Lateralized Versus Nonlateralized Reverse Shoulder Arthroplasty: Impact on Clinical and Functional Outcomes

IF 4.5 Q1 EDUCATION & EDUCATIONAL RESEARCH Techniques in Shoulder and Elbow Surgery Pub Date : 2020-11-18 DOI:10.1097/BTE.0000000000000204
Y. Chua, P. Lam, G. Murrell
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引用次数: 1

Abstract

The aim of this study was to compare the early clinical and functional outcomes of patients who received the 2 major variations of reverse shoulder arthroplasty (RSA). The nonlateralized Aequalis Reversed Shoulder System (Tornier, Nice, France) was followed by the lateralized Encore Reverse Shoulder Prosthesis (DJO Surgical, Austin, Texas). Patient-determined pain and functional scores and examiner-determined range of motion and strength were assessed preoperatively and postoperatively at 1, 6, 12 weeks, and 6 months. Seventy RSAs performed in 66 consecutive patients: 35 shoulders in the lateralized group and 35 shoulders in the nonlateralized group met the inclusion criteria and formed the cohorts. Both groups experienced similar excellent clinical outcomes, with the exception that the lateralized group had better internal rotation range of motion (L3-4 vs. S1, P=0.03), lower frequency of pain during sleep (P=0.04), less severe pain at rest (P=0.03) and higher involvement in sporting activities (P=0.04) at 24 weeks. In conclusion, patients who underwent RSA with a lateralized glenosphere had better internal rotation range of motion, less pain, and better function than those who received a nonlateralized prosthesis. These differences were apparent within 6 months postsurgery. Level of Evidence: Level III.
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侧位与非侧位肩关节置换术:对临床和功能结果的影响
本研究的目的是比较接受两种主要的反向肩关节置换术(RSA)的患者的早期临床和功能结果。非侧化的Aequalis反肩系统(Tornier, Nice, France)之后是侧化的Encore反肩假体(DJO Surgical, Austin, Texas)。术前和术后分别在1、6、12周和6个月评估患者确定的疼痛和功能评分以及检查者确定的活动范围和力量。在66例连续患者中进行了70例RSAs:侧化组35例肩部和非侧化组35例肩部符合纳入标准并形成队列。两组临床结果相似,除了侧化组在24周时有更好的内旋活动范围(L3-4 vs. S1, P=0.03),睡眠时疼痛频率较低(P=0.04),休息时疼痛程度较轻(P=0.03)和更多参与体育活动(P=0.04)。综上所述,与接受非侧化假体的患者相比,接受侧化假体的RSA患者具有更好的内旋活动范围,更少的疼痛和更好的功能。这些差异在术后6个月内明显。证据等级:三级。
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期刊介绍: Published quarterly, Techniques in Shoulder & Elbow Surgery escorts the reader into the operating room and supplies step-by-step details of exciting and advanced techniques. It explains the evolution of and rationale for the procedures, identifies the pitfalls and possible complications, provides invaluable tips for improving surgical results and it is illustrated cover to cover with high-quality intraoperative photographs and drawings, many in full color.
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