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patellofemoral pain

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https://www.readbyqxmd.com/read/28220190/open-wedge-high-tibial-osteotomy-versus-unicompartmental-knee-arthroplasty-no-difference-in-progression-of-patellofemoral-joint-arthritis
#1
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...
February 20, 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
#2
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
#3
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
#4
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
#5
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
https://www.readbyqxmd.com/read/28210036/a-study-on-muscle-activity-and-ratio-of-the-knee-extensor-depending-on-the-types-of-squat-exercise
#6
Jeong-Il Kang, Joon-Su Park, Hyun Choi, Dae-Keun Jeong, Hye-Min Kwon, Young-Jun Moon
[Purpose] For preventing the patellofemoral pain syndrome, this study aims to suggest a proper squat method, which presents selective muscle activity of Vastus Medialis Oblique and muscle activity ratios of Vastus Medialis Oblique/Vastus Lateralis by applying squat that is a representative weight bearing exercise method in various ways depending on the surface conditions and knee bending angles. [Subjects and Methods] An isometric squat that was accompanied by hip adduction, depending on the surface condition and the knee joint flexion angle, was performed by 24 healthy students...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28174434/comparative-evaluation-of-ambulation-patterns-and-isokinetic-muscle-strength-for-the-application-of-rehabilitation-exercise-in-patients-with-patellofemoral-pain-syndrome
#7
Soonyoung Kim
[Purpose] The aim of this study was to evaluate the differences in the ambulation patterns and knee joint performance between people with and without patellofemoral pain. The present study also aimed to utilize these results as a basis for the development of pain-alleviating and performance-improving treatment programs. [Subjects and Methods] Subjects consisted of 32 adult females diagnosed with patellofemoral pain syndrome and 25 adult females without patellofemoral pain (controls). Contact ratio patterns during ambulation and isokinetic muscle strength around the knee joint were measured in both groups and then compared...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28171780/people-s-beliefs-about-the-meaning-of-crepitus-in-patellofemoral-pain-and-the-impact-of-these-beliefs-on-their-behaviour-a-qualitative-study
#8
Claire J Robertson, Michael Hurley, Fiona Jones
BACKGROUND: A feature of patellofemoral pain is joint crepitus. Several causes of crepitus have been described, but previous research has focused on the pathological meaning of crepitus. No research has demonstrated a definitive link between noise and pathology and its importance and meaning to patients is unresearched. OBJECTIVE: To explore the beliefs of patients with non-osteoarthritic patellofemoral pain regarding their crepitus, and how this impacts on their behaviour...
February 2, 2017: Musculoskelet Sci Pract
https://www.readbyqxmd.com/read/28167183/foot-exercise-and-taping-in-patients-with-patellofemoral-pain-and-pronated-foot
#9
Jihyun Lee, Jangwhon Yoon, Heonseock Cynn
This study compared the effect of three foot conditions (untreated, short foot [SF] exercise, and Tape) on knee and ankle muscle activity during forward descending of stairs in subjects with patellofemoral pain syndrome (PFPS) and a pronated foot. Surface electromyography activities in the vastus medialis oblique (VMO), vastus lateralis (VL), and abductor hallucis (AbdH) were recorded during forward descending stairs; Surface electromyography data were expressed as percentages of the maximal voluntary isometric contraction...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28165605/rotational-alignment-of-the-knee-is-different-in-osteological-specimens-with-and-without-a-large-cam-deformity-of-the-proximal-femur
#10
Jeremy J Gebhart, Jonathan J Streit, Avi Goodman, Jordan Etscheidt, Douglas S Weinberg, Asheesh Bedi, Shane J Nho, Michael J Salata
PURPOSE: We studied a large osteological collection for differences in knee rotation based upon the presence or absence of a large cam deformity of the proximal femur. METHODS: We obtained 357 matched tibiae and femora from the Hamann-Todd Osteological Collection and measured: femoral head-neck alpha angle, anteroposterior axis (or Whiteside's line) at the distal femur relative to the posterior condylar axis, and position of the tibial tubercle with respect to the posterior condylar axis of the proximal tibia...
February 2, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28159566/a-systematic-review-of-self-administered-questionnaires-for-the-functional-assessment-of-patients-with-knee-disabilities-adapted-into-spanish
#11
S Gómez-Valero, F García-Pérez, M T Flórez-García, J C Miangolarra-Page
OBJECTIVE: The aim of this study was to conduct a systematic review of self-administered knee-disability functional assessment questionnaires adapted to Spanish, analysing the quality of the transcultural adaptation procedure and the psychometric properties of the new version. MATERIAL AND METHODS: A search was conducted in the main biomedical databases to find knee-function assessment scales adapted into Spanish, in order to assess their questionnaire adaptation process as well as their psychometric properties...
January 31, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28157077/altered-hip-mechanics-and-patellofemoral-pain-a-review-of-literature
#12
Gholamhassan Mirzaie, Mehrnaz Kajbafvala, Abbas Rahimi, Farideh Dehghan Manshadi, Khosro Khademi Kalantari
Patellofemoral pain (PFP) is a common knee disorder in orthopedic clinics. In the last decade, several investigations have considered the role of proximal factors in addition to local and distal factors in development of PFP. There is a hypothesis which suggests that impaired neuromuscular control and altered hip joint kinematic affect tibiofemoral and patellofemoral biomechanics. Hence, PFP may develop as a result. This article reviews studies assessing the relationship between altered hip mechanics and PFP...
May 5, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28144716/bicompartmental-individualized-knee-replacement-use-of-patient-specific-implants-and-instruments-iduo%C3%A2
#13
A F Steinert, J Beckmann, B M Holzapfel, M Rudert, J Arnholdt
OBJECTIVE: Bicompartmental knee replacement in patients with combined osteoarthritis (OA) of the medial or lateral and patellofemoral compartment. Patient-specific instruments and implants (ConforMIS iDuo™) with a planning protocol for optimal implant fit. INDICATIONS: Bicompartmental OA of the knee (Kellgren & Lawrence stage IV) affecting both the medial or lateral and patellofemoral compartment after unsuccessful conservative or joint-preserving surgery. CONTRAINDICATIONS: Tricompartmental OA, knee ligament instabilities, knee deformities >15° (varus, valgus, extension deficit)...
February 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28140673/lower-extremity-and-spine-characteristics-in-young-dancers-with-and-without-patellofemoral-pain
#14
Nili Steinberg, Shay Tenenbaum, Israel Hershkovitz, Aviva Zeev, Itzhak Siev-Ner
Very little is known about patellofemoral pain syndrome (PPFS) among young dancers. Understanding the mechanism of the injury and implementing a preventative programme are important in order to minimize the risk of PFPS. The aim of the current study is to determine the extent to which factors such as lower extremity and back characteristics are common among dancers with PFPS. The study population included 271 dancers with PFPS and 271 non-injured dancers, aged 10-16 years. All dancers were screened for morphometric profile, dance discipline (h/week), anatomical anomalies (present/absent of scoliosis, genu valgus/varum, etc...
January 31, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28138717/-patellofemoral-arthroplasty
#15
M Cotic, P Forkel, A B Imhoff
OBJECTIVE: Isolated resurfacing of the trochlea using an inlay prosthesis without changing the complex kinematics of the patellofemoral joint. INDICATIONS: Symptomatic, isolated patellofemoral osteoarthritis or isolated osteochondral lesions, failed conservative and cartilage regeneration procedures. No or concurrently corrected ligament instability, tibiofemoral and patellofemoral malalignment. CONTRAINDICATIONS: Symptomatic patellofemoral osteoarthritis, inflammatory joint disease, chondrocalcinosis, chronic pain syndromes, active infections or knee ankylosis...
February 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28138341/the-foot-orthoses-versus-hip-exercises-fohx-trial-for-patellofemoral-pain-a-protocol-for-a-randomized-clinical-trial-to-determine-if-foot-mobility-is-associated-with-better-outcomes-from-foot-orthoses
#16
Mark Matthews, Michael Skovdal Rathleff, Andrew Claus, Tom McPoil, Robert Nee, Kay Crossley, Jessica Kasza, Sanjoy Paul, Rebecca Mellor, Bill Vicenzino
BACKGROUND: Patellofemoral pain (PFP) is a prevalent, often recalcitrant and multifactorial knee pain condition. One method to optimize treatment outcome is to tailor treatments to the patient's presenting characteristics. Foot orthoses and hip exercises are two such treatments for PFP with proven efficacy yet target different ends of the lower limb with different proposed mechanisms of effect. These treatments have not been compared head-to-head, so there is a dearth of evidence for which to use clinically...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28092813/walking-mechanics-for-patellofemoral-pain-subjects-with-similar-self-reported-pain-levels-can-differ-based-upon-neuromuscular-activation
#17
Matthew K Seeley, S Jun Son, Hyunsoo Kim, J Ty Hopkins
Patellofemoral pain (PFP) is often studied on subjects who are classified using only self-reported data. Neuromuscular activation influences movement mechanics for PFP subjects, but is not likely to be self-reported. We compared lower-extremity mechanics, during a common movement (walking), between two subdivisions of a group of PFP subjects that were similar, based on common self-report tools, but different, based on a common objective measure of quadriceps activation. Our intent was to highlight the importance of objectively considering neuromuscular activation when researching PFP movement mechanics...
January 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#18
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28087412/pain-prediction-by-serum-biomarkers-of-bone-turnover-in-people-with-knee-osteoarthritis-an-observational-study-of-tracp5b-and-cathepsin-k-in-oa
#19
L N Nwosu, M Allen, L Wyatt, J L Huebner, V Chapman, D A Walsh, V B Kraus
OBJECTIVES: To investigate serum biomarkers, tartrate resistant acid phosphatase 5b (TRAcP5b) and cathepsin K (cath-K), indicative of osteoclastic bone resorption, and their relationship to pain and pain change in knee osteoarthritis (OA). METHODS: Sera and clinical data were collected from 129 people (97 with 3-year follow-up) with knee OA from the Prediction of Osteoarthritis Progression (POP) cohort. Knee OA-related outcomes in POP included: WOMAC pain, National Health and Nutrition Examination Survey (NHANES) I (pain, aching and stiffness), subchondral sclerosis, and radiographically determined tibiofemoral and patellofemoral OA...
January 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28056523/the-tibial-tubercle-trochlear-groove-distance-is-greater-in-patients-with-patellofemoral-pain
#20
Victor R Carlson, Barry P Boden, Aricia Shen, Jennifer N Jackson, Lawrence Yao, Frances T Sheehan
BACKGROUND: The distance between the tibial tubercle (TT) and trochlear groove (TT-TG distance) is known to be greater in patients with patellar instability. However, the potential role and prevalence of pathological TT-TG distances in a large cohort of skeletally mature patients with isolated patellofemoral pain (PFP) are not clear. PURPOSE: To determine if the mean TT-TG distance is greater in patients with PFP, who lack a history of patellar dislocations, knee trauma, or osteoarthritis, relative to healthy controls...
December 1, 2016: American Journal of Sports Medicine
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