Analysis of Failed Ankle Arthroplasty Components.

Background:: Although advances in joint-replacement technology have made total ankle arthroplasty a viable treatment for end-stage arthritis, revision rates for ankle replacements are higher than in hip or knee replacements. The questions asked in this study were what can retrieved ankle devices demonstrate about ankle arthroplasty failures and how can understanding the causes of these failures inform clinical decisions for current and future ankle arthroplasty patients?

Methods:: An IRB-approved retrieval laboratory received retrieved components and surgeon-supplied reason for revision from 70 total-ankles (7 designs, including 5 currently marketed designs) from 2002 to 2018. These retrievals were rated for clinical wear and damage.

Hallux valgus.

Hallux valgus is a common foot problem whose cause and progression is multifactorial, complex, and poorly known. Hallux valgus shows a predilection toward women. It is a progressive disorder with no treatment known to slow or stop progression.

Is total ankle arthroplasty a cost-effective alternative to ankle fusion?

Background: Total ankle arthroplasty (TAA) implantation is increasing, as the potential for pain relief and restoration of function and risks are compared with those for ankle fusion. A previous analysis with a simple decision tree suggested TAA was cost-effective compared with ankle fusion. However, reevaluation is warranted with the availability of newer, more costly implants and longer-term patient followup data.

Ankle ligaments on MRI: appearance of normal and injured ligaments.

Objective: The objective of our study was to provide a pictorial survey of MR images of ankle ligaments in various conditions from intact to disrupted.

Conclusion: MR images of ankle ligaments from a sample of patients with ankle pain or injury are presented and reviewed.

Evaluation and treatment of chronic ankle pain.

The evaluation and treatment of chronic ankle pain presents a challenge to the orthopaedic surgeon. A detailed history helps to determine causative factors resulting from earlier trauma or surgery. A careful physical examination and radiographic studies also are helpful in making an accurate diagnosis, which is the basis for choosing a specific and effective treatment regimen.