@article{Giardini_Di Benedetto_Mercurio_Gisonni_Molinari_Causero_Cortese_2020, title={Infinity ankle arthroplasty with traditional instrumentation and PSI prophecy system: preliminary results }, volume={91}, url={https://mattioli1885journals.com/index.php/actabiomedica/article/view/10989}, DOI={10.23750/abm.v91i14-S.10989}, abstractNote={<p>Ankle arthrodesis has been considered the surgical Gold Standard for advanced ankle arthritis; prosthetic replacement of the tibio-talar joint played a secondary role.The introduction of last generation ankle prostheses lead to better outcome and a lower rate of complication.</p> <p>PSI represents the most recent innovations introduced on the market of ankle arthroplasty:PSI is proposed as a surgical technique capable of making ankle arthroplasty more accurate and more reproducible compared to standard referencing guides</p> <p>Aim of the study is to report early clinical and radiographic outcomes obtained from a single surgeon experience by implanting the same ankle prosthesis using a standard (STD) or a PSI instrumentation</p> <p>Unlike no difference in the average increment of normalized sub score related to function in each group (PSI vs STD), the analysis of normalized pain sub score pointed out a greater average improvement in the PSI group(+75%)compared to the STD group(+62%);this result has been adovacated to the absence of post operative gutter impingement syndrome in the PSI group compared to the STD referencing group.</p> <p>The analysis of radiographic angles revealed a more accurate and reproducible positioning of the components in the PSI group; ankle arthroplasty performed with PSI reported a reduction of both surgical times and the need of intraop.fluoroscopy.</p> <p>PSI ankle arthroplasty achived more accurate and reproducible clinical and radiographic results compared to STD instrumentation;long-term follow-up are needed to demonstrate whether a better positioning of the implant is associated with an increased survival of the prosthesis and therefore justifies the additional costs of PSI.</p>}, number={14-S}, journal={Acta Biomedica Atenei Parmensis}, author={Giardini, Piero and Di Benedetto, Paolo and Mercurio, Domenico and Gisonni, Renato and Molinari, Marco and Causero, Araldo and Cortese, Fabrizio}, year={2020}, month={Dec.}, pages={e2020021} }