Study |
Design |
HXLPE |
Head |
Follow-Up |
Conclusions |
Bragdon et al.J Arthrop 2007(EFORT ‘09) |
Non-consecutive, non-randomized30 hips |
Longevity 100 kGy, remelted |
28mmCrCo (16 hips)vs36mmCrCo(14 hips) |
3 yearsEFORT 09:7-10yr |
No diff 3D between28 and 36mm |
Röhrl et al.Acta Orthop 2007 |
Retrospective, comparative56 hips/53 |
Crossfire105 KGy, annealed |
28 mm CrCo |
XLPE 6 yr, Std 5 yr |
No wear rate progression at 6yr re oxidation |
Digas et al.Acta Orthop 2007 (cem) |
Prospective, randomized56 hips |
Durasul95 kGy, remelted |
28 mm CrCo |
5 years |
0.001 vs0.06mm/yr (3D) (98% decrease) |
Digas et al.Acta Orthop 2007 (hybr) |
Prospective, randomized contralat control32 hips/32 |
Longevity100 KGy, remelted |
28 mm CrCo |
5 years |
0.00 vs0.057mm/yr(3D)(99-100% decrease) |
Glyn-Jones et al.J Arthrop 2008 |
Prospective, doub-blind, rand, controlled26 hips/25 |
Longevity100 KGy, remelted |
28 mm CrCo |
2 years |
0.06 mm/yr vs0.10 (3D)(40% decrease) |