A Lumbar Posterior Interbody Fusion (PLIF) is a surgical procedure designed to address several issues in the lower spine, primarily aimed at stabilizing the spine and relieving chronic pain. Here are the key problems it solves:

Spinal Instability: PLIF is often used to treat conditions like spondylolisthesis, where one vertebra slips over another, causing instability and pain. The fusion stabilizes the vertebrae, preventing further slippage.

Degenerative Disc Disease: PLIF can be performed to treat degenerative disc disease, where the spinal discs lose height and cushioning ability. The procedure removes the damaged disc and inserts an interbody device filled with bone graft material to encourage the vertebrae to fuse together.

Herniated Disc: In cases of a herniated lumbar disc causing nerve compression (such as sciatica), PLIF can help relieve pressure on the spinal nerves by removing the damaged portion of the disc and stabilizing the spine.

Spinal Stenosis: The procedure is sometimes used to treat spinal stenosis, where the spinal canal narrows, compressing nerves and causing pain, numbness, or weakness in the legs. PLIF can provide stability after decompressing the nerve roots.

Chronic Lower Back Pain: By stabilizing the vertebrae and removing damaged or painful discs, PLIF can help reduce chronic lower back pain that hasn’t responded to conservative treatments like physical therapy or medication.

The goal of PLIF is to relieve pain, stabilize the spine, and restore function by allowing the vertebrae to fuse into a single, stable bone unit over time. It often improves mobility, reduces nerve compression, and prevents further degeneration.

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