A comparison of the existing published literature on the performance of the 36 mm Pinnacle MoM hip arthroplasty system
| Authors | Source | Per cent of 36 mm diameter Pinnacles | Implantation date | Number of hips | Stems | Mean FU | Prospective | Blood Co >5 µg/L (%) | Survival | Risk factors (examined/positive) |
|---|---|---|---|---|---|---|---|---|---|---|
| Engh et al32 | USA | 100 | 2001–2002 | 131 | AML/prodigy (CoCr) | 5 years | No | Not reported | 98% at 5 years | Not examined |
| Engh et al34 | USA | 100 | 2003–2005 | 32 | AML/prodigy (CoCr) | 2 years (maximum) | Yes | Not reported | Not reported | Not examined |
| Antoniou et al42 | Canada | 100 | 2005–2006 | 58 | Prodigy (CoCr) | 1 year | Yes | 6.9% | Not reported | Not examined |
| Barrett et al43 | USA | 98.8 | 2001–2009 | 778 | Endurance prodigy replica SROM AML Summit | 4.2 years | Yes | Not reported | 97% at 5 years | Not examined |
| Smith et al40 | Canada | Not reported | Not reported | 16 | Not reported | 3.4 years | Yes | 6.25% | Not reported | Not examined |
| Bernasek et al44 | USA | 86 | 2001–2005 | 430 | Summit (Ti) | 6.8 years | No | Not reported | 95.8% at 9 years | None |
| Liudahl et al45 | USA | 97 | 2002–2006 | 169 | Summit (Ti) | 4.7 years | Yes | Not reported | 99.4% at 4 years | None |
| Matharu et al35 | Europe | 97.6 | 2004–2010 | 578 | Corail (Ti) | 5 years | No | 8.7% above 7 | 88.9 at 8 years | Sex (p=0.053) |
| Lainiala et al46 | Europe | 100 | 2002–2010 | 430 | Corail/SROM/Summit (Ti), prodigy (CoCr) | 7.5 years | No | 16.1% | 86% at 9 years | Gender; age; bilaterality; stem Sex (p=0.069) |
| Langton et al | Europe | 100 | 2003–2009 | 488 | Corail/SROM (Ti) | 7.2 years | No | 10.9% | 83.6% at 9 years | Sex; age; stem; bilaterality; liner size; year of implantation |
FU, follow-up, MoM, metal on metal.