American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version

Introduction The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score is among the most commonly used instruments for measuring the outcome of treatment in patients who sustained a complex ankle or hindfoot injury. It combines a clinician-reported and a patient-reported part. A v...

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Main Authors: Cornelis H Van der Vlies, Esther M M van Lieshout, Michael H J Verhofstad, Duncan E Meuffels, A Siebe de Boer, Wim E Tuinebreijer, P Ted Den Hoed
Format: Article
Language:English
Published: BMJ Publishing Group 2017-02-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/7/2/e012884.full
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author Cornelis H Van der Vlies
Esther M M van Lieshout
Michael H J Verhofstad
Duncan E Meuffels
A Siebe de Boer
Wim E Tuinebreijer
P Ted Den Hoed
author_facet Cornelis H Van der Vlies
Esther M M van Lieshout
Michael H J Verhofstad
Duncan E Meuffels
A Siebe de Boer
Wim E Tuinebreijer
P Ted Den Hoed
author_sort Cornelis H Van der Vlies
collection DOAJ
description Introduction The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score is among the most commonly used instruments for measuring the outcome of treatment in patients who sustained a complex ankle or hindfoot injury. It combines a clinician-reported and a patient-reported part. A valid Dutch version of this instrument is currently not available. Such a translated and validated instrument would allow objective comparison across hospitals or between patient groups, and with shown validity and reliability it may become a quality of care indicator in future. The main aims of this study are to translate and culturally adapt the AOFAS Ankle-Hindfoot Score questionnaire into Dutch according to international guidelines, and to evaluate the measurement properties of the AOFAS Ankle-Hindfoot Score-Dutch language version (DLV) in patients with a unilateral ankle or hindfoot fracture.Methods and analysis The design of the study will be a multicentre prospective observational study (case series) in patients who presented to the emergency department with a unilateral ankle or hindfoot fracture or (fracture) dislocation. A research physician or research assistant will complete the AOFAS Ankle-Hindfoot Score-DLV based on interview for the subjective part and a physical examination for the objective part. In addition, patients will be asked to complete the Foot Function Index (FFI) and the Short Form-36 (SF-36). Descriptive statistics (including floor and ceiling effects), internal consistency, construct validity, reproducibility (ie, test–retest reliability, agreement and smallest detectable change) and responsiveness will be assessed for the AOFAS DLV.Ethics and dissemination This study has been exempted by the Medical Research Ethics Committee (MREC) Erasmus MC (Rotterdam, the Netherlands). Each participant will provide written consent to participate and remain anonymised during the study. The results of the study are planned to be published in an international, peer-reviewed journal.Trial registration number NTR5613. pre-result.
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spelling doaj-art-0bde7dadd50a4668890ed2239e9422a42025-02-06T05:45:12ZengBMJ Publishing GroupBMJ Open2044-60552017-02-017210.1136/bmjopen-2016-012884American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language versionCornelis H Van der Vlies0Esther M M van Lieshout1Michael H J Verhofstad2Duncan E Meuffels3A Siebe de Boer4Wim E Tuinebreijer5P Ted Den Hoed64Department of Surgery, Maasstad Hospital, Rotterdam, The NetherlandsTrauma Research Unit Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the NetherlandsTrauma Research Unit, Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands1 Orthopaedics and Sports Medicine, Erasmus MC University Medical Centre, Rotterdam, The Netherlands1Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands1Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands3Department of Surgery, Ikazia Hospital, Rotterdam, The NetherlandsIntroduction The American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score is among the most commonly used instruments for measuring the outcome of treatment in patients who sustained a complex ankle or hindfoot injury. It combines a clinician-reported and a patient-reported part. A valid Dutch version of this instrument is currently not available. Such a translated and validated instrument would allow objective comparison across hospitals or between patient groups, and with shown validity and reliability it may become a quality of care indicator in future. The main aims of this study are to translate and culturally adapt the AOFAS Ankle-Hindfoot Score questionnaire into Dutch according to international guidelines, and to evaluate the measurement properties of the AOFAS Ankle-Hindfoot Score-Dutch language version (DLV) in patients with a unilateral ankle or hindfoot fracture.Methods and analysis The design of the study will be a multicentre prospective observational study (case series) in patients who presented to the emergency department with a unilateral ankle or hindfoot fracture or (fracture) dislocation. A research physician or research assistant will complete the AOFAS Ankle-Hindfoot Score-DLV based on interview for the subjective part and a physical examination for the objective part. In addition, patients will be asked to complete the Foot Function Index (FFI) and the Short Form-36 (SF-36). Descriptive statistics (including floor and ceiling effects), internal consistency, construct validity, reproducibility (ie, test–retest reliability, agreement and smallest detectable change) and responsiveness will be assessed for the AOFAS DLV.Ethics and dissemination This study has been exempted by the Medical Research Ethics Committee (MREC) Erasmus MC (Rotterdam, the Netherlands). Each participant will provide written consent to participate and remain anonymised during the study. The results of the study are planned to be published in an international, peer-reviewed journal.Trial registration number NTR5613. pre-result.https://bmjopen.bmj.com/content/7/2/e012884.full
spellingShingle Cornelis H Van der Vlies
Esther M M van Lieshout
Michael H J Verhofstad
Duncan E Meuffels
A Siebe de Boer
Wim E Tuinebreijer
P Ted Den Hoed
American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
BMJ Open
title American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
title_full American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
title_fullStr American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
title_full_unstemmed American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
title_short American Orthopaedic Foot and Ankle Society (AOFAS) Ankle-Hindfoot Score: a study protocol for the translation and validation of the Dutch language version
title_sort american orthopaedic foot and ankle society aofas ankle hindfoot score a study protocol for the translation and validation of the dutch language version
url https://bmjopen.bmj.com/content/7/2/e012884.full
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