Post-Surgery Incontinence After Spine Surgery - Neurosurgery

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Postoperative incontinence after spinal surgery?


My father had surgery at the end of February and is currently undergoing rehabilitation.
However, he still experiences weakness in both legs, and from late April to early May, he has been experiencing fecal incontinence.
I would like to ask the doctor why this is happening, as the X-rays appear to show no issues.

Xiao Pin, 30~39 year old female. Ask Date: 2023/05/05

Dr. Lai Zhaokang reply Neurosurgery


Hello: What were the symptoms before the surgery? After the surgery, did the original symptoms improve? Are there any new symptoms? For the post-operative condition, it is advisable to consult the original surgeon! Best wishes, Dr.
Lai Chao-Kang.

Reply Date: 2023/05/05

More Info


Post-surgery incontinence, particularly after spine surgery, can be a concerning and distressing issue. It is essential to understand the potential causes and the mechanisms behind this condition, especially in the context of spinal surgeries.

Firstly, the spine is a complex structure that houses the spinal cord, which is responsible for transmitting signals between the brain and the rest of the body. Any surgical intervention on the spine, especially in the lumbar region, can potentially affect the nerves that control bowel and bladder functions. The lumbar spine, particularly the lower segments (L4-L5 and S1), is closely associated with the nerves that innervate the pelvic floor and the anal sphincter. If these nerves are compromised during surgery, it can lead to issues such as incontinence.

In your father's case, the fact that he is experiencing both lower limb weakness and bowel incontinence suggests that there may be some involvement of the cauda equina or the sacral nerve roots, which are responsible for lower extremity function and bowel control. This could be due to several factors:
1. Nerve Compression: Even if the X-rays appear normal, there could still be swelling or inflammation around the surgical site that is compressing the nerves. This can lead to neurological deficits, including weakness and incontinence.

2. Postoperative Edema: After surgery, it is common for swelling to occur in the surrounding tissues. This edema can exert pressure on the nerves, leading to temporary dysfunction.

3. Surgical Trauma: The surgical procedure itself may have inadvertently affected the nerve roots or the surrounding structures, leading to a disruption in normal nerve function.

4. Underlying Conditions: If your father had pre-existing conditions affecting his spine or nerves, these could be exacerbated by the surgery.

5. Recovery Process: Recovery from spinal surgery can be a lengthy process, and it is not uncommon for patients to experience various neurological symptoms as they heal. The nerves may take time to recover from the trauma of surgery.

Given these possibilities, it is crucial to follow up with your father's healthcare provider. Here are some steps that may be recommended:
- Neurological Evaluation: A thorough neurological examination can help assess the extent of nerve involvement and determine if there are any specific areas of concern that need to be addressed.

- Imaging Studies: While X-rays may not show soft tissue issues, an MRI or CT scan can provide a more detailed view of the spinal canal and surrounding structures to identify any potential causes of nerve compression.

- Physical Therapy: Engaging in a structured rehabilitation program can help improve strength and function in the lower limbs, which may also aid in the recovery of bowel control.

- Medication: Depending on the findings, medications may be prescribed to manage inflammation or nerve pain, which can facilitate recovery.

- Surgical Consultation: If there is significant concern about nerve damage or if conservative measures do not lead to improvement, a consultation with a neurosurgeon or orthopedic surgeon may be warranted to discuss potential interventions.

In summary, while incontinence after spine surgery can be alarming, it is essential to approach the situation with a comprehensive understanding of the underlying mechanisms. Close communication with healthcare providers, timely evaluations, and appropriate interventions can significantly improve outcomes and quality of life for your father.

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