Table 5.
Survivorship and clinical results in published series‡
| Study | Prosthesis | Series | Lost at followup† | Mean followup | Survival rate (followup) | Revisions | Function | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TAA/patients | (years) | (%) | Followup (years) | 95% CI (%) | End point | Fusion | Exchange | Reoperation | Score | Results | |||
| Wood et al. [52] | STAR | 200/187 | 0 | 7.3 | 80.3 | 10 | 71–89.6 | Fusion or revision (including PE) | 20 | 4 | 6 | AOFAS | Pain: 35 (0–40) Function: 40 (20–54) |
| Knecht et al. [26] | Agility | 132/126 | 12 | 9 | 63 | 11 | 35–90 | Fusion or revision (PE excluded) | 7 | 7 | 32 | AOS [12] | 2.55 ± 2.31 |
| Buechel et al. [9] | Buechel-Pappas (shallow sulcus) | 40/38 | 0 | 12 | 74.2 | 20 | 35–100 | Revision | * | * | * | NJOH [8] | 28: good/excellent Two: fair 10: poor |
| Buechel et al. [9] | Buechel-Pappas (deep sulcus) | 75/74 | 0 | 5 | 92 | 12 | 55–100 | Revision | * | * | * | NJOH [8] | 66 good/excellent Four: fair Five: poor |
| San Giovanni et al. [40] | Buechel-Pappas | 31/23 | 0 | 8.3 | 93.4 | 12 | 83–100 | Fusion | 2 | AOFAS | 81 (40–92) | ||
| Kofoed [28] | STAR (cemented) | 33/33 | 0 | 9.4 | 70 | 12 | 60.3–78.5 | Fusion or revision | 4 | 5 | 0 | Kofoed [28] | 74.2 ± 19.3 |
| Kofoed [28] | STAR | 25/25 | 0 | 9.4 | 95.4 | 12 | 91–99.9 | Fusion or revision | 0 | 2 | 0 | Kofoed [28] | 91.7 ± 7.4 |
| Karantana et al. [24] | STAR | 52/45 | 0 | 5 to 9 | 65 | 9 | 24.3–88 | Fusion or revision | 2 | 6 | 9 | AOFAS | 78 ± 18 (range, 30–100) |
| Doets et al. [11] | LCS and Buechel-Pappas | 93/76 | 0† | 7.6 | 84 | 16.3 | 73–93 | Fusion or revision | 13 | 2 | * | AOFAS | 77 ± 3.8 |
| Current series | Salto (mobile-bearing) | 98/96 | 0 | 8.9 | 84.8 | 11 | 75–95 | Fusion or revision (including PE) | 6 | 5 | 13 | AOFAS | 79.3 ± 11.9 |
‡Selected on the basis of a mean followup more than 5 years * not mentioned in the article; †deceased patients excluded; TAA = total ankle arthroplasty; CI = confidence interval; PE = polyethylene; AOFAS = American Orthopaedic Foot and Ankle Society; AOS = ankle osteoarthritis scale; NJOH = New Jersey Orthopaedic Hospital ankle scoring scale.