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The Bone & Joint Journal
Vol. 98-B, Issue 1_Supple_A | Pages 116 - 119
1 Jan 2016
Petrie JR Haidukewych GJ

Instability is a common indication for early revision after both primary and revision total knee arthroplasty (TKA), accounting for up to 20% in the literature. The number of TKAs performed annually continues to climb exponentially, thus having an effective algorithm for treatment is essential. This relies on a thorough pre- and intra-operative assessment of the patient. The underlying cause of the instability must be identified initially and subsequently, the surgeon must be able to balance the flexion and extension gaps and be comfortable using a variety of constrained implants.

This review describes the assessment of the unstable TKA, and the authors’ preferred form of treatment for these difficult cases where the source of instability is often multifactorial.

Cite this article: Bone Joint J 2016;98-B(1 Suppl A):116–19.


The Bone & Joint Journal
Vol. 96-B, Issue 11_Supple_A | Pages 122 - 124
1 Nov 2014
Haidukewych GJ Petrie JR Adigweme O

Although the vast majority of patients that undergo total knee replacement have satisfactory outcomes with a generally low complication rate, occasionally a patient will be encountered that has had multiple failed surgeries, and now reaches a crossroad as to whether limb salvage will be acceptable or not.

Cite this article: Bone Joint J 2014;96-B(11 Suppl A):122–4.