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

Matthew T. Houdek, Steven F. Shannon, Chad D. Watts, Eric R. Wagner, Stephen A. Sems, Rafael J. Sierra

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)2167-2169
Number of pages3
JournalJournal of Arthroplasty
Volume30
Issue number12
DOIs
StatePublished - Dec 1 2015

Keywords

  • Outcomes
  • Patella fracture
  • Postoperative complications
  • Posttraumatic
  • Total knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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