Knee Arthroplasty News and Research

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Knee arthroplasty or knee replacement surgery has developed to its present advanced stage over the last few decades. This is mainly due to technical advances and better understanding of knee pathophysiology and functions.

Study shows universal health insurance may mitigate surgical disparities for African Americans

A new study from Brigham and Women's Hospital utilized claims data from more than 630,000 patients living in the state of California and found no significant differences in post-operative complications or mortality between African American patients and White patients who were treated in a universally insured military health system.

9 Aug 2016

Study finds racial, ethnic disparities in utilization rate and health outcomes after TKR surgery

Minority populations have lower rates of total knee replacement (TKR) utilization but higher rates of adverse health outcomes associated with the procedure, according to a new study appearing in today's issue of the Journal of Bone and Joint Surgery.

4 Aug 2016

ACB could lead to quicker, safer recovery after total knee arthroplasty

Two commonly used nerve blocks during total knee arthroplasty (TKA) are the adductor canal block (ACB) and femoral nerve block (FNB). ACB appears to preserve quadriceps strength superior to FNB while maintaining adequate postoperative pain control. Improving early functional outcome could lead to a quicker and safer recovery with earlier hospital discharges.

26 Mar 2016

Increased use of PNBs in hip and knee arthroplasty could improve medical outcomes

The use of peripheral nerve blocks (PNBs) is associated with better medical and economic outcomes in patients receiving hip and knee replacement, according to research being presented at the 41st Annual Regional Anesthesiology and Acute Pain Medicine Meeting later this month.

24 Mar 2016

HSS study examines cost-effectiveness of knee replacement surgery in high- and low-volume hospitals

If all patients scheduled for knee replacement were directed to high-volume hospitals for the surgery, it could save the U.S. healthcare system between $2.5 and $4 billion annually by the year 2030, according to a study at Hospital for Special Surgery in New York City.

4 Mar 2016

Preoperative hip and knee injections may increase risk for infection

Injections received in the months prior to total knee (TKR) or total hip replacement (THR) surgery may increase the risk for infection and related complications, according to two studies--among the largest conducted on this topic--presented at the 2016 Annual Meeting of the American Academy of Orthopaedic Surgeons.

3 Mar 2016

New study compares outcomes from two postoperative pain control methods in knee replacement patients

A new study published today in The Journal of the American Osteopathic Association compared outcomes from two types of postoperative pain control methods in a group of patients who had both of their knees replaced.

1 Dec 2015

Amedica launches innovative articulating inserter for minimally invasive TLIF procedures

Amedica Corporation (Nasdaq:AMDA), a company that develops and commercializes silicon nitride ceramics as a biomaterial platform, is pleased to announce the release of its Scorpion™ articulating inserter to accompany the Valeo II™ TL interbody fusion device system. The Scorpion inserter will be commercially available mid-November 2015, and will aide in minimally-invasive transforaminal lumbar interbody fusion surgeries.

15 Oct 2015

TXA drug reduces blood transfusion, saves costs

Using an inexpensive drug for every hip or knee replacement since 2013 has helped St. Michael's Hospital reduce its number of red blood cell transfusions performed during these surgeries by more than 40 per cent without negatively affecting patients, according to new research.

4 Sep 2015

Costs for spinal fusion vary substantially by region, shows new research

Costs for spinal fusion vary substantially by region, with costs being lowest in the Midwest and highest in the Northeast, according to the new research by Dr. W. Ryan Spiker and colleagues of University of Utah, Salt Lake City.

2 Sep 2015

Total knee replacements can effectively treat degeneration caused by bone deformity

A first-of-its kind study has found that total knee replacements can effectively treat degeneration caused by a bone deformity called Blount disease.

11 Aug 2015

Additional coaching education and practice contact restrictions can help lower football injuries

Teaching coaches about injury prevention and contact restrictions pays off, say researchers who tracked injury rates among youth football players during the 2014 season.

20 Jul 2015

First FDA-approved modular system for infected total joints

OsteoRemedies®, LLC, Memphis, TN, offers the first FDA-approved modular system for two-stage revision of infected hip and knee arthroplasty.

26 Apr 2015

Bariatric surgery prior to joint replacement improves outcomes in obese patients

Obesity is not only a risk factor for developing knee and hip arthritis. It is also linked to less favorable outcomes after joint replacement surgery.

30 Mar 2015

Data demonstrates benefits associated with use of EXPAREL in hip, knee replacement patients

Pacira Pharmaceuticals, Inc. today announced data demonstrating the benefits associated with the use of EXPAREL (bupivacaine liposome injectable suspension) in a study of over 2,200 hip and knee replacement patients.

27 Mar 2015

OrthoSensor raises $19 million in Series C Preferred Stock financing

OrthoSensor, Inc., the leader in Sensor-Assisted Surgery, announced today that it has raised $19 million in a private placement of Series C Preferred Stock. Bridger Healthcare, Ltd. and The Tullis Growth Fund, L.P. participated in the round. The proceeds will be used to drive the commercialization of VERASENSE, OrthoSensor's leading product, and expand product development activities.

23 Mar 2015

Amedica Submits 510(k) Application to FDA for Composite Spinal Interbody Spacers with Porous Silicon Nitride Center

Amedica announced today that it has filed a submission for 510(k) clearance of the Valeo C Interbody with CsC Osteo-Conductive Scaffolding (“Valeo CCsC”) with the U.S. Food and Drug Administration (“FDA”) relating to its composite silicon nitride spinal interbody devices.

13 Feb 2015

Readmissions after surgery associated with new postdischarge complications, shows study

In a study that included readmission information from nearly 350 hospitals, readmissions the first 30 days after surgery were associated with new postdischarge complications related to the surgical procedure and not a worsening of any medical conditions the patient already had while hospitalized for surgery, according to a study in the February 3 issue of JAMA.

9 Feb 2015

New data shows EXPAREL provides effective pain control following total knee arthroplasty

Pacira Pharmaceuticals, Inc. today announced results of an independent, physician-initiated study designed to evaluate the difference in postsurgical pain and opioid consumption between patients who received EXPAREL versus a multi-drug analgesic cocktail for pain management following total knee arthroplasty (TKA).

10 Nov 2014

Modified classification system finds over one-third of knee replacements as inappropriate

New research reports that more than one third of total knee replacements in the U.S. were classified as "inappropriate" using a patient classification system developed and validated in Spain. The study, published in Arthritis & Rheumatology, a journal of the American College of Rheumatology (ACR), highlights the need for consensus on patient selection criteria among U.S. medical professionals treating those with the potential need of knee replacement surgery.

30 Jun 2014