Knee Arthroplasty

This page contains recent news articles, when available, and an overview of Knee Arthroplasty but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.

Background information on Knee Arthroplasty

Replacement with prosthesis
News Articles on Knee Arthroplasty



Limb lengthening common after total knee arthroplasty, study finds  -  Apr 2, 2008
Ortho SuperSite,SAN FRANCISCO — Patients typically experience an increase in limb length after undergoing total knee arthroplasty, according to a study presented here.

Anticoagulants May Increase Mortality After Hip and Knee Surgery  -  Apr 2, 2008
Therapeutics Daily (subscription) (press release),NEW YORK (Reuters Health) - A review of studies looking at anticoagulant prophylaxis after hip and knee arthroplasty reveals that not only do these agents

Systemic review finds that potent anticoagulants increase the risk ...  -  Apr 1, 2008
Ortho SuperSite,Using potent anticoagulants such as low-molecular-weight heparin to prevent pulmonary embolism in total hip or knee arthroplasty patients, as recommended by

Gender Bias May Affect Care Of People With Osteoarthritis, Study Finds  -  Mar 10, 2008
Science Daily (press release)Overall, 67% of physicians recommended total knee arthroplasty to the male patient compared with 33% who recommended it to the female patient.

More quality of care issues cited at Marion VA  -  Mar 28, 2008
The Southern,In the first complaint, the wife of a veteran in his 50s alleged a surgeon in February 2007 performed total knee arthroplasty on her husband - a patient

Surgeon cites advantages of biologic unicompartmental knee replacement  -  Mar 19, 2008
Ortho SuperSite,...some researchers are highlighting the potential of biologic unicompartmental knee arthroplasty for patients with bipolar lesions.

Study: Doctors May Be More Likely to Recommend Total Knee ...  -  Mar 10, 2008
WebMD..."A male patient was twice as likely as a female patient to receive a recommendation for total knee arthroplasty," write the researchers, who included

AAOS: Aspirin Prevents VTE in Real World Use After Knee Surgery  -  Mar 6, 2008
MedPage Today,Although prophylaxis reduces the rate of VTE after total knee arthroplasty from at least 40% down to less than 15%, there has been disagreement over which

Knee surgery study points to gender bias  -  Mar 10, 2008
CBC News,The study said such a bias can result from years of experience telling doctors that women don't receive the same benefit from total knee arthroplasty as men

TKA performed with porous tantalum tibial component shows good 5 ...  -  Mar 31, 2008
Ortho SuperSite,SAN FRANCISCO — Total knee arthroplasty performed using a cemented monoblock porous tantalum tibial component shows high survivorship and radiographic

AAOS: MRI Overused in Knee Replacement Surgery  -  Mar 6, 2008
MedPage Today,He and colleagues reviewed charts and interviewed a random sample of 50 patients who underwent primary total knee arthroplasty for osteoarthritis by a

AAOS: Gender-Specific Joint Replacement More Hype than Help  -  Mar 10, 2008
MedPage Today,Standard hip and knee arthroplasty implants provided the same benefit for women as for men, according to two large prospective studies presented at the

Are Blood Thinners Post-op Killers?  -  Apr 1, 2008
Science Daily (press release)Potent anticoagulants are associated with a higher all-cause mortality rate after hip and knee arthroplasty. Clin Orthop Relat Res; 466:714-721 (DOI

Bacterial Growth on Articulating Spacers: An In Vitro Study  -  Mar 10, 2008
Ortho SuperSite,The standard of care for treating late infection in total knee arthroplasty (TKA) is a staged revision. Two-stage treatment of infected TKA has been shown

Wachovia Starts MAKO Surgical (MAKO) at Market Perform  -  Mar 26, 2008
StreetInsider.com (subscription),Wachovia sees MAKO targeting about 8% of the US market for unicompartmental knee arthroplasty, or about 46000 replacements over 2008.

Accurate knee alignment measurements seen with computer-assisted ...  -  Mar 27, 2008
Ortho SuperSite,Ensuring measurements are accurate is critical to successful total knee arthroplasty (TKA) outcomes and minimizing component wear, he noted.

MIS TKA associated with increased early revision, surgeon reports  -  Mar 6, 2008
Ortho SuperSite,SAN FRANCISCO — Despite the promise of smaller incisions, minimally invasive total knee arthroplasty procedures may result in a higher number of revisions

AAOS: Diabetes Complicates Recovery After Joint Replacement or ...  -  Mar 10, 2008
MedPage Today,By Crystal Phend, Staff Writer, MedPage Today SAN FRANCISCO, March 10 -- Diabetes may signal a rocky recovery from hip and knee arthroplasty by increasing

Golf puts high stress on replacement knees  -  Mar 6, 2008
Reuters UK,...are based on a study of four patients who had total knee arthroplasty using artificial joints capable of measuring knee forces.

Golf Swing Is Rough On New Knees  -  Mar 7, 2008
CBS News,In a small study, four patients who had total knee arthroplasty (TKA), or total knee replacement, were studied to measure how the replaced knees held up

AAOS: Hitting the Links Hits Back on the Knee After Surgery  -  Mar 7, 2008
MedPage Today,High-impact activities after total knee arthroplasty can increase long-term wear and damage to the prosthesis, but exercise to strengthen the leg muscles

MRI Not Required for Knee Osteoarthritis, Study Suggests ...  -  Mar 7, 2008
DG NewsBy Roberta Friedman, PhD SAN FRANCISCO -- March 7, 2008 -- A random sample of patients who had total knee arthroplasty suggests magnetic resonance imaging

Aspirin Safe for Emboli Prevention After Knee Replacement in ...  -  Mar 7, 2008
DG NewsDr. Bozic called aspirin use a part of a "multimodal care package that lowers risk of venous thromboembolism following total knee arthroplasty.

Gender-Neutral Implants Should Suffice for Total Knee Replacement ...  -  Mar 7, 2008
DG NewsMD, Staff Orthopaedic Surgeon, Kaiser Permanente, Fresno, California, presented data from 20718 primary total knee arthroplasty procedures showing that

Hitting the Links May Stress Out New Knees  -  Mar 6, 2008
Earthtimes,Clifford W. Colwell Jr., MD, implanted four total knee arthroplasty (TKA) patients with joints equipped to measure forces from inside the implant.

Porous tantalum cones show short-term efficacy in large tibial ...  -  Mar 8, 2008
Ortho SuperSite,...graft for reconstructing large tibial defects during revision total knee arthroplasty, according to short-term results of a small study presented here.

An Unusual Cause of Late Pain and Effusion After Total Knee ...  -  Feb 1, 2008
Journal of Bone and Joint Surgery (subscription)The common causes of pain and effusion after total knee arthroplasty are infection, instability, loosening, and patellofemoral problems.

Unicompartmental Knee Arthroplasty: A Controversial History and a ...  -  Feb 1, 2008
Ortho SuperSite,Treatment of isolated compartment osteoarthritis with unicompartmental knee arthroplasty (UKA) has had mixed reported results and still remains a

One-stage Bilateral Total Joint Arthroplasty: A Prospective ...  -  Jan 31, 2008
Ortho SuperSite,The potential medical risk to patients of performing simultaneous bilateral total hip arthroplasty (THA) or total knee arthroplasty (THA) under one

The Clinical Value of Histologic Examination in Shoulder Arthroscopy  -  Feb 1, 2008
Journal of Bone and Joint Surgery (subscription)Previous orthopaedic studies have examined the clinical value of these examinations in total hip and knee arthroplasty, lumbar discectomy, knee arthroscopy,

Periarticular injections are the best for the pain relief  -  Feb 4, 2008
Ortho SuperSite,I think there is overwhelming evidence for regional anesthesia for both hip and knee arthroplasty. There is a lower mortality rate and there are significant

Study finds improved component alignment from minimally invasive ...  -  Jan 21, 2008
Ortho SuperSite,Using computer-assisted navigation during minimally invasive total knee arthroplasty appears to improve postoperative radiographic prosthesis alignment

Peripheral nerve blocks: An added value to TJA  -  Feb 4, 2008
Ortho SuperSite,...for surgeons is that we get thankful patients who progress faster through all phases of recovery after their total hip or total knee arthroplasty.

Knee Replacement Options Expanding  -  Jan 16, 2008
Market Wire (press release)Partial knee replacements, also known as unicompartmental knee arthroplasty, are used to ease the pain and discomfort that accompany arthritis in the knee

Ensuring Appropriate Timing of Antimicrobial Prophylaxis  -  Feb 1, 2008
Journal of Bone and Joint Surgery (subscription)During a seven-week period, all patients undergoing spine surgery, total hip arthroplasty, or total knee arthroplasty had another safety initiative,

Orthopedist cites advantages of custom-fit TKA with guides  -  Jan 16, 2008
Ortho SuperSite,LAHAINA, Hawaii — Performing total knee arthroplasty using custom-fit femoral and tibial cutting guides can be effective for restoring natural alignment and

Two-stage revision of infected TKA stands test of time at an ...  -  Jan 22, 2008
Ortho SuperSite,At a minimum of 2 years, investigators followed 47 patients (47 knees) with an infected total knee arthroplasty (TKA) after one- or two-stage revision and

Modified subvastus TKA approach offers smaller incisions, quicker ...  -  Feb 4, 2008
Ortho SuperSite,By Peter M. Bonutti, MD Our experience with minimally invasive total knee arthroplasty began in 1999. We have used numerous approaches and have evolved to

Shoulder replacements are an evolving technology  -  Feb 4, 2008
Ortho SuperSite,In the beginning, as in hip and knee arthroplasty, I wanted to do total replacement. It seemed obvious to do a total shoulder replacement.

QEII Foundation Welcomes BMO Arthroplasty Gift  -  Jan 24, 2008
Canada NewsWire (press release),...will further help establish Dalhousie University and the QEII as world leaders in the outcomes of hip and knee arthroplasty," said Constance Glube.

Patella Alta: Association with Patellofemoral Alignment and ...  -  Feb 1, 2008
Journal of Bone and Joint Surgery (subscription)Interobserver variation in the measurement of patellar height after total knee arthroplasty. J Bone Joint Surg Br. 2006;88:484-8.[CrossRef][Medline] Ward SR

Patella Alta: Association with Patellofemoral Alignment and ...  -  Feb 1, 2008
Journal of Bone and Joint Surgery (subscription)Interobserver variation in the measurement of patellar height after total knee arthroplasty. J Bone Joint Surg Br. 2006;88:484-8.

Functional Outcome of Meniscal-Bearing Total Ankle Replacement  -  Jan 17, 2008
Journal of the American Podiatric Medical Association (subscription)...[Abstract/Free Full Text] TSAO A, MINTZ L, MCRAE CR, ET AL: Failure of the porous- coated anatomic prosthesis in total knee arthroplasty due to severe

Reducing Metal Debris Generation During Total Knee Arthroplasty  -  Dec 14, 2007
Ortho SuperSite,Metal debris has been implicated as a possible cause of loosening in total knee arthroplasty (TKA). 1-4 Stainless steel particles, inferred to be wear

Mobile-bearing unicompartmental knee arthroplasty may improve ...  -  Dec 5, 2007
Ortho SuperSite,He noted that the reported rate of potential unicompartmental knee arthroplasty (UKA) candidates range from 10% to 50%. “We looked at all of our total knee

Biomechanical Effects of Kneeling After Total Knee Arthroplasty  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Background: Kneeling following total knee arthroplasty can be a difficult task, impairing the activities of patients to varying degrees.

Use of Structural Allograft in Revision Total Knee Arthroplasty in ...  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Background: Tibial bone loss is frequently encountered at the time of revision total knee arthroplasty, and the outcome of the revision often depends on the

Multimodal Thromboprophylaxis for Total Hip and Knee Arthroplasty ...  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Lawrence D. Dorr, MD 1 , Vlad Gendelman, MD 1 , Aditya V. Maheshwari, MD 1 , Myriam Boutary, BS 1 , Zhinian Wan, MD 1 and William T. Long,

Need New Knees? Now May Be The Time  -  Nov 29, 2007
ReutersHowever, in the knee arthroplasty candidates, the women scored worse than the men in all areas, and the differences were more pronounced than in the

Neuropathy in Diabetic Patients After TKA  -  Dec 14, 2007
Ortho SuperSite,Postoperative neuropathy also is a well-known complication after total knee arthroplasty (TKA). Neuropathy commonly involves the distribution of the

Index to Web Commentaries for 2007  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)...(2007;89:1442-8) Richard Laskin, MD, on "Factors Associated with Prolonged Wound Drainage After Primary Total Hip and Knee Arthroplasty" by Patel et al.

Mortality After Periprosthetic Fracture of the Femur  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Low complication rate of LISS for femur fractures adjacent to stable hip or knee arthroplasty. Clin Orthop Relat Res. 2006;450:203-10.

Zimmer receives FDA approval to market new mobile bearing knee ...  -  Dec 12, 2007
Ortho SuperSite,The NexGen LPS-Flex Mobile Knee prosthesis can be used in minimally invasive total knee arthroplasty (TKA) procedures and is compatible with the company's

Orthopaedist Builds Practice In His Hometown Of Garden City, NY  -  Dec 17, 2007
Medical News Today (press release),...including, "Sports Medicine: Principle of Primary Care," "MIS of the Hip and Knee" and "Surgical Techniques in Total Knee Arthroplasty.

Electromagnetic navigation: TKA tool for accurate bone cuts, soft ...  -  Dec 5, 2007
Ortho SuperSite,By Susan M. Rapp Results of total knee arthroplasty performed using electromagnetic navigation systems have begun to show this technology’s potential as an

Revision Total Hip Arthroplasty in Octogenarians  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Kurtz S, Mowat F, Ong K, Chan N, Lau E, Halpern M. Prevalence of primary and revision total hip and knee arthroplasty in the United States from 1990 through

Mechanical Stability of Total Hip Replacement Using Pressurization ...  -  Dec 14, 2007
Ortho SuperSite,Pulmonary fat embolism after total hip and knee arthroplasty. Orthopedics . 2003; 26:523-527. Drs Apostolou, Yiannakopoulos, Ioannidis, Papagelopoulos,

Peter J. Stern, MD 1  -  Dec 3, 2007
Journal of Bone and Joint Surgery (subscription)Hip and knee arthroplasty, fracture fixation, and even drainage of an abscess rapidly restore function and relieve pain. On the other hand, when surgery is

A press-fit condylar TKA device shows good survival at 15 years ...  -  Dec 11, 2007
Ortho SuperSite,Implanting a press-fit condylar prosthesis during primary total knee arthroplasty shows good long-term survivorship, regardless of whether cemented or

Opioid and Nonopioid Therapies for the Management of Pain  -  Dec 16, 2007
Abkhazia,Fifty patients who underwent total knee arthroplasty were randomized to receive a single administration of 60 mL of 4975 or placebo along with concomitant



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