Computerised tomography vs magnetic resonance imaging for modeling of patient-specific instrumentation in total knee arthroplasty

World Journal of Orthopedics
Paul StirlingYegappan Kalairajah

Abstract

To summarise and compare currently available evidence regarding accuracy of pre-operative imaging, which is one of the key choices for surgeons contemplating patient-specific instrumentation (PSI) surgery. The MEDLINE and EMBASE medical literature databases were searched, from January 1990 to December 2013, to identify relevant studies. The data from several clinical studies was assimilated to allow appreciation and comparison of the accuracy of each modality. The overall accuracy of each modality was calculated as proportion of outliers > 3% in the coronal plane of both computerised tomography (CT) or magnetic resonance imaging (MRI). Seven clinical studies matched our inclusion criteria for comparison and were included in our study for statistical analysis. Three of these reported series using MRI and four with CT. Overall percentage of outliers > 3% in patients with CT-based PSI systems was 12.5% vs 16.9% for MRI-based systems. These results were not statistically significant. Although many studies have been undertaken to determine the ideal pre-operative imaging modality, conclusions remain speculative in the absence of long term data. Ultimately, information regarding accuracy of CT and MRI will be the main determining fac...Continue Reading

Citations

Nov 13, 2015·ELife·Nikolai Slavov
Nov 9, 2016·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Vincent V G AnWarwick J M Bruce
Jan 1, 2021·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Andrew KanawatiParham Rasoulinejad

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