Spondylolysis and Its Impact on Sciatica Symptoms - Orthopedics

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Vertebral arch dissociation leading to sciatica?


Hello, Doctor.
About a year ago, I was diagnosed with spondylolysis by Dr.
Hong at your hospital.
At that time, I was advised to alleviate discomfort, strengthen my core, and avoid bending and heavy lifting.
Otherwise, surgery with two screws would be necessary.
However, due to my job requiring prolonged standing and lifting, I have been experiencing pain in my lower back and legs (on both sides of the buttocks, the back of the thighs, and the back of the calves).
Occasionally, I also feel discomfort near the tailbone.
I would like to address this issue properly.
Should I choose orthopedic surgery, neurosurgery, or rehabilitation? Is surgery the only solution? What is the likelihood of recurrence? Would PRP (Platelet-Rich Plasma) therapy be beneficial for this condition? At 28 years old, will spinal surgery lead to a higher risk of degeneration in the future? Taichung Veterans General Hospital is closer to me; if surgery is necessary, could you recommend a physician who specializes in this condition? Thank you for your help, Doctor.

Mr. Lai, 20~29 year old female. Ask Date: 2023/02/03

Dr. Chen Bochen reply Orthopedics


Hello: Vertebral arch dissociation rarely requires surgery.
Most symptoms can be alleviated by strengthening the core muscle groups and improving work and lifestyle habits.
Only in very rare cases is surgery necessary, and even then, it may not resolve the issue.
If you already have weak core strength and poor work and lifestyle habits, failing to address these issues will likely lead to dissatisfaction after surgery.
It is important to thoroughly pursue non-surgical treatments first; if there is still no improvement, then consider surgery.

Reply Date: 2023/02/03

More Info


Spondylolysis is a condition characterized by a defect or fracture in the pars interarticularis of the vertebra, often leading to instability in the spine. This condition can indeed contribute to sciatica symptoms, which are typically characterized by pain that radiates along the path of the sciatic nerve, extending from the lower back down through the hips and buttocks and into each leg. The relationship between spondylolysis and sciatica symptoms can be attributed to the structural changes in the spine that may irritate or compress the nerve roots.

In your case, the symptoms you describe—pain in the lower back, buttocks, and legs—are consistent with sciatica, which can be exacerbated by activities that put stress on the lumbar spine, such as prolonged standing or lifting heavy objects. The recommendation to strengthen your core and avoid bending or heavy lifting is crucial, as these measures can help stabilize the spine and reduce the risk of further injury.

Regarding your concerns about treatment options, it is essential to understand that surgery is not always the only solution for spondylolysis. Many patients find relief through conservative management, which may include physical therapy, pain management strategies, and lifestyle modifications. Physical therapy can help improve flexibility, strength, and posture, which are vital in managing symptoms and preventing further complications.

If conservative treatments fail to provide adequate relief, surgical options may be considered. Surgery typically involves spinal fusion, where the affected vertebrae are fused together to stabilize the spine. The decision to proceed with surgery should be made collaboratively with your healthcare provider, considering factors such as the severity of your symptoms, your overall health, and your lifestyle.

As for the risk of recurrence, it can vary depending on the individual and the specific surgical procedure performed. Generally, the recurrence of symptoms can occur if the underlying causes are not addressed or if there is a return to activities that strain the spine without proper rehabilitation.

PRP (Platelet-Rich Plasma) therapy is an emerging treatment option that has shown promise in various musculoskeletal conditions, including those affecting the spine. PRP involves injecting a concentration of platelets derived from your blood into the affected area to promote healing and reduce inflammation. While some studies suggest that PRP may help alleviate pain and improve function in patients with spondylolysis, more research is needed to establish its efficacy definitively.

Regarding your concern about spinal degeneration after surgery at a young age, it is essential to discuss this with your surgeon. While spinal fusion can stabilize the affected area, it may lead to increased stress on adjacent segments of the spine, potentially leading to degeneration over time. However, with proper rehabilitation and lifestyle modifications, many patients can maintain a healthy spine post-surgery.

In terms of choosing the right specialist, it is advisable to consult with an orthopedic surgeon or a neurosurgeon who has experience in treating spondylolysis and related conditions. They can provide a comprehensive evaluation and recommend the best course of action tailored to your specific situation.

In summary, while spondylolysis can contribute to sciatica symptoms, there are various treatment options available, ranging from conservative management to surgical intervention. It is crucial to work closely with your healthcare provider to determine the most appropriate approach for your condition.

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