Table 5

A comparison of the existing published literature on the performance of the 36 mm Pinnacle MoM hip arthroplasty system

AuthorsSourcePer cent of 36 mm diameter PinnaclesImplantation dateNumber of hipsStemsMean FUProspectiveBlood Co >5 µg/L (%)SurvivalRisk factors (examined/positive)
Engh et al32USA1002001–2002131AML/prodigy (CoCr)5 yearsNoNot reported98% at 5 yearsNot examined
Engh et al34USA1002003–200532AML/prodigy (CoCr)2 years (maximum)YesNot reportedNot reportedNot examined
Antoniou et al42Canada1002005–200658Prodigy (CoCr)1 yearYes6.9%Not reportedNot examined
Barrett et al43USA98.82001–2009778Endurance prodigy replica
AML Summit
4.2 yearsYesNot reported97% at 5 yearsNot examined
Smith et al40CanadaNot reportedNot reported16Not reported3.4 yearsYes6.25%Not reportedNot examined
Bernasek et al44USA862001–2005430Summit (Ti)6.8 yearsNoNot reported95.8% at 9 yearsNone
Liudahl et al45USA972002–2006169Summit (Ti)4.7 yearsYesNot reported99.4% at 4 yearsNone
Matharu et al35Europe97.62004–2010578Corail (Ti)5 yearsNo8.7% above 788.9 at 8 yearsSex (p=0.053)
Lainiala et al46Europe1002002–2010430Corail/SROM/Summit (Ti), prodigy (CoCr)7.5 yearsNo16.1%86% at 9 yearsGender; age; bilaterality; stem
Sex (p=0.069)
Langton et alEurope1002003–2009488Corail/SROM (Ti)7.2 yearsNo10.9%83.6% at 9 yearsSex; age; stem; bilaterality; liner size; year of implantation
  • FU, follow-up, MoM, metal on metal.