Different radius of curvature at the talus trochlea from northern Chinese population measured using 3D model.

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  • Additional Information
    • Source:
      Publisher: BioMed Central Country of Publication: England NLM ID: 101265112 Publication Model: Electronic Cited Medium: Internet ISSN: 1749-799X (Electronic) Linking ISSN: 1749799X NLM ISO Abbreviation: J Orthop Surg Res Subsets: MEDLINE
    • Publication Information:
      Original Publication: London : BioMed Central, 2006-
    • Subject Terms:
      Talus*/anatomy & histology ; Talus*/diagnostic imaging ; Imaging, Three-Dimensional*/methods ; Tomography, X-Ray Computed* ; Asian People*; Humans ; Male ; Female ; Adult ; Middle Aged ; China ; Young Adult ; Aged ; Age Factors ; Sex Factors ; East Asian People
    • Abstract:
      Background: To analyze the curvature characteristics of the talus trochlea in people from northern China in different sex and age groups.
      Methods: Computed tomography scanning data of talus from 61 specimens were collected and constructed as a three-dimensional model by Materialise's Interactive Medical Image Control System(MIMICS) software, anteromedial(AM), posteromedial(PM), anterolateral(AL), and posterolateral(PL) edge, anterior edge of medial trochlea, posterior edge of medial trochlea and anterior edge of lateral trochlea were defined according to the anatomical landmarks on trochlear surface. The curvature radii for different areas were measured using the fitting radius and measure module.
      Results: There were significant differences among the talus curvatures in the six areas (F = 54.905, P = 0.000), and more trends in the analytical results were as follows: PM > PL > MP > AL > MA > AM. The average PL radius from specimens aged > 38 years old was larger than that from specimens aged < = 38 years (t=-2.303, P = 0.038). The talus curvature of the AM for males was significantly larger than that for females (t = 4.25, P = 0.000), and the curvature of the AL for males was larger than that for females (t = 2.629, P = 0.010). For observers aged < = 38 years, the AM curvature of the right talus in the male group was significantly larger than that in the female group (P < 0.01). In age < = 38years group, the MA curvature of right talus in male was significantly larger than in female group(P < 0.01), fitting radius of talus for male (21.90 ± 1.97 mm) was significantly greater than female of this(19.57 ± 1.26 mm)(t = 6.894, P = 000). The average radius of the talus in the male population was larger than that in the female population.
      Conclusion: There was no significant relationship between age and talus curvature for males and females. The radius of curvature in the posterior area was significantly larger than that in the anterior area. We recommend that this characteristic of the talus trochlea should be considered when designing the talus component in total ankle replacement (TAR).
      (© 2024. The Author(s).)
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    • Grant Information:
      2021SF-186 Social Development Science and Technology Project of Shaanxi Province
    • Contributed Indexing:
      Keywords: Artificial ankle prosthesis; Computer-aided design; Curvature of talar trochlea; Osteoarthritis; Talus necrosis
    • Publication Date:
      Date Created: 20240426 Date Completed: 20240427 Latest Revision: 20240429
    • Publication Date:
      20240429
    • Accession Number:
      PMC11055296
    • Accession Number:
      10.1186/s13018-024-04751-7
    • Accession Number:
      38671519