Outcome of revision surgery in recurrent dislocation of primary total hip arthroplasty.

Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
Nisarg MehtaFintan Adrian Carroll

Abstract

The cause of recurrent dislocation following primary total hip arthroplasty (THA) is multifactorial. A re-dislocation rate of up-to 34% following revision is reported. The aim of this study was to determine the re-dislocation rates following revision for recurrent THR dislocation. Patients who underwent revision for recurrent dislocation between January 2008 and January 2015 were identified. We identified the date and type of primary implant, overall number and reasons for dislocation, revision implant details and complication data. Over an 8-year period, 24 patients underwent revision. The median age was 77 (68-85) years, median time to first dislocation was 78 (23-160) months and median number of dislocations was 3 (2-4) with a mean follow-up of 18 months. Socket Mal-Orientation (10) and Abductor deficiency (5) were the main causes of recurrent dislocation. 21 patients (88%) underwent revision of both components, 1 patient underwent isolated cup revision and 2 patients had revision of acetabular component with insertion of a BioBall. There were no dislocations within 90 days of revision surgery. 4 patients had late dislocations (3 recurrent, 1 isolated). There was no significant increase risk of dislocation after revision sur...Continue Reading

References

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Citations

Feb 19, 2021·Archives of Orthopaedic and Trauma Surgery·Christian KlemtYoung-Min Kwon

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Software Mentioned

GraphPad
GraphPad Prism
BioBall

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