Clinical Orthopaedics and Related Research ®

A Publication of The Association of Bone and Joint Surgeons ®

Knee 433 articles

Articles

Injury Risk to Extraosseous Knee Vasculature During Osteotomies: A Cadaveric Study With CT and Dissection Analysis

Salvatore Bisicchia MD, Federica Rosso MD, Marc A. Pizzimenti PhD, Chamnanni Rungprai MD, Jessica E. Goetz PhD, Annunziato Amendola MD

Realignment osteotomies about the knee may be performed as distal femoral or proximal tibial osteotomies; both may be performed either on the medial or lateral sides of the knee, in closing- or opening-wedge fashion. Although rare, injury to neurovascular structures may occur, and the proximity of the vascular structures to the osteotomy saw cuts has been incompletely characterized.

Abnormal Quantitative Sensory Testing is Associated With Persistent Pain One Year After TKA

Anthony Wright PhD, Penny Moss PhD, Karen Sloan MSc, Richard J. Beaver FRACS, Jarle B. Pedersen MClinPhysio, Gerard Vehof MClinPhysio, Henrik Borge MClinPhysio, Luca Maestroni MClinPhysio, Philip Cheong MManipTher

Up to 15% of patients report at least moderate persistent pain after TKA. Such pain may be associated with the presence of widespread hyperalgesia and neuropathic-type pain.

Validation of Porcine Knee as a Sex-specific Model to Study Human Anterior Cruciate Ligament Disorders

Ata M. Kiapour PhD, Matthew R. Shalvoy BS, Martha M. Murray MD, Braden C. Fleming PhD

Animal models have long been considered an important modality for studying ACL injuries. However, to our knowledge, the value of these preclinical models to study sex-related phenomena associated with ACL injury and recovery has not been evaluated.

Patients With Knee Osteoarthritis Have a Phenotype With Higher Bone Mass, Higher Fat Mass, and Lower Lean Body Mass

Magnus K. Karlsson MD, PhD, Håkan Magnusson MD, PhD, Maria Cöster MD, Caroline Karlsson MD, PhD, Björn E. Rosengren MD, PhD

Although knee osteoarthritis (OA) is common, its etiology is poorly understood. Specifically, it is not known whether knee OA is associated with abnormal anthropometric and musculoskeletal characteristics known to be associated with OA in general. We recently studied this topic for patients with hip arthritis; however, it is important to evaluate it for knee OA separately, because there are reports indicating that patients with primary OA in different joints may have a different phenotype.

Do Laterally Wedged Insoles or Valgus Braces Unload the Medial Compartment of the Knee in Patients With Osteoarthritis?

Tijs Duivenvoorden MD, Tom M. Raaij MD, PhD, Herwin L. D. Horemans PhD, Reinoud W. Brouwer MD, PhD, P. Koen Bos MD, PhD, Sita M. A. Bierma-Zeinstra PhD, Jan A. N. Verhaar MD, PhD, Max Reijman PhD

The results of conservative treatment of knee osteoarthritis (OA) are generally evaluated in epidemiological studies with clinical outcome measures as primary outcomes. Biomechanical evaluation of orthoses shows that there are potentially beneficial biomechanical changes to joint loading; however, evaluation in relation to clinical outcome measures in longitudinal studies is needed.

Does Sequence of Graft Tensioning Affect Outcomes in Combined Anterior and Posterior Cruciate Ligament Reconstructions?

Sung-Jae Kim MD, PhD, Sung-Hwan Kim MD, Min Jung MD, Jong-Min Kim MD, Se-Won Lee MD

Controversy persists regarding the protocol for tensioning and securing the grafts in one-stage reconstruction of combined anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) injuries. Many authors have reported stability examinations and functional results after reconstruction for this relatively rare injury, and the best sequence for tensioning the grafts is not known.

A New Method for Calculating Femoral Anterior Cortex Point Location and Its Effect on Component Sizing and Placement

Mohamed R. Mahfouz PhD, Emam ElHak Abdel Fatah PhD, Lyndsay Bowers MSc, Giles Scuderi MD

Variation in anterior femoral cortex morphology can cause improper component placement and alignment. When surgical inaccuracies occur, the mechanical properties of the distal femur may be altered, which could result in lower surgical success rates and an increased chance of postoperative complications.

Comorbidities in Patients Undergoing Total Knee Arthroplasty: Do They Influence Hospital Costs and Length of Stay?

Andrew J. Pugely MD, Christopher T. Martin MD, Yubo Gao PhD, Daniel A. Belatti BS, John J. Callaghan MD

Increasing national expenditures and use associated with TKA have resulted in pressure to reduce costs through various reimbursement cuts. However, within the arthroplasty literature, few studies have examined the association of medical comorbidities on resource use and length of stay after joint arthroplasty.

Collateral Ligament Laxity in Knees: What Is Normal?

Kamal Deep MBBS, MS, DNB, FRCS, MCh Orth, FRCS(Orth)

Proper alignment and balancing of soft tissues of the knee are important goals for TKA. Despite standardized techniques, there is no consensus regarding the optimum amount of collateral ligament laxity one should leave at the end of the TKA.

High Tibial Valgus Osteotomy: Closing, Opening or Combined? Patellar Height as a Determining Factor

Oliver Portner BSc, MDCM, FRCSC

According to the literature, closing and opening wedge high tibial valgus osteotomies can raise or lower the patella, and diffèrent methods of patella height measurement show similarly conflicting results. Clarification of this was thought to be important because there is much literature describing morbidity secondary to patella alta or patella infera (baja). Effects on tibial slope and patellar tendon length are not well delineated and the influence of sex and age is unknown.