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Indian J Orthop. 2013 Jan;47(1):83-6. doi: 10.4103/0019-5413.106918.

Results of uncemented distal locked prosthesis in revision hip arthroplasty with proximal femoral bone loss: A retrospective study.

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Department of Orthopaedics and Traumatology and Chief of Surgery, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India.



Management of bone loss is a challenge in revision total hip arthroplasty (THA). A retrospective review was performed to study the use of uncemented distal locked prosthesis in cases with proximal femoral bone loss.


Uncemented stems with distal interlocking were used in 65 hips during revision THAs with 38 hips having Paprosky IIIB/IV defects between January 1998 and February 2004. There were 48 males and 17 females in the study with an average age of 53 years (range 30-80 years). Radiographic and clinical outcome evaluation using the Harris hip score (HHS) were performed.


AN IMPROVEMENT IN HHS (MEAN: 33 points) was observed at final followup (mean: 9 years). Regeneration of proximal bone stock was observed without signs of loosening or subsidence and none of the stems were revised. Three patients developed recurrent dislocation while one had a stem subsidence of 1cm following removal of interlocking bolts.


Uncemented distal locked prosthesis provide adequate stability in revision THA, aiding the reconstruction of bony deficiencies while avoiding the disadvantages of fully porous or cemented implants.


Distal locked prosthesis; femoral bone loss; revision hip arthroplasty; uncemented revision total hip arthroplasty

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