Midfoot Fusion

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Midfoot Fusion

What is a First Midfoot Fusion?

This operation is designed to glue (fuse) the joints of the midfoot. Once the fusion occurs, there will be no movement at the fused joints and thereby the pain is eliminated in this area. You will have one to three skin incisions over the top of your foot.The arthritic joint is cleaned out by shaving off the worn out cartilage and the fusion is carried out with a small plate and screws.

There are no limits to exercise activities after the fusion has been successful.The screws typically stays in forever, unless you are able to feel it, when it can be removed if uncomfortable.

Type of procedure

This is an inpatient procedure and you will most likely be discharged the next day.

Type of anaesthesia

The operation will be undertaken under a general anaesthetic supplemented with an injection around the ankle to numb the foot (nerve block). The effect of this block will last for a few hours after surgery.

How long will the surgery take?

The surgery normally takes about 2 hours depending on the number of joints that need to be fused.

Risks of surgery

Any orthopaedic surgery carries some inherent risks and it is the surgeons responsibility to fully inform you regarding the benefits and risks of this procedure. Mr Shariff will go through this in detail with you to help you make an informed decision.
This is a fairly routine procedure with risk of:


If this occurs it is usually a superficial infection around the wound site.It settles with a course of oral antibiotics. Deep infection is extremely rare. Overall risk is 1%.

Pins & needles or patch of numbness:

Small nerve branches which supply sensation to the skin may be bruised or cut when the skin incision is made. This may cause pins and needles or a patch of numbness around the scar or the top of the foot. This feeling generally resolves within a few weeks to a couple of months. Overall risk is 5%.


The fusion is generally successful.It is rare for the joint to not fuse together. It may not fuse and remain painless in which case no intervention will be required. If there is ongoing pain, then a redo operation may be required rarely. It may take unto 12 months to be certain if the fusion has not been successful. Overall risk is 5-10%.

Clots – Deep vein thrombosis

Extremely rare in foot and ankle surgery (<5%).However you will be given blood thinning injections after surgery for 4 weeks to minimise this risk.

Recovery from surgery

What can I expect immediately after the surgery whilst in hospital?

When you wake up, it is normal to have numbness in the operated foot as the anaesthetic block will take a few hours to wear off. You will have a bulky dressing to your foot and a below knee back slab (which is half a plaster) applied. You will not be allowed to walk on the operated foot for atleast 6 weeks. The physiotherapists will make sure that you are safe on your feet before discharge and you will be provided crutches. You will also be given painkillers to take home. It is normal to experience moderate pain after surgery and you can keep this to a minimum by taking regular painkillers.

Specific recovery protocol:

Day 1 – 7

Ensure that you keep your foot elevated on pillows to help reduce swelling.
Foot wrapped in bulky bandage and below knee backslab
Not allowed to put any weight through operated leg.
Elevate leg and take pain medication
Expect numbness in foot 12-24 hours then moderate pain
Bloody drainage through bandage expected.
Do not change bandage.

Day 14

You will have a follow up visit in clinic.
You will have an Xray on arrival prior to seeing Mr Shariff
Your wound will be inspected. You will have non absorbable sutures so they will need to be removed.
You will be put into a removable boot at this stage.

6 weeks

Cast/boot removed
X-rays taken
Use the boot for about 4 more weeks
Full weight bearing is allowed
The boot can be removed at night, and for gentle movement exercises.
Swimming is permitted, but with limited pressure on the foot

12 weeks

You can expect swelling to last for about 6 months, but you will notice that it gradually starts to settle.
You will have started to wear normal foot wear by this time.

When are the post operative clinic visit schedule

2 weeks after surgery – wound check and advice regarding basic hygiene
6 weeks after surgery – X-rays and advice regarding exercise
3 months after surgery – clinical exam
6 months – final follow up and discharge

When can I begin to walk?

You are not allowed to put weight on the operated leg for atleast 6 weeks.However you will be allowed to mobilise with crutches
0 – 2 weeks – below knee backslab
3 – 10 weeks – removable boot, normal shoes thereafter.

How do I look after my surgical wound site?

Your wound should be healed 2 weeks after surgery. If you notice any redness around the wound site, get in touch with your consultant as you may have a wound infection. Do not pick on any scabs and allow them to fall off. You will be taught some massage techniques to lighten your scar.

How do I shower or wash?

Do not get your wound wet until it heals completely. You can use a waterproof cover or plastic bag over your foot when you have a shower. Only expose your wound to water after it has healed completely.

When can I get back to driving?

It is the responsibility of the driver to ensure that he/she is in control of the vehicle at all times. As a general rule, you are ready to drive when you are able to perform an emergency braking manoeuvre without pain. This usually is 6 weeks after surgery.

When can I get back to work?

Returning to work is very much dependent on the specific type of job and individual. As a rule of thumb –
• Office based sedentary work – 4 weeks
• Manual labour – 16 weeks

When can I get back to sport?

It depends on the kind of exercise, but as a general rule of thumb you can get back to sports like golf 6 months after surgery.

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