ArticleArchives of orthopaedic and trauma surgery2020
The entry point of intramedullary tibia cutting guide should vary according to the individual tibia morphology in TKA.
Article in Archives of orthopaedic and trauma surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The anterior offset of the standard entry point for tibial intramedullary nails: A transparent 3D-CT image based analysis.Journal of orthopaedics · 2025Article
- Proposing a precision-enhancing method for sagittal plane alignment during total knee arthroplasty.BMC musculoskeletal disorders · 2025Article
- The main cause of tibial prosthesis malalignment after total knee arthroplasty in Southern Chinese population.Heliyon · 2024Article
- Effect of anterior tibial bowing on measurement of posterior tibial slope on conventional X-rays.Archives of orthopaedic and trauma surgery · 2023Article
- Prostheses option in revision total knee arthroplasty, from the bench to the bedside: (1) basic science and principles.EFORT open reviews · 2022Review
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Authors and funding
4 authors.
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Abstract
introductionIn total knee arthroplasty (TKA) using the intramedullary tibial cutting guide (IMTCG), the positioning of the IMTCG is important for accurate tibial bone resection. The aim of this study was to evaluate the ideal entry point of IMTCG and affecting radiologic factors. MATERIALS AND
methodsFrom May 2017 to February 2018, 91 consecutive TKAs for osteoarthritis were included. From preoperative full-length radiographs, we measured the medial proximal tibia angle (MPTA), lateral distal tibia angle (LDTA), tibial bowing angle (TBA), medial to lateral width of the tibial plateau, tibial length, and ideal coronal entry point. In preoperative short knee lateral radiographs, we measured the anterior to posterior length of the tibial plateau, tibial posterior slope angle (TPSA), metaphysio-diaphyseal angle (MDA), and ideal sagittal entry point. The ideal coronal and sagittal entry points were defined as the points crossing the tibial plateau and tibial anatomical axis on the coronal and sagittal radiographs, respectively.
resultsThe ideal entry point was 51.4 ± 4.3% (SD) from the medial margin and 27.0 ± 5.8% (SD) from the anterior margin of the tibial plateau. However, the range varied from 39.8 to 60.5% on the coronal plane and from 9.6 to 37.7% on the sagittal plane, respectively. As the MPTA (rho = - 0.490) and TBA (rho = - 0.433) were increased, the coronal entry point moved medially. As TPSA (rho = - 0.761) and MDA (rho = - 0.495) were increased, the sagittal entry point moved anteriorly.
conclusionsThe ideal entry point of IMTCG should vary according to the individual tibial morphology.
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