Functional performance of a total ankle replacement: thorough assessment by combining gait and fluoroscopic analyses
نویسندگان
چکیده
منابع مشابه
Fluoroscopic and gait analyses for the assessment of the functional performance of an original total ankle replacement
Background An original total ankle replacement design was developed with the aim of establishing compatibility between the prosthetic articulating surfaces and the retained ligaments. This was achieved with a special shape of a conforming meniscal bearing, free to move forwards/ backwards on both metal components during dorsi/ plantar flexion. Careful kinematics analyses were carried out in pat...
متن کاملTotal ankle replacement
Open Access-This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the source is credited. This issue of Acta Orthopaedica includes 3 articles on total ankle replacement (TAR), motivating this Guest Editorial (Nieuwe Weme et al. 2015, Kamrad et al. 2015, Hor...
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About 50% of the cases with degenerative osteoarthritis of the ankle are asymmetric. Varus ankle osteoarthritis is far more frequent than valgus ankle osteoarthritis. Most of the cases of ankle osteoarthritis have posttraumatic aetiology. It is important to understand the deformity completely, and to distinguish simple deviations in the coronal plane from more-dimensional, complex cavovarus def...
متن کاملAnkle arthrodesis for failed total ankle replacement.
Between 1999 and 2005, 23 failed total ankle replacements were converted to arthrodeses. Three surgical techniques were used: tibiotalar arthrodesis with screw fixation, tibiotalocalcaneal arthrodesis with screw fixation, and tibiotalocalcaneal arthrodesis with an intramedullary nail. As experience was gained, the benefits and problems became apparent. Successful bony union was seen in 17 of th...
متن کاملFinite element analysis of a total ankle replacement during the stance phase of gait.
Total ankle replacement (TAR) designs have still several important issues to be addressed before the treatment becomes fully acceptable clinically. Very little is known about the performance, in terms of the contact pressures and kinematics of TAR when subjected to daily activities such as level gait. For this purpose, an explicit finite element model of a novel 3-component TAR was developed, w...
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ژورنال
عنوان ژورنال: Clinical Biomechanics
سال: 2013
ISSN: 0268-0033
DOI: 10.1016/j.clinbiomech.2012.10.008