Understanding the bone healing process and its complications
After a hand or wrist fracture, bone follows a natural healing process. The duration of this process depends on the bone involved, the type of fracture, its stability, vascularization and the patient's general health.
In some cases, healing may be slower than expected (delayed union) or insufficient (non-union). This page helps you understand these situations and the management options available.
Delayed union refers to bone healing that is slower than expected, while still showing progression on clinical and radiological examination.
This situation does not necessarily mean there is a serious problem. It may simply reflect individual variability in the healing process. Appropriate monitoring and sometimes treatment adjustment generally lead to satisfactory healing.
Non-union refers to a situation where healing is insufficient or no longer progressing as expected. This situation requires specialized evaluation to determine the best management.
It is important to note that this evaluation is not based on a fixed duration. It depends on clinical context, fracture type, bone involved and radiological progression.
These signs alone do not allow a diagnosis, but they warrant medical evaluation:
Pain that persists or increases at the precise fracture location, especially during mobilization or pressure.
A painful area on palpation that does not improve over time.
Functional limitation that persists beyond the expected period despite rehabilitation.
Abnormal mobility at the fracture site or progressive deformity.
Several factors can affect the bone healing process. It is important to understand that these factors are not a cause for blame, but elements to consider to optimize healing.
Management depends on many factors and is always personalized. Here are the main options:
If healing is progressing, even slowly, regular clinical and radiological monitoring may suffice, with adjustment of immobilization or rehabilitation if necessary.
Modification of treatment protocol to optimize healing conditions: prolonged immobilization, change of splint type, rehabilitation adjustment.
Sometimes necessary depending on fracture site, stability, alignment and vascularization. The procedure may aim to improve stability, correct alignment, provide bone (bone graft) or improve vascularization.
The European Institute for Hand Surgery team is available to assess your situation