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Recurrent atraumatic anterior hip dislocation: Treated by dual mobility system
Jie X Xu1, Daniel Meyerkort1, Riaz J Khan1
1Department of Orthopaedics, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands 6009, Australia.
Aims:
To highlight a case of recurrent atraumatic anterior hip dislocation management using a dual mobility prothesis.
Methods:
The stability of the patient's hip was assessed using X-ray and MRI scans. Upon the third spontaneous anterior dislocation it was decided with the patient's consent to undergo a total hip replacement. A piriformis sparing anterior approach was use with the insertion of a dual mobility bearing. This consisted of an uncemented porous titanium cup articulating with a 28 mm head in a 42 mm mobile polyethylene liner.
Results:
Mobilising pain free at 6 weeks post operation with no further dislocations at 6 months follow up.
Conclusion:
Dual mobility hip replacements was used successfully in our patient with recurrent atraumatic anterior hip dislocation.
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