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Background <p>This study aims to comprehensively examine the distal femoral valgus cut angle (VCA) utilized during total knee arthroplasty (TKA) in the Turkish population and identify the radiological and demographic factors influencing this critical surgical parameter.</p> Methods <p>A retrospective analysis was performed on 193 lower extremity orthoradiographs from 120 patients diagnosed with end-stage knee osteoarthritis between January 2020 and December 2023. Key radiological variables assessed included VCA, mechanical femorotibial angle (MTFA), neck-shaft angle (NSA), medial offset (MO), and lateral distal femoral angle (LDFA).</p> Results <p>The mean VCA was 6.48 ± 0.83 degrees, with no statistically significant differences observed between genders (<i>p</i> = 0.755). A moderate negative correlation was identified between VCA and NSA (<i>r</i> = −&#xa0;0.423, <i>p</i> &lt; 0.001), while weak to moderate positive correlations were observed between VCA and both MO (<i>r</i> = 0.337, <i>p</i> &lt; 0.001) and LDFA (<i>r</i> = 0.307, <i>p</i> = 0.002). No significant associations were found between VCA and the other evaluated parameters.</p> Conclusions <p>The results highlight the necessity of personalized assessment of VCA during TKA to optimize radiological outcomes, as opposed to a standardized approach. In the Turkish population, VCA is primarily influenced by NSA, MO, and LDFA, with coronal plane deformities showing no significant effect. This study emphasizes the importance of considering patient-specific anatomical variations during preoperative planning.</p>

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Valgus cut angle and the factors affecting distal femoral cut in total knee arthroplasty in the Turkish population

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月5日

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  • Uğur Yüzügüldü,
  • Enes Keleş,
  • Harun Yasin Tüzün,
  • Ali Aydilek,
  • Eda Yıldırım,
  • Ömer Erşen,
  • Cemil Yıldız

摘要

Background

This study aims to comprehensively examine the distal femoral valgus cut angle (VCA) utilized during total knee arthroplasty (TKA) in the Turkish population and identify the radiological and demographic factors influencing this critical surgical parameter.

Methods

A retrospective analysis was performed on 193 lower extremity orthoradiographs from 120 patients diagnosed with end-stage knee osteoarthritis between January 2020 and December 2023. Key radiological variables assessed included VCA, mechanical femorotibial angle (MTFA), neck-shaft angle (NSA), medial offset (MO), and lateral distal femoral angle (LDFA).

Results

The mean VCA was 6.48 ± 0.83 degrees, with no statistically significant differences observed between genders (p = 0.755). A moderate negative correlation was identified between VCA and NSA (r = − 0.423, p < 0.001), while weak to moderate positive correlations were observed between VCA and both MO (r = 0.337, p < 0.001) and LDFA (r = 0.307, p = 0.002). No significant associations were found between VCA and the other evaluated parameters.

Conclusions

The results highlight the necessity of personalized assessment of VCA during TKA to optimize radiological outcomes, as opposed to a standardized approach. In the Turkish population, VCA is primarily influenced by NSA, MO, and LDFA, with coronal plane deformities showing no significant effect. This study emphasizes the importance of considering patient-specific anatomical variations during preoperative planning.