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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...
September 28, 2016: Clinical Imaging
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
S S Sathappan, M Wp Tan, D Ginat, M G Walsh, M E Schweitzer, P E Di Cesare
PURPOSE: To determine the correlation between the distal anterior femoral cortical axis (DAFCA) and the femoral rotational alignment/axis. METHODS: Magnetic resonance images (MRI) of 82 knees in 34 men and 23 women aged 16 to 47 (mean, 33.4) years were reviewed by a musculoskeletal radiologist. Their diagnoses included meniscal tear (n=4), chondromalacia (n=25), anterior cruciate ligament tears (n=11), and normal (n=42). In all patients the collateral ligaments were intact...
August 2016: Journal of Orthopaedic Surgery
Sun-Young Park, Sang Hoon Lee, Min Hee Lee, Hye Won Chung, Myung Jin Shin
OBJECTIVES: To evaluate the changes in the mean T2 values of articular cartilage on serial follow-up images up to 1 year in patients who underwent lateral meniscus allograft transplantation (MAT). METHODS: Fifty-two patients who underwent lateral MAT surgery at our hospital were evaluated preoperatively and at 2 days, 6 weeks, 3 months, 6 months, and 1 year after MAT using 3.0-T magnetic resonance imaging (MRI) that included T2 mapping. T2 value changes according to the arthroscopic grading of chondromalacia were evaluated in the lateral and medial compartment...
July 19, 2016: European Radiology
Kaibin Zhang, Jing Shi, Yang Li, Yiqiu Jiang, Peng Ding, Xiaofei Yang, Jianchao Gui
OBJECTIVE: To investigate the relationships between the expression of integrin β₁and activated cells in a partial-thickness articular cartilage injury model of adult rats. METHODS: Forty-five male Sprague Dawley rats (aged 10 weeks and weighing 300-400 g) were randomly divided into operated group (n = 15), sham-operated group (n = 15), and control group (n = 15). Partial-thickness articular cartilage injury model was made by scarification in operated group, direct suture after opening of the knee joint was performed in sham-operated group, and no operation was done in control group...
April 2016: Chinese Journal of Reparative and Reconstructive Surgery
Christoph Rehnitz, Bastian Klaan, Iris Burkholder, Falko von Stillfried, Hans-Ulrich Kauczor, Marc-André Weber
PURPOSE: To assess the feasibility of delayed gadolinium-enhanced magnetic resonance imaging (MRI) of cartilage (dGEMRIC) and T2 mapping for biochemical imaging of the wrist at 3T. MATERIALS AND METHODS: Seventeen patients with wrist pain (mean age, 41.4 ± 13.1 years) including a subgroup with chondromalacia (n = 11) and 15 healthy volunteers (26.0 ± 2.2 years) underwent dGEMRIC and T2 mapping at 3T. For dGEMRIC, the optimum time window after contrast-injection (gadopentetate dimeglumine) was defined as the plateau of the T1 curve of repeated measurements 15-90 minutes postinjection and assessed in all volunteers...
July 5, 2016: Journal of Magnetic Resonance Imaging: JMRI
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...
June 20, 2016: Acta Radiologica
Austin V Stone, Elizabeth A Howse, Sandeep Mannava, Allston J Stubbs
PURPOSE: To evaluate the clinical symptoms and intraoperative pathology associated with hip pain in the cyclist compared with a matched hip arthroscopy surgical group. METHODS: In an institutional review board-approved study, we retrospectively reviewed a prospective database of 1,200 consecutive hip arthroscopy patients from 2008 to 2015. Adult patients were identified who reported cycling as a major component of their activity. Patients were age, gender, and body mass index matched to a control, noncycling group...
June 8, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Tuesday F Fisher, Brian R Waterman, Justin D Orr, Courtney A Holland, Julia Bader, Philip J Belmont
PURPOSE: To quantify rates of perioperative complications, secondary surgery, subjective pain relief, and knee-related medical separation in an active military population after a tibial tubercle osteotomy (TTO) for the primary indication of chondral pathology. METHODS: All active-duty service members undergoing TTO with a minimum of 2 years' follow-up were isolated from the Military Health System database. The exclusion criteria were patients with patellar instability, other periarticular osteotomy, and insufficient follow-up...
May 24, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Yong Wang, Jun-Ying Sun, Guo-Chun Zha
Objectives Anterior knee pain (AKP) is integral to the overall success of total knee arthroplasty (TKA) without patellar resurfacing. Numerous studies have evaluated various factors that may contribute to AKP, including patellofemoral design, surgical technique, characteristics of the patient, and degree of chondromalacia. This study aims to explore whether patients who received lateral retinacular release (LRR) plus circumpatellar electrocautery (CE) in TKA attain a low incidence of AKP and whether the LRR plus CE increases postoperative complications...
May 20, 2016: Journal of Knee Surgery
Dawid Bączkowicz, Edyta Majorczyk
BACKGROUND: Due to the specific biomechanical environment of the patellofemoral joint, chondral disorders, including chondromalacia, are often observed in this articulation. Chondromalacia via pathological changes in cartilage may lead to qualitative impairment of knee joint motion. OBJECTIVE: To determine the patellofemoral joint motion quality in particular chondromalacia stages and to compare with controls. DESIGN: Retrospective, comparative study...
April 6, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
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
Daniel S Chan, Rafael Serrano-Riera, 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 infrapatellar (IP) versus suprapatellar (SP) tibial nail insertion. DESIGN: Prospective, randomized. SETTING: Level I trauma center. METHODS: After institutional review board approval, skeletally mature patients with OTA 42 tibial shaft fractures were randomized into either an IP or SP nail insertion group after informed consent was obtained...
March 2016: Journal of Orthopaedic Trauma
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
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
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
Samuel A Taylor, Ashley M Newman, Joseph Nguyen, Peter D Fabricant, Nikolas J Baret, Mary Shorey, Prem Ramkumar, Stephen J O'Brien
PURPOSE: To determine the diagnostic accuracy of magnetic resonance imaging (MRI) for biceps-labrum complex (BLC) lesions, including the extra-articular bicipital tunnel. METHODS: A retrospective review of 277 shoulders with chronic refractory BLC symptoms that underwent arthroscopic subdeltoid transfer of the long head of the biceps tendon (LHBT) to the conjoint tendon was conducted. Intraoperative lesions were categorized as "inside" (labral tears and dynamic LHBT incarceration), "junctional" (LHBT partial tears, LHBT subluxation, and biceps chondromalacia), or "bicipital tunnel" (extra-articular bicipital tunnel scar/stenosis, loose bodies, LHBT instability, and LHBT partial tears) based on anatomic location...
February 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
Selena Tinga, Kelley M Thieman Mankin, Laura E Peycke, Noah D Cohen
OBJECTIVE: To report short- and long-term complications and outcomes of dogs treated for tracheal collapse secondary to chondromalacia with extra-luminal rings (ELR) or intra-luminal stents (ILS). STUDY DESIGN: Retrospective cohort. SAMPLE POPULATION: Dogs with naturally occurring tracheal collapse (n = 103). METHODS: Medical records (2002-2012) of dogs diagnosed with tracheal collapse that had treatment with ELR (n = 73) or ILS (30) were reviewed...
October 2015: Veterinary Surgery: VS
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
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
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