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Classification of combined partial knee arthroplasty.

A Garner1,2,3, R J van Arkel4, J Cobb5

  • 1Imperial College London, MSk Lab, Imperial College London, London, UK.

The Bone & Joint Journal
|August 1, 2019
PubMed
Summary
This summary is machine-generated.

A new classification system for combined partial knee arthroplasty (CPKA) procedures is proposed to improve communication and record-keeping. Recommended terms include bi-unicondylar arthroplasty (Bi-UKA) and bicompartmental arthroplasty (BCA) for specific knee surgeries.

Keywords:
ArthroplastyBi-UnicondylarBicompartmentalClassificationKneePartialTerminologyUnicompartmental

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Area of Science:

  • Orthopaedic Surgery
  • Biomedical Engineering
  • Medical Terminology

Background:

  • Combined partial knee arthroplasty (CPKA) is gaining interest as an alternative to total knee arthroplasty (TKA).
  • Current terminology for CPKA procedures is varied, leading to confusion among healthcare professionals and patients.
  • A standardized classification is needed for patient safety, accurate records, clear communication, coding, and registry data.

Purpose of the Study:

  • To establish a standardized classification system for combined partial knee arthroplasty (CPKA) procedures.
  • To identify preferred and intuitive terminology for various CPKA configurations.

Main Methods:

  • Conducted a PubMed search using MeSH terms for knee arthroplasty procedures (TKA, UKA, PFA, CPKA).
  • Surveyed orthopaedic surgeons, trainees, and biomechanical engineers on preferred descriptive terms and abbreviations.
  • Analyzed survey results to determine consensus on terminology.

Main Results:

  • Participants favored specific terms for different CPKA combinations: bi-unicondylar arthroplasty (Bi-UKA) for medial and lateral UKA; medial bicompartmental arthroplasty (BCA-M) for medial UKA + PFA; lateral bicompartmental arthroplasty (BCA-L) for lateral UKA + PFA.
  • Tri-compartmental arthroplasty (TCA) was preferred for PFA + medial UKA + lateral UKA.
  • "Combined partial knee arthroplasty" (CPKA) emerged as the preferred umbrella term.

Conclusions:

  • Recommended terms: bi-unicondylar arthroplasty (Bi-UKA), medial bicompartmental arthroplasty (BCA-M), lateral bicompartmental arthroplasty (BCA-L), and tricompartmental arthroplasty (TCA).
  • These terms aim to standardize the classification of CPKA procedures, enhancing clarity and consistency in orthopaedic practice.