Arthroplasty News and Research

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Arthroplasty is a orthopaedic surgery procedure, in which the arthritic or dysfunctional joint surface is replaced with something better or by remodeling or realigning the joint by osteotomy or some other procedure. Previously, a popular form of arthroplasty was interpositional arthroplasty with interposition of some other tissue like skin, muscle or tendon to keep inflammatory surfaces apart or excisional arthroplasty in which the joint surface and bone was removed leaving scar tissue to fill in the gap. Other forms of arthroplasty include resection(al) arthroplasty, resurfacing arthroplasty, mold arthroplasty, cup arthroplasty, silicone replacement arthroplasty, etc. Osteotomy to restore or modify joint congruity is also an arthroplasty.

Researchers find the "true" rate of dislocation following total hip replacement

The cumulative incidence of hip dislocation following total hip replacement is about 50 percent higher than suggested by simple analysis of hospital data, reports a study in The Journal of Bone & Joint Surgery. The journal is published in the Lippincott portfolio in partnership with Wolters Kluwer.

21 Dec 2020

Exactech and Bodycad sign exclusive distribution agreement

Exactech announced today the signing of an exclusive distribution agreement with orthopedic manufacturer Bodycad for its Reflex Uni™ knee in the U.S.

25 Nov 2020

Younger knee replacement patients more often have early reoperation and component revision surgery

Knee replacement surgery, also known as total knee arthroplasty (TKA), is increasing among patients 65 and younger.

28 Oct 2020

Study shows overall rate of preoperative stress testing for hip and knee replacements

A new study out of the University of Chicago Medicine shows the overall rate of preoperative stress testing for hip and knee replacements is and has been decreasing consistently since 2006.

1 Oct 2020

Study reports 'unmet need' for joint replacement surgery after Medicaid expansion

States that have expanded Medicaid eligibility under the Affordable Care Act have seen an "early surge in demand" for hip and knee replacement surgery, reports a study in the September 2, 2020 issue of The Journal of Bone & Joint Surgery.

2 Sep 2020

Hip replacement surgeries at safety net hospitals linked to higher complications, mortality

Total hip arthroplasty (THA) – or hip replacement – is one of the most widely performed surgical procedures in the United States. It is used to manage severe arthritis and can greatly improve quality of life for patients suffering from this debilitating disease.

12 Aug 2020

Study may help optimize materials used in implants, enhance their safety

Using highly complex analytical techniques, a group of researchers from Charité - Universitätsmedizin Berlin were able to observe in detail how different metals are released from joint implants and accumulate in the surrounding bone tissue.

11 Aug 2020

Study shows higher hip replacement operations can yield better results

The higher the proportion of primary hip replacement operations a surgeon performs annually, the better the results are, a thesis at the University of Gothenburg shows.

14 Jul 2020

Pluripotent cells grown from osteoarthritic knee joint of elderly people

A break through feat of growing pluripotency expressing cells from osteoarthritis affected cartilage tissue of knee joints of elderly has been reported by orthopedicians and cell culture experts led by Dr Shojiro Katoh, President, Edogawa Hospital.

22 Jun 2020

Study compares early postoperative pain after first and second total knee arthroplasty

Acute postoperative pain control after Total Knee Arthroplasty is important as the poorly controlled, persistent pain can cause delay in rehabilitation.

18 May 2020

DePuy Synthes receives European CE Mark for new BI-MENTUMTM Dual Mobility System

Johnson & Johnson Medical Devices Companies today announces that DePuy Synthes, a leader in the cementless hip implant market, has obtained the European CE Mark on its new BI-MENTUMTM Dual Mobility System for use in patients with a higher risk of dislocation.

From DePuy Synthes 12 Mar 2020

Virtual PT after knee replacement provides good outcomes with lower costs

A virtual system for in-home physical therapy (PT) provides good outcomes for patients undergoing rehabilitation following total knee arthroplasty (TKA) - with lower costs than traditional in-person PT, reports a study in the January 15, 2020 issue of The Journal of Bone & Joint Surgery.

16 Jan 2020

A study of customized implant for revision hip replacement

A team of scientists from the Advanced Manufacturing Technologies Center of the National Technology Initiative of Peter the Great St.Petersburg Polytechnic University (head -- Prof. A.I. Borovkov, the Vice-rector for Advanced Projects of Peter the Great St. Petersburg Polytechnic University) developed a mathematical model of an "endoprosthesis-skeleton" system.

14 Dec 2019

Study compares unicompartmental knee arthroplasty and total knee arthroplasty

Unicompartmental (or "partial") knee arthroplasty (UKA) is an alternative to total knee arthroplasty (TKA) for some patients with knee osteoarthritis. When UKA fails, conversion to TKA has been thought to be a reliable solution.

25 Nov 2019

Standard methods not adequate to detect prosthetic joint infections in rheumatic disease patients

Standard diagnostic methods are not adequate to identify prosthetic joint infections in patients with rheumatic diseases, according to findings from a new study by researchers from Hospital for Special Surgery in New York City.

12 Nov 2019

EOS imaging to showcase Advanced Orthopedic Solutions at 2019 AAHKS Annual Meeting

EOS imaging (Euronext, FR0011191766 - EOSI - Eligible PEA - PME), a leader in 2D/3D orthopedic medical imaging and software solutions for 3D anatomical modeling and surgical planning, today announced multiple activities to showcase its Advanced Orthopedic Solutions at the American Association of Hip and Knee Surgeons Annual Meeting, being held November 7-10, 2019 in Dallas, Texas.

8 Nov 2019

Study helps surgeons identify the best individual approach to treat broken hips

Robert Zura, MD, Professor and Robert D'Ambrosia Chair of Orthopaedics at LSU Health New Orleans School of Medicine, was part of an international collaborative study group whose findings will help orthopaedic surgeons identify the best individual approach to treat broken hips in those over age 50.

27 Sep 2019

Weight loss before arthroplasty improves some outcomes in patients with morbid obesity

In patients with morbid obesity, losing 20 pounds before knee replacement surgery (arthroplasty) leads to fewer hospital days and other outcome improvements, reports a study in the August 21, 2019 issue of The Journal of Bone & Joint Surgery.

22 Aug 2019

Partial knee replacements are more cost effective and could save the NHS millions

New research from a randomized clinical trial published today in The Lancet and funded by the National Institute for Health Research shows that partial knee replacements (PKR) are as good as total knee replacements (TKR), whilst being more cost effective.

18 Jul 2019

Study: Low-risk hip replacement patients can skip standard hip precautions

Low-risk patients undergoing a total hip replacement with a posterior approach can skip the standard hip precautions currently recommended for post-surgical recovery, according to a new study conducted at Hospital for Special Surgery, in New York City.

13 Mar 2019