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chondromalacia patellae

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https://www.readbyqxmd.com/read/29333118/the-relationship-between-chondromalacia-patella-medial-meniscal-tear-and-medial-periarticular-bursitis-in-patients-with-osteoarthritis
#1
Mustafa Resorlu, Davut Doner, Ozan Karatag, Canan Akgun Toprak
Background: This study investigated the presence of bursitis in the medial compartment of the knee (pes anserine, semimembranosus-tibial collateral ligament, and medial collateral ligament bursa) in osteoarthritis, chondromalacia patella and medial meniscal tears. Patients and methods: Radiological findings of 100 patients undergoing magnetic resonance imaging with a preliminary diagnosis of knee pain were retrospectively evaluated by two radiologists. The first radiologist assessed all patients in terms of osteoarthritis, chondromalacia patella and medial meniscal tear...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29249345/analysis-and-multiclass-classification-of-pathological-knee-joints-using-vibroarthrographic-signals
#2
Krzysztof Kręcisz, Dawid Bączkowicz
BACKGROUND AND OBJECTIVE: Vibroarthrography (VAG) is a method developed for sensitive and objective assessment of articular function. Although the VAG method is still in development, it shows high accuracy, sensitivity and specificity when comparing results obtained from controls and the non-specific, knee-related disorder group. However, the multiclass classification remains practically unknown. Therefore the aim of this study was to extend the VAG method classification to 5 classes, according to different disorders of the patellofemoral joint...
February 2018: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/29204454/magnetic-resonance-imaging-for-patellofemoral-chondromalacia-is-there-a-role-for-t2-mapping
#3
Carola F van Eck, R Scott Kingston, John V Crues, F Daniel Kharrazi
Background: Patellofemoral pain is common, and treatment is guided by the presence and grade of chondromalacia. Purpose: To evaluate and compare the sensitivity and specificity in detecting and grading chondral abnormalities of the patella between proton density fat suppression (PDFS) and T2 mapping magnetic resonance imaging (MRI). Study Design: Cohort study; Level of evidence, 2. Methods: A total of 25 patients who underwent MRI of the knee with both a PDFS sequence and T2 mapping and subsequently underwent arthroscopic knee surgery were included...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28986675/does-the-grading-of-chondromalacia-patellae-influence-anterior-knee-pain-following-total-knee-arthroplasty-without-patellar-resurfacing
#4
Guo-Chun Zha, Shuo Feng, Xiang-Yang Chen, Kai-Jin Guo
OBJECTIVES: The influence of chondromalacia patellae (CMP) on post-operative anterior knee pain (AKP) following total knee arthroplasty (TKA) remains controversial, and few studies have focused on the relationship between them. The purpose of this study was to determine whether different CMP grades affect the incidence of AKP after TKA without patellar resurfacing. METHODS: We performed a retrospective analysis of prospectively collected data on 290 TKAs with the use of the low contact stress mobile-bearing prosthesis, without patellar resurfacing in 290 patients from February 2009 to January 2013...
October 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28970998/a-modified-osteotomy-for-anteromedialization-of-the-tibial-tubercle
#5
Michael G Saper, Benjamin A Cox, David A Shneider
Tibial tubercle osteotomy is a common treatment option for a number of patellofemoral joint disorders including chondromalacia, "anterior knee pain" syndromes, patellofemoral arthritis, and patellar instability. Tibial tubercle osteotomy can modify tracking and/or patellofemoral contact forces to effect the unloading of chondral defects of the patella or trochlea, correct multiplanar suboptimal alignment, and be used in conjunction with soft-tissue stabilization procedures for instability. The purpose of this Technical Note is to describe, in detail, a modified osteotomy for anteromedialization of the tibial tubercle...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28569198/determination-of-reference-values-and-frequency-of-occurrence-of-patella-alta-in-german-shepherd-dogs-a-retrospective-study
#6
Anna Łojszczyk-Szczepaniak, Piotr Silmanowicz, Renata Komsta, Zbigniew Osiński
BACKGROUND: Patella alta and patella baja are important conditions underlying a predisposition to many joint diseases, including patellar luxation and patellar chondromalacia of the articular cartilage. The frequencies of patella alta and patella baja have not yet been determined. The objectives of this study were to determine the frequency of patella alta and to determine reference values to the position of the vertical patella according to two modified techniques of the Insall-Salvati method in a group of 65 German shepherd dogs (115 stifle joints)...
May 31, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/27999505/osteochondral-allograft-transplantation-for-femoral-trochlear-dysplasia
#7
Dharmpal V Vansadia, James R Heltsley, Scott Montgomery, Misty Suri, Deryk G Jones
BACKGROUND: The risk factors for patellofemoral joint instability include laxity of medial patellar restraints, abnormal limb geometry, femoral and tibial malrotation, patella alta, and trochlear dysplasia. Femoral trochlear dysplasia is characterized by a hypoplastic or shallow trochlear groove. CASE REPORT: We report the case of a 31-year-old female with trochlear dysplasia and recurrent patella dislocations, laxity of the medial patellofemoral ligament (MPFL), and high-grade chondromalacia of the trochlea and the patella...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27911285/the-relation-between-chondromalacia-patella-and-meniscal-tear-and-the-sulcus-angle-trochlear-depth-ratio-as-a-powerful-predictor
#8
Hatice Resorlu, Coskun Zateri, Gurdal Nusran, Ferdi Goksel, Nilufer Aylanc
PURPOSE: To investigate the relation between chondromalacia patella and the sulcus angle/trochlear depth ratio as a marker of trochlear morphology. In addition, we also planned to show the relationship between meniscus damage, subcutaneous adipose tissue thickness as a marker of obesity, patellar tilt angle and chondromalacia patella. METHODS: Patients with trauma, rheumatologic disease, a history of knee surgery and patellar variations such as patella alba and patella baja were excluded...
2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27723501/association-between-trochlear-morphology-and-chondromalacia-patella-an-mri-study
#9
Semra Duran, Mehtap Cavusoglu, Onur Kocadal, Bulent Sakman
This study aimed to compare trochlear morphology seen in magnetic resonance imaging between patients with chondromalacia patella and age-matched control patients without cartilage lesion. Trochlear morphology was evaluated using the lateral trochlear inclination, medial trochlear inclination, sulcus angle and trochlear angle on the axial magnetic resonance images. Consequently, an association between abnormal trochlear morphology and chondromalacia patella was identified in women. In particular, women with flattened lateral trochlea are at an increased risk of patellar cartilage structural damage...
January 2017: Clinical Imaging
https://www.readbyqxmd.com/read/27625998/comparison-of-indirect-mr-arthrography-with-conventional-mri-in-the-diagnosis-of-knee-pathologies-in-patients-with-knee-pain
#10
Ali Babaei Jandaghi, Mohsen Mardani-Kivi, Ahmadreza Mirbolook, Mohammad Kazem Emami-Meybodi, Solmaz Mohammadzadeh, Maral Farahmand
BACKGROUND: Knee pain is a common problem in the general population. In order to determine the extent of the injury and the appropriate treatment, MRI provides the most accurate imaging method. This may be done through conventional MRI techniques or by injecting a contrast material (MR arthrography). OBJECTIVES: The purpose of this study was to compare the diagnostic value of these two methods. PATIENTS AND METHODS: The study involved the diagnostic evaluation on 60 patients with knee pain who received treatment over the course of a one-year period...
May 2016: Trauma Monthly
https://www.readbyqxmd.com/read/27329395/a-new-mri-grading-system-for-chondromalacia-patellae
#11
Ali Özgen, Neslihan Taşdelen, Zeynep Fırat
Background Chondromalacia patellae is a very common disorder. Although magnetic resonance imaging (MRI) is widely used to investigate patellar cartilage lesions, there is no descriptive MRI-based grading system for chondromalacia patellae. Purpose To propose a new MRI grading system for chondromalacia patellae with corresponding high resolution images which might be useful in precisely reporting and comparing knee examinations in routine daily practice and used in predicting natural course and clinical outcome of the patellar cartilage lesions...
April 2017: Acta Radiologica
https://www.readbyqxmd.com/read/27034088/sagittal-plane-tilting-deformity-of-the-patellofemoral-joint-a-new-concept-in-patients-with-chondromalacia-patella
#12
Ertugrul Aksahin, Cem Nuri Aktekin, Onur Kocadal, Semra Duran, Cüneyd Gunay, Defne Kaya, Onur Hapa, Murad Pepe
PURPOSE: The aims of this study were to evaluate sagittal plane alignment in patients with chondromalacia patella via magnetic resonance imaging (MRI), analyse the relationships between the location of the patellar cartilaginous lesions and sagittal alignment and finally investigate the relationships between the sagittal plane malalignment and patellofemoral loadings using by finite element analysis. METHODS: Fifty-one patients who were diagnosed with isolated modified Outerbridge grade 3-4 patellar chondromalacia based on MRI evaluation and 51 control subjects were evaluated...
March 31, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/26834209/patellofemoral-pain
#13
Kay M Crossley, Michael J Callaghan, Robbart van Linschoten
Patellofemoral pain refers to pain behind or around the patella (also known as patellofemoral pain syndrome, anterior knee pain, runner's knee, and, formerly, chondromalacia patellae). Patellofemoral pain is common, accounting for 11-17% of all knee pain presentations to general practice.(1 2) While it typically occurs in physically active people aged <40 years, it also affects people of all activity levels and ages.(1 2) Patellofemoral pain can be diagnosed in the clinic, and evidence based treatments can reduce pain and improve function, allowing patients to maintain a physically active lifestyle...
February 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/26779547/the-meniscus-deficient-knee-biomechanics-evaluation-and-treatment-options
#14
Allison J Rao, Brandon J Erickson, Gregory L Cvetanovich, Adam B Yanke, Bernard R Bach, Brian J Cole
Meniscal tears are the most common knee injury, and partial meniscectomies are the most common orthopaedic surgical procedure. The injured meniscus has an impaired ability to distribute load and resist tibial translation. Partial or complete loss of the meniscus promotes early development of chondromalacia and osteoarthritis. The primary goal of treatment for meniscus-deficient knees is to provide symptomatic relief, ideally to delay advanced joint space narrowing, and ultimately, joint replacement. Surgical treatments, including meniscal allograft transplantation (MAT), high tibial osteotomy (HTO), and distal femoral osteotomy (DFO), are options that attempt to decrease the loads on the articular cartilage of the meniscus-deficient compartment by replacing meniscal tissue or altering joint alignment...
October 2015: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/26756278/is-there-a-role-of-pulsed-electromagnetic-fields-in-management-of-patellofemoral-pain-syndrome-randomized-controlled-study-at-one-year-follow-up
#15
RANDOMIZED CONTROLLED TRIAL
Clemente Servodio Iammarrone, Matteo Cadossi, Andrea Sambri, Eugenio Grosso, Bruno Corrado, Fernanda Servodio Iammarrone
Patellofemoral pain syndrome (PFPS) is a common cause of recurrent or chronic knee pain in young adults, generally located in the retropatellar region. Etiology is controversial and includes several factors, such as anatomical defects, muscular imbalance, or joint overuse. Good results have been reported with exercise therapy, including home exercise program (HEP). Joint inflammation with increase of pro-inflammatory cytokines levels in the synovial fluid might be seen especially when chondromalacia becomes evident...
February 2016: Bioelectromagnetics
https://www.readbyqxmd.com/read/26618663/supra-versus-infra-patellar-tibial-nail-insertion-a-prospective-randomized-control-pilot-study
#16
Daniel S Chan, Rafael Serrano, Rebecca Griffing, Barbara Steverson, Anthony Infante, David Watson, H Claude Sagi, Roy W Sanders
PURPOSE: The purpose of this OTA approved pilot study was to compare the clinical and functional outcomes of the knee joint after infra - versus supra patellar tibial nail insertion DESIGN:: Prospective, randomized, OTA sponsored, Level I study. SETTING: Level I trauma center METHODS:: After IRB approval, skeletally mature patients with OTA 42 tibial shaft fractures were randomized into either an infra-patellar (IP) or suprapatellar (SP) nail insertion group after informed consent was obtained...
November 25, 2015: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/26166427/incidence-and-risk-factors-for-chronic-anterior-knee-pain
#17
Nicholas Kusnezov, Nathaniel Watts, Philip J Belmont, Justin D Orr, Brian Waterman
Chronic anterior knee pain is a common clinical entity, more so in the active individual. The incidence and risk factors, however remain unexplored. We investigated the correlation of demographic and occupational risk factors as well as the incidence of chronic anterior knee pain in an active military population. We performed a retrospective review of all U. S. Military active duty service members with the diagnosis of chondromalacia patellae, representative of the clinical syndrome of chronic anterior knee pain, between 2006 and 2012 using the Defense Medical Epidemiology Database...
April 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/26075143/demographic-and-epidemiological-trends-in-patellofemoral-pain
#18
Neal R Glaviano, Michelle Kew, Joseph M Hart, Susan Saliba
BACKGROUND: Understanding the demographics of patellofemoral pain is important to determine the best practices in diagnosis and treatment of this difficult pathology. The occurrence of patellofemoral pain has been reported from isolated sports medicine clinics and from within the military, but its incidence has never been examined in the general population within the United States. PURPOSE: The purpose of this study was to examine the reported occurrence of patellofemoral pain for those individuals seeking medical care and to compare that to all other pathologies that result in anterior knee pain, such as tendinopathies, patella subluxation, osteoarthritis, or meniscal and bursal conditions...
June 2015: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/26055032/selective-patellar-resurfacing-a-literature-review
#19
REVIEW
Casey R Antholz, Jeffrey J Cherian, Randa K Elmallah, Julio J Jauregui, Todd P Pierce, Micael A Mont
Whether to resurface the patella during total knee arthroplasty (TKA) remains a controversial topic among orthopaedic surgeons, and we are still no closer to identifying which technique provides the best outcomes. Advocates for patellar resurfacing have adopted this technique in order to avoid the potential for post-operative anterior knee pain that may be associated with the need for future reoperations. However, reports have indicated that patellar resurfacing may be associated with increased complications such as patellar implant loosening, fracture, osteonecrosis, tendon injury, wear, and instability...
May 2015: Surgical Technology International
https://www.readbyqxmd.com/read/25496721/joint-motion-quality-in-vibroacoustic-signal-analysis-for-patients-with-patellofemoral-joint-disorders
#20
Dawid Bączkowicz, Edyta Majorczyk
BACKGROUND: Chondromalacia, lateral patellar compression syndrome and osteoarthritis are common patellofemoral joint disorders leading to functional and/or structural disturbances in articular surfaces. The objective of the study was to evaluate their impact on joint motion quality via the vibroacoustic signal generated during joint movement analysis. METHODS: Seventy-three patients (30 with chondromalacia, 21 with lateral patellar compression syndrome, and 22 with osteoarthritis) and 32 healthy controls were tested during flexion/extension knee motion for vibroacoustic signals using an acceleration sensor...
December 12, 2014: BMC Musculoskeletal Disorders
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