#Polyethylene wear in both cemented and #uncemented total hip arthroplasty
(THA) lead to generation of particles with their access to the
interface which has been responsible for #periprosthetic osteolysis and
subsequent loosening of cup and stem. Many studies have been published
studying the pattern of polyethylene wear and its relation to the type
of implant (cemented/ uncemented cup or ceramic/metal head) used. No
study in our knowledge has strictly focused on the effect of cemented
versus uncemented stem on the polyethylene wear rates. We tried to
compare the polyethylene wear rates reckoned with software (Poly Ware
REV 7) of ultra high molecular weight polyethylene (UHMWPE) in hybrid
and uncemented THA and its effect on complications of total hip
replacements. We retrospectively reviewed #pre-matched 56 patients in
uncemented group with 112 patients in hybrid group on the basis of
polyethylene wear rate, revision rates and clinical issues, with mean
follow up of 9.42 and 7.25 years (yrs.) respectively.
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