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[Patellectomy as a salvage operation].

G Blatter1, R W Jackson, O Bayne

  • 1Kantonsspital St. Gallen.

Der Orthopade
|August 1, 1987
PubMed
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This summary is machine-generated.

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Patellectomy outcomes vary by surgical technique and indication. The purse-string technique showed high success rates for patellar fractures, while results for chondromalacia were unpredictable.

Area of Science:

  • Orthopedic Surgery
  • Knee Reconstruction

Background:

  • Patellectomy, the surgical removal of the kneecap, is performed for various knee conditions.
  • Long-term outcomes and comparative effectiveness of different patellectomy techniques remain an area of interest.

Purpose of the Study:

  • To evaluate the long-term clinical outcomes of patellectomy.
  • To compare the effectiveness of different surgical techniques for patellectomy.
  • To analyze outcomes based on the primary indication for surgery.

Main Methods:

  • Retrospective review of 113 patellectomies performed between 1965 and 1983.
  • Patients were categorized by surgical technique: purse-string (40), vastus medialis (24), and other (49).
  • Outcomes assessed included pain, range of motion, stability, swelling, quadriceps strength, activity levels, and cosmetic results via interview, physical examination, Cybex, and radiography.

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Main Results:

  • Overall good or excellent results were achieved in 81% of purse-string, 79% of vastus medialis, and 73% of other technique groups.
  • Patellectomy for comminuted patellar fractures yielded excellent results in 75% of cases.
  • Clinical outcomes varied by indication: fair for arthritis, favorable for recurrent dislocations, and variable for chondromalacia.

Conclusions:

  • The purse-string technique demonstrated favorable outcomes, particularly for patellar fractures.
  • Surgical technique and the underlying indication significantly influence the clinical success of patellectomy.
  • Patellectomy outcomes for chondromalacia are not predictable, suggesting careful patient selection is crucial.