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https://www.readbyqxmd.com/read/28431086/dynamic-ultrasound-imaging-for-quadriceps-tendon-impingement-in-a-patient-with-anterior-knee-pain
#1
Muhammad Dughbaj, Diaa Shehab, Levent Özçakar
No abstract text is available yet for this article.
April 18, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28428648/ultrasound-of-ankles-in-the-diagnosis-of-complications-of-chikungunya-fever
#2
Roberto Mogami, João Luiz Pereira Vaz, Yêdda de Fátima Barcelos Chagas, Rodrigo Sperling Torezani, André de Almeida Vieira, Ana Célia Baptista Koifman, Yasmin Baptista Barbosa, Mirhelen Mendes de Abreu
OBJECTIVE: To describe the main ultrasound findings of chikungunya fever in the ankle. MATERIALS AND METHODS: This was a cross-sectional observational study involving 52 patients referred to the Hospital Universitário Pedro Ernesto and presenting with clinical and biochemical evidence of chikungunya fever. The examinations were performed by a radiologist with more than 20 years of experience in ultrasound. RESULTS: The predominant gender was female (in 88...
March 2017: Radiologia Brasileira
https://www.readbyqxmd.com/read/28427411/tendon-motion-tracking-in-an-ultrasound-image-sequence-using-optical-flow-based-block-matching
#3
Bo-I Chuang, Jian-Han Hsu, Li-Chieh Kuo, I-Ming Jou, Fong-Chin Su, Yung-Nien Sun
BACKGROUND: Tendon motion, which is commonly observed using ultrasound imaging, is one of the most important features used in tendinopathy diagnosis. However, speckle noise and out-of-plane issues make the tracking process difficult. Manual tracking is usually time consuming and often yields inconsistent results between users. METHODS: To automatically track tendon motion in ultrasound images, we developed a new method that combines the advantages of optical flow and multi-kernel block matching...
April 20, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28416461/detection-of-penetration-of-the-dorsal-cortex-by-epiphyseal-screwsof-distal-radius-volar-plates-anatomical-study-comparing-ultrasoundandfluoroscopy
#4
Vernet Paul, Durry Anastasia, Nicolau Xavier, D'Ambrosio Adrien, Collinet Arnaud, Salazar Botero Santiago, Liverneaux Philippe, Hidalgo Diaz Juan José
Osteosynthesis of the distal radius by a volar plate can be complicated by lesions of extensor tendons by screws penetrating the dorsal cortex. The fluoroscopic skyline view enables to confirm the length of the screws. To avoid its risk of irradiation, some authors have recommended to use ultrasound instead. The goal of this study was to demonstrate that the detection rate of screws penetrating the dorsal cortex was at least as good using ultrasound compared to fluoroscopic skyline. A volar plate in which one screw penetrated the dorsal cortex was implanted in 10 cadaveric wrists...
April 14, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28411966/ultrasound-screening-for-adverse-local-tissue-reaction-after-hip-arthroplasty
#5
David J Robinson, Steven Lee, Paul Marks, Michal E Schneider
Early detection of adverse local tissue reaction (ALTR) to prosthetic hip wear debris is vital to improve the success of revision surgery. Magnetic resonance imaging with metal artefact reduction sequencing (MARS MRI) is considered the modality of choice to provide cross-sectional imaging of the soft tissues. The areas adjacent to the prosthesis are, however, not readily imaged using these protocols. Ultrasound has also been recommended as an imaging modality in the follow-up of hip replacement surgery. We decided to characterise the typical ultrasound findings in a group of patients undergoing routine biennial review of arthroplastic hips with particular reference to the hip capsule, femoral neck and iliopsoas bursa and tendon adjacent to the implant...
April 12, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28410739/changes-in-tendon-spatial-frequency-parameters-with-loading
#6
Stephen J Pearson, Aaron J Engel, Gregory R Bashford
To examine and compare the loading related changes in micro-morphology of the patellar tendon. Fifteen healthy young males (age 19±3yrs, body mass 83±5kg) were utilised in a within subjects matched pairs design. B mode ultrasound images were taken in the sagittal plane of the patellar tendon at rest with the knee at 90° flexion. Repeat images were taken whilst the subjects were carrying out maximal voluntary isometric contractions. Spatial frequency parameters related to the tendon morphology were determined within regions of interest (ROI) from the B mode images at rest and during isometric contractions...
April 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28399893/ultrasound-guided-steroid-tendon-sheath-injections-in-juvenile-idiopathic-arthritis-a-10-year-single-center-retrospective-study
#7
Shannon E Peters, Ronald M Laxer, Bairbre L Connolly, Dimitri A Parra
BACKGROUND: The aims of this study were to: (a) Identify tendon sheaths most commonly treated with steroid injections in a pediatric patient population with Juvenile Idiopathic Arthritis (JIA); (b) Describe technical aspects of the procedure; (c) Characterize sonographic appearance of tenosynovitis in JIA; (d) Assess agreement between clinical request and sites injected. METHODS: This was a 10 year single-center retrospective study (May 2006-April 2016) of patients with JIA referred by Rheumatology for ultrasound-guided tendon sheath injections...
April 11, 2017: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/28389821/variations-of-anatomy-on-mri-of-the-first-extensor-compartment-of-the-wrist-and-association-with-dequervain-tenosynovitis
#8
Connie Y Chang, Arvin B Kheterpal, Joao Rafael Terneria Vicentini, Ambrose J Huang
OBJECTIVE: To study anatomical variations on MRI of the first extensor compartment of the wrist in DeQuervain tenosynovitis (DQT). MATERIALS AND METHODS: A retrospective search for DQT patients yielded 47 subjects (51 ± 15 years, 36 female, 11 male). The age-matched control group (normal first extensor compartment) was 49 ± 15 years (29 female, 18 male). Two independent readers reviewed: the number of abductor pollicis longus (APL) tendon slips, tendon sheath septations (compartmentalization), and APL and EPB cross-sectional area (CSA) at the radial styloid...
April 7, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28388886/allograft-tendon-reconstruction-of-the-anterior-talofibular-ligament-and-calcaneofibular-ligament-in-the-treatment-of-chronic-ankle-instability
#9
Weikai Wang, Guo Hong Xu
BACKGROUND: The purpose was retrospectively to investigate functional and clinical outcomes after anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) reconstruction using a single allograft. METHODS: Patients with severe chronic lateral instability of the ankle underwent surgery after conservative treatment failed. Ultrasounds of the ankle were performed, and if the AFTL and CFL were completely torn without enough soft tissue for repair, the ligaments were reconstructed using allograft tendon...
April 8, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28374091/suprapectoral-biceps-tenodesis-using-a-suture-plate-clinical-results-after-2-years
#10
Christian Schoch, Michael Geyer, Björn Drews
PURPOSE: Several techniques for performing a tenodesis of the long head of biceps (LHB) are described. Only few outcome studies are published. This note describes a unicortical fixation via a suture plate-comparable to a distal biceps refixation-performed arthroscopically or mini-open via standard suprapectoral approach. The aim of this study is to show the clinical outcome after 6, 12, and 24 months. MATERIALS AND METHODS: A consecutive series of 50 (35 male, 15 female) patients at the mean age of 49 years (range 23-75) who underwent tenodesis of the LHB were followed for 2 years...
April 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28369824/medial-gastrocnemius-and-soleus-muscle-tendon-unit-fascicle-and-tendon-interaction-during-walking-in-children-with-cerebral-palsy
#11
Lee Barber, Chris Carty, Luca Modenese, John Walsh, Roslyn Boyd, Glen Lichtwark
AIM: This study investigates the in vivo function of the medial gastrocnemius and soleus muscle-tendon units (MTU), fascicles, and tendons during walking in children with cerebral palsy (CP) and an equinus gait pattern. METHOD: Fourteen children with CP (9 males, 5 females; mean age 10y 6mo, standard deviation [SD] 2y 11mo; GMFCS level I=8, II=6), and 10 typically developing (6 males, 4 females; mean age 10y, SD 2y 1mo) undertook full body 3D gait analysis and simultaneous B-mode ultrasound images of the medial gastrocnemius and soleus fascicles during level walking...
April 1, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28359698/refuting-the-lipstick-sign
#12
Jason A Grassbaugh, Betsey R Bean, Alyssa R Greenhouse, Henry H Yu, Edward D Arrington, Richard J Friedman, Josef K Eichinger
BACKGROUND: Arthroscopic examination of the tendon has been described as the "gold standard" for diagnosis of tendinitis of the long head of the biceps (LHB). An arthroscopic finding of an inflamed and hyperemic LHB within the bicipital groove has been described as the "lipstick sign." Studies evaluating direct visualization in diagnosis of LHB tendinitis are lacking. METHODS: During a 1-year period, 363 arthroscopic shoulder procedures were performed, with 16 and 39 patients prospectively selected as positive cases and negative controls, respectively...
March 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28359571/achilles-tendon-stress-is-more-sensitive-to-subject-specific-geometry-than-subject-specific-material-properties-a-finite-element-analysis
#13
Wencke Hansen, Vickie B Shim, Steven Obst, David G Lloyd, Richard Newsham-West, Rod S Barrett
This study used subject-specific measures of three-dimensional (3D) free Achilles tendon geometry in conjunction with a finite element method to investigate the effect of variation in subject-specific geometry and subject-specific material properties on tendon stress during submaximal isometric loading. Achilles tendons of eight participants (Aged 25-35years) were scanned with freehand 3D ultrasound at rest and during a 70% maximum voluntary isometric contraction. Ultrasound images were segmented, volume rendered and transformed into subject-specific 3D finite element meshes...
March 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28355674/ultrasound-of-the-knee-common-pathology-excluding-extensor-mechanism
#14
Jon A Jacobson, Thumanoon Ruangchaijatuporn, Viviane Khoury, Olaf Magerkurth
Ultrasound can be used to diagnose many types of pathology and guide various diagnostic or therapeutic procedures. The most common applications for musculoskeletal ultrasound of the knee include evaluation of the joint recesses, the extensor mechanism, and bursae including Baker's cyst. However, a role exists for ultrasound in the evaluation of cartilage, other tendons, ligaments, peripheral nerves, osseous structures, and vasculature. This article reviews common pathologies of these structures as seen with ultrasound...
April 2017: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/28348529/sport-specific-capacity-to-use-elastic-energy-in-the-patellar-and-achilles-tendons-of-elite-athletes
#15
Hans-Peter Wiesinger, Florian Rieder, Alexander Kösters, Erich Müller, Olivier R Seynnes
Introduction: During running and jumping activities, elastic energy is utilized to enhance muscle mechanical output and efficiency. However, training-induced variations in tendon spring-like properties remain under-investigated. The present work extends earlier findings on sport-specific profiles of tendon stiffness and cross-sectional area to examine whether years of distinct loading patterns are reflected by tendons' ability to store and return energy. Methods:Ultrasound scans were performed to examine the morphological features of knee extensor and plantar flexor muscle-tendon units in elite ski jumpers, distance runners, water polo players, and sedentary controls...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28344444/distribution-of-platelet-rich-plasma-after-ultrasound-guided-injection-for-chronic-elbow-tendinopathies
#16
Gi-Young Park, Dong Rak Kwon, Hee Kyung Cho, Jinyoung Park, Jung Hyun Park
Characteristics of the spreads of platelet-rich plasma (PRP) are not widely known despite commonly use. This study aims to evaluate whether PRP stays within the injected area by using ultrasonography, to improve understanding of the spreads of intratendinous injected PRP. Thirty-nine patients (15 males, 24 females; mean age, 49.3 years), who had symptoms on their elbows (> 6 months) and diagnosed as lateral (25 elbows) or medial (14 elbows) tendinopathies of elbow, were included. The severity of tendon pathology was assessed by ultrasonography as tear or no tear...
March 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28342723/effects-of-eccentric-overload-training-on-patellar-tendon-and-vastus-lateralis-in-three-days-of-consecutive-running
#17
Fernando Sanz-López, César Berzosa, Fidel Hita-Contreras, Antonio Martínez-Amat
BACKGROUND: The analysis of structural changes in patellar tendon and muscle of healthy subjects in response to mechanical loads provides useful insight into the mechanism underlying overuse injuries. METHODS: Changes produced in tendon and muscles structures after eccentric overload training and three consecutive running days were examined. Twenty healthy subjects were recruited and divided into two groups. One group (ECC) performed eccentric overload squat training (six weeks)...
March 22, 2017: Knee
https://www.readbyqxmd.com/read/28329480/linear-atrophy-and-vascular-fragility-following-ultrasoundguided-triamcinolone-injection-for-dequervain-tendonitis
#18
Hal B Willardson, Shannon Buck, James Neiner
A 64 year-old woman presented with a one-yearhistory of purpuric, atrophic, linear patches alongthe left lateral forearm. The patient had receivedtwo ultrasound-guided triamcinolone injectionsone year earlier into her left extensor pollicis brevisand abductor pollicis longus tendon sheathsfor DeQuervain tendonitis. In the seven monthsfollowing the second injection, the patient developedatrophy, purpura, and telangiectasias starting at thesite of injection and extending proximally, followingthe course of her left cephalic vein...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28325701/evaluation-of-flexor-pollicis-longus-tendon-attrition-using-color-doppler-imaging-after-volar-plate-fixation-for-distal-radius-fracture
#19
Yoshitaka Tanaka, Hiroyuki Gotani, Koichi Yano, Kosuke Sasaki, Yoshitaka Hamada
PURPOSE: Early diagnosis of attritional wear of the flexor pollicis longus (FPL) tendon is essential in preventing subsequent tendon rupture. There are currently few objective methods of assessing FPL attrition. We hypothesized that color Doppler imaging could visibly detect FPL tendon attrition, and analyzed our results. METHODS: We evaluated ultrasound imaging of the contact between the FPL tendon and a volar locking plate using the real-time B-mode and Doppler waveforms of the FPL tendon using the continuous Doppler wave mode in 40 patients who underwent fixation of the distal volar locking plate for distal radius fracture...
March 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28321422/autologous-tenocyte-injection-for-the-treatment-of-chronic-recalcitrant-gluteal-tendinopathy-a-prospective-pilot-study
#20
Thomas A Bucher, Jay R Ebert, Anne Smith, William Breidahl, Michael Fallon, Tao Wang, Ming-Hao Zheng, Gregory C Janes
BACKGROUND: Gluteal tendinopathy is a common cause of lateral hip pain, and existing conservative treatment modalities demonstrate high symptom recurrence rates. Autologous tenocyte injection (ATI) is a promising cell therapy that may be useful for the treatment of gluteal tendinopathy. PURPOSE: To investigate the safety and effectiveness of ATI, specifically in patients with chronic recalcitrant gluteal tendinopathy. STUDY DESIGN: Case series; Level of evidence, 4...
February 2017: Orthopaedic Journal of Sports Medicine
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