Evaluation of Subtalar Joint’s Compensatory Function in Varus Ankle Osteoarthritis Using Globally Optimal Iterative Closest Points (Go-ICP) Article Swipe
Hiroaki Kurokawa
,
Shin‐ichi Kosugi
,
Takuya Fujinuma
,
Yuya Oishi
,
Takuma Miyamoto
,
Akira Taniguchi
,
Hiroshi Takemura
,
Yasuhito Tanaka
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1177/24730114221103584
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1177/24730114221103584
Background: A previous study on 2-dimensional evaluation of the subtalar joint functioning in varus ankle osteoarthritis concluded that varus deformity was compensated for by the subtalar joint during early stages but not in the advanced stages. Although compensatory function is expected both along the axial and coronal planes, compensatory function in all 3 dimensions (3D) remains unevaluated. This study evaluated the 3D-compensatory function of a varus subtalar joint using Globally Optimal Iterative Closest Points (Go-ICP), a 3D-shape registration algorithm, after 3D-bone shape reconstruction using computed tomography. Methods: This study included 22 ankles: 4 stage 2 ankles, 5 stage 3a ankles, 6 stage 3b ankles, and 4 stage 4 ankles, categorized according to the Takakura-Tanaka classification. As the control group, 3 ankles without prior ankle injuries and disorders and 4 stage 2 ankles were included. One control ankle was used as a reference. Relative values compared with the reference ankle were evaluated in each group using Go-ICP. Each axis was set so that dorsiflexion, valgus, and abduction were positive on the X axis, Y axis, and Z axis, respectively. Results: Rotation angles of the talus (Rotation T) and calcaneus (Rotation C) on the Y axis in the control and stage 3b were −7.6, −28, −2.1, and −13 degrees, respectively, indicating significant differences. Value of Rotation T-Rotation C (Rotation T-C) represents compensatory function of the subtalar joint. In all ankles, there was a correlation between Rotation T and Rotation T-C on the Y axis and Z axis ( P < .01, r = 0.84; P < .01, r = −0.84, respectively). There was a correlation between Rotation T values on the on Y and Z axes ( P = .01, r = 0.53). Conclusion: In varus ankle osteoarthritis, the talus had varus deformity with adduction. Compensatory function in the coronal plane persisted, even in the advanced stages; however, it was not sufficiently maintained in stage 3b. Furthermore, compensatory function in the axial plane was relatively sustained. Level of Evidence: Level III, retrospective comparative study.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1177/24730114221103584
- OA Status
- gold
- Cited By
- 6
- References
- 18
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4283590718
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4283590718Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1177/24730114221103584Digital Object Identifier
- Title
-
Evaluation of Subtalar Joint’s Compensatory Function in Varus Ankle Osteoarthritis Using Globally Optimal Iterative Closest Points (Go-ICP)Work title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-04-01Full publication date if available
- Authors
-
Hiroaki Kurokawa, Shin‐ichi Kosugi, Takuya Fujinuma, Yuya Oishi, Takuma Miyamoto, Akira Taniguchi, Hiroshi Takemura, Yasuhito TanakaList of authors in order
- Landing page
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https://doi.org/10.1177/24730114221103584Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1177/24730114221103584Direct OA link when available
- Concepts
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Subtalar joint, Medicine, Ankle, Coronal plane, Orthodontics, Osteoarthritis, Calcaneus, Rotation (mathematics), Deformity, Anatomy, Mathematics, Geometry, Surgery, Alternative medicine, PathologyTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
6Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 3, 2024: 2, 2023: 1Per-year citation counts (last 5 years)
- References (count)
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18Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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