Ankle Arthritis

Question 1

What is the most common cause of ankle arthritis?

Answer 1

Post-traumatic arthritis accounts for more than 2/3 of cases.
Degenerative OA accounts for less than 10%

Question 2

Single rocker shoe modification can improve gait symptoms and pain in what disease?

Answer 2

Ankle arthritis

Question 3

What treatment modality is indicated in Takkura 2 or 3A ankle arthritis (medial joint space narrowing)?

Answer 3

Supramalleolar osteotomy

Question 4

What are risk factors for non-union in arthrodesis for ankle arthritis?

Answer 4

1) smoking
2) Adjacent joint fusion
3) Previous failed arthrodesis
4) Avascular necrosis

Question 5

What is the ideal patient for total ankle arthroplasty?

Answer 5

Old, post-traumatic or RA

Question 6

What are contraindications to total ankle arthroplasty?

Answer 6

1) Uncorrectable deformity
2) Talus osteonecrosis
3) Ankle instability
4) Young laborers
5) Obesity
6) Charcot joint

Question 7

Patients with tibiotalar fusion have significant rates of what, at long term follow-up?

Answer 7

Subtalar arthrosis