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    Reverse total shoulder arthroplasty using a trabecular metal glenoid base plate: functional and radiological outcomes at two to five years.

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    Abstract
    AIM: We present the medium-term clinical results of a reverse total shoulder arthroplasty with a trabecular metal glenoid base plate. PATIENTS AND METHODS: We reviewed 125 consecutive primary reverse total shoulder arthroplasties (RTSA) implanted in 124 patients for rotator cuff arthropathy. There were 100 women and 24 men in the study group with a mean age of 76 years (58 to 89). The mean follow-up was 32 months (24 to 60). No patient was lost to follow-up. RESULTS: There were statistically significant improvements in the mean range of movement and Oxford Shoulder Score (p < 0.001). Kaplan-Meier survivorship at five years was 96.7% (95% confidence interval 91.5 to 98.7) with aseptic glenoid failure as the end point. Radiologically, 63 shoulders (50.4%) showed no evidence of notching, 51 (40.8%) had grade 1 notching, ten (8.0%) had grade 2 notching and one (0.8%) had grade 4 notching. Radiolucency around the glenoid base plate was found in one patient (0.8%) and around the humeral stem in five (4.0%). In all, three RTSA (2.4%) underwent revision surgery for aseptic mechanical failure of the glenoid within 11 months of surgery due to malseating of the glenosphere. CONCLUSION: The clinical results of this large independent single unit series are comparable to those from previous series of RTSA reported in the literature. A trabecular metal base plate is safe and effective in the medium-term.
    URI
    https://orda.derbyhospitals.nhs.uk/handle/123456789/826
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    • Trauma and Orthopaedics [217]
    Date
    2016-07
    Author
    Theivendran, Kanthan
    Varghese, Menachery
    Large, R
    Bateman, Marcus
    Morgan, Marie
    Tambe, Amol
    Espag, Marius
    Cresswell, Timothy
    Clark, David
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