The Journal of Bone and Joint Surgery (American). 2006;88:85-96.
doi:10.2106/JBJS.F.00592
© 2006 The Journal of Bone and Joint Surgery, Inc.
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Vascularity of the Arthritic Femoral Head and Hip Resurfacing

Paul E. Beaulé, MD, FRCSC, Pat Campbell, PhD, Zhen Lu, PhD, Katharina Leunig-Ganz, MD, Martin Beck, MD, Michael Leunig, MD and Reinhold Ganz, MD

Corresponding author:
Paul E. Beaulé, MD, FRCSC
Division of Orthopaedic Surgery, University of Ottawa, 501 Smyth Road,
Suite 5004, Ottawa Hospital, General Campus, Ottawa, ON K1H 8L6,
Canada. E-mail address: pBeaule@ottawahospital.on.ca

The first 150 words of the full text of this article appear below.


   Introduction
 
With the application of metal-on-metal bearings, hip resurfacing arthroplasty is being performed in a growing number of young adults worldwide. It is anticipated that the problems faced by the first generation of metal-on-polyethylene surface arthroplasties, primarily related to polyethylene wear debris-induced osteolysis1,2, have been overcome by the current generation of low-wearing metal-on-metal surface replacements3,4 (Fig. 1). Short-term clinical followup reports have been encouraging, with a 97% to 99% survival rate at four to five years5-8; however, femoral neck fractures and femoral loosening still pose a challenge5-8. In terms of surgical technique, femoral positioning in a valgus orientation9 and the avoidance of neck notching10 have been advocated. Currently, controversy surrounds the role of femoral head vascularity with regard to implant durability; some surgeons are concerned that the posterior surgical approach sacrifices the important extraosseous blood supply to the femoral head11-13 (Fig. 2), whereas others . . . [Full Text of this Article]


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Modern Metal-on-Metal Hip Resurfacing: Important Observations from the First Ten Years
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A. Shimmin, P. E. Beaule, and P. Campbell
Metal-on-Metal Hip Resurfacing Arthroplasty
J. Bone Joint Surg. Am., March 1, 2008; 90(3): 637 - 654.
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