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Anterior cruciate reconstruction

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https://www.readbyqxmd.com/read/29456068/magnetic-resonance-imaging-diagnosis-of-medial-meniscal-ramp-lesions-in-patients-with-anterior-cruciate-ligament-injuries
#1
Kazuhisa Hatayama, Masanori Terauchi, Kenichi Saito, Jun Aoki, Satoshi Nonaka, Hiroshi Higuchi
PURPOSE: To prospectively evaluate the sensitivity and specificity of magnetic resonance imaging (MRI) for diagnosing ramp lesions, to compare them between 1.5- and 3-T MRI, and to evaluate whether bone contusion of the posterior lip of the medial tibial plateau was associated with ramp lesions. METHODS: For 155 knees that underwent primary ACL reconstruction, we prospectively examined for ramp lesions and medial meniscal body tears on MRI. MRI diagnosis of ramp lesions required high signal irregularity of the capsular margin or separation in the meniscocapsular junction of the medial meniscus posterior horn on sagittal images...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29455514/-current-knowledge-in-the-treatment-of-anterolateral-ligament-injury-of-knees
#2
REVIEW
Yu-Qing Zeng, Jin-Tao Hu, Jun-Ming Wan, Fu-Hua Zhong, Bin-Feng Jiang, Jian-Fang Zhang, Jian-Wei Lu
Although the function of the anterolateral stabilizing structures of the knee in the anterior cruciate ligament (ACL) injuries has been recognized since many years, most of orthopedic surgeons do not take the anterolateral structure into consideration when performing an ACL reconstruction. Anatomic ACL reconstruction will improve knee stability, but a small subset of patients may experience some residual anteroposterior and rotational instability. For this reason, some researchers have paid attention to the anterolateral aspects of the knee, especially the anterolateral ligament...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455502/-case-control-study-on-the-effect-of-meniscus-shaping-on-knee-function-after-anterior-cruciate-ligament-reconstruction
#3
Li-Feng Fu, Jin-Tao Hu, Zheng Wang, Xin Chen
OBJECTIVE: To observe the effect of the meniscus shaping on the knee function and stability after anterior cruciate ligament reconstruction(ACLR). METHODS: A total of 64 ACLR patients were included from January 2013 to January 2015. The control group was the ACLR patients with intact meniscus, in which 24 males and 6 females. The mean age was(32.8±5.5) years old(ranged, 22 to 43 years old). The injury side was left on 17 cases and right on 13 cases. The mean follow-up time was(15...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455501/-case-control-study-on-the-effect-of-core-strength-training-on-the-function-of-anterior-cruciate-ligament-reconstruction
#4
Bin Wu, Song Zheng, Zhen-Hai Cai, Yue-Li Wang, Ming Zeng
OBJECTIVE: To observe the effect of core strength training on knee joint function and postural stability after anterior cruciate ligament reconstruction (ACLR). METHODS: A total of 80 ACLR patients were randomly allocated into conventional rehabilitation training group and core strength training group from May 2013 to May 2015 with 40 patients in each group. The patients in conventional rehabilitation training group underwent conventional ACLR rehabilitation training, in which 28 males and 12 females...
August 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29453931/comparison-of-return-to-pre-injury-sport-after-10-mm-size-bone-patellar-tendon-bone-bptb-versus-8-mm-hamstring-anterior-cruciate-ligament-reconstruction-a-retrospective-study-with-a-two-year-follow-up
#5
Rimtautas Gudas, Rokas Jurkonis, Alfredas Smailys
BACKGROUND The aim of this study was to evaluate the reconstruction of a torn anterior cruciate ligament (ACL) with 10 mm diameter BPTB (bone-patellar tendon-bone) autograft versus 8 mm HT (hamstring tendon) autografts, to compare the ability to restore pre-injury sports activities and reduce revision risk after these procedures. MATERIAL AND METHODS A prospective clinical review was performed to compare results of patients who underwent primary anatomical ACLR with 10 mm BPTB autografts with patients who underwent 8 mm diameter HT autografts, between January 2011 and January 2014...
February 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29450567/coronal-tibial-anteromedial-tunnel-location-has-minimal-effect-on-knee-biomechanics
#6
Shigehiro Asai, Donghwi Kim, Yuichi Hoshino, Chan-Woong Moon, Akira Maeyama, Monica Linde, Patrick Smolinski, Freddie H Fu
PURPOSE: Studies have found anatomic variation in the coronal position of the insertion site of anteromedial (AM) bundle of the anterior cruciate ligament (ACL) on the tibia, which can lead to questions about tunnel placement during ACL reconstruction. The purpose of this study was to determine how mediolateral placement of the tibial AM graft tunnel in double-bundle ACL reconstructions affects knee biomechanics. METHODS: Two different types of double-bundle ACL reconstructions were performed...
February 15, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29443537/a-randomized-clinical-trial-to-evaluate-attached-hamstring-anterior-cruciate-ligament-graft-maturity-with-magnetic-resonance-imaging
#7
Shaohua Liu, Hong Li, Hongyue Tao, Yaying Sun, Shiyi Chen, Jiwu Chen
BACKGROUND: The hamstring tendons are commonly harvested for anterior cruciate ligament (ACL) reconstruction with detachment of the tibial insertion. Retaining the insertion may help to preserve vascularity and viability of the graft and bypass the stages of avascular necrosis and revascularization, which might be beneficial to graft maturity. PURPOSE: To investigate and compare graft maturity by magnetic resonance imaging (MRI) after ACL reconstruction with preservation or detachment of hamstring tendon tibial insertion at up to 2 years...
February 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29440951/double-whip-stitch-for-free-graft-femoral-fixation-in-acl-reconstruction-experimental-study-on-porcine-model
#8
Cristian Tudor Buescu, Cristian Mircea Dudescu, Sergiu Caterev, Dan Gheorghe Osvald Lucaciu
Background and aims: Using free quadriceps tendon graft for anterior cruciate ligament (ACL) reconstruction has become more popular in the last years due to the low morbidity at the harvest site and biomechanical and structural properties similar to other types of graft (hamstring and patellar tendons). As long as the tibial tunnel fixation with interference screws is considered the standard fixation, femoral fixation is still an open subject. Even though the most common type of femoral tunnel fixation are the cortical suspension devices, the type of suture used for tying the graft to the loop is still evaluated and discussed...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29438746/longitudinal-changes-in-mr-t1%C3%AF-t2-signal-of-meniscus-and-its-association-with-cartilage-t1p-t2-in-acl-injured-patients
#9
Joseph Knox, Valentina Pedoia, Amy Wang, Matthew Tanaka, Gabby B Joseph, Jan Neumann, Thomas M Link, Xiaojuan Li, C Benjamin Ma
OBJECTIVE: To evaluate the longitudinal changes in meniscal T1ρ/T2 signal post-reconstruction in patients with acute anterior cruciate ligament (ACL) injury and to investigate the association with T1ρ/T2 signal in articular knee cartilage. METHOD: In this prospective study, knees of 37 patients with ACL-injury and reconstruction in addition to 13 healthy controls were scanned using magnetic resonance imaging (MRI) T1ρ/T2 mapping. Quantitative analysis of the meniscus was performed in the anterior/posterior horns of lateral/medial meniscus fourteen sub-compartments of cartilage spanning the medial/lateral area of the tibia and femoral condyles...
February 10, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29434808/double-bundle-revision-anterior-cruciate-ligament-reconstruction-is-effective-in-rescuing-failed-primary-reconstruction-and-re-introducing-patients-to-physical-exercise
#10
Changqing Jiang, Guofei Chen, Peng Chen, Wei Li, Honglei Zhang, Wentao Zhang
The anterior cruciate ligament (ACL) is one of a pair of cruciate ligaments in the human knee and is critical for knee stability, as it limits anterior tibial translation on the femur, restrains rotation and resists varus and valgus joint forces. The present study aimed to assess the effect of double-bundle revision anterior cruciate ligament (ACL) reconstruction in improving the subjective and objective functions and re-introducing patients to physical activity after primary ACL reconstruction had failed. A total of 34 patients who underwent double-bundle ACL revision surgeries were included in the present retrospective study...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29433481/impact-of-treatment-strategy-and-physical-performance-on-future-knee-related-self-efficacy-in-individuals-with-acl-injury
#11
Vala Flosadottir, Richard Frobell, Ewa M Roos, Eva Ageberg
BACKGROUND: In people with anterior cruciate ligament (ACL) injury, high self-efficacy facilitates recovery, indicated by improved muscle function, reduced knee symptoms and increased physical activity. Impact of treatment on future self-efficacy is however not well investigated. The aims of the study were to 1) investigate knee-related self-efficacy 6 years after acute ACL injury in patients treated with exercise therapy alone or in combination with either early or the option of delayed ACL reconstruction (ACLR), and 2) to investigate associations between single-leg physical performance at various time points after ACL injury and knee self-efficacy at 6 years after injury...
February 13, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29433043/increased-movement-variability-in-one-leg-hops-about-20-years-after-treatment-of-anterior-cruciate-ligament-injury
#12
Divya Srinivasan, Eva Tengman, Charlotte K Häger
BACKGROUND: Recent studies highlight the need for understanding movement control of adjacent joints when evaluating knee function following anterior cruciate ligament (ACL) injury. However, while short-term adaptations to lower-extremity joint coupling have been studied, little is known about any potential long-term adaptations in neuromuscular control displayed by ACL-injured individuals. The aim of our study was to determine whether coordination variability of the hip-knee joint couplings during the one-leg hop is altered about 20 years after injury in two ACL-injured groups compared to healthy knee controls...
February 6, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29430399/associated-reconstruction-of-anterior-cruciate-and-anterolateral-ligaments-with-single-asymmetric-hamstring-tendons-graft
#13
Alejandro Espejo-Baena, Alejandro Espejo-Reina, Abel Gómez-Cáceres, Maria Josefa Espejo-Reina, Jaime Dalla Rosa-Nogales
The anterior cruciate ligament (ACL) rupture is a common disease that accounts for 250,000 cases/year in the United States. The anterolateral ligament (ALL) has been suggested to be an important restraint for rotational instability, and its reconstruction provides a reinforcement to the ACL reconstruction in this aspect, especially in high-demand athletes and in knees with high-grade pivot shift. Different techniques for associated ACL and ALL reconstruction have been described, but the ideal technique remains unclear...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29426312/anterior-cruciate-ligament-reconstruction-with-quadriceps-tendon-patellar-bone-allograft-matched-case-control-study
#14
Yoon-Ho Kwak, Sahnghoon Lee, Myung Chul Lee, Hyuk-Soo Han
BACKGROUND: Quadriceps tendon-patellar bone (QTPB) autograft is an excellent graft option with good clinical outcome. Use of QTPB autografts have increased because they minimize donor-site morbidity including anterior knee pain, while providing adequate mechanical strength. Although, there were many clinical results about allografts that used in anterior cruciate ligament (ACL) reconstruction, it have never been reported about the clinical outcome of ACL reconstruction with QTPB allograft...
February 9, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29426012/mri-ute-t2-profile-characteristics-correlate-to-walking-mechanics-and-patient-reported-outcomes-2-years-after-acl-reconstruction
#15
Ashley A Williams, Matthew R Titchenal, Thomas P Andriacchi, Constance R Chu
OBJECTIVE: Quantitative MRI Ultrashort echo time (UTE) T2* is sensitive to cartilage deep tissue matrix changes after anterior cruciate ligament reconstruction (ACLR). This study was performed to determine whether UTE-T2* profile analyses is a useful clinical metric for assessing cartilage matrix degeneration. This work tests the hypotheses that UTE-T2* depthwise rates of change (profile slopes) correlated with clinical outcome metrics of walking mechanics and patient reported outcomes (PRO) in patients 2 years after ACLR...
February 6, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29425835/the-influence-of-internal-and-external-tibial-rotation-offsets-on-knee-joint-and-ligament-biomechanics-during-simulated-athletic-tasks
#16
Nathaniel A Bates, Rebecca J Nesbitt, Jason T Shearn, Gregory D Myer, Timothy E Hewett
BACKGROUND: Following anterior cruciate ligament injury and subsequent reconstruction transverse plane tibiofemoral rotation becomes underconstrained and overconstrained, respectively. Conflicting reports exist on how rotations influence loading at the knee. This investigation aimed to determine the mechanical effects of internal and external tibial rotation offsets on knee kinematics and ligament strains during in vitro simulations of in vivo recorded kinematics. METHOD: A 6-degree-of-freedom robotic manipulator arm was used to articulate 11 cadaveric tibiofemoral joint specimens through simulations of four athletic tasks produced from in vivo recorded kinematics...
February 2, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29424175/-experimental-study-on-staphylococcal-enterotoxin-promoting-tendon-bone-healing-after-reconstruction-of-anterior-cruciate-ligament-in-rabbits
#17
Chun-Bao Li, Chao Xue, Wei Qi, Ning Wang, Jing Xue, Xiao-Yong Wu, Juan-Li Zhu, Yang Liu, Yu-Jie Liu
OBJECTIVE: To explore highly agglutinative staphylococcin (HAS) pomoting on tendon-bone healing after reconstruction of anterior cruciate ligament(ACL) in rabbits. METHODS: Animal model of ACL reconstruction in 24 mature New Zealand white rabbits(3 months, 2.56 kg on average, either gender) were established using autologous digital long extensor tendon and randomly classified into 2 groups(HAS and control group), 12 rabbits for each group. HAS group was separately injected 0...
June 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29423546/association-between-incision-technique-for-hamstring-tendon-harvest-in-anterior-cruciate-ligament-reconstruction-and-the-risk-of-injury-to-the-infra-patellar-branch-of-the-saphenous-nerve-a-meta-analysis
#18
REVIEW
Alberto Grassi, Francesco Perdisa, Kristian Samuelsson, Eleonor Svantesson, Matteo Romagnoli, Federico Raggi, Teide Gaziano, Massimiliano Mosca, Olufemi Ayeni, Stefano Zaffagnini
PURPOSE: To determine how the incision technique for hamstring tendon (HT) harvest in anterior cruciate ligament (ACL) reconstruction affects the risk of injury to the IPBSN and clinical outcome. METHODS: A systematic literature search of the MEDLINE/Pubmed, Cochrane Central Register of Controlled Trials (CENTRAL) and EBSCOhost electronic databases and clinicaltrials.gov for unpublished studies was performed to identify comparative studies investigating injury to the IPBSN after HT ACL reconstruction by comparing at least two different incision techniques...
February 8, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29422445/septic-arthritis-caused-by-granulicatella-adiacens-after-anterior-cruciate-ligament-reconstruction
#19
A Mena Rosón, H Valencia García, F J Moreno Coronas
Septic arthritis after knee arthroscopy is an extremely rare condition. A rate of 0.15-0.84% cases of postoperative infection is estimated in several series. The arthroscopy procedure most frequently related with an infectious complication is anterior cruciate ligament (ACL) reconstruction, with a prevalence of 0.3-1.7% cases. Staphylococcus sp. is the pathogen most commonly cultured. We describe a case of septic arthritis after ACL reconstruction. We found no published case of septic arthritis caused by this microorganism after knee arthroscopy...
February 5, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29421839/variability-in-the-clock-face-view-description-of-femoral-tunnel-placement-in-acl-reconstruction-using-mri-based-bony-models
#20
Matthew J Kraeutler, Kushal V Patel, Ali Hosseini, Guoan Li, Thomas J Gill, Jonathan T Bravman
Though controversial, the "clock face view" of the intercondylar notch remains a way some surgeons communicate regarding placement of the femoral tunnel in anterior cruciate ligament reconstruction. The purpose of this study was to quantify the differences in angle measurement between several previous descriptions of the clock face view by using a new reference standard. Three-Tesla magnetic resonance imaging (MRI) was used to scan 10 human knees to create three-dimensional MRI-based bony models which were used for measurements...
February 8, 2018: Journal of Knee Surgery
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