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Gepubliceerd in: Journal of Foot and Ankle Research 1/2011

Open Access 01-12-2011 | Oral presentation

Development and reliability of an intra-operative first metatarsophalangeal joint cartilage evaluation tool for use in hallux valgus surgery

Auteurs: Simon E Smith, Karl B Landorf, Mark F Gilheany, Hylton B Menz

Gepubliceerd in: Journal of Foot and Ankle Research | bijlage 1/2011

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Background

There is increasing interest in surgical outcomes of hallux valgus (HV) reconstruction. However, there has been little focus on the influence of cartilage degeneration that is identified within the first metatarsophalangeal joint (1st MTPJ) at surgery. A reliable evaluation tool to accurately record cartilage erosion within the 1st MTPJ is desirable, and should be part of evidence-based reporting on surgical reconstruction for HV. The objective of this study was to examine the reliability of an intra-operative evaluation tool for assessing cartilage degeneration of the 1st MTPJ in hallux valgus.

Methods

During hallux valgus reconstruction surgery, two examiners documented the location, depth and surface area of cartilage lesions affecting the 1st MTPJ in 20 females aged 17 to 69 years (mean 50.9, SD. 13.5). Depth of cartilage lesions was assessed using the 5-level International Cartilage Repair Society (ICRS) scale and a 3-level scale (normal, partial thickness, full thickness). Inter-examiner reliability of lesion location and depth was assessed using absolute percentage agreement and kappa (κ) statistics, and inter-examiner reliability of lesion surface area was assessed using intra-class correlation coefficients (ICCs) and 95% limits of agreement (LOAs).

Results

For lesion location, percentage agreement ranged from 90 to 100% and κ values ranged from 0.78 to 1.00, reflecting substantial to excellent levels of agreement. For lesion depth using the ICRS and 3-level scale, percentage agreement ranged from 33 to 100% and weighted κ values ranged from 0 to 1.00, reflecting poor to excellent levels of agreement. For lesion surface area, the ICC was 0.98 (95% CI, 0.97 to 0.99) and 95% LOA was 0.74 to 1.41, indicating excellent reliability.

Conclusions

The results of this study demonstrate a generally high degree of reliability between examiners for the intra-operative use of the 1st MTPJ cartilage evaluation tool. The tool may have some value in predicting surgical outcomes associated with hallux valgus.
This article is published under license to BioMed Central Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://​creativecommons.​org/​licenses/​by/​2.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Metagegevens
Titel
Development and reliability of an intra-operative first metatarsophalangeal joint cartilage evaluation tool for use in hallux valgus surgery
Auteurs
Simon E Smith
Karl B Landorf
Mark F Gilheany
Hylton B Menz
Publicatiedatum
01-12-2011
Uitgeverij
BioMed Central
Gepubliceerd in
Journal of Foot and Ankle Research / Uitgave bijlage 1/2011
Elektronisch ISSN: 1757-1146
DOI
https://doi.org/10.1186/1757-1146-4-S1-O45