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Anterior knee pain

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https://www.readbyqxmd.com/read/27904794/pain-function-and-strength-outcomes-for-males-and-females-with-patellofemoral-pain-who-participate-in-either-a-hip-core-or-knee-based-rehabilitation-program
#1
Lori A Bolgla, Jennifer Earl-Boehm, Carolyn Emery, Karrie Hamstra-Wright, Reed Ferber
BACKGROUND: Hip exercise has been recommended for females with patellofemoral pain (PFP). It is unknown if males with PFP will benefit from a similar treatment strategy. HYPOTHESES/PURPOSE: The purpose of this study was to compare improvements in pain, function, and strength between males and females with PFP who participated in either a hip/core or knee rehabilitation program. The directional hypothesis was that females would respond more favorably to the hip/core rehabilitation program and males to the knee program...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27900338/the-bridge-enhanced-anterior-cruciate-ligament-repair-bear-procedure-an-early-feasibility-cohort-study
#2
Martha M Murray, Brett M Flutie, Leslie A Kalish, Kirsten Ecklund, Braden C Fleming, Benedikt L Proffen, Lyle J Micheli
BACKGROUND: This study assessed the safety of the newly developed bridge-enhanced anterior cruciate ligament (ACL) repair (BEAR), which involves suture repair of the ligament combined with a bioactive scaffold to bridge the gap between the torn ligament ends. As the intra-articular environment is complex in its response to implanted materials, this study was designed to determine whether there would be a significant rate of adverse reaction to the implanted scaffold. HYPOTHESIS: The primary hypothesis was that the implanted scaffold would not result in a deep joint infection (arthrocentesis with positive culture) or significant inflammation (clinical symptoms justifying arthrocentesis but negative culture)...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27894178/comparison-of-radiological-parameters-between-normal-and-patellar-dislocation-groups-in-korean-population-a-rotational-profile-ct-based-study
#3
Jatin Prakash, Jong-Keun Seon, Seong-Hwan Woo, Cheng Jin, Eun-Kyoo Song
Purpose: Patellofemoral instability is a common cause of anterior knee pain in adolescents and young adults. Most normal and pathological values for diagnosing patellofemoral instability are based on Western literature. We conducted this radiological study to determine normal values for different patellofemoral parameters in a Korean population and to evaluate their usefulness in diagnosis. Materials and Methods: We retrospectively reviewed the rotational profile computerized tomography (CT) scans of the patellar dislocation and control groups...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27886678/role-of-patellofemoral-offset-in-total-knee-arthroplasty-a-randomized-trial
#4
REVIEW
Louis S Stryker, Susan M Odum, Bryan D Springer, Thomas K Fehring
Total knee arthroplasty occasionally does not meet expectations. This randomized clinical trial assessed the effect of restoration of the native patellofemoral height on clinical outcomes. Group I underwent standard patellar bone resection; group II underwent modified patellar bone resection that adjusted the amount of anterior condylar bone removed and the anterior flange thickness. There were no differences in anterior knee pain, Western Ontario and McMaster Universities Arthritis Index scores, or Knee Injury and Osteoarthritis Outcome Score scores...
January 2017: Orthopedic Clinics of North America
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
#5
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/27876459/local-and-widespread-hyperalgesia-in-female-runners-with-patellofemoral-pain-are-influenced-by-running-volume
#6
Marcella Ferraz Pazzinatto, Danilo de Oliveira Silva, Juliana Pradela, Maira Bergamaschi Coura, Christian Barton, Fábio Mícolis de Azevedo
OBJECTIVES: To compare pressure pain threshold (PPT) around the knee (local hyperalgesia) and at a site remote to the knee (widespread hyperalgesia) between female runners with and without patellofemoral pain (PFP); and to evaluate the relationship between running volume, self-reported knee function and PPT measures. DESIGN: Cross-sectional study. METHODS: Twenty female runners with PFP and twenty pain-free female runners participated in the study...
November 11, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27876283/importance-of-trabecular-anisotropy-in-finite-element-predictions-of-patellar-strain-after-total-knee-arthroplasty
#7
A Latypova, D P Pioletti, A Terrier
Patellar fracture and anterior knee pain remain major complications after Total Knee Arthroplasty (TKA). Patient-specific finite element (FE) models should help improve understanding of these complications through estimation of joint and bone mechanics. However, sensitivity of predictions on modeling techniques and approaches is not fully investigated. In particular, the importance of patellar bone anisotropy, usually omitted in FE models, on strain prediction is still unknown. The objective of this study was thus to estimate the influence of modeling patellar trabecular anisotropy on prediction of patellar strain in TKA models...
November 18, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27871591/continuous-intra-articular-local-anesthetic-drug-instillation-versus-discontinuous-sciatic-nerve-block-after-total-knee-arthroplasty
#8
Johannes Cip, Hedwig Erb-Linzmeier, Peter Stadlbauer, Christian Bach, Arno Martin, Reinhard Germann
STUDY OBJECTIVE: Sciatic nerve block (SNB) is commonly used as adjunct to femoralis nerve block (FNB) to achieve high-quality pain relief after total knee arthroplasty (TKA). However, this combination is associated with considerable muscle weakness, foot drop and surgically related nerve injuries may be masked. The purpose of this study was to assess whether low risk continuous intra-articular anesthetic drug instillation is an adequate alternative to SNB when adding to FNB after TKA...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27858240/return-of-motor-evoked-potentials-after-knee-flexion-in-the-setting-of-high-grade-spondylolisthesis
#9
Justin Tilan, Lindsay M Andras, Mark D Krieger, David L Skaggs
PURPOSE: To present a case of loss of motor-evoked potentials (MEPs) to the left foot in the supine position after a partial reduction and instrumented fusion from L4 to pelvis which was managed successfully without revision or removal of implants. METHODS: We report a patient with high-grade spondylolisthesis who demonstrated loss of motor-evoked potentials after posterior spinal fusion and transfer to supine position. The patient's knees were flexed to 90° and signals were immediately restored...
November 17, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27852298/assessment-of-subchondral-bone-marrow-lesions-in-knee-osteoarthritis-by-mri-a-comparison-of-fluid-sensitive-and-contrast-enhanced-sequences
#10
Flemming K Nielsen, Niels Egund, Anette Jørgensen, David A Peters, Anne Grethe Jurik
BACKGROUND: Bone marrow lesions (BMLs) in knee osteoarthritis (OA) can be assessed using fluid sensitive and contrast enhanced sequences. The association between BMLs and symptoms has been investigated in several studies but only using fluid sensitive sequences. Our aims were to assess BMLs by contrast enhanced MRI sequences in comparison with a fluid sensitive STIR sequence using two different segmentation methods and to analyze the association between the MR findings and disability and pain...
November 16, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27847840/the-effect-of-patellofemoral-pain-syndrome-on-gait-parameters-a-literature-review
#11
REVIEW
Mokhtar Arazpour, Fateme Bahramian, Atefeh Abutorabi, Seyed Taghi Nourbakhsh, Ardeshir Alidousti, Hamidreza Aslani
Patellofemoral pain syndrome (PFPS) is one of the most frequent causes of anterior knee pain in adolescents and adults. This disorder can have a big effect on patients' ability and quality of life and gait. This review included all articles published during 1990 to 2016. An extensive literature search was performed in databases of Science Direct, Google Scholar, PubMed and ISI Web of Knowledge using OR, AND, NOT between the selected keywords. Finally, 16 articles were selected from final evaluation. In PFPS subjects, there was lower gait velocity, decreased cadence, and reduced knee extensor moment in the loading response and terminal stance, delayed peak rear foot eversion during gait and greater hip adduction compared to healthy subjects, while for hip rotation, there was controversy in studies...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27844041/chondral-lesions-in-the-patellofemoral-joint-in-mri-intra-individual-comparison-of-short-tau-inversion-recovery-sequence-stir-with-2d-multiple-echo-data-image-combination-sequence-medic
#12
Boris Bodelle, Wolfgang Luboldt, Julian L Wichmann, Sebastian Fischer, Thomas J Vogl, Martin Beeres
PURPOSE: To determine the value of the 2D multiple-echo data image combination (MEDIC) sequence relative to the short-tau inversion recovery (STIR) sequence regarding the depiction of chondral lesions in the patellofemoral joint. MATERIALS AND METHODS: During a period of 6 month patients with acute pain at the anterior aspect of the knee, joint effusion and suspected chondral lesion defect in the patellofemoral joint underwent MRI including axial MEDIC and STIR imaging...
2016: European Journal of Radiology Open
https://www.readbyqxmd.com/read/27842953/corrigendum-to-pain-evaluation-after-all-inside-anterior-cruciate-ligament-reconstruction-and-short-term-functional-results-of-a-prospective-randomized-study-knee-21-2014-102-106
#13
Horea Benea, Henri d'Astorg, Shahnaz Klouche, Thomas Bauer, Gheorghe Tomoaia, Philippe Hardy
No abstract text is available yet for this article.
November 11, 2016: Knee
https://www.readbyqxmd.com/read/27836693/should-the-position-of-the-patellar-component-replicate-the-vertical-median-ridge-of-the-native-patella
#14
Rae Hyeong Lee, Hae Won Jeong, Jin Kyu Lee, Choong Hyeok Choi
BACKGROUND: In total knee arthroplasty (TKA), the position of the patellar component can affect patellar tracking. However, the patellar component cannot always replicate the original high point of the patella because of anatomical variance. This study investigated whether altering the highest point of the patella can affect outcomes of primary TKA, especially in patients having a patella with a far-medialized median ridge. METHODS: A retrospective review was performed for 177 knees (143 patients) treated with primary TKA between July 2011 and March 2014...
November 8, 2016: Knee
https://www.readbyqxmd.com/read/27826403/the-effect-of-increasing-volume-of-exercise-on-activation-pattern-of-vastus-medialis-and-lateralis-and-its-correlation-with-anterior-knee-pain-in-karate-elites
#15
Afsaneh Safar Cherati, Sara Lotfian, Aliashraf Jamshidi, Mohammad Ali Sanjari, Mohammad Razi
BACKGROUND: The effects of exercise volume on the pattern of muscle activity is one of the most important factors in training management and injury risk reduction. In the lower limb, the quadriceps muscle which plays a determining role in performing the stance and other karate techniques could be injured in intensive exercise and may induce anterior knee pain in athletes. OBJECTIVES: The aim of this study was to determine the relationship between training volume and muscle activity of vastus medialis and vastus lateralis and its association with anterior knee pain in karate elites...
September 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/27818986/anterior-avulsion-fracture-of-the-tibial-tuberosity-in-adolescents-two-case-reports
#16
Aleilimar Teixeira da Silva Júnior, Leonardo Jorge da Silva, Ulbiramar Correia da Silva Filho, Edmundo Medeiros Teixeira, Helder Rocha Silva Araújo, Frederico Barra de Moraes
The objective here was to report two rare cases of anterior avulsion fracture of the tibial tuberosity in adolescents. Case 1 was a 15-year-old male who became injured through landing on his left knee and presented limited extension. Case 2 was a 16-year-old basketball player who presented sudden pain in the right knee and functional incapacity, after a jump. Imaging examinations (radiographs and computed tomography) showed anterior avulsion fractures of the tibial tuberosity. Surgical fixation was performed using screws and anchors, while avoiding growth plate injury...
September 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27814865/the-effect-of-adding-myofascial-techniques-to-an-exercise-programme-for-patients-with-anterior-knee-pain
#17
Gustavo Telles, Delmany R Cristovão, Fabiana Azevedo Terra Cunha Belache, Mariana Rezende Araujo Santos, Renato Santos de Almeida, Leandro Alberto Calazans Nogueira
Anterior knee pain is a common complaint and can cause difficulty with its inability to bear weight. The aim of the study was to analyse the effect of adding myofascial techniques to an exercise programme for patients with anterior knee pain. A clinical trial with 18 patients with a clinical diagnosis of anterior knee pain was conducted. One group (E) with nine individuals was treated with hip muscle strengthening exercises; another group (EM), with nine individuals, had myofascial techniques added. To quantify the results, the Numeric Pain Rating Scale (NPRS) and the Lower Extremity Functional Scale (LEFS) were used...
October 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27811513/patellofemoral-pain-and-instability-in-adolescent-athletes
#18
Matthew Bessette, Paul Saluan
Injuries and disorders of the patellofemoral joint in the adolescent athlete can encompass a wide spectrum of symptomatology and pathology. Anterior knee pain is a common presenting symptom in sports medicine clinics, and can have numerous underlying etiologies. This activity-related pain may be the manifestation of enthesopathy, tendinopathy, fat pad impingement, or numerous other conditions, but is more commonly related to more subtle skeletal and muscular imbalances. Treatment is typically nonoperative in nature, and excellent results are reported with physical therapy...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27810431/clinical-results-after-treatment-for-bidirectional-patellar-subluxation-minimum-2-years-follow-up
#19
Michael Saper, Candice Brady, Robert Zondervan, David Shneider
BACKGROUND: We describe the preliminary clinical results of a patellar stabilization technique to treat bidirectional patellar subluxation (BPS). METHODS: Patients: six patients (one male, five females; mean age 30.2years) underwent this procedure with a minimum of 24months follow-up. Patients were assessed for clinical instability, patellar complications, and need for revision surgery. Patient functional outcomes were evaluated using the criteria of Crosby and Insall and the Kujala Anterior Knee Pain Scale at the time of final follow-up...
October 31, 2016: Knee
https://www.readbyqxmd.com/read/27802963/does-the-chronicity-of-anterior-cruciate-ligament-ruptures-influence-patient-reported-outcomes-before-surgery
#20
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
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