Table 5.
Studies documenting the results of TKAs performed with CCK implants at a mean follow-up of at least 5 years (published in the last 10 years): Revision TKA.
| Indications for CCK Prosthesis | N° of Knees at Study Start (N° of Pts.) | Implant Type | % of Knees with Stem Ex-tension | Implantation Period | mean Age at Surgery [Yrs] | mean Follow-Up [yrs] | mean WOMAC at Follow-Up [%] | Mean Flexion at Follow-Up | Complications | N° of CCK Implant Revisions (Raw Revision Rate) | Cumulative Survival [TKAs Remaining] |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Present study | -ligament deficiency -severe varus/valgus deformity -severe bone loss/bad bone quality |
26 (26) | NexGen LCCK | 100% | 2001-2003 | 72 ± 7 (56 to 85) | 11.4 ± 0.8 (10.2 to 12.8) | 72.4 ± 10.5 (25.0 to 81.2) | 94° ± 7° (90° to 110°) | None | 0 | 100% at 10 yrs [25] |
| Wilke 2014 [22] | Soft tissue deficiency; Marked bone loss |
234 (209) | Total Condylar-III (Depuy) | 99% |
1995-2000 | 69.3 (33 to 89) | 9 (0.25 to 17.7) | NR | 98.6° ± 16° | 18x infection (18x R) 22x aseptic loosening, osteolysis or pain (22x R) |
40 (40/234= 17.1%) |
81% at 10 yrs [98] |
| Lee 2013 [16] | Asymmetrical extension and flexion gap; uncorrectable large flexion gap, mid flexion instability; posterolateral subluxation. |
79 (68) | NexGen LCCK |
100% | 1998-2008 | 68.8 (46 to 83) | 5.3 ± 2.3 (2 to 12.3) | NR | 108° (30° to 140°) | 4x recurrent infection (4x R) 1x periprosthetic Fx (plate fixation) 2x stem tip pain 1x aseptic loosening (1x R) |
5 (5/79=6.3%) | 93.0% at 8 yrs [12] |
| Kim 2009 [20] | Absence of posterior cruciate ligament and a deficient medial or lateral collateral ligament but with intact quadriceps mechanism. |
114 (97) | NexGen LCCK |
100% | 1998-2003 | 65 (26 to 81) | 7.2 (5 to 10) | See note (°) | 106° (67° to 125°) | 1x femoral component aseptic loosening (1x R) 3x tibial component aseptic loosening (3x R) 2x recurrent infection (2x R) 3x quadriceps tendon rupture 1x fracture of the tibial post leading to instability (1x R) |
7 (7/114=6.1%) | 96% (95% CI, 94 to 100%) at 10 yrs [NR] |
| Sheng 2005 [21] | NR | 16 (14) | Total Condylar-III (Depuy) |
100% | 1994-2000 | 59 (36 to 78) | 6.2 (3.7 to 10.2) | NR | 98° (0° to 145°) | 1x severe patellar pain treated with resurfacing 1x patellar fracture 1x infection (1x R) |
1 (1/16=6.3%) | NR |
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