Keywords
implant survival
endoprosthetics of the knee
exits
registies
revision risks
How to Cite
Abstract
Summary. Joint replacement registries are well established and have an important impact on decision making and clinical practice. The objective of this article was to review orthopedic registries to examine aspects of patient demographics, implant use, and revision outcomes in relation to knee replacement surgery. Six national arthroplasty registries with more than 10 years of data were selected for a review. Despite the geographic diversity, the demographics of patients referred for surgery and subcategories of surgery were remarkably similar. For cemented total knee replacement, minimally stabilized devices have been preferred in most countries, and a revision-free result can be expected in more than 94% of cases after 10 years. Partial replacements were used in 6% to 15% of primary cases and had higher revision rates than total replacements, but had lower postoperative mortality and fewer infectious complications. Patellofemoral replacements are used in 1% or less of cases and have a high revision rate.
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