Our Summary

This research study aimed to understand whether the body can naturally restore stability to the spine over time, following certain types of surgery. The study was conducted on sheep and specifically looked at two types of surgery: facetectomy and nucleotomy, both of which are performed without any additional support like screws and cages.

The researchers found that, six months after surgery, the sheep’s spines had regained stability, similar to what would be expected from traditional surgery using screws and cages. However, both types of surgery caused a significant decrease in the space between facet joints and the height of the intervertebral discs. This was not observed in segments adjacent to the surgery site.

Based on these findings, the researchers suggest that expensive surgical additions (like screws and cages) might not be necessary. Instead, they propose that it might be possible to stimulate the body’s natural repair mechanisms to achieve the same result in spinal fusion surgeries in humans.

FAQs

  1. What was the main purpose of this research study on spinal fusion?
  2. Did the facetectomy and nucleotomy surgeries on sheep result in a stable spine after six months similar to traditional surgery?
  3. Based on the research findings, what do the researchers suggest as a possible alternative to expensive surgical additions in spinal fusion surgeries?

Doctor’s Tip

One helpful tip a doctor might tell a patient about spinal fusion is to follow a proper rehabilitation program after surgery. This may include physical therapy exercises to help strengthen the muscles around the spine and improve flexibility. It is important to follow the guidance of your healthcare team to ensure a successful recovery and optimal outcome from the spinal fusion procedure.

Suitable For

Patients who are typically recommended spinal fusion surgery are those who have:

  1. Degenerative disc disease: This condition occurs when the discs between the vertebrae break down and cause pain and instability in the spine.

  2. Scoliosis: This is a condition in which the spine curves to the side, causing pain, deformity, and difficulty in movement.

  3. Spinal stenosis: This is a narrowing of the spinal canal, which can put pressure on the spinal cord and nerves, causing pain, numbness, and weakness.

  4. Spondylolisthesis: This is a condition in which one vertebra slips forward over the one below it, causing instability and pain.

  5. Fractures or trauma to the spine: Spinal fusion surgery may be recommended to stabilize the spine and promote healing after a fracture or severe injury.

  6. Tumors or infections in the spine: Spinal fusion surgery may be necessary to remove the tumor or infected tissue and stabilize the spine.

It is important for patients to consult with their healthcare provider to determine if spinal fusion surgery is the best treatment option for their specific condition.

Timeline

Before spinal fusion surgery, a patient may experience chronic back pain, numbness or weakness in the legs, difficulty walking or standing, and limited range of motion. They may have tried conservative treatments such as physical therapy, medication, and injections with little to no improvement.

After spinal fusion surgery, the patient will typically spend several days in the hospital for recovery. They will likely experience pain and discomfort at the surgical site, as well as restrictions on activities such as bending, lifting, and twisting. Physical therapy will be recommended to help regain strength and mobility in the spine. Over the following weeks and months, the patient will gradually resume normal activities and may experience improvements in their symptoms as the spine fuses and stabilizes. Full recovery can take several months to a year, depending on the individual and the extent of the surgery.

What to Ask Your Doctor

  1. What are the potential risks and complications associated with spinal fusion surgery?
  2. How long is the recovery process and what can I expect in terms of pain management?
  3. Will I need physical therapy after the surgery, and if so, for how long?
  4. What are the success rates of spinal fusion surgery, and what factors can affect the outcome?
  5. Are there any alternative treatments or procedures that I should consider before opting for spinal fusion surgery?
  6. Will I need any additional support devices (such as screws or cages) during the surgery, and if so, what are the benefits of using them?
  7. How long do the effects of spinal fusion surgery typically last, and are there any long-term considerations I should be aware of?
  8. Are there any lifestyle changes or precautions I should take after the surgery to ensure the best possible outcome?
  9. How often will I need to follow up with you after the surgery, and what signs should I watch for that may indicate complications?
  10. Can you explain the specific techniques and technologies you plan to use during the surgery, and how they compare to the findings of this research study on sheep?

Reference

Authors: Reitmaier S, Schuelke J, Schmidt H, Volkheimer D, Ignatius A, Wilke HJ. Journal: Clin Biomech (Bristol). 2017 Jul;46:6-14. doi: 10.1016/j.clinbiomech.2017.04.008. Epub 2017 Apr 25. PMID: 28463696