McMinn Hip Resurfacing - Richard Carey-Smith 26/4/2001

Authors

McMinn DJW, Pynsent PB, De Cock CAEM, Treacy RBC, Isbister ES

Title

Results of metal on metal hip resurfacing

Reference

J Bone Joint Surg Br.  2000  82(B)  Proceedings supplement 2

Summary

Results of a pilot study of 119 hips revealed optimum results with HA coated cups and cemented femoral components.  McMinn performed 1085 consecutive hip resurfacings from 1994, 294 McMinn type then 791 Birmingham type.  Mean age 53. 5 failed in each group.  Survival at 5-6 yrs thus 98%.

Analysis of 206 pt (27 bilateral) in paid employment reveals all returned to work within 7.1 weeks, and 169 participated in recreational or competitive sport!!

Critique

Analysis of own results, med term.

Take Home Message

Hip resurfacing using metal on metal hybrid fixation offers a viable alternative for young active patients.

Authors

McMinn DJW, Treacy R, Lin K, Pynsent P

Title

Experience of McMinn prosthesis

Reference

Clin Orth 1996 Aug(329 Suppl) S 89-98

Summary

Historical failure due to wear debris and subsequent bone resorption, resulting in loosening.  Surface replacement with metal on metal bearing allows thin component design with instruments to avoid varus malalignment.  235 jts in 5 years, no #, no dislocation.  4 designs (press fit -> 6/70 revised for aseptic loosening), cemented (cup debonding in 3/43), HA coated (6, all excellent), hybrid (116 with excellent outcome).

Critique

Short follow up, own prosthesis.



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