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patellofemoral pain

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https://www.readbyqxmd.com/read/29456980/effect-of-patellar-electrocautery-neurectomy-on-postoperative-pain-among-patients-referred-for-total-knee-arthroplasty
#1
Mehdi Motififard, Khalilollah Nazem, Aida Zarfeshani, Kaveh Zarfeshani
Background: Anterior knee pain is a major problem in total knee arthroplasty (TKA). It is accepted that anterior knee pain (AKP) often contributes to a patellofemoral etiology; however, its etiology or treatment is not understood completely. Disabling pain receptors by electrocautery could theoretically lead to anterior knee area denervation. The present study aimed to evaluate the pain post-patellar denervation (PD) with electrocautery in TKA. Materials and Methods: Clinical results for 92 patients who underwent TKA (58 women, 34 men; mean age 67...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29438603/from-early-radiographic-knee-osteoarthritis-to-joint-arthroplasty-determinants-of-structural-progression-and-symptoms
#2
Frank W Roemer, C Kent Kwoh, Tomoko Fujii, Michael J Hannon, Robert M Boudreau, David J Hunter, Felix Eckstein, Markus R John, Ali Guermazi
OBJECTIVE: Aims were to assess (1) structural progression in knees with no/mild radiographic osteoarthritis (ROA) (i.e. Kellgren-Lawrence (K-L) grades 0 to 2) that will undergo knee replacement (KR) during a 5-year period; (2) differences in structural damage on MRI between knees with no/mild ROA vs. those with severe ROA (i.e. K-L 3 and 4) at baseline; and (3) differences in pain levels between those groups. METHODS: All participants who underwent KR from baseline (BL) to 60 months were drawn from the Osteoarthritis Initiative...
February 13, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29432721/vastus-lateralis-motor-unit-firing-rate-is-higher-in-females-with-patellofemoral-pain
#3
Alessio Gallina, Michael A Hunt, Paul Hodges, S Jayne Garland
OBJECTIVE: To compare neural drive, determined from motor unit firing rate, to the vastus medialis and lateralis in females with and without patellofemoral pain. DESIGN: Cross-sectional study. SETTING: University research laboratory. PARTICIPANTS: Females (N=56) 19-35 years old, 36 with patellofemoral pain and 20 controls. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE(S): Participants sustained an isometric knee extension contraction at 10% of their maximal voluntary effort for 70s...
February 9, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29428687/changes-in-patellofemoral-pain-resulting-from-repetitive-impact-landings-are-associated-with-the-magnitude-and-rate-of-patellofemoral-joint-loading
#4
Lee T Atkins, C Roger James, Hyung Suk Yang, Phillip S Sizer, Jean-Michel Brismée, Steven F Sawyer, Christopher M Powers
BACKGROUND: Although a relationship between elevated patellofemoral forces and pain has been proposed, it is unknown which joint loading variable (magnitude, rate) is best associated with pain changes. The purpose of this study was to examine associations among patellofemoral joint loading variables and changes in patellofemoral pain across repeated single limb landings. METHODS: Thirty-one females (age: 23.5(2.8) year; height: 166.8(5.8) cm; mass: 59.6(8.1) kg) with PFP performed 5 landing trials from 0...
February 7, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29424178/-reconstruction-of-medial-patellofemoral-ligament-with-transposition-of-great-adductor-muscular-tendon-for-the-treatment-of-teenagers-recurrent-patellar-dislocation
#5
Chuan-Qiang Shao, Chang-Chun Chen, Chun-Cheng Zhao, Hong-Mei Yang, Yan-Zhong Kang
OBJECTIVE: To investigate surgical method and clinical curative effects of medial patellofemoral ligament (MPFL) reconstruction with great adductor muscular tendon in treating teenagers' recurrent patellar dislocation. METHODS: From May 2012 to September 2014, 19 patients with recurrent dislocation of patellar, including 6 males and 13 females with an average of 16 years old (ranged from 13 to 17 years), the courses of disease ranged from 3 to 18 months(averaged 6 months)...
June 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29424164/-research-progress-on-the-etiology-and-treatment-of-patellofemoral-pain-syndrome
#6
REVIEW
Li-Hua Cui
Patellofemoral pain syndrome (PFPS) is one of the most common diseases that cause pain in the knee joint. At present, there is no specific diagnostic measure. The diagnosis of patellofemoral pain syndrome may be considered when imaging is performed without cartilage, ligament and soft tissue injuries. The etiology includes abnormalities of the patellar motion caused by various anatomical abnormalities, such as abnormal patellar position, increased Q angle, and excessive valgus foot. Dysfunction of the lower extremity muscles such as the imbalance of the four biceps and the dysfunction of the gluteal muscles also play an important role in the development of patellofemoral pain syndrome...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29421838/knee-pain-and-the-use-of-various-types-of-footwear-a-review
#7
Morad Chugthai, Jared M Newman, Samuel Akil, Anton Khlopas, Assem A Sultan, Nipun Sodhi, Anil Bhave, Steven F Harwin, Michael A Mont
Knee pain is a highly prevalent condition in the United States with multiple etiologies, with two of the most common sources being osteoarthritis (OA) and patellofemoral pain (PFP). These conditions can lead to reduced physical function and a poor quality of life. Various modalities have been used to decrease the amount of knee pain that individuals' experience; however, they are not always successful and can be expensive. Several studies have reported on specialized footwear for symptomatic alleviation of conditions that affect the knee, this is because it has been theorized that certain footwear can alter the forces placed by muscles on lower-extremity joints, and can potentially alleviate pain by reducing the load placed on the joint...
February 8, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29419685/the-adaptive-change-of-patellofemoral-joint-after-arthroscopic-discoid-lateral-meniscus-plasty-an-observational-study
#8
Jiangtao Dong, Hongtao Xu, Guorong Jin, Dongmei Xin, Jian Zhang, Kai Kang, Shijun Gao, Baicheng Chen, Yong Shen
The purpose of this study was to investigate the patellofemoral joint adaptive changes after discoid lateral meniscus (DLM) plasty.Forty-one patients with unilateral complete type DLM tears were included in this study. Demographic variables, including gender, age, body mass index (BMI), injury to operation interval, type of injury, and follow-up time, were recorded. The evolution of physical examination, imaging index, and functional score were analyzed by Chi-squared test, Wilcoxon signed ranks test, and Friedman test...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29396963/cartilage-restoration-microfracture-and-osteochondral-autograft-transplantation
#9
Michael L Redondo, Adam J Beer, Adam B Yanke
The treatment of patellofemoral cartilage defects presents several distinct challenges when compared with cartilage restoration techniques used for other compartments of the knee due to the unique anatomy and distribution of forces. The etiologies of patellofemoral articular cartilage lesions include acute traumatic instability injuries, such as dislocation and subluxation, osteochondritis dissecans, and chronic degenerative changes. Regardless of the etiology, untreated patellofemoral cartilage lesions can contribute to activity-limiting anterior knee pain...
February 2, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29395632/predictors-of-clinical-success-in-runners-with-patellofemoral-pain-secondary-analyses-of-a-randomized-clinical-trial
#10
Jean-Francois Esculier, Laurent J Bouyer, Blaise Dubois, Jean Leblond, Mélanie Brisson, Luc Chau, Jean-Sébastien Roy
OBJECTIVES: To identify predictors of outcome to a rehabilitation program focused on education and management of training loads in runners with patellofemoral pain (PFP). DESIGN: Secondary analyses of a randomized clinical trial. METHODS: Fifty-eight runners with PFP (62% female, aged 31.2±6.6years, running 20.3±5.6km/week) were included in analyses. Following baseline collection of demographics, anthropometry, symptomatology, isometric strength, running mechanics and radiological data, runners were randomized to one of the three 8-week intervention program: (1) Education on symptoms management and training modifications; (2) Education+Exercise program; (3) Education+Gait retraining...
January 27, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29395552/patellofemoral-cartilage-lesions-treated-with-particulated-juvenile-allograft-cartilage-a-prospective-study-with-minimum-2-year-clinical-and-magnetic-resonance-imaging-outcomes
#11
Tim Wang, Nicole S Belkin, Alissa J Burge, Brenda Chang, Mollyann Pais, Gregory Mahony, Riley J Williams
PURPOSE: To analyze the functional outcomes of patients treated with particulated juvenile articular cartilage (PJAC) for symptomatic articular cartilage lesions in the patellofemoral joint, correlates clinical outcomes with magnetic resonance imaging (MRI) appearance of the repair tissue using cartilage-sensitive quantitative T2-mapping. METHODS: All patients treated with PJAC for patellofemoral lesions were identified and prospectively followed with clinical outcome scores (International Knee Documentation Committee [IKDC], Knee Outcome Survey-Activities of Daily Living [KOS-ADL], and Marx Activity Scale [MAS])...
January 29, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29392329/effectiveness-of-conservative-treatment-for-patellofemoral-pain-syndrome-a-systematic-review-and-meta-analysis
#12
Mikhail Saltychev, Rebecca A Dutton, Katri Laimi, Gary S Beaupré, Petri Virolainen, Michael Fredericson
OBJECTIVE: To evaluate the evidence regarding the effectiveness of conservative treatment in reducing patellofemoral pain. DATA SOURCES: CENTRAL, MEDLINE, CINAHL, and PEDro databases. STUDY SELECTION: Adults with patellofemoral pain, randomized controlled trials only, any conservative treatment compared with placebo, sham, other conservative treatment, or no treatment. Two independent reviewers. DATA EXTRACTION: Data were extracted from the full-text of the articles, based on Cochrane Collaboration recommendations...
January 25, 2018: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29387442/effects-of-an-8-week-strength-training-intervention-on-tibiofemoral-joint-loading-during-landing-a-cohort-study
#13
Maike B Czasche, Jon E Goodwin, Anthony M J Bull, Daniel J Cleather
Objectives: To use a musculoskeletal model of the lower limb to evaluate the effect of a strength training intervention on the muscle and joint contact forces experienced by untrained women during landing. Methods: Sixteen untrained women between 18 and 28 years participated in this cohort study, split equally between intervention and control groups. The intervention group trained for 8 weeks targeting improvements in posterior leg strength. The mechanics of bilateral and unilateral drop landings from a 30 cm platform were recorded preintervention and postintervention, as was the isometric strength of the lower limb during a hip extension test...
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29372384/validation-of-the-german-version-of-the-kujala-score-in-patients-with-patellofemoral-instability-a-prospective-multi-centre-study
#14
D Dammerer, M C Liebensteiner, U M Kujala, K Emmanuel, S Kopf, F Dirisamer, J M Giesinger
INTRODUCTION: The Kujala score is the most frequently used questionnaire for patellofemoral disorders like pain, instability or osteoarthritis. Unfortunately, we are not aware of a validated German version of the Kujala score. The aim of our study was the translation and linguistic validation of the Kujala score in German-speaking patients with patella instability and the assessment of its measurement characteristics. MATERIALS AND METHODS: The German Kujala score was developed in several steps of translation...
January 25, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29369174/a-case-report-and-literature-review-on-fabella-syndrome-after-high-tibial-osteotomy
#15
Taehun Kim, Haksun Chung, Hyungmin Lee, Young Choi, Jung-Hwan Son
RATIONALE: The fabella is a normal structure, but is occasionally reported to cause posterior knee pain. The aim of this study was to present fabella syndrome after high tibial osteotomy. PATIENT CONCERNS: A 55-year-old female patient was admitted to the hospital due to about 1 year and 8 months of left knee pain. Sclerosis was observed in the anterior margin of the fabella in the preoperative magnetic resonance (MR) T2 image, and reactive bone marrow was found and was considered to be due to degeneration of the distal femur...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29362797/patellofemoral-pain
#16
Jill Jin, Emily Jones
No abstract text is available yet for this article.
January 23, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29362256/the-experience-of-living-with-patellofemoral-pain-loss-confusion-and-fear-avoidance-a-uk-qualitative-study
#17
Benjamin E Smith, Fiona Moffatt, Paul Hendrick, Marcus Bateman, Michael Skovdal Rathleff, James Selfe, Toby O Smith, Pip Logan
OBJECTIVES: To investigate the experience of living with patellofemoral pain (PFP). DESIGN: Qualitative study design using semistructured interviews and analysed thematically using the guidelines set out by Braun and Clarke. SETTING: A National Health Service physiotherapy clinic within a large UK teaching hospital. PARTICIPANTS: A convenience sample of 10 participants, aged between 18 and 40 years, with a diagnosis of PFP and on a physiotherapy waiting list, prior to starting physiotherapy...
January 23, 2018: BMJ Open
https://www.readbyqxmd.com/read/29354438/osteotomy-of-the-tibial-tubercle-for-anteromedialization
#18
Márcio B Ferrari, George Sanchez, Nicholas I Kennedy, Anthony Sanchez, Katrina Schantz, Matthew T Provencher
Patellofemoral instability is a common cause of anterior knee pain, especially in younger and more active patients. Treatment of instability varies considerably depending on the patient's symptoms as well as the cause of the instability. Lateral instability has a particularly broad spectrum of treatment algorithms including patellar taping, arthroscopy, lateral release, medial patellofemoral ligament (MPFL) reconstruction, MPFL repair, and osteotomy of the tibial tubercle for realignment. Acute traumatic lateral dislocation is commonly associated with a tear of the MPFL and, therefore, needs to be addressed...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349031/modified-elmslie-trillat-procedure-for-distal-realignment-of-patella-tendon
#19
Ricardo Bastos Filho, Alberto Monteiro, Renato Andrade, M J S Fredrick Michael, Nuno Sevivas, Bruno Pereira, André Sarmento, João Espregueira-Mendes
Patellofemoral dysfunction, due to either a patellofemoral malalignment or patellar instability, is a complex and debilitating condition that significantly decreases the knee function. Conservative management may yield significant clinical outcomes; however, when morphologic anomalies are identified, the surgical approach should be employed. Hence, several surgical procedures have been described in the scientific literature aiming the correction of underlying extensor mechanism malalignments. Still, the rate of complications is higher than desirable...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349013/open-wedge-valgus-high-tibial-osteotomy-technique-with-inverted-l-shaped-configuration
#20
Juan C Monllau, Juan I Erquicia, Federico Ibañez, Maximiliano Ibañez, Pablo E Gelber, Angel Masferrer-Pino, Xavier Pelfort
High tibial osteotomy (HTO) is a useful alternative in the treatment of symptomatic varus malalignment. However, among its drawbacks is the tendency to decrease patellar height and increase the posterior tibial slope. The increased tibial slope increases anterior cruciate ligament tension and may compromise its function. On the other hand, patella baja often causes anterior knee pain and, over time, may favor degeneration of the patellofemoral joint. The aim of this study is to describe a technical modification of the standard open-wedge HTO...
December 2017: Arthroscopy Techniques
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