Knee and hip replacement

The Michigan Arthroplasty Registry Collaborative Quality Initiative is a statewide quality initiative that improves the quality of hip and knee joint replacement surgery procedures and reduces unnecessary costs of this care in the state of Michigan.

More than 60 hospitals, seven outpatient surgery centers and 450 orthopedic surgeons across the state participate. For more information, go to


  • Reduced blood transfusion rate to less than 2.0 percent for primary cases.
  • Implemented an infection prevention bundle across the collaborative, including decolonization for staph infection, reducing the infection rate to 0.4 percent.
  • Reduced discharges to extended care facilities after knee or hip replacement surgery to 10 percent compared to a national average of over 25 percent.
  • Supported the sites that are implementing the Comprehensive Care for Joint Replacement Bundle.