NHÂN MỘT TRƯỜNG HỢP TÁCH RỜI KHỚP HÁNG NHÂN TẠO SAU NẮN CHỈNH KÍN TRẬT KHỚP HÁNG BÁN PHẦN

Dũng Lê Tuấn; Tiến Mỵ Duy; Hiếu Lê Trung

doi:10.59354/ydth175.2021.87

Keywords:

Hip dissociation, Bipolar hip arthroplasty

Abstract

Bipolar hip dislocation after Bipolar hemiarthroplasty is uncommon complication with the rate between 1,2% - 2,4%. Closed reduction of dislocated bipolar hip joint can lead to dissociation of the components between the metal head and the polyethylene cup. The cause of the dissociation of hip implant after reduction is the “bottle opener” effect, when the polyethylen cup is locked by the posterior rim of the acetabulum. This rare complication lead to the need for reoperation. We report an 81-year-old female patient noticed dissociation of components of hip implant on X-ray after performing closed reduction of Bipolar hip dislocation.

References

Catherine A. A. Cahill (2014), ““Bottle-Opener” Effect in Bipolar Hip Prostheses Dislocations”, The Journal of Arthroplasty, 29, 2053.

Luke J. Grauke, Michael L. Richardson (2015), “Dissociation of a Bipolar Prosthesis after Right Hip Hemiarthroplasty”, Radiology case reports, 1, 123-125.

Young-Kyun Lee, Chan Ho Park, et al. (2018), “What Is the Frequency of Early Dissociation of Bipolar Cups and What Factors Are Associated With Dissociation?”, Clinical orthopaedics and related research, 476, 1585-1590.

M. J. Star, C. W. Colwell, Jr., et al. (1992), “Dissociation of modular hip arthroplasty components after dislocation. A report of three cases at differing dissociation levels”, Clin Orthop Relat Res, 111-115.

Vedat Uruç, Raif Özden, et al. (2017), “Five cases of early dissociation between the bipolar hip endoprosthesis cup components; either spontaneously or during reduction maneuvers”, Acta orthopaedica et traumatologica turcica, 51, 172-176.