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Categories: Abstracts, 2014, Podium

Complication rates amongst 4 surgeons on a consecutive series of 202 total ankle replacements

S. Akkena, T. Karim, T.M. Clough, M.T. Karski, R. Smith

¹Wrightington Hospital, Wrightington Foot and Ankle Unit, Wigan, United Kingdom

Introduction: The aim of this study was to identify the rate of complications of total ankle replacement in a single Centre to help with informed patient consent.

Methods: Between 2008 and 2012, 202 total ankle replacements (TARs) were performed by 4 surgeons at our Institute. Data was collected on all patients; demographics, arthritic disease, pre-operative deformity, prosthesis and all early and late complications.

Results: 4 surgeons (A, B, C, D) performed 63, 55, 48 and 36 TARs (178 De Puy Mobility and 24 Corin Zenith). 130 patients had primary osteoarthrosis, 35 had rheumatoid and 36 had post traumatic osteoarthrosis. There were no differences in patient demographics for each surgeon. There were 3 deep infections (A,B,C,D: 1,0,2,0). There were 18 medial malleolar fractures (8 intra-operative [4,1,1,2], 3 early (< 3 months) [1,1,0,1] and 7 late (>3 months) [2,2,2,1]). There were 2 lateral malleolar fractures, both intra-operative (0,0,1,1). There were 15 patients who developed superficial wound infections, which resolved fully with oral antibiotics (4,3,4,4). A further 7 patients had a delay to wound healing (wound not fully healed at 3 months) (4,0,2,1); 2 of these developed deep infection and failed. 22 patients had persistent medial gutter pain (9,4,5,4); all had undergone Mobility TAR. 4 patients developed recurrent edge loading and have had to be revised (4 converted to TTC fusion) (2,0,2,0). We report complications in 32% of patients. Overall 9 TARs failed and underwent revision to fusion (2,2,5,0).

Conclusion: We report an overall complication rate of 32% following TARs, however most are minor and don't affect clinical outcome. We had a 1.5% deep infection rate. Complication rates were comparable between 4 surgeons. There was a difference in medial gutter pain rate between implants (13% v 0% Mobility to Zenith). This data provides detailed complication rates for informed consent.

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Tags: TAR

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