An Evaluation of the Efficiency of the Use of an Anatomical Third Generation Shoulder Prosthesis in 102 Patients

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Abstract

Purpose of the study:

In this study a series of 102 cases was reviewed in which a so called third generation shoulder prosthesis had been used. There was an interest in evaluating the quality and efficiency of the outcome.

Material and methods:

The patient population consisted of 32 men and 70 women. The mean age was 65.8 years. The mean postoperative follow-up time was 44.5 months.

Material and methods:

Indication for arthroplasty was all common degenerative and traumatic conditions of the shoulder.

Material and methods:

All patients were evaluated and analysed prospectively by a standardised protocol. The postoperative investigation consisted of a clinical examination and a radiographic analysis. We used the Constant and the Wülker Score.

Results:

All patients had a significant improvement in shoulder function independent of the specific indication. The mean postoperative shoulder function attained 88% as measured by the Constant score. With regard to the different indications, the significant improvement was confirmed in each of the groups. Osteo-arthritis reached the highest (91%) and rheumatoid arthritis the lowest value (71%). The results of total shoulder arthroplasties was better than in hemi-shoulder arthroplasties (93% versus 86%).

Conclusions:

In summary, it could be demonstrated that most indications for shoulder arthroplasty can be successfully treated by using a third generation implant. Total shoulders reach better results in a mid-term follow-up.

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