Concerns About Broken Screws After Spinal Fusion Surgery - Orthopedics

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Screw breakage after spinal fusion surgery?


Hello Dr.
Wang,
I would like to ask you a question.
I had surgery for spondylolisthesis at Chang Gung Hospital on April 5th.
However, two days ago, I experienced significant pain in my right lower back, so I used my right hand to pull my right leg upwards.
I then heard a "pop" sound.
I am concerned that this might indicate a fracture of the screws used for spinal fixation.
I have been wearing a brace.
If the screws were to break, would there be any noticeable symptoms or pain? Thank you!

Xiao Zhi, 30~39 year old female. Ask Date: 2012/04/30

Dr. Wang Shouji reply Orthopedics


Xiao Zhi: It's a muscle strain or a broken nail; an X-ray will reveal it without the need for speculation.

Reply Date: 2012/04/30

More Info


After spinal fusion surgery, concerns about the integrity of the hardware used, such as screws and rods, are not uncommon. In your case, you experienced a sudden pain and a "pop" sound after attempting to lift your leg, which understandably raises concerns about potential hardware failure. Here’s a detailed response to your question, along with some additional information regarding spinal fusion and the implications of broken screws.


Understanding Hardware Failure After Spinal Fusion
1. Symptoms of Broken Screws: If a screw or rod were to break after spinal fusion surgery, the symptoms could vary. Common signs might include:
- Increased Pain: A sudden increase in pain at the surgical site or in the surrounding areas could indicate a problem. This pain may be sharp or throbbing and could radiate to other areas.

- Instability: You might feel a sense of instability in your spine, which could manifest as difficulty in maintaining posture or balance.

- Neurological Symptoms: If the hardware failure leads to nerve compression, you may experience numbness, tingling, or weakness in your legs or feet.

- Visible Deformity: In some cases, there may be a visible change in the alignment of the spine, which could be noticeable during physical examination.

2. Immediate Actions: Given your symptoms and the noise you heard, it is crucial to take the following steps:
- Seek Medical Attention: Contact your surgeon or healthcare provider immediately. They may recommend imaging studies, such as X-rays or an MRI, to assess the integrity of the hardware and the condition of your spine.

- Avoid Strain: Until you have been evaluated, it is advisable to avoid any activities that could place additional strain on your spine, including lifting, twisting, or bending.

3. Potential Causes of Pain: The pain you are experiencing could be due to several factors:
- Muscle Strain: It is possible that the pain is a result of muscle strain from the lifting motion rather than hardware failure.

- Post-Surgical Changes: After spinal fusion, the surrounding muscles and tissues may take time to heal, and discomfort can be a normal part of the recovery process.

- Hardware Issues: While less common, issues with the screws or rods can occur, particularly if there was excessive force applied or if the hardware was not properly secured during surgery.


Additional Considerations
- Use of Brace: Wearing a brace as prescribed can help stabilize your spine and reduce the risk of injury. However, it is essential to follow your surgeon's guidelines on when and how to use it effectively.

- Follow-Up Care: Regular follow-up appointments with your surgeon are crucial for monitoring your recovery and addressing any concerns that may arise. These visits allow for timely intervention if any complications occur.

- Long-Term Outlook: Most patients experience significant improvement after spinal fusion surgery, but it is essential to remain vigilant about any new or worsening symptoms. Early detection of hardware issues can lead to better outcomes.

In summary, while the concern about broken screws is valid, it is essential to evaluate your symptoms in the context of your overall recovery. Prompt communication with your healthcare provider will help ensure that any potential issues are addressed swiftly and appropriately. Remember, your health and safety are the top priority, so do not hesitate to seek medical advice when in doubt.

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