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Related Experiment Videos

Periprosthetic patellar fractures.

Javad Parvizi1, Kang-Il Kim, Ali Oliashirazi

  • 1Rothman Institute of Orthopedics at Thomas Jefferson University, Philadelphia, PA 19107, USA. parvj@aol.com

Clinical Orthopaedics and Related Research
|May 5, 2006
PubMed
Summary
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Patellar fractures after total knee arthroplasty are rare but serious. This study analyzed 12 cases, finding good outcomes with nonoperative treatment for non-displaced fractures and various surgical options for others.

Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Patellar fractures are a rare complication following total knee arthroplasty (TKA).
  • These fractures can be traumatic or atraumatic, influenced by patient, surgical, and implant factors.
  • Understanding atraumatic etiologies is key to minimizing complications.

Purpose of the Study:

  • To present the outcomes of periprosthetic patellar fractures in a series of 12 patients.
  • To review the literature on the etiology, surgical strategies, and outcomes of these fractures.

Main Methods:

  • Retrospective case series of 12 patients with periprosthetic patellar fractures.
  • Treatment included nonoperative management for type I non-displaced fractures and surgical interventions for others.
  • Surgical options included open reduction/internal fixation, partial patellectomy, and total patellectomy.

Related Experiment Videos

Main Results:

  • Seven non-displaced fractures were treated nonoperatively.
  • Five fractures required surgical intervention.
  • Outcomes were excellent in 1 knee, good in 8, and fair in 3. Two reoperations and one superficial wound infection occurred.

Conclusions:

  • Nonoperative treatment is effective for non-displaced patellar fractures post-TKA.
  • Surgical strategies vary based on fracture type, with generally favorable outcomes.
  • Further research into etiologic factors may help prevent these challenging complications.