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Two years follow-up of patients with knee varus deformity and medial meniscus extrusion after medial opening wedge high tibial osteotomy and arthroscopic meniscus centralization

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Abstract

Purpose

This is a retrospective study and aims to investigate the clinical outcomes of patients with knee varus deformity and extruded medial meniscus who underwent arthroscopic meniscus centralization and medial opening wedge high tibial osteotomy.

Methods

A total of 24 patients were included in the trial, and arthroscopy intraoperative photographs and standing preoperative and postoperative radiographs were taken to analyze the mechanical tibiofemoral angle and tibial plateau inclination. Postoperative complications and knee motion were recorded, and the surgical results were evaluated using the knee society score.

Results

The study observed four cases of surgery-related complications among all patients, but no major complications were reported. The surgery significantly improved knee flexion degrees and total knee range of motion. Satisfactory outcomes were shown in postoperative radiographs and secondary intraoperative photographs. The knee score increased from 39.6 ± 10.0 to 80.1 ± 9.0, and the functional score improved from 48.1 ± 6.9 to 89.4 ± 5.5. The preoperative tibial plateau inclination was 5.3 ± 0.7, while the postoperative data showed a decrease to 4.2 ± 0.7. The preoperative mechanical tibiofemoral angle was − 7.7 ± 1.0, and it improved in all patients postoperatively to 2.8 ± 0.9.

Conclusion

By alternating the knee biomechanics and significantly improving symptoms and quality of life, arthroscopic medial meniscus centralization and medial open wedge high tibial osteotomy units are confirmed to be an effective alternative treatment for knee varus deformity.

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Authors and Affiliations

  1. Jiading Branch of Shanghai General Hospital, Jiading District Jiangqiao Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China

    Miao Wang, Yun-peng Bai, Wei-bing Sun & Jian Sun

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  1. Miao Wang
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  2. Yun-peng Bai
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Correspondence to Wei-bing Sun or Jian Sun.

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Informed consent was obtained from all individual participants included in the study.

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The authors declare no competing interests.

The data offered in the trial was collected by the authors and it is credible and completely authentic.

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Yun-peng Bai contributed equally to this work and share first authorship.

Wei-bing Sun contributed equally to this work and share corresponding authorship.

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Wang, M., Bai, Yp., Sun, Wb. et al. Two years follow-up of patients with knee varus deformity and medial meniscus extrusion after medial opening wedge high tibial osteotomy and arthroscopic meniscus centralization. International Orthopaedics (SICOT) 48, 481–486 (2024). https://doi.org/10.1007/s00264-023-05959-8

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