Patella Fractures Prior to Total Knee Arthroplasty: Worse Outcomes but Equivalent Survivorship

Abstract Distal femur and/or tibial plateau fractures adversely affect outcomes of TKA; however it is unknown if a previous patella fracture affects outcome. We reviewed 113 patients undergoing TKA with a previous patella fracture from 1990 to 2012. Component survival was compared to 19,641 patients...

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Bibliographic Details
Published in:The Journal of arthroplasty 2015-12, Vol.30 (12), p.2167-2169
Main Authors: Houdek, Matthew T., M.D, Shannon, Steven F., M.D, Watts, Chad D., M.D, Wagner, Eric R., M.D, Sems, Stephen A., M.D, Sierra, Rafael J., M.D
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee - adverse effects
Arthroplasty, Replacement, Knee - statistics & numerical data
Female
Femur - surgery
Fractures, Bone
Humans
Knee Joint - surgery
Male
Middle Aged
Orthopedics
Osteoarthritis - surgery
outcomes
Patella - injuries
patella fracture
postoperative complications
posttraumatic
Retrospective Studies
Tibia - surgery
total knee arthroplasty
Treatment Outcome
Young Adult
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Summary:Abstract Distal femur and/or tibial plateau fractures adversely affect outcomes of TKA; however it is unknown if a previous patella fracture affects outcome. We reviewed 113 patients undergoing TKA with a previous patella fracture from 1990 to 2012. Component survival was compared to 19,641 patients undergoing TKA for osteoarthritis during the same period. The 15-year implant survivals following a previous patella fracture was 86%. There was no difference in implant survival compared to patients undergoing TKA for OA ( P = 0.31). Knee society scores significantly improved following TKA; however patients with a fracture had complications related to knee flexion. Patients undergoing primary TKA following a patella fracture have similar overall revision free survival compared to those undergoing TKA for OA at 15-years.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2015.06.001