LITHGOW, Merridy J., BULDT, Andrew K., MUNTEANU, Shannon E., MARSHALL, Michelle, THOMAS, Martin J., PEAT, George, RODDY, Edward and MENZ, Hylton B. (2023). Structural foot characteristics in people with midfoot osteoarthritis: Cross‐Sectional findings from the clinical assessment study of the foot. Arthritis Care & Research.
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Abstract
Objective: This study compared radiographic measures of foot structure between people with and without symptomatic radiographic midfoot osteoarthritis (OA). Methods: This was a cross‐sectional study of adults aged 50 years and older registered with four UK general practices who reported foot pain in the past year. Bilateral weightbearing dorsoplantar and lateral radiographs were obtained. Symptomatic radiographic midfoot OA was defined as midfoot pain in the last 4 weeks, combined with radiographic OA in one or more midfoot joints (first cuneometatarsal, second cuneometatarsal, navicular‐first cuneiform, and talonavicular). Midfoot OA cases were matched 1:1 for sex and age to controls with a 5‐year age tolerance. Eleven radiographic measures were extracted and compared between the groups using independent sample t‐tests and effect sizes (Cohen's d). Results: We identified 63 midfoot OA cases (mean ± SD age was 66.8 ± 8.0 years, with 32 male and 31 female participants) and matched these to 63 controls (mean ± SD age was 65.9 ± 7.8 years). There were no differences in metatarsal lengths between the groups. However, those with midfoot OA had a higher calcaneal‐first metatarsal angle (d = 0.43, small effect size, P = 0.018) and lower calcaneal inclination angle (d = 0.46, small effect size, P = 0.011) compared with controls. Conclusions: People with midfoot OA have a flatter foot posture compared with controls. Although caution is required when inferring causation from cross‐sectional data, these findings are consistent with a pathomechanical pathway linking foot structure to the development of midfoot OA. Prospective studies are required to determine the temporal relationships between foot structure, function, and the development of this common and disabling condition.
Item Type: | Article |
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Additional Information: | ** Article version: VoR ** From Wiley via Jisc Publications Router ** Licence for VoR version of this article: http://creativecommons.org/licenses/by-nc/4.0/ **Journal IDs: issn 2151-464X; issn 2151-4658 **Article IDs: publisher-id: acr25217 **History: published_online 31-10-2023; accepted 08-08-2023; rev-recd 26-07-2023; submitted 02-02-2023 |
Identification Number: | https://doi.org/10.1002/acr.25217 |
SWORD Depositor: | Colin Knott |
Depositing User: | Colin Knott |
Date Deposited: | 02 Nov 2023 16:59 |
Last Modified: | 02 Nov 2023 17:00 |
URI: | https://shura.shu.ac.uk/id/eprint/32611 |
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