2019
DOI: 10.1186/s13018-019-1376-6
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Influence of bone density on morphologic cement penetration in minimally invasive tibial unicompartmental knee arthroplasty: an in vitro cadaver study

Abstract: Background: Unicompartmental knee arthroplasty is an established treatment option for anteromedial osteoarthritis. However, large registry studies report higher rates of aseptic loosening compared to total knee arthroplasty. The objective of this study was to assess the impact of bone density on morphological cement penetration. Moreover, an alternative regional bone density measuring technique was validated against the established bone mineral density assessment. Methods: Components were implanted on the medi… Show more

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Cited by 6 publications
(3 citation statements)
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“…Patient-based medicine became more widespread with the growth of technical abilities in computational mechanics and computed tomography scan quality [16][17][18]. Nowadays, it is possible to not only perform simulation of surgical treatment [19][20][21] but design the endoprosthesis [14,16] and predict biomechanical reaction [22][23][24]. Joint usage of the patient CT-data, patient-based design of the endoprosthesis, and additive manufacturing can increase the quality of the orthopedic treatment.…”
Section: Introductionmentioning
confidence: 99%
“…Patient-based medicine became more widespread with the growth of technical abilities in computational mechanics and computed tomography scan quality [16][17][18]. Nowadays, it is possible to not only perform simulation of surgical treatment [19][20][21] but design the endoprosthesis [14,16] and predict biomechanical reaction [22][23][24]. Joint usage of the patient CT-data, patient-based design of the endoprosthesis, and additive manufacturing can increase the quality of the orthopedic treatment.…”
Section: Introductionmentioning
confidence: 99%
“…Because perforation of the medial tibial cortex will not allow adequate cementation in the host bone, it may affect the survivorship of the implant in the mid term to long term [21, 22]. Surgeons using this implant are expected to know how to deal with this problem.…”
Section: Discussionmentioning
confidence: 99%
“…Additive manufacturing allows the generation of solid irregular or lattice geometry [20,21], but on the other hand, local microporosity decreases fatigue resistance. Classical post-processing, such as tempering, allows the counteraction of the negative sides of the technology [22,23]. Despite the aforementioned technological barriers, the opening opportunities are promising.…”
Section: Introductionmentioning
confidence: 99%