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Pain after spinal fusion may indicate a hardware failure


Back pain has many possible causes after spinal cord fusion. The backbone is a very dynamic mechanism and the attempt to produce one or more segments in a rigid unit can not produce a perfect result.

Spinal fusion serves to eliminate painful movement from the unstable segment of the spine. During the procedure, bone tissue or the like between two vertebrae are applied and the segment is fixed with rods and pulleys. Ideally, the hardware used provides sufficient stability to allow the bone tissue to melt slowly on each vertex, thereby inserting it into a rigid segment.

Many things may be defective during and after surgery. First of all, hardware can be embedded by interfering with the nerve and muscles around the spine. Although surgeons have extensive knowledge of spinal structures, the area is quite complex so that an experienced surgeon can place a screw or rod in a position to cause pain. It is possible that fusion will never happen; this is due to the excessive movement of the segment after surgery. The hardware can interrupt or relocate the healing process, causing pain and increase the risk of fusion in failure.

It is important to know that pain after surgery may indicate a hardware problem. If pain occurs after surgery (after pain in the postoperative period), there may be a problem of hardware placement or hardware migration. Sometimes, after a fusion process, the rod is displaced from the site before the fusion occurs or the tissue forms of the scars are provided. In both cases, you may experience local pain and sensitivity when the skin over the bar is tapped. They may also be signs of neurological interventions (shooting pain, numbness and / or weakness on the nerve track).

Over time, metallic fatigue may cause the bars or screws to break. This can lead to nervous pain and muscle spasms as the fragmented implant can interfere with muscle movement.

Hardware-related pain can only be solved by removing hardware in a surgical procedure

Lonstein et. al. carried out a study evaluating the complications associated with ankle screws used in spinal fuse 915 between 1984 and 1993. It was found that late-onset pain required hardware removal from those who received 24.3% of the original procedures. 20% of the removed hardware found pseudo-assault or failed fusion. In 80% of cases, hardware might be the main cause of pain. See the study in http://www.ncbi.nlm.nih.gov/pubmed/10565643?dopt=Abstract

. The above study is rather old, but new studies have been performed on spinal fusion surgery missing. The proportion of spinal fusion procedures with the largest increase in the Medicare population increased by 250% from the mid-90s. He expressed concern that surgeons were making unnecessary surgeries for gloves from hardware manufacturers.

Although spinal fusion boasts 95% or more success, it's important to note that this rate does not take into account the number of possible complications. If you feel pain after the spine fights after pain, ask the imaging tests to see if the hardware is out of order or broken.

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