In the selection and use of orthopedic external fixation braces, clinicians, rehabilitation therapists, and even patients often make some common mistakes. These errors can range from affecting the therapeutic effect of the brace to potentially causing secondary injuries or delaying treatment. Below are some of the most common mistakes summarized from clinical practice.
1. Inappropriate Size Selection
Braces that are too large or too small are the most common errors. Oversized braces cannot provide effective fixation, allowing abnormal joint movement and failing to provide protection; they are also prone to slipping, causing pressure sores or blisters due to skin friction. Undersized braces, on the other hand, can excessively compress soft tissues, affecting blood circulation and even causing nerve compression. Many users estimate the size based on their intuition rather than strictly measuring the limb circumference and length according to the product instructions, which is the root cause of the error.
2. Incorrect Wearing Position
Even if the brace size is correct, incorrect wearing position can lead to fixation failure. For example, the rotation center of a knee hinge brace may not be aligned with the femoral condyle, or the wrist brace may not place the wrist in a neutral position. A common problem is that patients, seeking comfort, adjust the angle or position of the brace themselves, causing it to lose its proper biomechanical alignment. Clinical observations show that in a significant number of cases, follow-up imaging after brace use reveals significant displacement of the fracture ends, precisely because of incorrect positioning.
3. Ignoring Indications and Contraindications
Each type of brace has clearly defined uses and contraindications. For example, a soft neck brace is suitable for neck muscle strain, but it is largely ineffective for cervical spine fractures and dislocations, and may even delay diagnosis by restricting normal activity. Another typical mistake is using an elastic ankle brace for an acute lateral collateral ligament tear of the ankle—in this case, a rigid or semi-rigid brace is needed, not just a compressible elastic sleeve. Blindly believing that “wearing it guarantees safety” without distinguishing between static fixation, dynamic fixation, or functional braces is a common misconception.
4. Incorrect Wearing Time
This includes both insufficient and excessive wearing time. Patients, due to discomfort or inconvenience, only wear the brace during activity and remove it during rest, leading to unconscious nighttime activity that aggravates the injury. Conversely, prolonged continuous use without removal for cleaning and skin examination can cause skin maceration, odor, and bacterial or fungal infections. Immobilizing a joint beyond the necessary time can also lead to joint stiffness, muscle atrophy, and decreased proprioception. The correct approach is to follow medical advice, specifying the daily wearing time and whether intermittent removal is necessary.
5. Neglecting Soft Tissue Management
Braces come into direct contact with the skin, but many people neglect padding, cleaning, and pressure distribution. Unpadded or insufficiently padded areas (such as the olecranon, medial malleolus, and lateral malleolus) are prone to pressure sores. Excessively thick or uneven padding can cause the brace to loosen and lose its fixation effect. Furthermore, failing to check the blood supply, sensation, and motor function of distal limbs after wearing a brace until numbness, cyanosis, or severe pain occurs may lead to irreversible damage.
6. Self-Adjustment or Modification
To save money or for convenience, patients or their families may cut, bend metal supports, or repair with tape, compromising the structural integrity and mechanical properties of the brace. Such modified braces fail to provide the expected fixation and may cause sharp edges that cut the skin. Serious complications, such as fracture ends puncturing blood vessels, have been reported clinically due to self-modified braces.
Conclusion
The effectiveness of orthopedic braces depends on correct selection, appropriate size, accurate placement, and reasonable usage time. Avoiding the common mistakes mentioned above requires detailed guidance from doctors, strict patient adherence, and regular follow-up assessments during use. Braces are merely treatment tools; improper use renders them ineffective or even harmful.