Minimum 10-year results of cementless total hip arthroplasty in patients with rheumatoid arthritis

Akihisa Haraguchi, Yasuharu Nakashima, Hisaaki Miyahara, Yukio Esaki, Ken Okazaki, Jun Ichi Fukushi, Go Hirata, Satoshi Ikemura, Satoshi Kamura, Koji Sakuraba, Kenjiro Fujimura, Yukio Akasaki, Hisakata Yamada

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Objectives: To retrospectively evaluate the long-term results of cementless total hip arthroplasty (THA) in patients with rheumatoid arthritis (RA) and postoperative patient mortality after THA. Methods: This study included 191 hips in 149 RA patients who underwent cementless THA between 1998 and 2005. Mean age at surgery was 54.2 years, and mean follow-up was 12.6 years. Implant and patient survivorships were determined using the Kaplan–Meier method, and the associated influencing factors were determined. Results: Implant survivals at 17 years were 99.5% for stems, 93.9% for cups, and 90.8% for liners. Among the liners used, THAs with highly cross-linked polyethylene showed better survivals compared with those with conventional polyethylene and alumina-bearing surface (93.4%, 90.9%, and 52.2%, respectively). A total of 64 deaths occurred; 45 patients died within 10 years and 19 patients died between 10 and 17 years. Malignancy (25.0%) was the leading cause of death, followed by pneumonia (20.8%) and sepsis (20.8%). The patient survival rate was 36.9% at 17 years after THA. Multivariate analysis exhibited that older age at operation and greater dose of concomitant corticosteroid resulted in shorter patient survivals. Conclusions: Cementless THA worked well in patients with RA. Mortality remained high among RA patients who needed THA.

Original languageEnglish
Pages (from-to)598-604
Number of pages7
JournalModern Rheumatology
Volume27
Issue number4
DOIs
Publication statusPublished - Jul 4 2017

All Science Journal Classification (ASJC) codes

  • Rheumatology

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