Department of Human Morphology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama City, Japan; Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama City, Japan.
Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama City, Japan.
J Shoulder Elbow Surg. 2014 Jun;23(6):837-42. doi: 10.1016/j.jse.2013.12.031. Epub 2014 Mar 20.
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.
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).
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.
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 IV, case series, treatment study.
我们旨在评估使用 PROSNAP 链接肘部假体（日本京瓷医疗）对类风湿关节炎（RA）导致的问题性肘部关节进行全肘置换的早期临床结果。
14 例 RA 患者的 17 个肘部通过水泥固定进行 PROSNAP 肘部置换。患者包括 1 名男性和 13 名女性，手术时的平均年龄为 63.9 岁（范围，52-83 岁）。肘部的术前情况为关节炎性畸形（n=10）、术前活动度为 45°或以下的僵硬或强直肘部（n=4）以及初次全肘置换松动（n=3）。平均随访时间为 47.7 个月（范围，32-69 个月），随访率为 100%。肘部的临床结果通过 Mayo 肘部功能指数（最高 100 分）进行评估。
平均术后 Mayo 肘部功能指数评分从 57.6 分提高到 97.1 分。术前，17 个肘部中有 3 个被评为良好，7 个为一般，7 个为差；最终随访时，16 个肘部评为优秀，1 个评为良好。1 个肘部（6%）出现并发症，即术后骨折。
PROSNAP 肘部假体可以通过相对简单的手术安全植入，并为严重受损的 RA 肘部重建提供满意的短期临床结果。
IV 级，病例系列，治疗研究。
