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dc.contributor.authorSidhu, Gur Aziz
dc.contributor.authorKotecha, Amit
dc.contributor.authorMulay, Sanjay
dc.contributor.authorAshwood, Neil
dc.date.accessioned2021-05-04T10:04:26Z
dc.date.available2021-05-04T10:04:26Z
dc.date.issued2021-03
dc.identifier.citationJournal of Orthopaedic Case Reports 2021March: 11(3): Page 6-9en
dc.identifier.urihttps://orda.derbyhospitals.nhs.uk/handle/123456789/2412
dc.description.abstractIntroduction: There is a trend for increasing use of dual mobility hip designs for both primary and revision hip arthroplasty settings. It provides dual articular surfaces along with increased jump distance to increase the stability of construct. However, this design has some unique complications of its own which surgeons should be aware of especially intraprosthetic dislocation (IPD). Case Report: A 76-year-old lady presented to clinic with painful hip hemiarthroplasty after fracture neck of femur. She underwent revision surgery with dual mobility uncemented acetabular cup and femoral stem was retained as it was well fixed. She was mobilizing well and around 5 weeks post her surgery, developed pain in hip region and difficulty in weight-bearing. Radiographs showed eccentric position of femoral neck in the socket. A diagnosis of IPD was established and revision surgery was planned. Intraoperatively, metal head had dislocated from the polyethylene head and both components were resting in the acetabular socket. No macroscopic erosion of acetabulum was noticed. The polyethylene component and femoral head were retrieved. With previous failed dual mobility, decision was made to achieve stability with larger head size and lipped liner posteriorly. Conclusion: IPD is a rare occurrence and unique complication to dual mobility implants. This report highlights that patients can have IPD without fall or trauma.en
dc.language.isoenen
dc.subjectIntraprosthetic Dislocationen
dc.subjectDual Mobility Cupen
dc.subjectDislocationen
dc.subjectTotal Hip Replacementen
dc.titleSpontaneous Early Intraprosthetic Dislocation of 22mm Skirted Femoral Head in Dual Mobility Hip Prosthesis: A Case Reporten
dc.typeArticleen


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