Table 1.
Clinical information for all retrieved TDRs.
| Implant | Age at Implantation | Gender | Primary Diagnosis | Level | Implant Fixation Method | Year of Index Surgery | Year of Removal Surgery | Endplate Size | Implantation Time (years) |
|---|---|---|---|---|---|---|---|---|---|
| Sal 002 | 45 | M | Disc degeneration | L4/L5 | Noncoated | 1997 | 2006 | 3 | 8.3 |
| Sal 003 | 45 | M | Disc degeneration | L5/S1 | Noncoated | 1997 | 2006 | 3 | 8.3 |
| Maa019 | 72 | F | Disc degeneration | L4/L5 | Noncoated | 1990 | 2006 | 2 | 16.1 |
| Maa020 | 43 | F | Disc degeneration after herniation | L4/L5 | Coated | 2002 | 2006 | 4 | 3.3 |
| Maa021 | 43 | F | Disc degeneration after herniation | L5/S1 | Coated | 2002 | 2006 | 4 | 3.3 |
| Maa022 | 47 | F | Disc degeneration | L4/L5 | Coated | 2001 | 2006 | 3 | 5.3 |
| Maa023 | 45 | F | Disc degeneration | L5/S1 | Coated | 2001 | 2006 | 3 | 4.6 |
| BR 001 | 43 | F | Painful disc | L5/S1 | Noncoated | 2004 | 2006 | 2 | 2.0 |
| Maa024 | 42 | F | Disc degeneration | L4/L5 | Noncoated | 2000 | 2006 | 4 | 6.2 |
| Med001 | 50 | F | Disc degeneration, Back Pain | L5/S1 | Noncoated | 2000 | 2005 | 3 | 4.8 |
| Sal 004 | 44 | M | Disc degeneration | L4/L5 | Noncoated | 1998 | 2006 | 3 | 7.8 |
| Sal 005 | 44 | M | Disc degeneration | L5/S1 | Noncoated | 1998 | 2006 | 4 | 7.8 |
| Maa025 | 45 | F | Disc degeneration post herniated disc surgery | L4/L5 | Noncoated | 1993 | 2006 | 3 | 13.6 |
| Maa026 | 42 | F | Disc degeneration | L4/L5 | Noncoated | 1996 | 2006 | 2 | 10.7 |
| BR-002 | 46 | F | Disc degeneration | L4/L5 | Noncoated | 2004 | 2006 | 3 | 2.2 |
| Sal 006 | 44 | F | Disc degeneration, Back Pain | L5/S1 | Noncoated | 2001 | 2006 | 2 | 5.7 |
| Maa027 | 52 | F | Disc degeneration L3/L4 | L3/L4 | Coated | 2003 | 2007 | 4 | 4.1 |
| Implant | Revision Reason(s) | Complications | Osteolysis? | ||||||
| Sal 002 | Wire breakage; pain; superior endplate subsidence | Subsidence | No | ||||||
| Sal 003 | Pain | No | |||||||
| Maa019 | Progressive anterior migration; pressure against the aorta; back and leg pain | Anterior Migration | No | ||||||
| Maa020 | Severe back pain; lateral subsidence | Subsidence | No | ||||||
| Maa021 | Severe back pain; facet degeneration | No | |||||||
| Maa022 | Severe pain; height loss posteriorly at core; facet joint arthrosis (L4-L5/L5-S1); adjacent disc (L3-L4) degeneration | No | |||||||
| Maa023 | Severe back and leg pain; multiple disc degeneration above prosthesis; lateral displacement (upper endplate in relation to lower endplate) | No | |||||||
| BR 001 | Painful prosthesis; superior endplate subsidence | Subsidence | No | ||||||
| Maa024 | Persisting pain after posterior pedicle screw fixation and fusion L4-L5/L5-S1 | No | |||||||
| Med001 | Pain | No | |||||||
| Sal 004 | Pain; wire breakage | No | |||||||
| Sal 005 | Pain | No | |||||||
| Maa025 | Severe back and leg pain; wire breakage | No | |||||||
| Maa026 | Pain | No | |||||||
| BR-002 | Pain | No | |||||||
| Sal 006 | Pain; subsidence | Subsidence | No | ||||||
| Maa027 | Persisting pain in lower back and both legs; no bony fusion; prosthesis in excessive extension | No | |||||||