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Dual mobility total hip replacement in a high risk population
Jatinder Singh Luthra1, Amur Al Riyami1, Mohamad Kasim Allami1
1Khoula Hospital, PO Box 90, PC 116, Mina Al Fahal, Oman.
Objective:
The purpose of the study was to evaluate results of dual mobility total replacement in a high risk population who take hip into hyperflexed position while sitting and praying on the floor.
Method:
The study included 65 (35 primary total replacement and 30 complex total hip replacement) cases of total hip replacement using avantage privilege dual mobility cup system from biomet. A cemented acetabular component and on femoral side a bimetric stem, either cemented or uncemented used depending on the canal type. Ten cases were examined fluoroscopically in follow up.
Result:
There was dislocation in one patient undergoing complex hip replacement. Fluoroscopy study showed no impingement between the neck of prosthesis and acetabular shell at extremes of all movements.
Conclusion:
The prevalence of dislocation is low in our high risk population and we consider it preferred concept for patients undergoing complex total hip replacement.
