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INTRODUCTION: Advanced technologies have made available the development of microprocessor prosthetic knee (MPK) to improve autonomy of patients with lower limb amputation. In the present systematic review, we aimed to evaluate the impact of the use of all types of MPK on patients’ functional status and quality of life. EVIDENCE ACQUISITION: We conducted this review according to the PRISMA Guidelines on Medline (via Ovid), Scopus and SportDiscuss. All identified articles were screened for their eligibility by two reviewers using Covidence software. The Cochrane Risk of Bias (RoB) or the NIH Quality Assessment Tool were used to assess the quality of the studies. EVIDENCE SYNTHESIS: Eighteen articles were included in the present review (7 randomized controlled trials - RCT), 6 cross-sectional and 5 follow-up studies). Number of participants included varied from 20 to 602, protocols’ length varied from a single session to 12 weeks of use of MPK. Taken together, MPK users compared to NMPK users tend to present better functional status and mobility. Quality of life was also positively impacted in MPK users. On the other hand, the superiority of more advanced MPKs such as the Genium(®) is less clear, especially given the improvements over time of other MPKs such as the C-leg(®) and the Rheo knee(®). CONCLUSIONS: Based on our results, while it is clear that MPKs outperform NMPKs both for functional status and quality of life, additional benefits of one MPK over another is less clear. Future studies are needed to clarify these aspects.

Introduction: Haemophilic arthropathy (HA) is a rarely encountered condition which affects about half of the patients who suffer from haemophilia. Despite the fact that HA is one of the main morbidity factor of haemophilia and that the physiopathology of the mechanism is slowly better understood, the HA management is still under discussion.Purpose: The cases of two men (53 and 54 years old) who suffer from ankle HA since several years are reported. The radiographies show important level of cartilage destruction and articular deformity. Literature was reviewed to take stock of the different treatments.Methods: First case presented is a 53 year old man who suffers from left ankle arthropathy since about 10 years, with a symptomatology slowly evolving. The man also presents a severe but asymptomatic right elbow destruction. He has experienced ankle decoaptation techniques several times, which has led to hemarthrosis and subsequent arthropathy majoration.The second case reported is a 54 year old man who presents a right ankle arthropathy since many years, with a complaint majoration since 2 years. He previously underwent surgical intervention for arthroplasty of the left hip, the knees and the left ankle. Results: For both cases, different aspects of the management are investigated, including a medicated and a physiotherapy approach, and an adequate orthotic is also proposed. Other treatments are available and sometimes used, such as radio- or arthroscopic synovectomy, corticosteroids or platelet-rich plasma infiltration or viscosupplementation. We also discussed the interest of the ultrasound for the detection and the follow-up.Conclusion: Haemophilic ankle arthropathy is not such a rare condition among patients suffering from haemophilia. While many works have been made about the HA physiopathology, there is no clear consensus about its management. Further studies should be made in this way.