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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Related Experiment Video

Updated: Jul 20, 2025

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

Outcomes in Ankle Replacement Study (OARS).

Toby O Smith^1,2, Jack Dainty², David T Loveday³

¹Warwick Medical School, University of Warwick, Coventry, UK.

The Bone & Joint Journal

|July 31, 2023

Summary

This summary is machine-generated.

Total ankle arthroplasty (TAA) significantly improves patient outcomes, with most gains seen by six months. Older patients and those with advanced osteoarthritis experience greater benefits from TAA.

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Area of Science:

Orthopedic Surgery
Biomedical Engineering
Rehabilitation Medicine

Background:

End-stage ankle disease significantly impacts patient quality of life.
Total ankle arthroplasty (TAA) is a surgical option for managing severe ankle osteoarthritis.
Understanding patient-reported outcome measures (PROMs) is crucial for evaluating TAA success.

Purpose of the Study:

To assess 12-month outcomes in a multicentre cohort of patients following TAA.
To describe the pattern of PROMs at 12 months post-TAA.
To identify predictors of TAA outcomes.

Main Methods:

Prospective data collection of PROMs (MOXFQ, EQ-5D-5L) at pre-operative, 6-month, and 12-month intervals.
Inclusion of 238 patients from 19 NHS hospitals undergoing primary TAA.
Multivariate regression analysis to identify predictors of PROMs and relationships between outcome measures.

Main Results:

Significant improvements in MOXFQ and EQ-5D-5L scores were observed at 6 and 12 months post-TAA (p < 0.001).
The majority of improvement occurred within the first six months, with minimal additional change by 12 months.
Older age and more advanced radiological osteoarthritis at baseline predicted greater improvement in MOXFQ scores.

Conclusions:

TAA provides significant benefits for patients with end-stage ankle disease.
Assessing PROMs at six months post-TAA appears sufficient to evaluate surgical success.
Predictors of outcome, such as age and disease severity, can inform patient counseling regarding TAA expectations.