{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Lee S"],"funding":["Ministry of Trade, Industry and Energy","Ministry of Science, ICT and Future Planning"],"pagination":["769-780"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6037596"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["59(6)"],"pubmed_abstract":["<h4>Purpose</h4>The intraoperative version of the femoral component is usually determined by visual appraisal of the stem position relative to the distal femoral condylar axis. However, several studies have suggested that a surgeon's visual assessment of the stem position has a high probability of misinterpretation. We developed a computed tomography (CT)-based navigation system with a patient-specific instrument (PSI) capable of three-dimensional (3D) printing and investigated its accuracy and consistency in comparison to the conventional technique of visual assessment of the stem position.<h4>Materials and methods</h4>A CT scan of a femur sawbone model was performed, and pre-experimental planning was completed. We conducted 30 femoral neck osteotomies using the conventional technique and"],"journal":["Yonsei medical journal"],"pubmed_title":["CT-based Navigation System Using a Patient-Specific Instrument for Femoral Component Positioning: An Experimental in vitro Study with a Sawbone Model."],"pmcid":["PMC6037596"],"funding_grant_id":["R-20170419-001548","10052980"],"pubmed_authors":["Lee S","Baek SH","Kim SY","Kim JY","Hong J"],"additional_accession":[]},"is_claimable":false,"name":"CT-based Navigation System Using a Patient-Specific Instrument for Femoral Component Positioning: An Experimental in vitro Study with a Sawbone Model.","description":"<h4>Purpose</h4>The intraoperative version of the femoral component is usually determined by visual appraisal of the stem position relative to the distal femoral condylar axis. However, several studies have suggested that a surgeon's visual assessment of the stem position has a high probability of misinterpretation. We developed a computed tomography (CT)-based navigation system with a patient-specific instrument (PSI) capable of three-dimensional (3D) printing and investigated its accuracy and consistency in comparison to the conventional technique of visual assessment of the stem position.<h4>Materials and methods</h4>A CT scan of a femur sawbone model was performed, and pre-experimental planning was completed. We conducted 30 femoral neck osteotomies using the conventional technique and","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Aug","modification":"2025-04-21T19:28:31.275Z","creation":"2019-03-26T23:48:56Z"},"accession":"S-EPMC6037596","cross_references":{"pubmed":["29978614"],"doi":["10.3349/ymj.2018.59.6.769"]}}