1st Metatarsophalangeal Joint Osteotomy (Chevron/ Scarf +/– Akin).
The surgery is usually undertaken with local anaesthetic in conjunction with sedation or general anaesthetic. Some patients elect to have it only under local anaesthetic and remain awake during the procedure.
The operation takes about 40 minutes, although you will be in the day surgery unit for longer. You must have a competent adult at home for the rest day and night after surgery. This allows us to be sure you will be safe for the first night. It is therefore very important that you have people to look after you and any dependants, such as children, elderly or disabled relatives, during this time.
Aims of Surgery
- To reduce pain and deformity caused by bunions.
- To straighten the big toe.
Advantages of this Operation
- Stabilises the foot and allows correction of larger deformities.
- Improves function and quality of life.
Specific Risks of this Operation
- Joint stiffness.
- Arthritis in the same or other joints.
- Transfer of pressure to the ball of the foot.
- Recurrence of symptoms.
- Damage to nerves, tendons, or blood vessels.
- Delayed or non-union of bone (bone does not knit together).
- Fixation problems (with the screws/plates/pins).
- Elevation of the first metatarsal.
- Shortening of the big toe.
- Potential need for further surgery.
- Deep vein thrombosis or pulmonary embolism.
Operation Time
Usually about 40 minutes.
Incision Placement/Stitches
Incisions are made on the top and side of the big toe joint, using absorbable stitches where possible.
Procedure
- An incision is made at the joint. A bump is removed from the side of the foot, and sometimes a tendon is released between the first and second toes.
- The first metatarsal is then cut either in a ‘>’ shape or a side-on ‘Z’ shape.
- The bone is shifted to realign the big toe joint, and one or two screws are used to hold the bone in the new position until the fracture has united (usually 4–6 weeks).
- Additionally, an Akin or closing wedge osteotomy (bone cut) of the big toe may be required.
Fixation
- Internal fixation (bone screws, plates, or wires) is usually used.
- These are typically not noticeable and do not usually need to be removed (<20%).
Will I Have Plaster?
No, you will need a special post-operative shoe for about 3–4 weeks, then transition to lace-up supportive shoes.
Is This a Day Procedure?
Yes, you will the same day.
Estimated Time Off Work
- Non-manual work: approximately 4 weeks.
- Manual work: 5–6 weeks.
Indications for the Procedure
- Painful bunions.
- Inability to fit into shoes.
- Blisters or risk of ulceration.
Alternative Treatments
Manage symptoms by altering activity levels, using painkillers and anti-inflammatories, changing footwear (including bespoke options), joint injection therapy, and using an insole or orthotic foot support (note that insoles, orthoses, or toe splints have not been shown to correct toe deformity).
Post-Operative Care
First 2–4 days after surgery
This is the time you are likely to have the most pain, but you will be given painkillers to help. You must rest completely for 2–4 days.
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You will be able to stand and take weight on your operated foot after the operation, but you must rest, with your feet up, as much as possible.
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You should restrict your walking to going to the bathroom, the sofa and to bed.
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You can get about a little more after 3 days.
1 week after surgery
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You will need to attend an appointment for your foot to be checked and, if necessary, redressed.
Between 4–6 weeks after surgery
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The bandages will be removed if all is proceeding well and you will be allowed to start walking in normal shoes.
Between 4–8 weeks after surgery
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If all has gone well you will be able to start wearing a good lace-up shoe/trainer.
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The foot will still be swollen and twinges of discomfort are not uncommon at this time due to your increasing activity.
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You will be instructed regarding rehabilitation exercises, or you may be referred to a physiotherapist.
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You may return to non-manual work, but may need longer if you have an active job.
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You may return to driving if you can perform an emergency stop. You must check with your insurance company and Mr. Cichero before driving again.
Between 12–16 weeks after surgery
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The foot should continue to improve and begin to feel normal again.
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There will be less swelling.
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Sport can be considered depending on your recovery.
6 months after surgery
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The swelling should now be slight and you should be getting the full benefit of surgery.
12 months after surgery
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The foot has stopped improving with all healing complete.
Please note, if a complication arises, recovery may be delayed.
Start your healthcare journey
For more information, questions or queries, please email us or call 01872 392087.