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https://www.readbyqxmd.com/read/27904222/functional-and-computed-tomography-correlation-of-femoral-and-tibial-tunnels-in-single-bundle-anterior-cruciate-ligament-reconstruction-use-of-accessory-anteromedial-portal
#1
Naveen Joseph Mathai, Rajkumar S Amaravathi, K V Pavan, Padmanabhan Sekaran, Gaurav Sharma, Belliappa Codanda
BACKGROUND: An accessory anteromedial portal (AAMP) has been shown to be effective in placing an anatomically ideal femoral tunnel. It is well known that this is due to the independent femoral drilling which is possible with the AAMP. However very little is known regarding the significance of this reconstruction technique in influencing the functional outcomes of anatomic anterior cruciate ligament reconstruction (ACLR). This study documents the influence of tibial and femoral tunnel positions on functional outcomes of anatomic ACLR using the AAMP...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27900267/depression-and-psychiatric-disease-associated-with-outcomes-after-anterior-cruciate-ligament-reconstruction
#2
REVIEW
Hao-Hua Wu, Max Liu, Joshua S Dines, John D Kelly, Grant H Garcia
While most patients with an anterior cruciate ligament (ACL) injury indicate satisfaction with surgical intervention, a significant proportion still do not return to pre-injury level of function or sport. Psychiatric comorbidities, such as depression, have recently been associated with poor clinical outcomes after ACL reconstruction (ACLR). To date, no article has yet examined how depression affects ACLR outcomes and how potential screening and intervention for psychological distress may affect postoperative activity level...
November 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27881382/early-changes-in-knee-center-of-rotation-during-walking-after-anterior-cruciate-ligament-reconstruction-correlate-with-later-changes-in-patient-reported-outcomes
#3
Matthew R Titchenal, Constance R Chu, Jennifer C Erhart-Hledik, Thomas P Andriacchi
BACKGROUND: Altered knee kinematics after anterior cruciate ligament injury and reconstruction (ACLR) have been implicated in the development of posttraumatic osteoarthritis (PTOA), leading to poor long-term clinical outcomes. PURPOSE: This study was conducted to determine (1) whether the average knee center of rotation (KCOR), a multidimensional metric of knee kinematics, of the ACL-reconstructed knee during walking differs from that of the uninjured contralateral knee; (2) whether KCOR changes between 2 and 4 years after surgery; and (3) whether early KCOR changes predict patient-reported outcomes 8 years after ACLR...
November 23, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27861256/nonmodifiable-risk-factors-for-anterior-cruciate-ligament-injury
#4
Meghan J Price, Maria Tuca, Frank A Cordasco, Daniel W Green
PURPOSE OF REVIEW: As anterior cruciate ligament (ACL) injury is becoming increasingly prevalent in the population of active children and young adolescents, it is crucial to be aware of both the modifiable and nonmodifiable factors that place this population at increased ACL injury risk. Historically, there has not been a definitive consensus on all of these risk factors-particularly the nonmodifiable ones. RECENT FINDINGS: The present review has accumulated the most recent evidence for the nonmodifiable risk factors in ACL injury focusing particularly on female gender, generalized joint laxity, knee recurvatum, increased lateral tibial slope, decreased intercondylar notch width, structural lower extremity valgus, limb length discrepancy, family history, and history of contralateral knee ACL injury...
November 16, 2016: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/27859527/gait-mechanics-and-second-acl-rupture-implications-for-delaying-return-to-sport
#5
Jacob J Capin, Ashutosh Khandha, Ryan Zarzycki, Kurt Manal, Thomas S Buchanan, Lynn Snyder-Mackler
Second anterior cruciate ligament rupture is a common and devastating injury among young women who return to sport after ACL reconstruction, but it is inadequately understood. The purpose of this study was to compare gait biomechanics and return-to-sport time frames in a matched cohort of young female athletes who, after primary ACLR, returned to sport without re-injury or sustained a second ACL injury. Approximately 6 months after primary reconstruction, 14 young women (age 16 ± 2 years) involved in jumping, cutting, and pivoting sports underwent motion analysis testing after physical therapy and impairment resolution...
November 9, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27857501/prospective-study-of-the-anterior-cruciate-ligament-reconstruction-associated-with-high-tibial-opening-wedge-osteotomy-in-knee-arthritis-associated-with-instability
#6
Raju Vaishya, Vipul Vijay, Gyanendra Kumar Jha, Amit Kumar Agarwal
INTRODUCTION: Chronic ACL insufficiency with associated varus malalignment due to knee osteoarthritis (OA) is challenging to treat surgically. A combined ACL reconstruction (ACLR) with medial open wedge high tibial osteotomy (HTO) without using any metallic implant for HTO is an effective technique. MATERIALS AND METHOD: All the patients attending the outpatient department ACL injury and with associated medial compartment OA (Kellegren's grade 2 and grade 3) were considered for inclusion in the study...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27855310/between-leg-differences-in-challenging-single-limb-balance-performance-one-year-following-anterior-cruciate-ligament-reconstruction
#7
Anna L Hatton, Kay M Crossley, Ross A Clark, Timothy S Whitehead, Hayden G Morris, Adam G Culvenor
Following anterior cruciate ligament (ACL) rupture, reconstructive surgery (ALCR) is often performed to mechanically stabilise the knee, however functional deficits often persist long after surgery. Impaired single-limb standing balance has been observed in the ACLR limb compared to healthy individuals. However, it remains inconclusive as to whether these same balance deficits exist between the injured and contralateral uninjured limbs, during challenging balance tasks, and at a time when patients are permitted to return to sport...
November 11, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27820852/osteoarthritis-in-the-knee-joints-of-g%C3%A3-ttingen-minipigs-after-resection-of-the-anterior-cruciate-ligament-missing-correlation-of-mri-gene-and-protein-expression-with-histological-scoring
#8
Gregor Reisig, Michael Kreinest, Wiltrud Richter, Mechthild Wagner-Ecker, Dietmar Dinter, Ulrike Attenberger, Barbara Schneider-Wald, Stefan Fickert, Markus L Schwarz
INTRODUCTION: The Göttingen Minipig (GM) is used as large animal model in articular cartilage research. The aim of the study was to introduce osteoarthritis (OA) in the GM by resecting the anterior cruciate ligament (ACLR) according to Pond and Nuki, verified by histological and magnetic resonance imaging (MRI) scoring as well as analysis of gene and protein expression. MATERIALS AND METHODS: The eight included skeletally mature female GM were assessed after ACLR in the left and a sham operation in the right knee, which served as control...
2016: PloS One
https://www.readbyqxmd.com/read/27817301/neuroplasticity-associated-with-anterior-cruciate-ligament-reconstruction
#9
Dustin R Grooms, Stephen J Page, Deborah S Nichols-Larsen, Ajit M W Chaudhari, Susan E White, James A Onate
Study Design Controlled laboratory study. Background Anterior cruciate ligament (ACL) injury may result in neuroplastic changes due to lost mechanoreceptors of the ACL and compensations in neuromuscular control. These alterations are not completely understood. Assessing brain function after ACL injury and reconstruction with functional magnetic resonance imaging (fMRI), provides a means to address this gap in knowledge. Objective To investigate brain activation differences during knee flexion/extension in persons who have undergone ACL reconstruction (ACLR) and matched controls...
November 5, 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27802963/does-the-chronicity-of-anterior-cruciate-ligament-ruptures-influence-patient-reported-outcomes-before-surgery
#10
Joseph T Nguyen, David Wasserstein, Emily K Reinke, Kurt P Spindler, Nabil Mehta, John B Doyle, Robert G Marx
BACKGROUND: The time between an anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) may influence baseline knee-related and general health-related patient-reported outcome measures (PROMs). Despite the common use of PROMs as main outcomes in clinical studies, this variable has never been evaluated. PURPOSE: To compare baseline health-related quality of life measures and the prevalence/pattern of meniscal and articular cartilage lesions between patients who underwent acute and chronic ACLR so as to provide clinicians with benchmark PROMs in 2 different patient populations with ACL injuries...
November 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27789072/long-term-results-of-arthroscopic-arthrolysis-for-arthrofibrosis-after-anterior-cruciate-ligament-reconstruction
#11
Hermann O Mayr, Christian M Brandt, Thomas Weig, Manuel Koehne, Anke Bernstein, Norbert P Suedkamp, Robert Hube, Amelie Stoehr
PURPOSE: The current study was conducted to evaluate the long-term clinical and radiological outcomes after arthroscopic arthrolysis for arthrofibrosis after anterior cruciate ligament reconstruction (ACLR). METHODS: All patients treated with arthrolysis between 1990 and 1998 were included. Indication was arthrofibrosis in at least one knee compartment or a cyclops syndrome limiting range of motion (ROM) by > 5° of extension deficit and 15° of flexion deficit...
October 24, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27780287/infection-following-anterior-cruciate-ligament-reconstruction-an-analysis-of-6-389-cases
#12
Robert Westermann, Chris A Anthony, Kyle R Duchman, Yubo Gao, Andrew J Pugely, Carolyn M Hettrich, Ned Amendola, Brian R Wolf
Infection following anterior cruciate ligament reconstruction (ACLR) is rare. Previous authors have concluded that diabetes, tobacco use, and previous knee surgery may influence infection rates following ACLR. The purpose of this study was to identify a cohort of patients undergoing ACLR and define (1) the incidence of infection after ACLR from a large multicenter database and (2) the risk factors for infection after ACLR. We identified patients undergoing elective ACLRs in the American College of Surgeons National Surgical Quality Improvement Program database between 2007 and 2013...
October 25, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27773640/comparative-influence-of-sport-type-on-outcome-after-anterior-cruciate-ligament-reconstruction-at-minimum-2-year-follow-up
#13
Benedict U Nwachukwu, Pramod B Voleti, Brenda Chang, Patricia Berkanish, Gregory T Mahony, Riley J Williams, David W Altchek, Answorth A Allen
PURPOSE: To investigate differences between sport types for patient-reported outcome after anterior cruciate ligament reconstruction (ACLR). METHODS: Included patients were enrolled as part of a prospective institutional ACL registry. Inclusion criteria were preoperative self-identification as a competitive athlete, maximum score on the preoperative Marx Activity Scale, and minimum 2-year follow-up. Demographic, intraoperative, and outcome data were extracted from the registry...
October 20, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27761623/clinical-advantages-of-image-free-navigation-system-using-surface-based-registration-in-anatomical-anterior-cruciate-ligament-reconstruction
#14
Byung Hoon Lee, Dong Ho Kum, Im Joo Rhyu, Youngjun Kim, Hyunchul Cho, Joon Ho Wang
PURPOSE: To evaluate the clinical advantages of a navigation system developed with an emphasis on attaining an appropriate femoral tunnel length and posterior wall margin with no posterior wall blowout, as well as having accurate tunnel positioning, in anatomical anterior cruciate ligament reconstruction (ACLR). METHODS: Ten freshly frozen human knees were transected at mid-femur and mid-tibia. Each knee specimen underwent arthroscopic single-bundle anterior cruciate ligament reconstruction using the outside-in technique, with two knees by manual ACLR (control group) and another eight knees by only the navigational ACLR without arthroscopic assistance (experimental group)...
October 19, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27746493/single-bundle-versus-double-bundle-anterior-cruciate-ligament-reconstruction-a-comparative-study-with-propensity-score-matching
#15
Jeong-Ku Ha, Dhong-Won Lee, Jin-Goo Kim
BACKGROUND: Numerous studies have elucidated the functional anatomy and biomechanics of the anterior cruciate ligament (ACL), as a result, double-bundle (DB) ACL reconstruction has received much attention and has become a popular choice because it gives better rotational stability. Many other studies, however, found no differences with respect to stability, and/or other clinical outcomes between the DB and single-bundle (SB) techniques. There is still not enough evidence as to whether the anatomical DB anterior cruciate ligament reconstruction (ACLR) is superior to anatomical SB reconstruction...
September 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27733087/comparison-of-muscle-activation-levels-between-healthy-individuals-and-persons-who-have-undergone-anterior-cruciate-ligament-reconstruction-during-different-phases-of-weight-bearing-exercises
#16
Gulcan Harput, Jennifer Sebert Howard, Carl Mattacola
Study Design Cross-sectional, controlled laboratory study. Background Quantification of muscular activation during different phases of functional activities is important to understand activation deficits in individuals who have undergone anterior cruciate ligament reconstruction (ACLR). Objectives To compare activation levels of vastus medialis (VM), medial hamstrings (MH) and gluteus medius (GMed) muscles during the different phases of weight bearing tasks between individuals who had undergone ACLR and healthy controls...
October 12, 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27693503/anterior-knee-pain-following-anterior-cruciate-ligament-reconstruction-does-not-increase-the-risk-of-patellofemoral-osteoarthritis-at-15-and-20-year%C3%A2-follow-ups
#17
A G Culvenor, B E Øiestad, I Holm, R B Gunderson, K M Crossley, M A Risberg
OBJECTIVE: To prospectively evaluate the relationship between the presence or persistence of anterior knee pain (AKP) during the first 2-years following anterior cruciate ligament reconstruction (ACLR) and patellofemoral osteoarthritis (PFOA) at 15- and 20-years. DESIGN: This study was ancillary to a long-term prospective cohort study of 221 participants following bone-patellar-tendon-bone ACLR. AKP was assessed at 1- and 2-years post-ACLR using part of the Cincinnati knee score with an additional pain location question (persistence defined as presence at both follow-ups)...
September 30, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27680889/efficacy-of-%C3%AE-tricalcium-phosphate-graft-into-the-bone-defects-after-bone-patellar-tendon-bone-anterior-cruciate-ligament-reconstruction
#18
Hiroshi Higuchi, Atsushi Kobayashi, Keiko Ikeda, Kazuhisa Hatayama, Sinya Yanagisawa, Kazuo Kato
This prospective pilot study investigated whether grafting β-tricalcium phosphate (B-TCP) into the bone-patellar tendon-bone (BPTB)-harvesting site after anterior cruciate ligament reconstruction would accelerate bone and tendon regeneration in the grafted site. Overall, 19 patients agreed prospectively to undergo regular morphological and histological examinations of the B-TCP-grafted site. Postoperative radiographic, ultrasonographic, and magnetic resonance imaging (MRI) examinations were performed to evaluate the grafted site at 1, 3, 6, and 12 months...
September 28, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27676865/functional-tests-can-they-help-in-the-decision-to-return-to-sports-after-anterior-cruciate-ligament-example-with-hop-tests
#19
Alexandre Rambaud, Pierre Samozino, Pascal Edouard
OBJECTIVE: After anterior cruciate ligament (ACL) tear, the ACL reconstruction (ACLR) is the standard treatment to return to pivots/contacts sports. The goal of rehabilitation programs is to guide the functional recovery and the safe return to sport without additional knee injury or other injuries. Functional tests, like Hop tests and their side to-side difference index [limb symmetry index (LSI)], are commonly used following ACLR to help return to sport decision making. However, the most commonly used criterion to return to sport is the postoperative time: return to light activities (RtlA) at 3 or 4 month mark and return to sport with contacts and side-cuttings (RtS) between 6 and 9 month mark...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27676864/interest-of-a-biomechanical-analysis-of-running-on-a-treadmill-coupled-with-functional-testing-and-isokinetic-evaluation-during-return-to-sport-after-anterior-cruciate-ligament-reconstruction
#20
Alexandre Rambaud, Bertrand Semay, Jean-Benoit Morin, Rémi Phillipot, Pierre Samozino, Pascal Edouard
OBJECTIVE: A criterion of the anterior cruciate ligament reconstruction (ACLR) success is the return to sport at the same level as before surgery. Return to sport (RtS) decision seems to be a key element in this success: if too early RtS exposes to risk of injury, too late RtS influences the motivation to return to the same level. Functional tests (Hop Tests) and isokinetic assessments (Isok Tests) are usually performed to guide this decision. However, a precise and objective biomechanical analysis of running pattern would be more similarly to the sport activity...
September 2016: Annals of Physical and Rehabilitation Medicine
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