Current Concepts Review Metal-on-Metal Total Hip Arthroplasty

By Ajay Malviya, FRCS(Orth), Jayasree Ramaskandhan, MSc, James P. Holland, FRCS(Orth), and Elizabeth A. Lingard, PhD

Investigation performed at the Department of Orthopaedic Surgery, Freeman Hospital, Newcastle on Tyne, United Kingdom

The Journal of Bone & Joint Surgery. Volume 92-A, July 7, 2010

• The effects of elevated levels of metal ions in patients who have undergone metal-on-metal total hip arthroplasty are not fully understood.
• The effects of femoral head size on serum metal-ion levels have been the subject of conflicting reports, and further investigation is needed to evaluate the impact of acetabular and femoral component alignment.
• The conduct of clinical trials of metal-on-metal total hip arthroplasties has been inadequate as few investigators have used a randomized controlled design to compare metal-on-metal bearings with other bearing surfaces.
• Additional clinical research needs to include appropriate validated patient-reported outcome measures, activity monitoring, and health economics.

• Minimal Incision Surgery as a Risk Factor for Early Failure of Total Hip Arthroplasty
• Wear and Range of Motion of Different Femoral Head Sizes
• Restoration of the Center of Rotation in Revision Total Hip Arthroplasty
• The Prevalence of Groin Pain After Metal-on-Metal THA and Total Hip Resurfacing
• Metal-on-Metal Hip Arthroplasty in Patients Thirty Years of Age or Younger
• Current Concepts Review Metal-on-Metal Total Hip Arthroplasty
• Revision of Failed Total Hip Arthroplasty Acetabular Cups to Porous Tantalum Components
• Risk of Complication and Revision THA Among Medicare Patients
• Optimal acetabular orientation for hip resurfacing

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