American Association of Hip and Knee Surgeons

Advocacy, Education, Research


Mortality After Hip and Knee Replacements Halved in UK

London online blog OnMedica published statistics from the National Joint Registry of England, Wales and Northern Ireland that show mortality rates have halved in the UK. Louise Newson reports that “90 day mortality rates after hip replacement fell from 0.56% in 2003 to 0.29% in 2011 and that 45 day mortality rates after knee replacement fell from 0.37%… Read More

AAHKS Funds Infection Research

In response to a request by the Orthopaedic Research and Education Foundation (OREF), the AAHKS Board approved a contribution of $160,000 to fund research into periprosthetic joint infection (PJI). PJI was identified as a research priority by OREF with input from many stakeholders, as they developed a broad-based agenda in hip and knee arthroplasty. It is a serious… Read More

Study Examines Evidence to Support Use of New Hip and Knee Implants

A review of the literature regarding several new and widely used hip and knee implants published in the latest BMJ suggests that there is limited evidence to support claims of clinically relevant improved benefits as compared to older, more established implants. “We did not find convincing high quality evidence supporting the use of five substantial, well known, and… Read More

AAHKS Response to TKR Study

“Using a Validated Algorithm to Judge the Appropriateness of Total Knee Arthroplasty in the United States: A Multi-Center Longitudinal Cohort Study (Riddle, et al)” recently published in Arthritis & Rheumatology about total knee replacement has lead to some news articles questioning the appropriateness of TKR. One of the study’s authors, AAHKS Second Vice President, Bill Jiranek, MD, worked with… Read More

GAO Finds No Over-Utilization by PT Self-Referrers

The Government Accountability Office (GAO) released a report on physical therapy utilization as part of a series reports examining the effect of the in-office ancillary services (IAOS) exception to the Stark Laws that generally prohibit self-referral. The report examined the utilization of services for physical therapy by physicians who employed physical therapists in their practice (“self-referrers”). The report… Read More

Study Shows Physical Therapy Does Not Improve Hip OA Pain

Among adults with painful hip osteoarthritis, physical therapy did not result in greater improvement in pain or function compared with a placebo treatment, but was associated with relatively frequent but mild adverse effects, raising questions about its value for these patients, according to a study (Kim L. Bennell, Ph.D. et al) in the May 21st issue of JAMA.