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https://www.readbyqxmd.com/read/28426251/current-concepts-of-the-anterolateral-ligament-of-the-knee-anatomy-biomechanics-and-reconstruction
#1
Matthew J Kraeutler, K Linnea Welton, Jorge Chahla, Robert F LaPrade, Eric C McCarty
In 1879, Paul Segond described an avulsion fracture (now known as a Segond fracture) at the anterolateral proximal tibia with the presence of a fibrous band at the location of this fracture. Although references to this ligament were occasionally made in the anatomy literature after Segond's discovery, it was not until 2012 that Vincent et al named this ligament what we know it as today, the anterolateral ligament (ALL) of the knee. The ALL originates near the lateral epicondyle of the distal femur and inserts on the proximal tibia near Gerdy's tubercle...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419808/outcomes-after-1-stage-versus-2-stage-revision-anterior-cruciate-ligament-reconstruction
#2
Justin J Mitchell, Jorge Chahla, Chase S Dean, Mark Cinque, Lauren M Matheny, Robert F LaPrade
BACKGROUND: Revision anterior cruciate ligament reconstruction (ACLR) is becoming increasingly common as the number of primary ACLR cases continues to rise. Despite this, there are limited data on the outcomes of revision ACLR and even less information specifically addressing the differences in 1-stage revision reconstruction versus those performed in a 2-stage fashion after primary reconstruction. PURPOSE: To compare the outcomes, patient satisfaction, and failure rates of 1-stage versus 2-stage revision ACLR...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28413842/-i-do-not-have-time-is-there-a-handout-i-can-use-combining-physicians-needs-and-behavior-change-theory-to-put-physical-activity-evidence-into-practice
#3
R E Clark, C McArthur, A Papaioannou, A M Cheung, J Laprade, L Lee, R Jain, L M Giangregorio
Guidelines for physical activity exist and following them would improve health. Physicians can advise patients on physical activity. We found barriers related to physicians' knowledge, a lack of tools and of physician incentives, and competing demands for limited time with a patient. We discuss interventions that could reduce these barriers. INTRODUCTION: Uptake of physical activity (PA) guidelines would improve health and reduce mortality in older adults. However, physicians face barriers in guideline implementation, particularly when faced with needing to tailor recommendations in the presence of chronic disease...
April 17, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28394348/corrigendum-anatomical-characteristics-and-biomechanical-properties-of-the-oblique-popliteal-ligament
#4
Xiang-Dong Wu, Jin-Hui Yu, Tao Zou, Wei Wang, Robert F LaPrade, Wei Huang, Shan-Quan Sun
No abstract text is available yet for this article.
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28392136/analysis-of-cell-therapies-used-in-clinical-trials-for-the-treatment-of-osteonecrosis-of-the-femoral-head-a-systematic-review-of-the-literature
#5
REVIEW
Nicolas S Piuzzi, Jorge Chahla, Hao Jiandong, Morad Chughtai, Robert F LaPrade, Michael A Mont, George F Muschler, Cecilia Pascual-Garrido
BACKGROUND: Osteonecrosis of the femoral head (ONFH) is associated with regional loss of cells within bone, often resulting in pain and mechanical collapse. Our purpose was to analyze the cell-therapies used in clinical trials for the treatment of ONFH with regard to (1) cell-sources, (2) collection techniques, (3) cell-processing, (4) qualitative and quantitative characterizations, and (5) delivery methods. METHODS: A systematic review of the current literature on the use of cell therapies for the treatment of ONFH was performed...
March 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28372704/editorial-commentary-is-it-the-osteotomy-that-is-causing-the-development-of-patellofemoral-osteoarthritis-or-is-it-the-normal-progression-of-preexisting-osteoarthritis
#6
EDITORIAL
Robert F LaPrade
Opening wedge proximal tibial osteotomy may negatively affect the International Cartilage Research Society grade of the patellofemoral joint articular cartilage at short-term follow-up, but more study is required on this possible relation.
April 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28371596/biomechanical-assessment-of-hip-capsular-repair-and-reconstruction-procedures-using-a-6-degrees-of-freedom-robotic-system
#7
Marc J Philippon, Christiano A C Trindade, Mary T Goldsmith, Matthew T Rasmussen, Adriana J Saroki, Sverre Løken, Robert F LaPrade
BACKGROUND: Although acetabular labral repair has been biomechanically validated to improve stability, capsular management of the hip remains a topic of growing interest and controversy. PURPOSE: To biomechanically evaluate the effects of several arthroscopically relevant conditions of the capsule through a robotic, sequential sectioning study. STUDY DESIGN: Controlled laboratory study. METHODS: Ten human cadaveric unilateral hip specimens (mean age, 51...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28355672/ligamentous-reconstruction-of-the-knee-what-orthopaedic-surgeons-want-radiologists-to-know
#8
Andrew G Geeslin, Matthew G Geeslin, Robert F LaPrade
Knee ligament injuries are common, and treatment methods are continually evolving. Accurate clinical diagnosis with imaging confirmation is critical to support appropriate treatment. Several imaging pearls allow for improved recognition of injuries. Stress radiographs may be obtained to quantify knee laxity. Magnetic resonance imaging allows assessment of the complex anatomy of the knee and has excellent sensitivity and specificity for many injuries.
April 2017: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/28346834/outcomes-of-inside-out-meniscal-repair-in-the-setting-of-multiligament-reconstruction-in-the-knee
#9
Jorge Chahla, Chase S Dean, Lauren M Matheny, Justin J Mitchell, Mark E Cinque, Robert F LaPrade
BACKGROUND: Limited evidence exists for meniscal repair outcomes in a multiligament reconstruction setting. Purpose/Hypothesis: The purpose of this study was to assess outcomes and failure rates of meniscal repair in patients who underwent multiligament reconstruction compared with patients who underwent multiligament reconstruction but lacked meniscal tears. The authors hypothesized that the outcomes of meniscal repair associated with concomitant multiligament reconstruction would significantly improve from preoperatively to postoperatively at a minimum of 2 years after the index surgery...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28339288/the-proximal-tibiofibular-joint-a-biomechanical-analysis-of-the-anterior-and-posterior-ligamentous-complexes
#10
Daniel Cole Marchetti, Gilbert Moatshe, Brian M Phelps, Kimi D Dahl, Marcio Balbinotti Ferrari, Jorge Chahla, Travis Lee Turnbull, Robert F LaPrade
BACKGROUND: Dislocation of the proximal tibiofibular joint is a complex injury that is often overlooked or misdiagnosed. Surgical management is recommended for severe acute or for chronic symptomatic instability of the proximal tibiofibular joint. Although the anterior ligamentous complex has been reported to be stronger than the posterior complex, biomechanical data are lacking. PURPOSE: To determine the ultimate load of the anterior and posterior ligamentous complexes of the proximal tibiofibular joint to determine optimal graft selection...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28326444/quantitative-radiographic-assessment-of-the-anatomic-attachment-sites-of-the-anterior-and-posterior-complexes-of-the-proximal-tibiofibular-joint
#11
Daniel Cole Marchetti, Jorge Chahla, Gilbert Moatshe, Erik L Slette, Robert F LaPrade
PURPOSE: Quantitative guidelines for radiographic identification of the anterior and posterior ligaments of the proximal tibiofibular joint have not been well defined. The purpose of this study was to provide reproducible, quantitative descriptions of radiographic landmarks identifying the anterior and posterior ligament complexes of the proximal tibiofibular joint. It was hypothesized that consistent quantitative data regarding the radiographic location of the anterior and posterior proximal tibiofibular joint ligament complexes could be identified...
March 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28321475/the-forgotten-joint-quantifying-the-anatomy-of-the-proximal-tibiofibular-joint
#12
Jack Anavian, Daniel Cole Marchetti, Gilbert Moatshe, Erik L Slette, Jorge Chahla, Alex W Brady, David M Civitarese, Robert F LaPrade
PURPOSE: Limited objective data exist detailing the quantitative anatomy of the individual bundles of the proximal tibiofibular joint and their relation to surgically pertinent osseous landmarks. The purpose of this study was to qualitatively and quantitatively describe the ligamentous anatomy of the proximal tibiofibular joint and its relation to relevant bony landmarks. METHODS: Ten non-paired, fresh-frozen cadaveric knee specimens were dissected to identify the proximal tibiofibular joint ligament bundles...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28321426/quantitative-anatomic-analysis-of-the-native-ligamentum-teres
#13
Jacob D Mikula, Erik L Slette, Jorge Chahla, Alex W Brady, Renato Locks, Christiano A C Trindade, Matthew T Rasmussen, Robert F LaPrade, Marc J Philippon
BACKGROUND: While recent studies have addressed the biomechanical function of the ligamentum teres and provided descriptions of ligamentum teres reconstruction techniques, its detailed quantitative anatomy remains relatively undocumented. Moreover, there is a lack of consensus in the literature regarding the number and morphology of the acetabular attachments of the ligamentum teres. PURPOSE: To provide a clinically relevant quantitative anatomic description of the native human ligamentum teres...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28298056/outcomes-after-biologically-augmented-isolated-meniscal-repair-with-marrow-venting-are-comparable-with-those-after-meniscal-repair-with-concomitant-anterior-cruciate-ligament-reconstruction
#14
Chase S Dean, Jorge Chahla, Lauren M Matheny, Justin J Mitchell, Robert F LaPrade
BACKGROUND: Meniscal repair in the setting of anterior cruciate ligament (ACL) reconstruction has demonstrated superior outcomes compared with isolated meniscal repair. Limited evidence exists for the effects of biological augmentation in isolated meniscal repair, particularly as compared with meniscal repair with concomitant ACL reconstruction. Purpose/Hypothesis: The purpose of this study was to compare the outcomes and survivorship of meniscal repair in 2 cohorts of patients: meniscal repair with biological augmentation using a marrow venting procedure (MVP) of the intercondylar notch, and meniscal repair with concomitant ACL reconstruction...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28280907/high-prevalence-of-knee-osteoarthritis-at-a-minimum-10-year-follow-up-after-knee-dislocation-surgery
#15
Gilbert Moatshe, Grant J Dornan, Tom Ludvigsen, Sverre Løken, Robert F LaPrade, Lars Engebretsen
PURPOSE: Long-term outcomes and the prevalence of osteoarthritis after surgical treatment of knee dislocations are lacking in the literature. The purpose of this study was to investigate the prevalence of knee osteoarthritis and knee function at a minimum of 10 years after knee dislocation surgery. METHODS: Sixty-five patients surgically treated for knee dislocations at a single level I trauma center between May 1996 and December 2004 were evaluated at a minimum of 10 years...
March 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28224064/anterior-horn-meniscal-repair-using-an-outside-in-suture-technique
#16
Travis J Menge, Chase S Dean, Jorge Chahla, Justin J Mitchell, Robert F LaPrade
The menisci are important structures within the knee that play a critical role in maintaining proper stability, load distribution, and joint lubrication. Injury to the menisci has been found to significantly alter the complex biomechanics of the knee, and thus affect the health and longevity of the native joint. Tears involving the anterior horn are increasingly recognized as an important pathology. Although early treatment of meniscal tears focused primarily on removal of the injured tissue, recent attention on the long-term consequences of partial or total meniscectomy has led to increased attempts at meniscus repair whenever possible...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28210653/biologic-approaches-for-the-treatment-of-partial-tears-of-the-anterior-cruciate-ligament-a-current-concepts-review
#17
Ignacio Dallo, Jorge Chahla, Justin J Mitchell, Cecilia Pascual-Garrido, John A Feagin, Robert F LaPrade
BACKGROUND: Anterior cruciate ligament reconstruction (ACLR) has been established as the gold standard for treatment of complete ruptures of the anterior cruciate ligament (ACL) in active, symptomatic individuals. In contrast, treatment of partial tears of the ACL remains controversial. Biologically augmented ACL-repair techniques are expanding in an attempt to regenerate and improve healing and outcomes of both the native ACL and the reconstructed graft tissue. PURPOSE: To review the biologic treatment options for partial tears of the ACL...
January 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28205540/anatomical-characteristics-and-biomechanical-properties-of-the-oblique-popliteal-ligament
#18
Xiang-Dong Wu, Jin-Hui Yu, Tao Zou, Wei Wang, Robert F LaPrade, Wei Huang, Shan-Quan Sun
This anatomical study sought to investigate the morphological characteristics and biomechanical properties of the oblique popliteal ligament (OPL). Embalmed cadaveric knees were used for the study. The OPL and its surrounding structures were dissected; its morphology was carefully observed, analyzed and measured; its biomechanical properties were investigated. The origins and insertions of the OPL were relatively similar, but its overall shape was variable. The OPL had two origins: one originated from the posterior surface of the posteromedial tibia condyle, merged with fibers from the semimembranosus tendon, the other originated from the posteromedial part of the capsule...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28162838/evidence-for-the-use-of-cell-based-therapy-for-the-treatment-of-osteonecrosis-of-the-femoral-head-a-systematic-review-of-the-literature
#19
Nicolas S Piuzzi, Jorge Chahla, John B Schrock, Robert F LaPrade, Cecilia Pascual-Garrido, Michael A Mont, George F Muschler
BACKGROUND: Cell-therapy has been promoted among the therapeutic arsenal that can aid in bone formation and remodeling, in early stages of osteonecrosis of the femoral head (ONFH). The purpose of this systematic review was to assess the evidence supporting the (1) clinical efficacy; (2) structural modifying effect, as evaluated radiographically; (3) revision rates; and (4) safety of cell-therapy for the treatment of ONFH. METHODS: A systematic review was performed including studies with a level-of-evidence of III or higher...
January 12, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28065868/clinical-impact-of-positive-propionibacterium-acnes-cultures-in-orthopedic-surgery
#20
V Lavergne, M Malo, C Gaudelli, M Laprade, S Leduc, P Laflamme, D M Rouleau
BACKGROUND: The clinical significance of a positive culture to Propionibacterium acnes in orthopedic specimens remains unclear, whether about its role as a contaminant or a pathogen, or its impact as a coinfectant. Therefore, we performed a retrospective study to provide a more accurate description of the clinical impact of P. acnes in an orthopedic population aiming to determine: 1) if there is a clinical difference between P. acnes infection and contamination? 2) If there is a clinical difference between P...
April 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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