Table 5.
Functional shoulder results after implantation of a bipolar prosthesis in patients with rheumatoid arthritis and irreparable rotator cuff tear based on a search in the literature. Comparison with the results of this study (John et al.) after reversed arthroplasty
| Variable | Swanson et al. [19] | Swanson et al. [20] | Lee and Niemann [12] | Boyer et al. [3] | This study by John et al. | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Type of prosthesis | Bipolar HEMI | Bipolar HEMI | Bipolar HEMI | Bipolar HEMI | Reversed TSA | |||||
| Number of cases included | 10 | 20 | 7 | 12 | 17 | |||||
| Patient’s mean age (y) | 62 | 62 | 57.3 | 58 | 67.3 | |||||
| Follow-up time (mo) | 41 | 63 | 32.6 | 60+ | 24.3 | |||||
| Pre-op | Post-op | Pre-op | Post-op | Pre-op | Post-op | Pre-op | Post-op | Pre-op | Post-op | |
| Forward flexion | 54° | 80.5° | 53° | 76° | 46° | 79° | 63.8° | 83.7° | 68.4° | 123° |
| External rotation | 18° | 30.5° | 16° | 35° | 3° | 20° | 12° | 29.1° | 19.8° | 52.5° |
| Abduction | 39° | 69° | 43° | 68° | 35° | 66° | 45° | 70.4° | 65.9° | 119.7° |
| Constant score | ∅ | ∅ | ∅ | ∅ | ∅ | ∅ | 16.9 | 39.4 | 19 | 59.5 |
Pre-op preoperative, Post-op postoperative, HEMI shoulder hemi-arthroplasty,TSA total shoulder arthroplasty