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Intraoperative assessment of resected condyle thickness in total knee arthroplasty

  • Knee
  • Published:
Knee Surgery, Sports Traumatology, Arthroscopy Aims and scope

Abstract

Purpose

The purpose of this study was to assess the use of resected condyle thickness measurement, obtained with caliper, when verifying the accuracy of distal femoral bone resection in total knee arthroplasty.

Methods

Fifty-two total knee arthroplasties were performed to treat osteoarthritis with varus knee. The difference of caliper-measured thickness of resected medial and lateral femoral condyles after removal of cartilage from the lateral condyle was compared with radiographically measured values. The preoperative planned valgus cut angles and the postoperative femoral component valgus angles were compared.

Results

The difference of radiograph-measured thickness averaged 2.4 ± 2.2 mm and the difference of caliper-measured thickness averaged 2.0 ± 2.1 mm (r = 0.735, P < 0.001). The postoperative femoral component valgus angle averaged 4.8° ± 1.6° (range, 2.0°–7.6°). The difference between the valgus cut angle and femoral component valgus angle averaged −0.3° ± 1.5°.

Conclusions

The confirmation of correspondence between the caliper-measured and radiographically measured thickness of resected condyles could verify the accuracy of distal femoral bone resection in total knee arthroplasty.

Level of evidence

III.

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Authors and Affiliations

  1. Department of Orthopaedic Surgery, College of Medicine, Kyung Hee University, #1 Hoeki-dong, Dongdaemun-ku, Seoul, 130-702, Korea

    Dae Kyung Bae, Sang Jun Song, Kyoung Ho Yoon & Chul Hee Lee

  2. Department of Orthopaedic Surgery, National Police Hospital, Seoul, Korea

    Jung Ho Noh

Authors
  1. Dae Kyung Bae
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  2. Sang Jun Song
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  3. Kyoung Ho Yoon
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  4. Jung Ho Noh
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  5. Chul Hee Lee
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Corresponding author

Correspondence to Sang Jun Song.

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Bae, D.K., Song, S.J., Yoon, K.H. et al. Intraoperative assessment of resected condyle thickness in total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 20, 2039–2046 (2012). https://doi.org/10.1007/s00167-011-1843-z

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  • DOI: https://doi.org/10.1007/s00167-011-1843-z

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