Minimum ten-year outcome of a triple-tapered femoral stem implanted with line-to-line cementing technique

BMC Musculoskeletal Disorders

Satoshi Iida¹  Izumi Minato²  Hirotsugu Ohashi³ 

[1] Department of Orthopaedic Surgery, Matsudo City General Hospital;Department of Orthopaedic Surgery, Niigata Rinko Hospital;Department of Orthopaedic Surgery, Osaka Saiseikai Nakatsu Hospital;

关键词: Total hip arthroplasty;    Triple-tapered polished femoral stem;    Line-to-line cementing technique;    Subsidence;   

DOI  :  10.1186/s12891-021-04484-2

来源: DOAJ

【 摘 要 】

Abstract Background A triple-tapered polished femoral stem was implanted with line-to-line cementing technique. The purpose of this study was to determine the survivorship, loosening rate, stem subsidence, radiologic changes and clinical outcomes in the minimum 10-year follow-up. Methods This was a retrospective study done in three institutes. Finally, 118 hips in 97 patients could be followed-up at the mean follow-up period of 126.3 months. The survivorship, radiological and clinical outcomes were investigated. Results Radiologically, 107 hips (90.7%) were categorized to Barrack cementing grade A, and 108 stems (91.5%) were inserted in neutral position. All hips were not loose and were not revised due to any reason. Survival with revision for any reason as the endpoint was 100% after 10 years. At the last follow-up, the mean subsidence was 0.43 mm, and the subsidence was less than 1 mm in 110 hips (93.2%). JOA hip score improved from 42.7 ± 8.9 points preoperatively to 92.8 ± 6.8 points at the last follow-up. No patient complained thigh pain. Conclusions Line-to-line cementing technique with use of a triple-tapered polished stem was effective to achieve good cementation quality and centralization of the stem. The subsidence was small, and the minimum 10-year results were excellent without any failures related to the stem. Trial registration Retrospectively registered.

【 授权许可】

Unknown