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Publication
Peri-Prosthetic Bone Cysts After Total Ankle Replacement. A Systematic Review and Meta-Analysis
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Advisor(s)
Abstract(s)
Background: Periprosthetic cystic osteolysis is a well-known complication of total ankle replacement. Several theories have been proposed for its aetiology, based on individual biomechanical, radiological, histopathology and outcome studies.
Methods: Studies that met predefined inclusion/exclusion criteria were analysed to identify literature describing the presence of peri-prosthetic ankle cystic osteolysis. Quantitative data from the selected articles were combined and statistically tested in order to analyse possible relations between ankle peri-prosthetic bone cysts and specific implant characteristics.
Results: Twenty-one articles were elected, totalizing 2430 total ankle replacements, where 430 developed peri-prosthetic cystic osteolysis. A statistically significant association (P<.001) was found between the presence of bone cysts and non-anatomic implant configuration, hydroxyapatite-coating, mobile-bearing and non tibial-stemmed implants. No significant association existed between the type of constraining and the presence of cysts (P>.05).
Conclusions: Non-anatomic, mobile-bearing, hydroxyapatite-coated and non tibial-stemmed total ankle replacements are positively associated with more periprosthetic bone cysts.
Description
Keywords
HCC ORT Ankle Joint / diagnostic imaging Ankle Joint / surgery Arthroplasty, Replacement, Ankle / adverse effects Bone Cysts / diagnosis Bone Cysts / etiology Bone Cysts / surgery Humans Joint Prosthesis / adverse effects Postoperative Complications Tomography, X-Ray Computed
Citation
Foot Ankle Surg. 2019 Apr;25(2):96-105.