|What is hallux rigidus? | What symptoms might I get with hallux rigidus? | What causes hallux rigidus? | I have a bunion but my toe is also very stiff and painful | What treatments are available? | What are the most common operations for hallux rigidus? | What is a debridement and how does it work? | After the operation | What is a Fusion? | The operation | After the operation | I still don't like the sound of a fusion, what about a replacement?|
The options are between operative or non-operative management.
A combination of the level of pain, radiographic stage of degeneration, the presence of deformity and the chance of success versus the degree of restriction following treatment helps to reach an informed decision as to which of the many therapies will be most appropriate.
The principle with orthotic management is to offload the big toe during walking. During normal walking the front part of the foot acts as a rocker (Diagram 1), this requires the big toe joint to both extend and take weight. By modifying a normal shoe to add a subtle rocker to the sole at the location of the joint, as well as stiffening the sole here so it doesn't bend the foot can progress forwards normally with little big toe movement and reduced forces through it. The shoe "takes the strain". (Diagram 2)
This only works when appropriately modified shoes are worn and will make little difference to a patient suffering pain at rest.
For early arthritis the big toe debridement.
For advanced arthritis the big toe fusion.
This involves accessing the joint internally, either with keyhole surgery or a standard "open" approach.
Medial open approach to big toe joint. Metatarsal head (1).
Any loose cartilage within the joint is removed and any discreet areas lacking cartilage are drilled with fine wires. This respectively removes irritants from the inside of the joint as well as allowing new, though poor quality cartilage, to form in drilled areas. In addition the excess arthritic bone (osteophyte) which forms on the top edge of the joint (2) is removed. This should allow an increased range of extension (upwards movement) post-operatively.
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