Clinical Orthopaedics and Related Research ®

A Publication of The Association of Bone and Joint Surgeons ®

Knee 450 articles


When Can I Drive?: Brake Response Times After Contemporary Total Knee Arthroplasty

David F. Dalury MD, Kimberly K. Tucker MD, Todd C. Kelley MD

After right total knee arthroplasty (TKA), patients are usually eager to return to driving. Previous studies suggest 6 weeks postsurgery is a safe time. However, recent advances in surgical technique, pain management, and rehabilitation have theoretically improved recovery after TKA.

A Second Decade Lifetable Survival Analysis of the Oxford Unicompartmental Knee Arthroplasty

Andrew J. Price DPhil FRCS(Orth), Ulf Svard MD

The role of unicompartmental arthroplasty in managing osteoarthritis of the knee remains controversial. The Oxford medial unicompartmental arthroplasty employs a fully congruent mobile bearing intended to reduce wear and increase the lifespan of the implant. Long-term second decade results are required to establish if the design aim can be met.

The Repicci II® Unicondylar Knee Arthroplasty: 9-year Survivorship and Function

Turlough O’Donnell MB, BCh, FRCSI, FRCS (Orth and Trauma), Michael J. Neil MB, BS, FRACS (Orth), FRCSEd (Orth), FAOrthA

Unicompartmental knee arthroplasty (UKA) is a recognized procedure for treatment of medial compartment osteoarthritis. UKA using minimally invasive surgery (MIS) has the theoretical advantage of less bone resection and quicker rehabilitation. Whether the function of patients with UKA compares with that of patients with conventional TKA is unclear.

Ethnic and Gender Differences in the Functional Disparities after Primary Total Knee Arthroplasty

Atul F. Kamath MD, John G. Horneff MD, Vandy Gaffney BA, Craig L. Israelite MD, Charles L. Nelson MD

The benefits of TKA have been well documented. Whether these benefits apply equally across gender and ethnic groups is unclear. Given the underuse of TKA among certain demographic groups, it is important to understand whether gender or ethnicity influence pain and function after TKA.

Increased Chondrocyte Death after Steroid and Local Anesthetic Combination

Boglárka Farkas MD, Krisztián Kvell MD, PhD, Tamás Czömpöly MD, PhD, Tamás Illés MD, PhD, Tamás Bárdos MD, PhD

Hyaline articular cartilage has limited repair and regeneration capacity. Intraarticular administration of glucocorticoid and local anesthetic injections play an important role in the therapy of osteoarthritis. Glucocorticoids and anesthetics reportedly enhance apoptosis in chondrocytes, but effects of the combined use of glucocorticoids and local anesthetics are unknown.

Minimizing Electromagnetic Interference from Surgical Instruments on Electromagnetic Surgical Navigation

Faustin Stevens BS, Michael A. Conditt PhD, Nikhil Kulkarni MS, Sabir K. Ismaily BS, Philip C. Noble PhD, David R. Lionberger MD

Electromagnetic computer-assisted surgery (EM-CAS) can be affected by various metallic or ferromagnetic factors.

Cruciate-retaining TKA Using a Third-generation System with a Four-pegged Tibial Component: A Minimum 10-year Followup Note

Adam J. Schwartz MD, Craig J. Della Valle MD, Aaron G. Rosenberg MD, Joshua J. Jacobs MD, Richard A. Berger MD, Jorge O. Galante MD

A third-generation TKA system was designed to address problems encountered with earlier designs including a high rate of patellofemoral complications. At a minimum of 5 years, we previously reported survivorship of 98.7% using revision for any reason as the endpoint for a cohort that includes the patients described in this report. That cohort was unique in that a tibial component that uses four short pegs for fixation was used in a subset of patients undergoing cruciate-retaining TKA and the tibial and femoral components were precoated with polymethylmethacrylate.

How Does Osteonecrosis About the Knee Progress in Young Patients with Leukemia?: A 2- to 7-year Study

E. J. Karimova MD, A. Wozniak MS, J. Wu PhD, M. D. Neel MD, S. C. Kaste DO

Osteonecrosis is a major treatment complication of pediatric leukemias owing to its potential to cause joint deterioration. Because of potential long-term effects of osteonecrosis on joints, information regarding its progression and collapse in different patients can be used to identify high-risk groups, advise the patients and parents of this complication, and potentially consider the risk for development of osteonecrosis in planning primary treatment.

Osteolysis in Well-functioning Fixed- and Mobile-bearing TKAs in Younger Patients

Young-Hoo Kim MD, Yoowang Choi MD, Jun-Shik Kim MD

Periprosthetic osteolysis is an increasingly prevalent complication of TKA. To reduce the polyethylene wear and periprosthetic osteolysis, particularly in young patients, the design of the contemporary fixed-bearing TKAs has been modified and mobile-bearing TKAs have been introduced.

Rotational References for Total Knee Arthroplasty Tibial Components Change with Level of Resection

Bradley P. Graw MD, Alexander H. Harris PhD, Krishna R. Tripuraneni MD, Nicholas J. Giori MD, PhD

Various landmarks can guide tibial component rotational alignment in routine TKA, but with the deeper tibial resection levels common in complex primary and revision TKAs, it is unknown whether these landmarks remain reliable.