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24.01.2018 | Original Paper | Ausgabe 6/2018

International Orthopaedics 6/2018

Long-term survivorship of stemless anatomical shoulder replacement

Zeitschrift:
International Orthopaedics > Ausgabe 6/2018
Autoren:
Sascha Beck, Verena Beck, Alexander Wegner, Marcel Dudda, Theodor Patsalis, Marcus Jäger
Wichtige Hinweise
This study has been approved by the local ethical committee, study number 15–6695.

Abstract

Purpose

Like in many other joints, current shoulder replacement designs aim at bone preservation. According to the literature available, stemless total shoulder arthroplasty (TSA) compares favourably with stemmed designs in terms of function and survivorship of the implant. However, long-term results of stemless shoulder arthroplasty are still missing. Therefore, the aim of the present study was to evaluate long-term results of stemless anatomical TSA.

Methods

Between 2006 and 2009, 51 shoulders in 46 patients were resurfaced using the Biomet Total Evolutive Shoulder System (TESS). Thirty-one shoulders in 26 patients who were aged 66.7 ± 10.0 (range 34–82) years were available for review at a mean follow-up of 94.7 ± 11.3 (76–124) months.

Results

The implant survival rate was 93.5% at eight years. The overall revision rate of the TESS implant was 9.7%. Radiolucent lines were found on the glenoid side of the TESS arthroplasty in 90.9% of the cases. All stemless humeral corolla implants showed solid fixation at follow-up. Clinical scores significantly improved at long-term follow-up (VAS from 8.1 ± 0.9 to 1.0 ± 1.2, p < 0.001; Quick-DASH from 67.9 ± 13.5 to 18.7 ± 16.5, p < 0.001 and Constant score from 14.7 ± 6.1 to 68.8 ± 13.2, p < 0.001).

Conclusions

Stemless TSA has stood the test of time at eight years in terms of clinical scores, radiographic loosening, complication rates and implant survivorship.

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