of Screening Tests and Assessment Tools

5. Am I Eligible for This Evaluation?

• Confirmed Infection: You have been diagnosed with TB, usually through a biopsy or positive lung tests.
• Structural Damage: X-rays or MRIs show that at least 50% of a vertebral body is destroyed or that the spine is tilting significantly.
• Active Symptoms: You are experiencing significant back pain or "clumsiness" in your gait.
• Medical Clearance: TB can be exhausting for the body; you must be nutritionally stable enough to undergo a major reconstruction.

6. Pre and Post Care

Pre-Care:

• Antibiotic Initiation: Patients are often started on Anti-Tubercular Treatment (ATT) at least 1–2 weeks before surgery to reduce the bacterial load.
• Nutrition: High-protein diets are often prescribed to help the body fight the infection and heal the bone graft.

Post-Care:

• Long-Term ATT: Surgery does not cure TB; you must continue taking your TB medications for 9 to 18 months after surgery to ensure the infection is completely gone.
• Bracing: A custom back brace (like a TLSO) is usually required for 3–6 months to protect the bone graft while it fuses.
• Activity: Physical therapy begins slowly to regain leg strength and balance.

7. Days Required for Hospitalization

• Surgical Time: 3 to 6 hours, depending on the extent of the infection.
• In-Hospital Stay: 5 to 10 Days. This allows for monitoring of wound healing and ensuring the patient can walk safely.
• Full Recovery: While the incision heals in weeks, it takes 6 to 12 months for the bone graft to fully "take" and for the TB to be considered in remission.
• Hospitalization: 5–10 Days.

8. Benefits of Decompression & Grafting

• Prevents Paralysis: By removing the pus and bone fragments early, the risk of permanent leg paralysis is significantly reduced.
• Corrects Deformity: The bone graft helps "straighten" the spine, preventing a permanent hunchback.
• Pain Relief: Removing the infected, dying tissue (debridement) often provides a significant reduction in deep, throbbing bone pain.
• Direct Diagnosis: Surgery allows the doctor to take a direct culture from the site, ensuring you are on the correct antibiotics for your specific strain of TB.