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patellofemoral pain

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https://www.readbyqxmd.com/read/28340623/changes-in-clinical-symptoms-and-functional-disability-in-patients-with-coexisting-patellofemoral-and-tibiofemoral-osteoarthritis-a-1-year-prospective-cohort-study
#1
Hirotaka Iijima, Naoto Fukutani, Takuya Isho, Yuko Yamamoto, Masakazu Hiraoka, Kazuyuki Miyanobu, Masashi Jinnouchi, Eishi Kaneda, Tomoki Aoyama, Hiroshi Kuroki, Shuichi Matsuda
BACKGROUND: This 1-year prospective cohort study aimed to compare the changes in clinical symptoms and functional disability between patients with coexisting patellofemoral (PF) and tibiofemoral (TF) osteoarthritis (OA) and those with isolated TFOA. METHODS: Seventy-two patients with medial knee OA were enrolled. Knee pain and functional disability were assessed at baseline and at 1-year follow-up using the Japanese Knee Osteoarthritis Measure (JKOM) and a visual analog scale (VAS)...
March 24, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28340134/primary-motor-cortex-organization-is-altered-in-persistent-patellofemoral-pain
#2
Maxine Te, Abrahão F Baptista, Lucy S Chipchase, Siobhan M Schabrun
Objective.:  Reorganization of the primary motor cortex (M1) may be a feature of persistent patellofemoral pain (PFP), but no studies have investigated M1 organization in this condition. Here we aimed to examine the organization of the M1 representation of the quadriceps muscles in people with PFP and healthy controls. Design.:  Using a cross-sectional design, the M1 representation of the rectus femoris, vastus lateralis, and vastus medialis was mapped using transcranial magnetic stimulation in 11 individuals with PFP and 11 controls...
March 14, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28330756/femoral-articular-geometry-and-patellofemoral-stability
#3
Farhad Iranpour, Azhar M Merican, Seow Hui Teo, Justin P Cobb, Andrew A Amis
BACKGROUND: Patellofemoral instability is a major cause of anterior knee pain. The aim of this study was to examine how the medial and lateral stability of the patellofemoral joint in the normal knee changes with knee flexion and measure its relationship to differences in femoral trochlear geometry. METHODS: Twelve fresh-frozen cadaveric knees were used. Five components of the quadriceps and the iliotibial band were loaded physiologically with 175N and 30N, respectively...
March 19, 2017: Knee
https://www.readbyqxmd.com/read/28326427/posterior-stabilized-total-knee-arthroplasty-a-matched-pair-analysis-of-a-classic-and-its-evolutional-design
#4
Pier Francesco Indelli, Gennaro Pipino, Paul Johnson, Angelo Graceffa, Massimiliano Marcucci
BACKGROUND: Total knee arthroplasty (TKA) designs continue to be modified to optimize patient's outcome. This study was designed to compare clinical and radiological results of classic worldwide used TKA posterior-stabilized (PS) design to those of its recent evolution. METHODS: A consecutive group of 100 patients undergoing TKA using a classic cemented fixed-bearing PS TKA system was matched by age, gender, body max index to 100 patients having the newer cemented fixed-bearing PS design, both by the same manufacturer...
December 2016: Arthroplast Today
https://www.readbyqxmd.com/read/28320733/the-psychological-features-of-patellofemoral-pain-a-systematic-review
#5
REVIEW
Liam R Maclachlan, Natalie J Collins, Mark L G Matthews, Paul W Hodges, Bill Vicenzino
BACKGROUND: Patellofemoral pain (PFP) is prevalent in adolescence and adulthood and often persists. In contrast to other persistent musculoskeletal conditions, for which non-physical, psychological features are implicated, PFP remains largely conceptualised in mechanical terms. AIMS: To (1) identify whether the psychological characteristics of individuals with PFP differs from asymptomatic controls and (2) evaluate the correlations between psychological characteristics and PFP severity...
March 20, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28320074/diagnostic-performance-of-clinical-examination-measures-and-pain-presentation-to-identify-patellofemoral-joint-osteoarthritis
#6
J J Stefanik, R Duncan, D T Felson, G Peat
OBJECTIVE: Test the diagnostic performance of a comprehensive set of tests and measures to discriminate patellofemoral (PF) from tibiofemoral (TF) osteoarthritis (OA). METHODS: The Clinical Assessment of the Knee Study is a study of knee pain in the general population. The presence of PF crepitus and pain with PF compression were assessed. Anterior knee pain (AKP) was determined from a knee pain map. Pain with stairs and walking on level ground were assessed with the WOMAC...
March 20, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28292715/footwear-characteristics-are-related-to-running-mechanics-in-runners-with-patellofemoral-pain
#7
Jean-Francois Esculier, Blaise Dubois, Laurent J Bouyer, Bradford J McFadyen, Jean-Sébastien Roy
Running footwear is known to influence step rate, foot inclination at foot strike, average vertical loading rate (VLR) and peak patellofemoral joint (PFJ) force. However, the association between the level of minimalism of running shoes and running mechanics, especially with regards to these relevant variables for runners with patellofemoral pain (PFP), has yet to be investigated. The objective of this study was to explore the relationship between the level of minimalism of running shoes and habitual running kinematics and kinetics in runners with PFP...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28280905/clinical-outcomes-after-revision-surgery-for-medial-patellofemoral-ligament-reconstruction
#8
Andreas Chatterton, Torsten Grønbech Nielsen, Ole Gade Sørensen, Martin Lind
PURPOSE: Medial patellofemoral ligament reconstruction (MPFL-R) is the standard surgical intervention for patella instability. However, limited knowledge exists concerning the causes for failure, and outcome after revision MPFL-R. The purpose of this study is to evaluate the causes of primary MPFL-R failure and clinical outcomes after revision MPFL-R. METHODS: Twenty-three patients (6 males and 17 females) with failed primary MPFL-R underwent isolated revision MPFL-R or combined revision MPFL-R with tibial tuberosity osteotomy (TTO)...
March 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28278379/tibial-tuberosity-anteromedialization-for-patellofemoral-chondral-disease
#9
Federica Rosso, Roberto Rossi, Giorgio Governale, Antongiulio Marmotti, Valeria Cherubini, Umberto Cottino, Davide Edoardo Bonasia
BACKGROUND: Tibial tuberosity anteromedialization (TTA) is a well-established treatment option for patellofemoral chondral disease that is resistant to nonoperative treatment. However, the prognostic factors of this procedure are unknown. PURPOSE: To analyze the prognostic factors correlated with the midterm outcomes of TTA for patellofemoral chondral disease and determine the survivorship. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Indications of TTA for chondral disease included skeletal maturity, age <65 years, <grade 3 Kellgren-Lawrence degeneration, and isolated patellofemoral pain for ≥6 months despite nonoperative treatment...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28264631/effects-of-patellofemoral-taping-on-patellofemoral-joint-alignment-and-contact-area-during-weight-bearing
#10
Kai-Yu Ho, Ryan Epstein, Ron Garcia, Nicole Riley, Szu-Ping Lee
Study Design Controlled laboratory study. Background Although it has been theorized that patellofemoral joint (PFJ) taping can correct patellar malalignment, the effects of PFJ taping techniques on patellar alignment and contact area have not yet been studied during weight bearing. Objective To examine the effects of 2 taping approaches (Kinesio and McConnell) on PFJ alignment and contact area. Methods Fourteen female subjects with patellofemoral pain and PFJ malalignment participated. Each subject underwent a pretaping magnetic resonance imaging (MRI) scan session and 2 MRI scan sessions after the application of the 2 taping techniques, which aimed to correct lateral patellar displacement...
February 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28258176/the-patellofemoral-pain-and-osteoarthritis-subscale-of-the-koos-koos-pf-development-and-validation-using-the-cosmin-checklist
#11
Kay M Crossley, Erin M Macri, Sallie M Cowan, Natalie J Collins, Ewa M Roos
BACKGROUND: Patellofemoral pain and osteoarthritis are prevalent and associated with substantial pain and functional impairments. Patient-reported outcome measures (PROMs) are recommended for research and clinical use, but no PROMs are specific for patellofemoral osteoarthritis, and existing PROMs for patellofemoral pain have methodological limitations. This study aimed to develop a new subscale of the Knee injury and Osteoarthritis Outcome Score for patellofemoral pain and osteoarthritis (KOOS-PF), and evaluate its measurement properties...
March 3, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28237612/effects-of-chondroitin-sulfate-on-brain-response-to-painful-stimulation-in-knee-osteoarthritis-patients-a-randomized-double-blind-placebo-controlled-functional-magnetic-resonance-imaging-study
#12
Jordi Monfort, Jesús Pujol, Oren Contreras-Rodríguez, Jone Llorente-Onaindia, Marina López-Solà, Laura Blanco-Hinojo, Josep Vergés, Marta Herrero, Laura Sánchez, Hector Ortiz, Francisco Montañés, Joan Deus, Pere Benito
INTRODUCTION: Knee osteoarthritis is causing pain and functional disability. One of the inherent problems with efficacy assessment of pain medication was the lack of objective pain measurements, but functional magnetic resonance imaging (fMRI) has emerged as a useful means to objectify brain response to painful stimulation. We have investigated the effect of chondroitin sulfate (CS) on brain response to knee painful stimulation in patients with knee osteoarthritis using fMRI. METHODS: Twenty-two patients received CS (800mg/day) and 27 patients placebo, and were assessed at baseline and after 4 months of treatment...
February 22, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28236094/-diseases-and-overuse-injuries-of-the-lower-extremities-in-long-distance-runners
#13
REVIEW
M Tschopp, F Brunner
Running is one of the most popular sports worldwide, with running events attracting hundreds of thousands of runners of all age groups. Running is an effective way to improve health but is also associated with a high risk of injuries. Up to 50% of regular runners report having more than one injury each year. Some injuries are caused by an accident but most are caused by overuse. The most frequent diagnoses are patellofemoral pain syndrome, tibial stress syndrome (shin splint), Achilles tendinopathy, iliotibial band friction syndrome (runner's knee), plantar fasciitis and stress fractures of the metatarsals and tibia...
February 24, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28228894/osteolipoma-of-the-knee
#14
Tien-Phat V Huynh, Cara A Cipriano, Ian S Hagemann, Michael V Friedman
A case of a right knee intra-articular osteolipoma in a 64-year-old man is reported. The patient presented for evaluation of a 1-year history of nontraumatic, mechanically-exacerbated, medial-sided right knee pain. Radiographs demonstrated a partially calcified 3.0 cm mass anterior to the distal medial femur at the suprapatellar fossa. Magnetic resonance imaging examination confirmed a 4.0 × 3.6 cm well-circumscribed mass deep to the medial patellofemoral ligament, with predominantly fat characteristics on T1-weighted and T2-weighted sequences...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28228051/patellar-complications-in-single-versus-double-tunnel-medial-patellofemoral-ligament-reconstruction
#15
Riazuddin Mohammed, Neil Hunt, A J Gibbon
PURPOSE: Hamstring graft fixation on the patellar side during medial patellofemoral ligament (MPFL) reconstruction is usually with transosseous tunnels and can frequently lead to further problems. The aim of our study was to compare and analyse patellar complications in single patellar tunnel versus double tunnel hamstring graft fixation. METHODS: Twenty-nine knees with MPFL reconstructions (group S) in which the hamstring tendon graft was transfixed using a suspensory fixation method in a single tunnel drilled across the patella were analysed in comparison with 29 knees (group D) with interference fixation of the graft through two tunnels drilled up to a predetermined depth in the patella...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28220190/open-wedge-high-tibial-osteotomy-versus-unicompartmental-knee-arthroplasty-no-difference-in-progression-of-patellofemoral-joint-arthritis
#16
Kwang-Jun Oh, Young Chan Kim, Jong Seong Lee, Yong Suk Chang, Gautam M Shetty, Kyung Wook Nha
PURPOSE: The purpose of this retrospective comparative study was to evaluate and compare, radiographically and clinically, progression of osteoarthritis (OA) in the patellofemoral (PF) compartment after open-wedge high tibial osteotomy (OWHTO), and unicompartmental knee arthroplasty (UKA) over a minimum follow-up of 5 years. METHODS: In this study, 42 knees in an OWHTO group were compared with 59 knees in a UKA group in terms of radiographic parameters, such as the grading system for OA progression in the PF compartment, and clinical parameters, such as the PF pain and function scores over a minimum follow-up of 5 years...
March 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28219090/quality-of-life-outcomes-of-patients-following-patellofemoral-stabilization-surgery-the-influence-of-trochlear-dysplasia
#17
Laurie Anne Hiemstra, Sarah Kerslake, Mark R Lafave
Trochlear dysplasia is a well-described risk factor for recurrent patellofemoral instability. Despite its clear association with the incidence of patellofemoral instability, it is unclear whether the presence of high-grade trochlear dysplasia influences clinical outcome after patellofemoral stabilization. The purpose of this study was to assess whether trochlear dysplasia influenced patient-reported, disease-specific outcomes in surgically treated patellar instability patients, when risk factors were addressed in accordance with the à la carte surgical approach to the treatment of patellofemoral instability...
February 20, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28217302/patellofemoral-joint-is-an-under-reported-joint-in-mri-knee-a-retrospective-cross-sectional-study
#18
Arun Khajuria, Amit Shah, Ankur Khajuria, Rajesh Botchu
BACKGROUND: Patellofemoral joint (PFJ) pathology accounts for upto 40% of cases of knee pain. It has been suggested that PFJ pathology may be underreported in Magnetic Resonance Imaging (MRI) Knee reports. The objective of this study was to elucidate whether PFJ was reported in MRI knee reports at our institution. MATERIALS AND METHODS: A retrospective review of 103 consecutive Knee MRIs over a 2-month period was performed by an author, blinded to the reports, at our institution...
March 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28211301/early-results-of-patellofemoral-inlay-resurfacing-arthroplasty-using-the-hemicap-wave-prosthesis
#19
Akash Patel, Zakir Haider, Amarjit Anand, Dominic Spicer
BACKGROUND: Common surgical treatment options for isolated patellofemoral osteoarthritis include arthroscopic procedures, total knee replacement and patellofemoral replacement. The HemiCap Wave patellofemoral resurfacing prosthesis is a novel inlay design introduced in 2009 with scarce published data on its functional outcomes. We aim to prospectively evaluate early functional outcomes and complications, for patients undergoing a novel inlay resurfacing arthroplasty for isolated patellofemoral arthrosis in an independent centre...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28210658/patellar-maltracking-persists-in-adolescent-females-with-patellofemoral-pain-a-longitudinal-study
#20
Victor R Carlson, Barry P Boden, Aricia Shen, Jennifer N Jackson, Katharine E Alter, Frances T Sheehan
BACKGROUND: Patellofemoral pain is one of the most common conditions seen in sports medicine practices, particularly among adolescent females. However, the natural history of the underlying pathology in patellofemoral pain during puberty remains poorly understood. PURPOSE: The purpose of this longitudinal study is to assess changes in patellar maltracking patterns in subjects with patellofemoral pain as they mature from mid- to late adolescence. STUDY DESIGN: Cohort study; Level of evidence, 3...
February 2017: Orthopaedic Journal of Sports Medicine
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