8. Race A, Miller MA, Clarke MT. Cement-implant interface gaps
explain the poor results of CMW3 for femoral stem fixation:
a cadaver study of migration, fatigue and mantle morphology.
Acta Orthop 2005;76:679.
9. Cristofolini L, Erani P, Savigni P. Increased long-term failure risk
associated with excessively thin cement mantle in cemented
hip arthroplasty: a comparative in vitro study. Clin Biomech 2007;
22:410.
10. Cristofolini L, Saponara Teutonico A, Savigni P. Pre-clinical
assessment of the long-term endurance of cemented hip stems.
Part 1: effect of daily activitiesâ a comparison of two load histories.
Proc Inst Mech Eng [H] 2007;221:569.
11. Doebelin EO. Measurement systems: application and design.
Boston: McGraw-Hill; 2004.
12. Maher SA, Prendergast PJ. Discriminating the loosening behaviour
of cemented hip prosthesis using measurements of migration and
inducible displacement. J Biomech 2002;35:257.
13. Monti L, Cristofolini L, Viceconti M. An in-vitro quantitative
analysis of the primary stability of uncemented hip stems. Artif
Organs 1999;23:851.
14. Bühler DW, Berlemann U, Lippune K. Three-dimensional
primary stability of cementless femoral stems. Clin Biomech
1997;12:75.
15. Bühler DW, Oxland TR, Nolte LP. Design and evaluation of a
device for measuring three dimensional micromotions of press-fit
femoral stem prostheses. Med Eng Phys 1997;19:187.
16. Bergmann G. Hip 98â loading of the hip joint. Free University of
Berlin; 2001.
17. Bergmann G, Deuretzbacher G, Heller M. Hip contact forces and
gait patterns from routine activities. J Biomech 2001;34:859.
18. Wroblewski BM. The mechanism of fracture of the femoral
prosthesis in total hip replacement. Int Orthop 1979;3:137.
19. Bergmann G, Graichen F, Rohlmann A. Is staircase walking a risk
for the fixation of hip implants. J Biomech 1995;28:535.
20. Harman MK, Toni A, Cristofolini L. Initial stability of uncemented
hip stems: an in-vitro protocol to measure torsional interface
motion. Med Eng Phys 1995;17:163.
21. Heller MO, Bergmann G, Kassi JP. Determination of muscle
loading at the hip joint for use in pre-clinical testing. J Biomech
2005;38:1155.
22. Stolk J, Verdonschot N, Huiskes R. Stair climbing is more
detrimental to the cement in hip replacement than walking. Clin
Orthop Relat Res 2002;405:294.
23. Dorey FD, Amstutz HC. Editorial: the need to account for patient
activity when evaluating results of total hip arthroplasty with
survivorship analysis. J Bone Joint Surg AM 2002;84-A:709.
24. Kilgus DJ, Dorey FD, Finerman GAM. Patient activity, sports
participation, and impact loading on the durability of cemented
total hip replacement. Clin Orthop Relat Res 1991;269:25.
25. NIH.Totalhipjointreplacement.NIHConsensStatement1994;12:1.
26. Cristofolini L, Erani P, Savigni P. Pre-clinical assessment of the
long-term endurance of cemented hip stems. Part 2: in-vitro and
ex-vivo fatigue damage of the cement mantle. Proc Inst Mech Eng
[H] 2007;221:585.
27. Maher SA, Prendergast PJ, Lyons CG. Measurement of migration
of a cemented hip prosthesis in an in vitro test. Clin Biomech 2001;
16:307.
28. Montgomery DC. Design and analysis of experiments. New York:
J. Wiley; 2005.
This Letter to the Editor is published without res-
ponse. The authors could not be located.
© 2009 Elsevier Inc. All rights reserved.
doi: 10.1016/j.arth.2008.11.008
Erratum
For the article titled “Femoral Component Revision Using an Extensively Hydroxyapatite-Coated Stem” published in J Arth 2004;
19:8, the coauthor listed as Charles H. Crawford, BS, should be listed as Charles H. Crawford, III, BS.
Letters to the Editor 659