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Publisher: Peytchinski Publishing
ISSN: 1312-773X (Online)
Issue: 2018, vol. 24, issue2
Subject Area: Medicine
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DOI: 10.5272/jimab.2018242.2077
Published online: 25 June 2018
Original article
J of IMAB. 2018 Apr-Jun;24(2):2077-2081
DUAL MOBILITY CUPS REDUCE DISLOCATION RATE IN TOTAL HIP ARTHROPLASTY FOR DISPLACED FEMORAL NECK FRACTURES
Maksim Zagorov
, Kalin Mihov, Svetoslav Dobrilov, Atanas Tabakov, Alexander Gospodinov, Gergana Nenova,
Department of Orthopaedics and Traumatology, University Hospital St. Marina, Varna, Bulgaria.
ABSTRACT:
PURPOSE: To assess the dislocation rate after total hip arthroplasty with dual mobility cup (DMC) for displaced femoral neck fractures and to compare the results with that of conventional total hip arthroplasty (THA) and bipolar hemiarthroplasty (BHA) in the same clinical setting at our institution.
MATERIALS AND METHODS: 49 cases (47 patients) treated with total hip arthroplasty with DMC, 38 cases (38 patients) with BHA and 29 patients (29 cases) operated on with conventional THA were retrospectively reviewed.
RESULTS: In the DMC total hip arthroplasty group, there were no dislocations (0%). %). One dislocation (3,1%) occurred in the BHA group, and 3 dislocations occurred (11,1%) in the THA group. ). There was a statistically significant difference in favour of DMC group compared to THA group regarding dislocation rate (p=0,05). Dislocation rate did not differ significantly between DMC and BHA groups. There was no significant difference in mortality, complications and re-operation rate between groups.
CONCLUSION: Dual mobility cups significantly reduce dislocation rate in total hip arthroplasty performed for displaced femoral neck fractures compared to conventional total hip arthroplasty while sImilar advantage over bipolar hemiarthroplasty could not be demonstrated in the current study.
Keywords: dual mobility cup, dislocation, total hip arthroplasty, femoral neck fractures,
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Please cite this article as: Zagorov M, Mihov K, Dobrilov S, Tabakov A, Gospodinov A, Nenova G. Dual mobility cups reduce dislocation rate in total hip arthroplasty for displaced femoral neck fractures. J of IMAB. 2018 Apr-Jun;24(2):2077-2081. DOI: 10.5272/jimab.2018242.2077
Correspondence to: VMaksim Zagorov, Department of Orthopaedics and Traumatology, University Hospital „St. Marina“; 1, Hr. Smirnenski blvd., 9000 Varna, Bulgaria; E-mail: dr_zagorov@mail.bg,
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Received: 08 May 2018
Published online: 25 June 2018