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patellar femoral pain syndrome

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https://www.readbyqxmd.com/read/29303366/current-clinical-radiological-and-treatment-perspectives-of-patellofemoral-pain-syndrome
#1
Aishwarya Gulati, Christopher McElrath, Vibhor Wadhwa, Jay P Shah, Avneesh Chhabra
Anterior knee pain in active young adults is commonly related to patellofemoral (PF) pain syndrome (PFPS), which can be broadly classified into patellar malalignment and patellar maltracking. PFPS can be caused by a host of miserable malalignments, such as excessive femoral antetorsion, tibial varus / external rotation, knee valgus and pes planus. Radiographic, CT and MRI evaluations are commonly obtained to further elucidate the malalignment and maltracking abnormalities and exclude other related differentials, such as lateral meniscus tear, extensor tendon tear, anterior tenosynovial giant cell tumor and plica syndrome...
January 5, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29137665/treatment-for-lateral-patellar-impingement-syndrome-with-arthroscopic-lateral-patelloplasty-a-bidirectional-cohort-study
#2
Tianhao Wu, Shiyu Tang, Fei Wang
BACKGROUND: Anterior knee pain is one of the most common musculoskeletal complaints of young patients. We notice that some patients had normal femoral trochlear, medial and lateral patellar retinaculum, and special patellar morphology, which resulted in a series of symptoms in the flexion of the knee due to the impingement of the lateral articular surface of the patella with the femur. We firstly termed this pathologic process as lateral patellar impingement syndrome (LPIS). This ambispective cohort study was to explore the curative effect of arthroscopic lateral patelloplasty for early LPIS...
November 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29118985/acute-development-of-cushing-syndrome-in-an-hiv-infected-child-on-atazanavir-ritonavir-based-antiretroviral-therapy
#3
Gueorgui Dubrocq, Andrea Estrada, Shannon Kelly, Natella Rakhmanina
An 11-year-old male with perinatally acquired human immune deficiency virus (HIV) infection on antiretroviral regimen, which included abacavir plus lamivudine (Epzicom), didanosine, ritonavir and atazanavir presented with bilateral axillary striae, increased appetite, fatigue, facial swelling and acute weight gain. Two months prior to presentation, the patient had received a diagnostic and therapeutic intra-articular triamcinolone injection in the knee for pain relief and subsequently became progressively swollen in the face, developed striae bilaterally at the axillae, experienced increased appetite, fatigue and an 8 pound weight gain...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27538047/mri-of-lower-extremity-impingement-and-friction-syndromes-in-children
#4
REVIEW
Üstün Aydıngöz, Zeynep Maraş Özdemir, Altan Güneş, Fatma Bilge Ergen
Although generally more common in adults, lower extremity impingement and friction syndromes are also observed in the pediatric age group. Encompassing femoroacetabular impingement, iliopsoas impingement, subspine impingement, and ischiofemoral impingement around the hip; patellar tendon-lateral femoral condyle friction syndrome; iliotibial band friction syndrome; and medial synovial plica syndrome in the knee as well as talocalcaneal impingement on the hindfoot, these syndromes frequently cause pain and may mimic other, and occasionally more ominous, conditions in children...
November 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27284321/treatment-of-patellar-instability-in-a-case-of-hereditary-onycho-osteodysplasia-nail-patella-syndrome-with-medial-patellofemoral-ligament-reconstruction-a-case-report
#5
Yubao Gong, Chen Yang, Yang Liu, Jianguo Liu, Xin Qi
Hereditary onycho-osteodysplasia, also known as nail-patella syndrome (NPS), is a rare genetic disorder that is primarily characterized by poorly developed nails and patella. Patients with NPS frequently suffer from patellar instability that requires surgical management. The present case report describes a 25-year-old man with NPS. The patient presented with left knee pain and was found to have recurrent left patellar dislocation. The knee pain was first reported 1-year after a minor knee trauma incident. Following complete evaluation, a diagnosis of NPS was reached...
June 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/26753637/clinical-application-of-shock-wave-therapy-in-musculoskeletal-disorders-part-ii-related-to-myofascial-and-nerve-apparatus
#6
REVIEW
R Saggini, A Di Stefano, A Saggini, R G Bellomo
Shock waves have been widely recognized in literature as a biological regulator; accordingly we carried out a review on the effect of shock waves on the mesenchymal cells in their various expressions: bone, muscle, ligament and tendon tissue. To date, the application of Shock Wave Therapy (SWT) in musculoskeletal disorders has been primarily used in the treatment of tendinopathies (proximal plantar fasciopathy, lateral elbow tendinopathy, calcific tendinopathy of the shoulder, and patellar tendinopathy, etc...
October 2015: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/26751693/effects-of-static-stretching-of-knee-musculature-on-patellar-alignment-and-knee-functional-disability-in-male-patients-diagnosed-with-knee-extension-syndrome-a-single-group-pretest-posttest-trial
#7
COMPARATIVE STUDY
Mohammad Reza Pourahmadi, Ismail Ebrahimi Takamjani, Kazem Hesampour, Gholam Reza Shah-Hosseini, Ali Ashraf Jamshidi, Mohammad Bagher Shamsi
BACKGROUND: Knee extension (Kext) syndrome is based on movement system impairments and is described as knee pain associated with quadriceps stiffness. OBJECTIVE: To investigate the effects of 3 times per week for 4 weeks static stretching of knee musculature on patellar alignment and knee functional disability in male Kext syndrome patients. DESIGN: A single-group, pretest-posttest clinical trial. SETTING: Hazrat-e-Rasoul Akram Hospital...
April 2016: Manual Therapy
https://www.readbyqxmd.com/read/26601061/anterior-knee-pain-following-primary-total-knee-arthroplasty
#8
REVIEW
David Shervin, Katelyn Pratt, Travis Healey, Samantha Nguyen, William M Mihalko, Mouhanad M El-Othmani, Khaled J Saleh
Despite improvements in technique and technology for total knee arthroplasty (TKA), anterior knee pain impacts patient outcomes and satisfaction. Addressing the prosthetic and surgical technique related causes of pain after TKA, specifically as it relates to anterior knee pain, can aid surgeons in addressing these issues with their patients. Design features of the femoral and patellar components which have been reported as pain generators include: Improper femoral as well as patellar component sizing or designs that result in patellofemoral stuffing; a shortened trochlear groove distance from the flange to the intercondylar box; and then surgical technique related issues resulting in: Lateral patellar facet syndrome; overstuffed patella/flange combination; asymmetric patellar resurfacing, improper transverse plane component rotation resulting in patellar subluxation/tilt...
November 18, 2015: World Journal of Orthopedics
https://www.readbyqxmd.com/read/26589306/-torsional-osteotomy-operative-treatment-of-patellofemoral-maltracking
#9
W Strecker, J Dickschas
BACKGROUND: Patellofemoral maltracking may congenitally be caused by excessive internal maltorsion of the femur and/or excessive external maltorsion of the tibia. OBJECTIVE: Pain relief, femoropatellar stability, well-balanced charge of femoral and patellar cartilage. INDICATIONS: Anterior knee pain, patellar instability, associated with "inwardly pointing knee" syndrome. CONTRAINDICATIONS: Open physes, > 50 years, chronic/fixed patella luxation, congenital connective tissue and bone healing disorders...
December 2015: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/25900367/characteristics-of-medial-plica-syndrome-complicated-with-cartilage-damage
#10
Hiroyuki Kan, Yuji Arai, Shuji Nakagawa, Hiroaki Inoue, Kunio Hara, Ginjiro Minami, Atsuo Inoue, Hitoshi Kanamura, Kazuya Ikoma, Hiroyoshi Fujiwara, Toshikazu Kubo
PURPOSE: This study was designed to evaluate the characteristics of patients with medial plica syndrome and associated cartilage damage. METHODS: The study subjects included 44 patients with 57 knees arthroscopically diagnosed with medial plica syndrome. Subjects were divided into those with severe cartilage damage, defined as International Cartilage Research Society (ICRS) stage 2 or higher, and those with mild cartilage damage, defined as ICRS stage 1 or lower...
December 2015: International Orthopaedics
https://www.readbyqxmd.com/read/25672918/evaluation-of-anterior-knee-pain-in-a-ps-total-knee-arthroplasty-the-role-of-patella-friendly-femoral-component-and-patellar-size
#11
COMPARATIVE STUDY
F Atzori, L Sabatini, D Deledda, M Schirò, R Lo Baido, R L Baido, A Massè
BACKGROUND: Total knee arthroplasty gives excellent objective results. Nevertheless, the subjective findings do not match the normal knee perception: Often, it depends on patellar pain onset. In this study, we analyzed clinical and radiological items that can affect resurfaced patellar tracking, and role of a patella-friendly femoral component and patellar size on patellar pain onset. MATERIALS AND METHODS: Thirty consecutive patients were implanted using the same-cemented posterior-stabilized TKA associated with patella resurfacing...
April 2015: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/25199450/effect-of-medial-lateral-malpositioning-of-the-femoral-component-in-total-knee-arthroplasty-on-anterior-knee-pain-at-greater-than-8-years-of-follow-up
#12
S A W van de Groes, S Koëter, M de Waal Malefijt, N Verdonschot
BACKGROUND: The trochlea is often medialized after total knee arthroplasty (TKA) resulting in abnormal patellar tracking, which may lead to anterior knee pain. However, due to the difference in shape of the natural trochlea and the patellar groove of the femoral component, a medialization of the femoral component of 5 mm results in an equal patellar position at 0-30° of flexion. We tested the hypothesis that more medialization of the trochlea results in a higher VAS pain score and lower Kujala anterior knee pain score at midterm follow-up...
December 2014: Knee
https://www.readbyqxmd.com/read/25171680/knee-pain-and-patellofemoral-symptoms-in-patients-with-cerebral-palsy
#13
Susan A Rethlefsen, Danny T Nguyen, Tishya A L Wren, Matthew D Milewski, Robert M Kay
BACKGROUND: Knee pain in cerebral palsy (CP) is associated with increased patellofemoral forces present when walking with flexed knees. In typically developing children, knee pain and patellofemoral dysfunction are associated with obesity, genu valgum, femoral anteversion, and external tibial torsion. These problems are also common in CP, and may contribute to knee problems in this population. The purposes of this study were to define the prevalence of knee pain and patellofemoral dysfunction in children with CP, and to identify physical and gait characteristics (using 3-dimensional gait analysis data) that predispose them to such problems...
July 2015: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/25127530/effects-of-femoral-rotational-taping-on-pain-lower-extremity-kinematics-and-muscle-activation-in-female-patients-with-patellofemoral-pain
#14
Chen-Yi Song, Han-Yi Huang, Sheng-Chang Chen, Jiu-Jenq Lin, Alison H Chang
OBJECTIVES: To explore the hip and knee joint kinematics as well as muscle activation between participants with patellofemoral pain syndrome (PFPS) and controls, and to investigate the immediate effect of proximal femoral rotational taping on pain, joint kinematics, and muscle activation during single-leg squat (SLS). DESIGN: Cross-sectional study. METHODS: Sixteen female participants with PFPS, and eight healthy female controls participated...
July 2015: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/24997734/anterior-knee-pain-an-update-of-physical-therapy
#15
REVIEW
Suzanne Werner
Anterior knee pain is one of the most common knee problems in physically active individuals. The reason for anterior knee pain has been suggested to be multifactorial with patella abnormalities or extensor mechanism disorder leading to patellar malalignment during flexion and extension of the knee joint. Some patients complain mostly of non-specific knee pain, while others report patellar instability problems. The patients present with a variety of symptoms and clinical findings, meaning that a thorough clinical examination is the key for optimal treatment...
October 2014: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/24473994/mri-of-anterior-knee-pain
#16
REVIEW
Mohammad Samim, Edward Smitaman, David Lawrence, Hicham Moukaddam
Anterior knee pain is the most common knee complaint. It may be due to a variety of soft tissue or osseous abnormalities. Knowledge of the radiologic appearance of the abnormalities allows more accurate diagnosis of the cause of the pain including chondral abnormalities, patellar instability and dislocation, femoral trochlear dysplasia, abnormal patellar location, bipartite patella, various tendinopathies, bursal inflammation, traction apophysitis in pediatric and adolescent patients, and miscellaneous diseases including mediopatellar plica syndrome and Hoffa's disease...
July 2014: Skeletal Radiology
https://www.readbyqxmd.com/read/24448504/patellofemoral-friction-syndrome-magnetic-resonance-imaging-correlation-of-morphologic-and-t2-cartilage-imaging
#17
Ty K Subhawong, Rashmi S Thakkar, Abraham Padua, Aaron Flammang, Avneesh Chhabra, John A Carrino
OBJECTIVE: This study aimed to investigate whether patellofemoral T2 cartilage changes are associated with lateral patellofemoral friction syndrome (PFS), as indicated by an edema-like signal within the superolateral infrapatellar (Hoffa) fat pad. METHODS: In this institutional review board-approved retrospective study of 510 consecutive patients, 49 patients with 50 knee magnetic resonance imaging examinations demonstrating normal or low-grade patellofemoral cartilage abnormalities (whole-organ magnetic resonance imaging score [WORMS] score, ≤2) were included...
March 2014: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/24335880/the-evaluation-of-the-influence-of-selected-patellofemoral-joint-geometry-indicators-observed-in-magnetic-resonance-imaging-on-the-incidence-of-anterior-knee-pain-in-patients-after-anterior-cruciate-ligament-reconstruction-using-hamstrings
#18
Katarzyna Osowska, Jarosław Fabiś, Anna Fabiś, Magdalena Grodzka, Jacek Tomasz Zwierzchowski
BACKGROUND: Anterior knee pain (AKP) is a frequent serious clinical problem after anterior cruciate ligament (ACL) reconstruction, regardless of the graft material used. The author conducted prospective studies of the correlation between AKP and disturbed geometry of patello-femoral joint observed in magnetic resonance imaging (MRI), in patients with injured ACL reconstructed with the use of hamstrings. MATERIAL AND METHODS: The study included 60 patients (34 males and 26 females), at the mean age of 31, who underwent ACL reconstruction with flexors...
December 10, 2013: Polish Orthopedics & Traumatology
https://www.readbyqxmd.com/read/23989854/bilateral-double-osteotomy-in-severe-torsional-malalignment-syndrome-16%C3%A2-years-follow-up
#19
Francesco Leonardi, Fabrizio Rivera, Alessandra Zorzan, Syed Mohsin Ali
BACKGROUND: Torsional malalignment syndrome (TMS) is a well defined condition consisting of a combination of femoral antetorsion and tibial lateral torsion. The axis of knee motion is medially rotated. This may lead to patellofemoral malalignment with an increased Q angle and chondromalacia, patellar subluxation and dislocation. Conservative management is recommended in all but the most rare and severest cases. In these cases deformity correction requires osteotomies at two levels per limb...
June 2014: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/23952913/a-geometric-approach-to-study-the-contact-mechanisms-in-the-patellofemoral-joint-of-normal-versus-patellofemoral-pain-syndrome-subjects
#20
COMPARATIVE STUDY
Kamrul Islam, Kajsa Duke, Tanvir Mustafy, Samer M Adeeb, Janet L Ronsky, Marwan El-Rich
The biomechanics of the patellofemoral (PF) joint is complex in nature, and the aetiology of such manifestations of PF instability as patellofemoral pain syndrome (PFPS) is still unclear. At this point, the particular factors affecting PFPS have not yet been determined. This study has two objectives: (1) The first is to develop an alternative geometric method using a three-dimensional (3D) registration technique and linear mapping to investigate the PF joint contact stress using an indirect measure: the depth of virtual penetration (PD) of the patellar cartilage surface into the femoral cartilage surface...
2015: Computer Methods in Biomechanics and Biomedical Engineering
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