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(Anterior cruciate ligament) AND Mri

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https://www.readbyqxmd.com/read/28224200/plain-radiographs-can-be-used-for-routine-assessment-of-acl-reconstruction-tunnel-position-with-three-dimensional-imaging-reserved-for-research-and-revision-surgery
#1
REVIEW
Jonathan David Kosy, Vipul I Mandalia
PURPOSE: The position of the osseous tunnels and graft during anterior cruciate ligament (ACL) reconstruction has been the subject of multiple studies aiming for either anatomical placement or an alternative. The assessment of these positions, using post-operative imaging, is therefore of interest to the surgeon in both the evaluation of surgical performance and surveillance of potential complications. The purpose of this review is to identify the optimal use of imaging in both the surveillance of clinical practice and in planning revision surgery...
February 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28220268/anterolateral-ligament-expert-group-consensus-paper-on-the-management-of-internal-rotation-and-instability-of-the-anterior-cruciate-ligament-deficient-knee
#2
REVIEW
Bertrand Sonnery-Cottet, Matthew Daggett, Jean-Marie Fayard, Andrea Ferretti, Camilo Partezani Helito, Martin Lind, Edoardo Monaco, Vitor Barion Castro de Pádua, Mathieu Thaunat, Adrian Wilson, Stefano Zaffagnini, Jacco Zijl, Steven Claes
Purpose of this paper is to provide an overview of the latest research on the anterolateral ligament (ALL) and present the consensus of the ALL Expert Group on the anatomy, radiographic landmarks, biomechanics, clinical and radiographic diagnosis, lesion classification, surgical technique and clinical outcomes. A consensus on controversial subjects surrounding the ALL and anterolateral knee instability has been established based on the opinion of experts, the latest publications on the subject and an exchange of experiences during the ALL Experts Meeting (November 2015, Lyon, France)...
February 20, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28214478/accuracy-of-64-section-mdct-in-the-diagnosis-of-cruciate-ligament-tears
#3
E J Heffernan, D E Moran, J F Gerstenmaier, C J McCarthy, C Hegarty, C J McMahon
AIM: To evaluate the accuracy of non-arthrographic 64-section multidetector computed tomography (CT) in the assessment of cruciate ligament tears. A secondary goal was to determine its accuracy in the diagnosis of additional soft-tissue injuries around the knee. MATERIALS AND METHODS: Forty consecutive outpatients underwent same-day magnetic resonance imaging (MRI) and 64-slice multidetector CT (MDCT) of the knee in this prospective study. MDCT images were independently evaluated for integrity of the anterior (ACL) and posterior cruciate ligaments (PCL), medial and lateral menisci, and medial and lateral collateral ligaments...
February 15, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28213703/proximal-tibial-bony-and-meniscal-slopes-are-higher-in-acl-injured-subjects-than-controls-a-comparative-mri-study
#4
Ashraf Elmansori, Timothy Lording, Raphaël Dumas, Khalifa Elmajri, Philippe Neyret, Sébastien Lustig
PURPOSE: Increased tibial slope is reported as a risk factor of non-contact anterior cruciate ligament (ACL) injury, but the effect of the soft tissues on slope remains unclear. The primary aims of this study were to compare the tibial bony and soft tissue slopes between patients with and without ACL injury, and to investigate the relationship between the meniscal slopes (MS) and the tibial bony slope. Our hypothesis was that the menisci would correct the inclination of the bony tibial slope towards the horizontal...
February 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28203605/femoral-and-tibial-tunnel-diameter-and-bioabsorbable-screw-findings-after-double-bundle-acl-reconstruction-in-5-year-clinical-and-mri-follow-up
#5
Tommi Kiekara, Antti Paakkala, Piia Suomalainen, Heini Huhtala, Timo Järvelä
BACKGROUND: Tunnel enlargement is frequently seen in short-term follow-up after anterior cruciate ligament reconstruction (ACLR). According to new evidence, tunnel enlargement may be followed by tunnel narrowing, but the long-term evolution of the tunnels is currently unknown. HYPOTHESIS/PURPOSE: The hypothesis was that tunnel enlargement is followed by tunnel narrowing caused by ossification as seen in follow-up using magnetic resonance imaging (MRI). The purpose of this study was to evaluate the ossification pattern of the tunnels, the communication of the 2 femoral and 2 tibial tunnels, and screw absorption findings in MRI...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203112/bone-contusion-progression-from-traumatic-knee-injury-association-of-rate-of-contusion-resolution-with-injury-severity
#6
Douglas R Pedersen, Georges Y El-Khoury, Dan R Thedens, Mothana Saad-Eldine, Phinit Phisitkul, Annunziato Amendola
BACKGROUND: Bone contusions are frequently encountered in magnetic resonance imaging (MRI) evaluation of knee anterior cruciate ligament (ACL) injuries. Their role as indicators of injury severity remains unclear, primarily due to indeterminate levels of joint injury forces and to a lack of preinjury imaging. PURPOSE: The purpose of this study was to 1) quantify bone contusion pathogenesis following traumatic joint injuries using fixed imaging follow-ups, and 2) assess the feasibility of using longitudinal bone contusion volumes as an indicator of knee injury severity...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28147215/attenuated-synovial-fluid-ghrelin-levels-are-linked-with-cartilage-damage-meniscus-injury-and-clinical-symptoms-in-patients-with-knee-anterior-cruciate-ligament-deficiency
#7
Yu-Cong Zou, Liang-Hua Chen, Yong-Liang Ye, Guang-Gang Yang, Zheng Mao, Dan-Dan Liu, Jun-Qi Chen, Jing-Jie Chen, Gang Liu
BACKGROUND: The meniscus injury and post-traumatic knee osteoarthritis (PTOA) following anterior cruciate ligament (ACL) lesions often cause great burdens to patients. Ghrelin, a recently identified 28-amino-acid peptide, has been shown to inhibit inflammation and perform as a growth factor for chondrocyte. OBJECTIVE: This study was aimed at investigating ghrelin concentration in synovial fluid and its association with the degree of meniscus injury, articular degeneration, and clinical severity in patients suffering from anterior cruciate ligament (ACL) deficiency...
December 2016: Discovery Medicine
https://www.readbyqxmd.com/read/28132087/comparison-of-transtibial-and-retrograde-outside-in-techniques-of-anterior-cruciate-ligament-reconstruction-in-terms-of-graft-nature-and-clinical-outcomes-a-case-control-study-using-3t-mri
#8
Jin Hwan Ahn, Yong Seuk Lee, Hwa Jae Jeong, Jai Hyung Park, Yohan Cho, Kwang-Jeong Kim, Taeg Su Ko
INTRODUCTION: This study was performed to compare ACL graft maturation and morphologies using MRI between trans-tibial (TT) and retrograde outside-in (OI) techniques, and to compare clinical outcomes between the two groups. MATERIALS AND METHODS: Patients underwent single-tunnel ACL reconstruction using quadrupled hamstring autografts, with the TT technique used on 42 patients (TT group) and the retrograde OI technique used on 39 patients (OI group). All patients were examined with 3 T MRI at 6 months (between 5 and 7 months) after surgery...
January 28, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28090441/principal-component-analysis-t1%C3%AF-voxel-based-relaxometry-of-the-articular-cartilage-a-comparison-of-biochemical-patterns-in-osteoarthritis-and-anterior-cruciate-ligament-subjects
#9
Valentina Pedoia, Colin Russell, Allison Randolph, Xiaojuan Li, Sharmila Majumdar
BACKGROUND: Quantitative MR, including T1ρ mapping, has been extensively used to probe early biochemical changes in knee articular cartilage of subjects with osteoarthritis (OA) and others at risk for cartilage degeneration, such as those with anterior cruciate ligament (ACL) injury and reconstruction. However, limited studies have been performed aimed to assess the spatial location and patterns of T1ρ. In this study we used a novel voxel-based relaxometry (VBR) technique coupled with principal component analysis (PCA) to extract relevant features so as to describe regional patterns and to investigate their similarities and differences in T1ρ maps in subjects with OA and subjects six months after ACL reconstruction (ACLR)...
December 2016: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28064350/a-descriptive-study-of-potential-effect-of-anterior-tibial-translation-femoral-tunnel-and-anterior-cruciate-ligament-graft-inclination-on-clinical-outcome-and-degenerative-changes
#10
Žiga Snoj, Oskar Zupanc, Klemen Stražar, Vladka Salapura
INTRODUCTION: There is no evidence that anatomically correct anterior cruciate ligament reconstruction (ACLR) offers lower rate of degenerative changes development or that it would lead to a better outcome. The significance and understanding of the abnormal anterior tibial translation (ATT) in ACLR patients is yet to be established. METHODS: Sixty subjects (40 patients at 5.9 years after ACLR, 20 healthy controls) underwent 3 T MRI. Quantitative cartilage T2 mapping and morphological whole organ magnetic resonance imaging score (WORMS) evaluation was performed...
January 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28060534/is-it-necessary-to-repair-stable-ramp-lesions-of-the-medial-meniscus-during-anterior-cruciate-ligament-reconstruction
#11
Xin Liu, Hui Zhang, Hua Feng, Lei Hong, Xue-Song Wang, Guan-Yang Song
BACKGROUND: A special type of meniscal lesion involving the peripheral attachment of the posterior horn of the medial meniscus (PHMM), termed a "ramp lesion," is commonly associated with an anterior cruciate ligament (ACL) injury. However, its treatment is still controversial. Recently, stable ramp lesions treated with abrasion and trephination alone have been shown to have good clinical outcomes after ACL reconstruction. HYPOTHESIS: Stable ramp lesions treated with abrasion and trephination alone during ACL reconstruction will result in similar clinical outcomes compared with those treated with surgical repair...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28053391/a-prospective-study-to-evaluate-the-clinico-radiological-outcomes-of-arthroscopic-single-bundle-versus-double-bundle-anterior-cruciate-ligament-reconstruction
#12
Ashish Devgan, Rajesh Rohilla, Amanpreet Singh, Milind Tanwar, Radhika Devgan, Karan Siwach
INTRODUCTION: The aim of the study was to compare clinical and radiological outcomes of arthroscopic single-bundle versus double-bundle anterior cruciate ligament (ACL) reconstruction. PATIENT AND METHODS: 60 patients with isolated ACL injury were divided into single bundle (SB) (n = 30) and double bundle (DB) reconstruction groups (n = 30) and operated between July 2009 and July 2012. Outcome evaluation was performed using GNRB arthrometer, International Knee Documentation Committee & Lysholm scale...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28050574/a-validation-study-of-a-novel-3-dimensional-mri-modeling-technique-to-identify-the-anatomic-insertions-of-the-anterior-cruciate-ligament
#13
Catherine Hui, Yeli Pi, Vimarsha Swami, Myles Mabee, Jacob L Jaremko
BACKGROUND: Anatomic single bundle anterior cruciate ligament (ACL) reconstruction is the current gold standard in ACL reconstructive surgery. However, placement of femoral and tibial tunnels at the anatomic center of the ACL insertion sites can be difficult intraoperatively. We developed a "virtual arthroscopy" program that allows users to identify ACL insertions on preoperative knee magnetic resonance images (MRIs) and generates a 3-dimensional (3D) bone model that matches the arthroscopic view to help guide intraoperative tunnel placement...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28036159/comparison-in-knee-osteoarthritis-joint-damage-patterns-among-individuals-with-an-intact-complete-and-partial-anterior-cruciate-ligament-rupture
#14
Victoria L Johnson, Ali Guermazi, Frank W Roemer, David J Hunter
AIM: The aim of this study was to examine the difference in the pattern of articular damage in persons with either a partial anterior cruciate ligament (ACL) tear; a complete ACL tear or no ACL tear. METHODS: Our study included 600 individuals (of the 600 individuals, 25 with a partial, 12 with a complete ACL tear and 563 with no ACL tear) from the progression sub-cohort of the Osteoarthritis Initiative. Individuals had a mean age of 61.8 years (range 45-79 years)...
December 30, 2016: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28031492/tibial-plateau-slopes-in-indian-patients-with-or-without-anterior-cruciate-ligament-injury-a-magnetic-resonance-imaging-study
#15
Shyam Sundar, Sarthak Patnaik, Bobur Ubaydullaev, Vinodh Kolandavelu, David Rajan
PURPOSE: To compare anterior cruciate ligament (ACL)-injured and ACL-intact patients as well as males and females in terms of tibial plateau slopes to determine their association with ACL injury. METHODS: Magnetic resonance images (MRI) of the knee of 310 male and 179 female skeletally mature Indian patients (mean age, 40 years) with (n=170+29) or without (n=140+150) ACL injury were reviewed. Their medial and lateral tibial plateau slopes (MTPS and LTPS), medial tibial plateau depth (MTPD), and lateral tibial plateau height (LTPH) were measured using MRI...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28027452/all-inside-all-epiphyseal-anterior-cruciate-ligament-reconstruction-in-skeletally-immature-athletes
#16
Frank A Cordasco, Stephanie Watson Mayer, Daniel W Green
BACKGROUND: Anterior cruciate ligament (ACL) injuries in skeletally immature athletes are increasing. PURPOSE: To evaluate the 2-year clinical outcomes of all-inside, all-epiphyseal ACL reconstruction in skeletally immature athletes with 3 to 6 years of remaining growth, with a focus on return to sport and the incidence of second surgery. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Twenty-three skeletally immature athletes were prospectively evaluated after all-epiphyseal ACL reconstruction utilizing a hamstring autograft...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27992239/differential-effects-of-two-rehabilitation-programs-following-anterior-cruciate-ligament-reconstruction
#17
Igor Setuain, Mikel Izquierdo, Fernando Idoate, Eder Bikandi, Esteban M Gorostiaga, Per Aagaard, Eduardo L Cadore, Jesús Alfaro-Adrián
Context- The muscular function restoration related to the type of physical rehabilitation followed after anterior cruciate ligament reconstruction (ACLR) using autologous hamstring tendon graft in terms of strength and cross sectional area (CSA) remain controversial. Objective- To analyze the CSA and force output of quadriceps and hamstring muscles in subjects following either an Objective Criteria-Based rehabilitation (OCBR) algorithm or the usual care (UCR) for ACL rehabilitation in Spain, before and one year after undergoing an ACLR...
December 19, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27986989/cyclops-lesions-detected-by-mri-are-frequent-findings-after-acl-surgical-reconstruction-but-do-not-impact-clinical-outcome-over-2%C3%A2-years
#18
Luca Facchetti, Benedikt J Schwaiger, Alexandra S Gersing, Julio Brandao Guimaraes, Lorenzo Nardo, Sharmila Majumdar, Benjamin C Ma, Thomas M Link, Xiaojuan Li
OBJECTIVES: To assess the impact of cyclops lesions with MRI in patients treated for anterior cruciate ligament (ACL) tears on clinical outcome. METHODS: In 113 patients (age 29.8 ± 10.5y; 55 females; BMI 24.8 ± 3.7 kg/m(2)) with complete ACL tear, 3 T-MRI scans were obtained before, 6-months, 1-year (n = 75) and 2-years (n = 33) after ACL reconstruction. Presence and volume of cyclops lesions were assessed. Clinical outcomes were measured using the Knee injury and Osteoarthritis Outcome Score (KOOS) and differences between time points (∆KOOS) were calculated...
December 16, 2016: European Radiology
https://www.readbyqxmd.com/read/27928547/relationship-of-acl-injury-and-posterior-tibial-slope-with-patient-age-sex-and-race
#19
Alana Waiwaiole, Ajay Gurbani, Kambiz Motamedi, Leanne Seeger, Myung Shin Sim, Patricia Nwajuaku, Sharon L Hame
BACKGROUND: Posterior tibial slope (PTS) has been proposed as a potential risk factor for anterior cruciate ligament (ACL) injury; however, studies that have examined this relationship have provided inconclusive and sometimes contradictory results. Further characterization of this relationship may enable the medical community to identify individuals at greater risk for ACL injury and possibly characterize an anatomic target during surgical reconstruction. PURPOSE: The primary goal was to investigate the relationship between PTS and ACL injury...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27916577/association-of-fibrosis-in-the-infrapatellar-fat-pad-and-degenerative-cartilage-change-of-patellofemoral-joint-after-anterior-cruciate-ligament-reconstruction
#20
Kyoung Ho Yoon, Dae Hyun Tak, Taeg Su Ko, Sang Eon Park, Juhyun Nam, Sang Hak Lee
BACKGROUND: The purpose of this study was to evaluate the prevalence and risk factor of cartilage degeneration of the patellofemoral joint (PFJ) that was diagnosed by second-look arthroscopy. METHODS: One-hundred and seven patients who underwent ACL reconstruction were evaluated by preoperative MRI, postoperative MRI and second-look arthroscopy. Severity of infrapatellar fat pad (IPFP) fibrosis was evaluated by MRI at an average of 26months after ACL reconstruction...
December 1, 2016: Knee
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