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ORIGINAL ARTICLE
Year : 2013  |  Volume : 47  |  Issue : 1  |  Page : 83-86

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


1 Department of Orthopaedics and Traumatology and Chief of Surgery, P D Hinduja National Hospital and Medical Research Centre, Mumbai, India
2 Department of Orthopaedic Surgery, Bombay Hospital and Medical Research Centre, Mumbai, India
3 University of Minnesota, Minneapolis, MN, USA
4 Consultant Orthopedic Surgeon, Krishna Institute of Medical Sciences, Secunderabad, India

Correspondence Address:
Jawahir A Pachore
Director Hip Surgery, Shalby Hospital, Karnavati Club, Sabarmati-Gandhi Nagar Highway, Ahmedabad - 380 015, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5413.106918

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Introduction: 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. Materials and Methods: 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. Results: 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. Conclusion: 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.


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