Do You Need Fixation After Microscopic Surgery for Lumbar Disc Herniation? - Neurosurgery

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Is fixation necessary after removing some of the spinous process in microsurgery? The herniated material at L4, L5, and S1 needs to be cleared.

jack, 30~39 year old female. Ask Date: 2009/03/30

Dr. Zheng Zhong reply Neurosurgery


Microsurgery theoretically does not compromise the stability of the spine, and fixation surgery should not be necessary.
However, it is currently believed that to prevent recurrent herniation after microsurgery, combining it with a "dynamic stabilization system" such as Dynesys or Coflex can reduce the chances of recurrence and degeneration.
However, these two devices are not covered by health insurance and must be paid out of pocket, costing approximately 70,000 to 80,000 NTD.

Reply Date: 2009/03/30

More Info


After undergoing microscopic surgery for lumbar disc herniation, the need for fixation largely depends on the specific circumstances of the case, including the extent of the herniation, the stability of the spine post-surgery, and the surgeon's assessment of the risk of recurrence or instability.

Microscopic surgery, often referred to as microdiscectomy, is a minimally invasive procedure aimed at removing herniated disc material that is pressing on spinal nerves. This technique typically results in less tissue damage, reduced recovery time, and smaller incisions compared to traditional open surgery. However, the decision to use fixation methods, such as spinal fusion, is influenced by several factors:
1. Extent of the Herniation: If the herniation is significant and involves multiple levels (like L4, L5, and S1), the risk of instability increases. In such cases, fixation may be recommended to provide additional support to the spine.

2. Spinal Stability: After the removal of the herniated disc material, the stability of the remaining vertebrae is crucial. If the vertebrae are deemed unstable, fixation may be necessary to prevent further complications, such as recurrent herniation or spondylolisthesis (slippage of one vertebra over another).

3. Surgeon's Judgment: The surgeon's experience and judgment play a critical role in determining whether fixation is needed. They will assess the individual patient's anatomy, the condition of the surrounding tissues, and any pre-existing spinal issues.

4. Postoperative Recovery: In some cases, surgeons may opt for a conservative approach initially, allowing the patient to recover from the discectomy before deciding on fixation. If the patient experiences persistent pain or instability during recovery, additional procedures may be warranted.

5. Patient Factors: Factors such as age, activity level, and overall health can influence the decision. Younger patients or those with higher activity levels may be more prone to instability, thus necessitating fixation.

In summary, while microscopic surgery for lumbar disc herniation can often be performed without fixation, the necessity for it is determined on a case-by-case basis. If you are considering this surgery, it is essential to have a thorough discussion with your surgeon about the potential need for fixation and the rationale behind their recommendations. They will provide insights tailored to your specific condition and help you understand the benefits and risks associated with each option.

Additionally, postoperative rehabilitation plays a vital role in recovery. Engaging in physical therapy and following a structured rehabilitation program can help strengthen the muscles supporting the spine, potentially reducing the need for fixation. Always ensure that you communicate openly with your healthcare provider about your concerns and recovery goals to make informed decisions regarding your treatment plan.

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