Validation of a new surgical procedure for percutaneous scaphoid fixation using intra-operative ultrasound

TitleValidation of a new surgical procedure for percutaneous scaphoid fixation using intra-operative ultrasound
Publication TypeJournal Article
Year of Publication2008
AuthorsBeek, M., P. Abolmaesumi, S. Luenam, R. E. Ellis, R. W. Sellens, and D. R. Pichora
JournalMedical Image Analysis
Volume12
Pagination152-62
Date PublishedApr
Abstract

A new technique for percutaneous fixation of non-displaced scaphoid fractures is described. The technique used pre-operative planning from computed tomography images, registration to intra-operatively acquired three-dimensional ultrasound images, and intra-operative guidance using an optical tracking system. Two stand-alone software applications were developed. The first one was used to determine the surgical plan pre-operatively and the second one was used to guide the surgeon during screw insertion. Laboratory validation of the technique included measurements of the inter-operator and intra-operator variability in the outcome of scaphoid fixation using the proposed procedure, and also included comparison of the performance of this procedure with the conventional percutaneous fixation technique using fluoroscopy. The results showed that the tight accuracy requirements of percutaneous scaphoid fixation were met and that the consistency was superior to the conventional technique.

URLhttp://dx.doi.org/10.1016/j.media.2007.08.003
DOI10.1016/j.media.2007.08.003

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