Lumbar pedicle screw fixation is a surgical procedure designed to stabilize the spine by using screws and rods to hold it together.
Understanding Lumbar Pedicle Screw Fixation
This technique is a specific method within spinal surgery aimed at providing structural support to the lumbar (lower back) region of the spine. It achieves stability by mechanically joining segments of the spinal column.
How it Works
The procedure involves:
- Screws: These are inserted into the pedicles, which are strong bony parts of the vertebrae (individual bones of the spine).
- Rods: These are then attached to the screws, creating a rigid construct that connects multiple vertebrae.
This instrumentation acts as an internal brace, holding the spinal segments firmly in place.
The Primary Goal of the Procedure
The fundamental objective of lumbar pedicle screw fixation extends beyond just holding the spine together. Its ultimate aim is to facilitate the fusion of the vertebrae.
Key aspects of its purpose include:
- Achieving Stability: Providing immediate mechanical stability to unstable or damaged areas of the spine.
- Holding in Position: Keeping the vertebrae in a desired, corrected alignment.
- Fusing Vertebrae: Encouraging the bones to grow together over time, creating a single, solid bone mass. This process, known as spinal fusion, permanently stabilizes the treated segment of the spine.
This procedure, as noted on 11-Feb-2021, is a cornerstone for addressing various spinal instabilities and deformities, by creating a stable environment for natural bone fusion to occur.