Posterior root avulsions of the medial and lateral menisci result in decreased areas of tibiofemoral contact and increased tibiofemoral contact pressures. These avulsions may lead to the development of osteoarthritis. Therefore, two surgical techniques, the transtibial pullout repair and the suture anchor repair, have recently been developed to restore the native structure and function […]
The tibial tubercle–trochlear groove (TTTG) distance is used to quantify the degree of lateralization of the patellar tendon insertion on the tibial tubercle relative to the deepest part of the trochlear groove. Disagreement exists as to whether the TTTG distance measured on computed tomography (CT) and magnetic resonance imaging (MRI) can be considered equivalent.
The […]
It is estimated that 5.8 cases per 100,000 individuals report primary patellar dislocation. Patients between 10 to 17 years of age increase the incidence of patellar dislocation to 29 cases per 100,000 individuals. Recurrent dislocations reportedly occur in 17% of all cases following a primary dislocation event. After a second dislocation, […]
Posterior medial meniscal root tears have been reported to extrude with the meniscus becoming adhered posteromedially along the posterior capsule. While anatomic repair has been reported to restore tibiofemoral contact mechanics, it is unknown whether nonanatomic positioning of a meniscal root repair to a posteromedial location would restore the loading profile of the knee […]
Because of concerns about infections with the use of fresh osteoarticular allografts, osteoarticular allografts are currently stored hypothermically for a minimum of fourteen days to allow for serologic and microbiologic testing prior to implantation. Refrigerated osteoarticular allograft transplants are often used to treat symptomatic chondral and osteochondral defects in […]
Purpose: The purpose of this study was to evaluate the risk of tunnel collisions of the fibular collateral ligament (FCL) and posterolateral bundle anterior cruciate ligament(PLB-ACL) tunnels during a combined FCL and doubledundle (DB) ACL reconstruction.
Methods: Thirty-six 4th-generation synthetic femurs (Sawbones, Pacific Research Laboratories, Vashon, WA) were utilized, and two different femur sizes were […]
Few studies have reported the outcomes of surgical treatment of an acute grade-III posterolateral knee injury. Our purpose was to report the objective stability and subjective outcomes for a prospective series of patients with an acute grade-III posterolateral knee injury treated with anatomic repair and/or reconstruction of all injured […]
The popliteus tendon has important dynamic and static stabilizing functions at the knee. Evaluation of its static role as the ‘‘fifth ligament’’ of the knee and a subsequent analysis of a popliteus tendon reconstruction has not been performed.
The popliteus tendon has important primary stabilization roles at the knee. The authors also […]
Chronic posterolateral knee injuries often result in substantial patient morbidity and functional instability. The clinical stability and functional outcomes following anatomic reconstructions in patients with a chronic posterolateral knee injury have not been determined, to our knowledge.
Ligament restraints to terminal knee extension are poorly understood. This study hypothesized (1) as with other motions of the knee, genu recurvatum is limited primarily by a named, identifiable structure, and (2) as the largest static structure of the posterior knee, the oblique popliteal ligament is uniquely suited to act as a checkrein to knee hyperextension.
The greatest […]
