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Σάββατο 20 Μαΐου 2017

Multi-Institutional Development of a Mastoidectomy Performance Evaluation Instrument

Publication date: Available online 20 May 2017
Source:Journal of Surgical Education
Author(s): Thomas Kerwin, Brad Hittle, Don Stredney, Paul De Boeck, Gregory Wiet
ObjectiveA method for rating surgical performance of a mastoidectomy procedure that is shown to apply universally across teaching institutions has not yet been devised. This work describes the development of a rating instrument created from a multi-institutional consortium.DesignUsing a participatory design and a modified Delphi approach, a multi-institutional group of expert otologists constructed a 15-element task-based checklist for evaluating mastoidectomy performance. This instrument was further refined into a 14-element checklist focusing on the concept of safety after using it to rate a large and varied population of performances.SettingTwelve otolaryngological surgical training programs in the United States.ParticipantsA total of 14 surgeons from 12 different institutions took part in the construction of the instrument.ResultsBy using 14 experts from 12 different institutions and a literature review, individual metrics were identified, rated as to the level of importance and operationally defined to create a rating scale for mastoidectomy performance. Initial use of the rating scale showed modest rater agreement. The operational definitions of individual metrics were modified to emphasize "safe" as opposed to "proper" technique. A second rating instrument was developed based on this feedback.ConclusionsUsing a consensus-building approach with multiple rounds of communication between experts is a feasible way to construct a rating instrument for mastoidectomy. Expert opinion alone using a Delphi method provides face and content validity evidence, however, this is not sufficient to develop a universally acceptable rating instrument. A continued process of development and experimentation to demonstrate evidence for reliability and validity making use of a large population of raters and performances is necessary to achieve universal acceptance.



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