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dc.contributorShihab, Zaiden_US
dc.contributorClayworth, Catrionaen_US
dc.contributorNara, Naveenen_US
dc.description.abstractBackground Precise and accurate alignments in total knee arthroplasty are important predictors for survivorship and functional outcomes. We aim to compare accelerometer‐based navigation (ABN) to conventional instrumentation (CONV), patient‐specific instrumentation (PSI) and computer‐assisted surgery (CAS) in published literature. Methods A systematic search of publications from databases (MEDLINE, EMBASE and Cochrane) was obtained from inception to 15 August 2018. A random‐effects meta‐analysis was used to pool odd ratios for outliers greater than 3° for the hip‐knee‐ankle, coronal and sagittal femoral and tibial angles (CFA, CTA, SFA, STA). Secondary outcomes included procedural characteristics and functional outcomes. Results Thirteen studies, involving 1566 patients, met inclusion that compared ABN (50.2%) to CONV (49.8%) and five comparing ABN to CAS/PSI. The pooled odds ratios for percent outliers of greater than 3° from the mechanical axis for the hip‐knee‐ankle (relative risk 0.58, P = <0.05) and CFA (relative risk 0.42, P = 0.02) was significantly lower for ABN compared to CONV. The pooled odds ratios for CTA, SFA and STA were not significantly different. No differences were identified in comparison to PSI/CAS. There was no statistically significant difference in procedural characteristics and functional outcomes. Conclusions The use ABN in total knee arthroplasty is a successful method of increased precision and accuracy for the restoration of the mechanical axis. In addition, there is no significant compromise in procedural or functional outcomes.en_US
dc.description.provenanceSubmitted by Gemma Siemensma ( on 2021-01-07T21:23:36Z No. of bitstreams: 0en
dc.description.provenanceApproved for entry into archive by Gemma Siemensma ( on 2021-01-07T21:33:15Z (GMT) No. of bitstreams: 0en
dc.description.provenanceMade available in DSpace on 2021-01-07T21:33:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2020en
dc.titleHandheld, accelerometer‐based navigation versus conventional instrumentation in total knee arthroplasty: a meta‐analysis.en_US
dc.typeJournal Articleen_US
dc.bibliographicCitation.titleANZ Journal of Surgeryen_US
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