Exeter small femoral stem for patients with small （埃克塞特的小股干小患者）.pdfVIP

Journal of Orthopaedic Surgery 2011;19(3):279-83 Exeter small femoral stem for patients with small femurs 1 1 1 2 Kwok-hing Chiu, Kin-wing Cheung, Kwong-yin Chung, Wan-yiu Shen 1 Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong 2 Department of Orthopaedics and Traumatology, Queen Elizabeth Hospital, Hong Kong a complete cement mantle of ≥2 mm. All stems were inserted without intramedullary reaming. 11 (24%) ABSTRACT of the hips developed stem subsidence of 2 mm; all stabilised within 2 years. None of these patients purpose. To report the long-term results of total hip had pain or other radiological signs of loosening. arthroplasty (THA) using small size Exeter femoral Six stems showed radiolucent lines of 1 mm in the stems. upper zones, which were not progressive. No cement Methods. Eight men and 34 women aged 60 to 83 fracture or subsidence was noted. Using revision for (mean, 70) years underwent 45 THAs using the any cause as an endpoint, the overall survival rate of Exeter small stem with offsets of 30 mm (n=3), 33 mm Exeter small femoral stem was 100% at 10 years and (n=15), and 35.5 mm (n=27). The Harris hip score was 89% at 12 years. assessed pre- and post-operatively. Stem alignment conclusion. The results of Exeter small stems for and axial subsidence of the stem were measured. patients with sm