Mid-term results of previously cemented hip arthroplasties revised with uncemented modular femoral components: a retrospective study

Background:
We evaluated the mid-term results of previously cemented hip arthroplasties revised with uncemented modular femoral components.
Methods:
The study included 40 patients (36 females (90 %) and 4 males (10 %), mean age 67.6 years, range 39–87 years) who underwent revision of a previously cemented hip prosthesis with an uncemented modular femoral stem between 2005 and 2009. The indications for revision were femoral aseptic loosening in 38 (95 %) cases and acetabular protrusion in 2 (5 %). According to the Paprosky classification, the femoral defect was type 1 in 10 (25 %) patients, type 2 in 16 (40 %), type 3a in 11 (27.5 %), type 3b in 2 (5 %) and type 4 in 1 (2.5 %). The Harris hip score was used for the clinical evaluation. Femoral vertical subsidence, the cortical index and femoral stem stability were assessed radiologically. The mean follow-up period was 84 months (range 61–95 months).
Results:
The mean Harris hip score was 41.4 (range 35.4–44.4) preoperatively and 80.9 (range 65.6–98.3) at the final follow-up examination (p 

Source: Journal of Orthopaedic Surgery and Research - August 14, 2015 Category: Orthopaedics Authors: Tahir DuymusZafer SolakYusuf OzturkmenIbrahim AzboySerhat MutluMustafa Caniklioglu Source Type: research