Anterior Lumbar interbody Spine Fusion Surgery

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Anterior lumbar interbody spine fusion/ ALIF surgery is the surgery to treat disc problems in the lower back. Traditionally lumbar spine fusion surgeries done through incision in the back. But with latest advancement fusion surgeries can be done through the sides (Lateral Lumbar Interbody Fusion and Oblique Lumbar Interbody Fusion) or through the front (ALIF) side. Transforaminal lumbar interbody fusion means the replacement of the intervertebral disc with a bone or metal spacer using an anterior approach.

Conditions treated with Anterior Lumbar Interbody Spine Fusion Surgery

Anterior interbody spine surgery is helpful to treat various conditions which may involve-

  • Lumbar disc prolapses
  • Spondylolisthesis
  • Instability
  • Spine deformity or imbalance

Advantages of Anterior Lumbar Interbody Spine Fusion Surgery

The advantages of ALIF are

  • Less pain
  • fast recovery as compared to posterior spine fusion surgery.
  • Better fusion rate because through ALIF, a bigger interbody cage can be inserted and it increases the surface area for fusion.
  • Better correction of spinal deformity,
  • Quicker discharge from the hospital.

The procedure of the Anterior Lumbar Interbody Spine Fusion surgery

The procedure is usually done by a spine surgeon and an access surgeon who exposes the spine and hands over to the spine surgeon. A 2–3-inch incision is made with the X-ray fluoroscope on the front side of the belly. The location of the damaged disc is analyzed. After locating the damaged disc, the access surgeon exposes the involved level of the spine by carefully dissecting bowels away from the operative field. Then, the spine surgeon removes the disc and inserts a metal or PEEK cage with the bone graft into the disc space. The cage is fixed to the bone by inserting one screw each in the upper and lower vertebral bone. The abdominal incisions are then closed and muscles are sutured. Depending on the patient’s weight and problems, they may need additional percutaneous posterior fusion.
Post operatively the pain discomfort in the abdomen is treated with appropriate medicines. The patients are usually discharged 2-4 days after the procedure. Physical therapy is advised after 1-2 weeks from the surgery. An Xray has to be done after 3-6 months to assess the fusion.

Risks associated with the Anterior spine fusion surgery

Some risks and complications associated with the Anterior Lumbar Interbody Spine Fusion surgery may include-
  • Infection
  • Bleeding
  • Nerve damage
  • Blood clots in the legs
  • Retrograde ejaculation in men
  • Hernia
  • Implant failure
  • Poor fusion of the spine

If you have been suffering from a degenerative spine disease, and your spine surgeon has advised you to undergo an Anterior Lumbar Interbody Spine Fusion Surgery, then get a second opinion from another neurosurgeon and be informed about all the possible treatment options and risks associated with those.

Frequently Asked Questions

ALIF is a spine fusion surgery performed through the front of the abdomen to access the lumbar discs. It allows placement of a large fusion cage for excellent disc height restoration and deformity correction. It is recommended for severe disc degeneration, spondylolisthesis, and situations requiring maximum disc space preparation.

ALIF avoids disruption of the back muscles and is performed with the patient on their back. It allows larger implant placement, better restoration of lumbar lordosis, and excellent fusion rates. However, it requires access through the abdomen with vascular surgeon assistance, which limits its use to appropriate anatomical candidates.

Recovery after ALIF involves 3–5 days of hospitalization, with return to light activities in 4–6 weeks. A lumbar brace is often used for 6–12 weeks. Driving and heavy lifting are restricted for 6–12 weeks. Full fusion confirmation by CT scan occurs at 6 months post-surgery.