Managing Fifth Metatarsal Fractures: Key Questions and Insights - Orthopedics

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Management of fifth metatarsal fracture?


On November 12th, I sprained my ankle, and after one day of swelling and inability to walk, I had an X-ray.
The doctor indicated that I am currently in the acute phase, and both MRI and ultrasound only show a lot of inflammatory tissue, making it difficult to determine if there is a ligament tear.
I need to wait for the bruising to subside before further evaluation.
I have three questions: 1.
If there is bruising, does that mean I cannot undergo an ultrasound? 2.
How long after the injury should I wait to have the above two tests done to confirm if there is a ligament tear? 3.
Is there a difference in healing outcomes between performing surgery for a fracture and surgery for a ligament tear separately versus simultaneously?

Pete, 20~29 year old female. Ask Date: 2017/11/13

Dr. Hong Ximing reply Orthopedics


Hello: A fifth metatarsal fracture should be assessed through X-rays to determine if surgical treatment is necessary.
Swelling and bruising after the injury are unavoidable, and it is not always necessary to perform ultrasound or MRI.
Please trust the recommendations of a professional orthopedic surgeon.
Wishing you a speedy recovery! Hong Hsi-Ming

Reply Date: 2017/11/13

More Info


Managing fifth metatarsal fractures, particularly in the context of an ankle sprain, involves understanding the nature of the injury, the appropriate diagnostic tools, and the treatment options available. Based on your situation, let’s address your questions one by one.

1. Can ultrasound be performed with the presence of bruising?
Yes, ultrasound can still be performed even if there is bruising present. However, the quality of the ultrasound images may be affected by the surrounding edema (swelling) and hematoma (bruising). The presence of these factors can obscure the view of the underlying structures, making it more challenging to assess the condition of the ligaments and tendons accurately. In acute injuries, the focus is often on managing pain and swelling first, which may delay the clarity of imaging results.

2. How long after the injury should I wait to confirm if the ligament is torn?
Generally, it is advisable to wait until the acute swelling and bruising have subsided before conducting imaging studies like MRI or ultrasound to assess ligament integrity. This could take anywhere from a few days to a couple of weeks, depending on the severity of the injury. Typically, waiting about 1-2 weeks post-injury allows for a clearer view of the ligaments, as the edema will have decreased, making it easier to identify any tears or ruptures.

3. Is there a difference in healing outcomes between performing fracture and ligament surgeries separately versus simultaneously?
Yes, there can be differences in healing outcomes based on whether surgeries for fractures and ligament injuries are performed separately or simultaneously. Performing both surgeries at the same time can be beneficial as it allows for a more comprehensive approach to the injury, potentially reducing the overall recovery time. However, it also depends on the specific circumstances of the injuries, the patient's overall health, and the surgeon's assessment.
If the fractures and ligament injuries are significant, simultaneous surgery may help ensure that both issues are addressed in one recovery period, which can be more efficient. Conversely, if one injury is more severe than the other, or if the surgical risks are higher when combining procedures, the surgeon may recommend staging the surgeries. This approach allows for focused recovery on one injury at a time, which can sometimes lead to better outcomes for complex injuries.

In addition to these answers, it is essential to follow your healthcare provider's recommendations closely. They will consider your specific case, including the extent of the injuries, your overall health, and your activity level, to determine the best course of action.
Post-injury management typically includes rest, ice, compression, and elevation (RICE) to control swelling and pain. Once the acute phase has passed, physical therapy may be recommended to restore strength and range of motion. If surgery is indicated, your surgeon will provide detailed instructions on pre-operative and post-operative care.

Lastly, it’s crucial to communicate openly with your healthcare team about your symptoms and any concerns you have during your recovery. They can provide guidance tailored to your specific situation, ensuring the best possible outcome.

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