Influence of investigator experience on reliability of adult acquired flatfoot deformity measurements using weightbearing computed tomography.

MedStar author(s):
Citation: Journal of Foot & Ankle Surgery. 25(4):495-502, 2019 Aug.PMID: 30321961Institution: MedStar Union Memorial HospitalDepartment: Orthopaedic SurgeryForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Clinical Competence | *Flatfoot/dg [Diagnostic Imaging] | *Weight-Bearing | Adult | Body Weights and Measures | Female | Humans | Male | Middle Aged | Observer Variation | Prospective Studies | Reproducibility of Results | Tomography, X-Ray ComputedYear: 2019Local holdings: Available online through MWHC library: 2003 - present, Available in print through MWHC library:1999-2007ISSN:
  • 1268-7731
Name of journal: Foot and ankle surgery : official journal of the European Society of Foot and Ankle SurgeonsAbstract: BACKGROUND: Our purpose was to assess the reliability of measurements of adult-acquired flatfoot deformity (AAFD) taken by investigators of different levels of clinical experience using weightbearing computed tomography (WBCT).CONCLUSIONS: AAFD radiographic measurements can be performed reliably by investigators with different levels of clinical experience using WBCT.Copyright (c) 2018 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.LEVEL OF EVIDENCE: Level II, prospective comparative study.METHODS: Nineteen AAFD patients underwent WBCT. Three investigators with different levels of clinical experience made AAFD measurements in axial, coronal, and sagittal planes. Intra- and interobserver reliability were assessed. Mean values for each measurement were compared between investigators.RESULTS: After a training protocol, substantial to perfect intra- and interobserver reliability was observed for most measures, regardless of the investigator's experience level. Significant differences between investigators were observed in 2 of 21 measured parameters: medial cuneiform-first metatarsal angle (P=0.003) and navicular-medial cuneiform angle (P=0.001).All authors: de Cesar Netto C, Dein EJ, Demehri S, Ficke JR, Richter M, Schon LC, Shakoor D, Thawait GK, Weightbearing CT International Study Group, Zhang HFiscal year: FY2020Fiscal year of original publication: FY2018Digital Object Identifier: Date added to catalog: 2018-11-02
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article 30321961 Available 30321961

Available online through MWHC library: 2003 - present, Available in print through MWHC library:1999-2007

BACKGROUND: Our purpose was to assess the reliability of measurements of adult-acquired flatfoot deformity (AAFD) taken by investigators of different levels of clinical experience using weightbearing computed tomography (WBCT).

CONCLUSIONS: AAFD radiographic measurements can be performed reliably by investigators with different levels of clinical experience using WBCT.

Copyright (c) 2018 European Foot and Ankle Society. Published by Elsevier Ltd. All rights reserved.

LEVEL OF EVIDENCE: Level II, prospective comparative study.

METHODS: Nineteen AAFD patients underwent WBCT. Three investigators with different levels of clinical experience made AAFD measurements in axial, coronal, and sagittal planes. Intra- and interobserver reliability were assessed. Mean values for each measurement were compared between investigators.

RESULTS: After a training protocol, substantial to perfect intra- and interobserver reliability was observed for most measures, regardless of the investigator's experience level. Significant differences between investigators were observed in 2 of 21 measured parameters: medial cuneiform-first metatarsal angle (P=0.003) and navicular-medial cuneiform angle (P=0.001).

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