Post-Fracture Surgery Concerns: Bone Healing and Pin Removal - Orthopedics

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Postoperative care related to fractures?


Hello, doctor.
I underwent surgery for a metacarpal and finger fracture at the end of December 2020.
About four weeks post-surgery, X-rays show that the bone has not yet healed.
Is it normal for the bone not to have healed after four weeks? Also, is it safe to remove the bone screws if the finger bones have not yet healed? The doctor mentioned concerns about adhesions and advised me to move my fingers, but I'm worried that removing the screws before the bones have healed might cause displacement.
I'm a bit concerned.

Yu Xuan, 30~39 year old female. Ask Date: 2021/01/22

Dr. Shi Guozheng reply Orthopedics


Fractures of the metacarpals and phalanges typically show signs of primary callus formation around four weeks post-injury, indicating a significant level of stability.
At that point, it is possible to remove the bone screws; however, it is also acceptable to wait until the bone has fully healed (approximately eight weeks) before removing the screws.
Nevertheless, by that time, there is a possibility that joint stiffness may occur and tendons may adhere, so it is important to consult your treating physician to determine which option is better for your specific situation.

Reply Date: 2021/01/22

More Info


Post-fracture surgery concerns, especially regarding bone healing and pin removal, are quite common among patients. It’s understandable to feel anxious about the healing process and the implications of removing pins before the bone has fully healed.
Firstly, it’s important to recognize that bone healing is a complex biological process that can vary significantly from person to person. Generally, the timeline for bone healing can depend on several factors, including the type of fracture, the age and overall health of the patient, and the specific surgical technique used. In most cases, initial signs of bone healing can be observed on X-rays within 4 to 6 weeks post-surgery. However, in some instances, it may take longer for visible signs of healing to appear, especially in cases involving complex fractures or in patients with underlying conditions such as osteoporosis.

In your case, if the X-ray taken at around 4 weeks post-surgery shows no signs of bone healing, it may still be within the realm of normal, particularly if the fracture was severe or if there are other complicating factors. It’s crucial to maintain open communication with your orthopedic surgeon, who can provide insights based on your specific situation and the nature of your fracture.

Regarding the removal of pins, this is a significant concern for many patients. Pins are often used to stabilize fractures and allow for proper alignment during the healing process. If your surgeon is suggesting that the pins be removed to prevent adhesions and to promote finger mobility, it’s likely that they believe the benefits of removal outweigh the risks. However, the timing of pin removal is critical. If the bone has not yet shown signs of healing, removing the pins could potentially lead to instability or misalignment of the fracture site.

Your concern about the possibility of the bone shifting or displacing after pin removal is valid. If the bone has not healed sufficiently, there is a risk that the fracture could become unstable, leading to complications. This is why it’s essential to follow your surgeon’s recommendations closely. They may suggest waiting a bit longer for the bone to show signs of healing before proceeding with pin removal, or they may have specific protocols in place to minimize the risk of displacement.

In summary, while it’s not uncommon for bone healing to take longer than expected, it’s essential to have regular follow-ups with your orthopedic surgeon. They can monitor your healing progress through X-rays and clinical assessments. If there are concerns about the healing process or the timing of pin removal, don’t hesitate to voice these concerns during your appointments. Your surgeon can provide the best guidance tailored to your specific case, ensuring that you achieve the best possible outcome for your recovery.
Additionally, engaging in appropriate rehabilitation exercises, as advised by your healthcare team, can help improve mobility and strength in the affected area, which is crucial for a successful recovery. Always remember that your health and safety are the top priorities, and it’s perfectly acceptable to seek clarification and express your concerns throughout your recovery journey.

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