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neutrally aligned, matched controls. 23 The varus group had a mean post-operative mechanical axis deviation of 6.3° (3.9° to 10.7°). There was no difference in functional results using multiple validated measures, and no revisions in either group at a
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functional result with a maximum limb length in combination with optimal wound healing to avoid multiple reoperations and prolonged hospitalization. The preservation of the knee joint is essential for successful rehabilitation in the elderly and cannot be
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. All three are critical, especially in the young patient, but there is some evidence that limb alignment and knee stability are most crucial, whereas non-anatomical reduction is less important regarding functional results. 2 Actually, it is not
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-thickness cartilage loss at surgery, lateral osteophytes did not compromise long-term functional results or implant survival. Knifsund et al analysed the impact of the pre-operative grade of OA on the risk of re-operation after UKA. 15 They suggested that UKA
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surgeon. It is nonetheless demanding and exposes the patient and surgeon to the risk of lower functional results. The aim of this paper is to give an overview of the various associated problems, and the surgical options available for dealing with this type
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revision procedures. The risk of prosthesis loss (odds ratio 5.7) was significantly higher after revision procedures. The findings of this study showed that rotating hinge knee prostheses provided good clinical and functional results in selected cases of
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Facoltà di Scienze Biomediche, Università della Svizzera Italiana, Lugano, Switzerland
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Applied and Translational Research Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
Facoltà di Scienze Biomediche, Università della Svizzera Italiana, Lugano, Switzerland
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indications on this matter with all studies reporting satisfactory results. Among studies directly comparing functional results of one-stage vs. two-stage UKA, no differences in Knee Society Functional and Clinical Scores were reported by Feng et al at one
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year, so the results could equally be interpreted as demonstrating that PSI reliably replicates the radiological and functional results of expert surgeons. 28 The real question raised by these studies is whether PSI might allow inexperienced and
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approaches in TKA: comparison of functional results . Orthopedics 2011 ; 34 : 148 . 26. Pan WM Li XG Tang TS et al . Mini-subvastus versus a standard approach in total knee arthroplasty: A prospective, randomized
Instituto Clinico Citta Studi, Milan, Italy
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King Edward VII Hospital, London, UK
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order to address the significant proportion of patients who have compromised functional results after knee replacement. Patellofemoral mechanics Patellofemoral mechanics are complex and variable depending on the activity undertaken and are a
