Short-term results of the PROSNAP linked elbow prosthesis with a snap-in structure and modular flange for the reconstruction of severely damaged rheumatoid elbows

Keiichiro Nishida, Kenzo Hashizume, Ryuichi Nakahara, Masatsugu Ozawa, Ryozo Harada, Takahiro Machida, Yoshihisa Nasu, Toshihumi Ozaki, Hajime Inoue

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background: We aimed to evaluate the early clinical results of the reconstruction of problematic elbow joints due to rheumatoid arthritis (RA) using a PROSNAP linked elbow prosthesis (Kyocera Medical, Osaka, Japan) for total elbow arthroplasty. Methods: Seventeen elbows in 14 RA patients were replaced with a PROSNAP elbow with cement fixation. The patients comprised 1 man and 13 women, with a mean age of 63.9 years (range, 52-83 years) at the time of surgery. The preoperative conditions of the elbows were arthritis mutilans (n = 10), an ankylosed or stiff elbow with a preoperative range of motion of 45° or less (n = 4), and loosening of a primary total elbow arthroplasty (n = 3). The mean follow-up period was 47.7 months (range, 32-69 months), with a 100% follow-up rate. The clinical outcome of the elbows was evaluated by the Mayo Elbow Performance Index (maximum, 100 points). Results: The mean postoperative Mayo Elbow Performance Index score improved from 57.6 points to 97.1 points. Preoperatively, 3 of the 17 elbows were judged as good, 7 as fair, and 7 as poor; at final follow-up, 16 elbows were judged as excellent and 1 as good. Complications were noted in 1 elbow (6%), which had undergone a postoperative fracture. Conclusions: The PROSNAP elbow prosthesis can be safely implanted through a relatively easy procedure and provides satisfactory short-term clinical outcomes for the reconstruction of severely damaged RA elbows. Level of evidence: Level IV, Case Series, Treatment Study.

Original languageEnglish
Pages (from-to)837-842
Number of pages6
JournalJournal of Shoulder and Elbow Surgery
Volume23
Issue number6
DOIs
Publication statusPublished - Jun 2014

Keywords

  • Arthroplasty
  • Elbow
  • Linked elbow
  • PROSNAP
  • Rheumatoid arthritis

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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