Non-Surgical Treatment for Fifth Metatarsal Fracture: Is It Effective? - Orthopedics

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Fracture of the right metatarsal bone?


Hello, a family member accidentally stepped into a hole abroad, resulting in a fracture of the fifth metatarsal bone in the right foot.
They are currently using a pneumatic walking boot instead of a cast.
I would like to inquire whether non-surgical treatment is appropriate for this type of injury, considering it is in a somewhat awkward area.
If treated non-surgically, will the bone heal improperly and cause walking issues? Is it true that this type of injury is difficult to heal on its own without surgery? Thank you for your assistance.

Lucas, 30~39 year old female. Ask Date: 2022/10/19

Dr. Li Wenhong reply Orthopedics


Hello: If the displacement is not significant, conservative treatment can be considered without surgery.
The proximal fifth metatarsal has the attachment of the peroneus brevis tendon, which can cause displacement or nonunion.
If the patient is young and the surgical risks are low, surgical treatment is recommended.
If surgery is not performed, as long as there is mild displacement and the fracture heals without pain, walking should not be an issue.
Changhua Hospital, Orthopedics, Dr.
Li Wen-Hong.

Reply Date: 2022/10/19

More Info


Non-surgical treatment for a fifth metatarsal fracture can indeed be effective, particularly for non-displaced fractures, which are common in this area. The fifth metatarsal, located on the outer side of the foot, is susceptible to fractures due to its position and the forces exerted during activities like walking or running. When a fracture occurs, the treatment approach often depends on the type and severity of the fracture.

In your case, since the fracture is non-displaced and you are using a walking boot or air-cushioned shoe, this is generally a recommended non-surgical treatment. The primary goal of non-surgical management is to allow the bone to heal naturally while minimizing pain and maintaining mobility. The use of a walking boot provides support and protection to the fracture site, allowing for some weight-bearing as tolerated, which can facilitate healing.

One of the concerns with non-surgical treatment is the potential for the bone to heal in a misaligned position, known as malunion. However, in cases of non-displaced fractures, the risk of malunion is relatively low, especially when proper immobilization is maintained. It’s essential to follow your healthcare provider's recommendations regarding weight-bearing activities and to monitor for any signs of complications, such as increased pain, swelling, or difficulty walking.

Regarding your concern about walking and the potential for issues if the bone heals in a misaligned position, it’s important to note that most non-displaced fractures heal well with conservative treatment. If the fracture were to heal improperly, it could lead to functional issues, such as pain during activities or difficulty with balance. However, this is less common with appropriate care and monitoring.

In terms of recovery time, most fifth metatarsal fractures heal within 6 to 8 weeks, but this can vary based on individual factors such as age, overall health, and adherence to treatment protocols. During this healing period, physical therapy may be beneficial to restore strength and mobility once the initial healing has occurred.

If you have concerns about the alignment of the bone or if you experience persistent pain or difficulty walking, it’s crucial to follow up with your healthcare provider. They may recommend imaging studies, such as X-rays, to assess the healing process and ensure that the fracture is aligning properly.

In summary, non-surgical treatment for a fifth metatarsal fracture can be effective, especially for non-displaced fractures. Using a walking boot or air-cushioned shoe is a suitable approach, and with proper care, the risk of malunion is minimized. Regular follow-ups with your healthcare provider will help monitor the healing process and address any concerns that may arise. If you have any further questions or experience any complications, don’t hesitate to reach out to your healthcare team for guidance.

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