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J Shoulder Elbow Surg. 2018 Dec;27(12):2191-2197. doi: 10.1016/j.jse.2018.05.039. Epub 2018 Aug 6.

Clinical and radiologic outcomes following total shoulder arthroplasty using Arthrex Eclipse stemless humeral component with minimum 2 years' follow-up.

Author information

1
Princess Elizabeth Orthopaedic Centre, Royal Devon and Exeter Hospital, Exeter, UK.
2
Princess Elizabeth Orthopaedic Centre, Royal Devon and Exeter Hospital, Exeter, UK. Electronic address: williamthomas@nhs.net.

Abstract

BACKGROUND:

Stemless humeral components benefit from less morbidity, better reproduction of the humeral anatomy, ease of revision, and fewer stem-related complications. Encouraging results are available up to 9 years after surgery from the designer's series. This is an independent study of 100 consecutive Eclipse stemless prostheses for osteoarthritis with a minimum 2-year follow-up (range, 2-6 years).

METHODS:

We included only total shoulder arthroplasties performed for osteoarthritis. The primary outcome was the Oxford Shoulder Score (OSS) after 2 years. Secondary outcome measures were change in shoulder range of movement and radiographic analysis of prosthesis size and position.

RESULTS:

The mean OSS at 2 years was 38 of 48, with a mean improvement of +19 points (range, +17 to +22 points; P < .001). There was no significant deterioration in OSS after 3 or 4 years' follow-up. Statistically significant improvement was seen in arm elevation and external rotation (P < .001). There were 5 reoperations-1 for impingement of the biceps stump and 4 revisions to reverse arthroplasty for cuff failure. Of the prostheses, 92% were sized within 2 mm of the anatomic head size, and in 76% of prostheses, the center of rotation was within 3 mm of the native anatomy. An incomplete radiolucent line was present in zone B (around the cage screw) in a single patient at 2 years following surgery. There were no cases of loosening or infection.

CONCLUSION:

The functional and radiographic outcomes of Eclipse total shoulder replacement are excellent. We were able to accurately reproduce the native anatomy in the majority of cases, with no implant loosening, at 2 to 6 years' follow-up.

KEYWORDS:

OSS; ROM; Shoulder; arthroplasty; outcomes; radiologic; shoulder replacement; stemless prosthesis

PMID:
30093232
DOI:
10.1016/j.jse.2018.05.039
[Indexed for MEDLINE]

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