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Achilles ultrasound

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https://read.qxmd.com/read/30890042/impaired-mechanical-properties-of-achilles-tendon-in-spastic-stroke-survivors-an-observational-study
#1
Caroline Pieta Dias, Bruno Freire, Natália Batista Albuquerque Goulart, Camila Dias De Castro, Fernando De Aguiar Lemos, Jefferson Becker, Anton Arndt, Marco Aurélio Vaz
BACKGROUND: The spasticity could lead to decreased functional capacity and changes in musculoskeletal tissue. OBJECTIVE: To compare the Achilles tendon properties between the affected and contralateral limbs of participants with spasticity due to stroke and the healthy subjects. METHODS: Fifteen individuals with ankle spasticity due to stroke and 15 healthy subjects were recruited. Maximal isometric ankle joint torque was obtained with an isokinetic dynamometer, and an ultrasound was used to determine tendon length, tendon cross-sectional area, and the medial gastrocnemius myotendinous junction displacement...
March 19, 2019: Topics in Stroke Rehabilitation
https://read.qxmd.com/read/30861517/platelet-rich-plasma-diffusion-in-achilles-tendon-relationship-with-therapeutic-outcomes
#2
Michele Abate, Luigi Di Carlo, Vincenzo Salini
OBJECTIVE: The therapeutic efficacy of platelet-rich plasma in the treatment of Achilles tendinopathy is controversial. Among the variables which can explain the discrepant results, little attention has been paid to the distribution of platelet-rich plasma inside the tendon. The aim of the present study was to evaluate whether this factor is related to the clinical outcome of treatment. SUBJECTS AND METHODS: Forty patients suffering from mid-portion Achilles tendinopathy were studied...
March 13, 2019: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://read.qxmd.com/read/30847522/it-is-possible-to-release-the-plantaris-tendon-under-ultrasound-guidance-a-technical-description-of-ultrasound-guided-plantaris-tendon-release-uptr-in-the-treatment-of-non-insertional-achilles-tendinopathy
#3
Ben Hickey, Justin Lee, Jo Stephen, Jarrod Antflick, James Calder
PURPOSE: Open plantaris tendon excision and ventral paratendinous stripping is a recognised treatment option in selected patients with non-insertional Achilles tendinopathy. The aim of this study was to develop a minimally invasive outpatient technique of ultrasound guided plantaris tendon release (UPTR). METHODS: A 19 gauge needle, 15 gauge scalpel blade, hook knife (Smith and Nephew, Boston, MA, USA) and a beaver blade (Arthrex, Naples, FL, USA), were used under ultrasound guidance to identify and divide the plantaris tendon in 12 cadaveric legs...
March 7, 2019: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://read.qxmd.com/read/30844628/ultrasound-evaluation-of-extrinsic-foot-muscles-in-patients-with-chronic-non-insertional-achilles-tendinopathy-a-case-control-study
#4
Carlos Romero-Morales, Pedro Javier Martín-Llantino, César Calvo-Lobo, Rubén Sánchez-Gómez, Daniel López-López, Helios Pareja-Galeano, David Rodríguez-Sanz
AIM: The purpose of the present study was to compare and quantify with ultrasound imaging (USI) the extensor digitorum longus (EDL), tibialis anterior (TA) and peroneus muscles (PER) muscle thickness and cross-sectional area (CSA) between chronic non-insertional Achilles tendinopathy (AT) and healthy subjects. METHODS: a sample of 143 individuals was recruited and divided in two groups: chronic non-insertional AT group (n = 71) and a healthy group (n = 72)...
February 27, 2019: Physical Therapy in Sport
https://read.qxmd.com/read/30816587/lower-extremity-work-along-with-triceps-surae-structure-and-activation-is-altered-with-jumping-after-achilles-tendon-repair
#5
Jennifer A Zellers, Adam R Marmon, Anahid Ebrahimi, Karin Grävare Silbernagel
Achilles tendon rupture leads to long term plantar flexor deficits. The purpose of this study was to describe changes in jumping biomechanics along with triceps surae structure and activation in individuals after Achilles repair. Eleven individuals 1-3 years following Achilles repair and 10 healthy controls were included. Kinetics and kinematics, analyzed using a constituent lower extremity work approach, and muscle activity using surface electromyography (EMG) were collected during a unilateral hopping task...
February 28, 2019: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://read.qxmd.com/read/30790440/ultrasonography-effectiveness-of-the-vibration-vs-cryotherapy-added-to-an-eccentric-exercise-protocol-in-patients-with-chronic-mid-portion-achilles-tendinopathy-a-randomised-clinical-trial
#6
Carlos R Morales, Pedro J M Llantino, César C Lobo, Patricia P López, Daniel L López, Josué F Carnero, David R Sanz
Tendinopathy is a very common disease in the general population as well as in athletes. The aim of the present study was to examine the tendon thickness and cross-sectional area (CSA) in subjects with chronic mid-portion Achilles tendinopathy (AT) who engaged in either an eccentric exercise (EE) programme with vibration training or an EE programme combined with cryotherapy. A sample of 61 patients with chronic mid-portion AT were recruited and divided into two groups: EE programme vibration training (n = 30) and EE programme combined with cryotherapy (n = 31)...
February 20, 2019: International Wound Journal
https://read.qxmd.com/read/30785895/transverse-tendon-stiffness-is-reduced-in-people-with-achilles-tendinopathy-a-cross-sectional-study
#7
Evan Finnamore, Charlotte Waugh, Lyndal Solomons, Michael Ryan, Christopher West, Alexander Scott
OBJECTIVES: The objective of the current cross-sectional study was to examine Achilles tendon transverse stiffness in a group of recreational runners with Achilles tendinopathy, in comparison to an asymptomatic group of runners with similar training history. We also aimed to determine the between-week intra-individual reliability of this measurement technique. DESIGN: Cross-sectional cohort study. METHODS: A hand-held dynamometer was used to assess the transverse stiffness of the Achilles tendon (AT) in twenty-five recreational runners...
2019: PloS One
https://read.qxmd.com/read/30744626/the-recovery-after-achilles-tendon-rupture-a-protocol-for-a-multicenter-prospective-cohort-study
#8
Olivier C Dams, Inge van den Akker-Scheek, Ron L Diercks, Klaus W Wendt, Eelke Bosma, Tom M van Raaij, Arvid V Munzebrock, Wierd P Zijlstra, Johannes Zwerver, Inge H F Reininga
BACKGROUND: Achilles tendon rupture (ATR) is a common sports injury, with a rising incidence and significant impairments. Due to the lack of treatment guidelines, there is no consensus about diagnostic methods, primary treatment (non-surgical or surgical) and rehabilitation. It is hypothesized that this lack of consensus and guidelines leads to sub-optimal recovery and higher societal costs. The primary aim of this study is to give a broad insight into the recovery after ATR. Secondarily this study aims to explore factors contributing to recovery and gain insight into the cost-effectiveness of ATR management...
February 11, 2019: BMC Musculoskeletal Disorders
https://read.qxmd.com/read/30739723/power-doppler-ultrasound-findings-before-and-after-focused-extracorporeal-shock-wave-therapy-for-achilles-tendinopathy-a-pilot-study-on-pain-reduction-and-neovascularization-effect
#9
Andrea Santamato, Raffaele Beatrice, Maria Francesca Micello, Francesca Fortunato, Francesco Panza, Christos Bristogiannis, Elsa Cleopazzo, Luca Macarini, Alessandro Picelli, Alessio Baricich, Maurizio Ranieri
Extracorporeal shock wave therapy (ESWT) has been found to have a positive effect in the treatment of pain in Achilles tendinopathy, although the exact mechanism is not yet completely understood. Among the mechanisms suggested to underlie ESWT effects are direct stimulation of healing, neovascularization and direct suppressive effects on nociceptors and hyperstimulation, which would block the gate-control system. The neovascularization observed in flogistic tissue is associated with stimulated nerve fibers around tendons and induces a painful condition...
February 7, 2019: Ultrasound in Medicine & Biology
https://read.qxmd.com/read/30655054/shear-wave-elastography-swe-of-asymptomatic-achilles-tendons-a-comparison-between-semiprofessional-athletes-and-the-nonathletic-general-population
#10
Timm Dirrichs, Simone Schrading, Matthias Gatz, Markus Tingart, Christiane K Kuhl, Valentin Quack
RATIONALE AND OBJECTIVES: It has been shown that Shear Wave Elastography (SWE) is a useful tool to evaluate tendon stiffness, e.g. in diagnosing tendinopathies, as diseased or injured tendons are intra-individually softer than healthy ones. But reference values between different population groups are still missing. The purpose of this prospective clinical study was two-fold: First, to comparatively analyse Achilles tendon stiffness between asymptomatic semiprofessional athletes and an asymptomatic nonathletic control group...
January 14, 2019: Academic Radiology
https://read.qxmd.com/read/30620269/ultrasound-pathology-of-the-entheses-in-an-age-and-gender-stratified-sample-of-healthy-adult-subjects-a-prospective-cross-sectional-frequency-study
#11
Jørgen Guldberg-Møller, Lene Terslev, Sabrina M Nielsen, Merete Juhl Kønig, Søren T Torp-Pedersen, Arendse Torp-Pedersen, Robin Christensen, Henning Bliddal, Karen Ellegaard
OBJECTIVES: Ultrasound (US) examination of the entheses is increasingly used. However, little is known about US findings in the entheses in asymptomatic persons. The aim of this study was to investigate the appearance of US signs in the enthuses of the lower limb in asymptomatic subjects. METHODS: We recruited 64 subjects, eight women and eight men whose ages covered four decades, from 20 to 60 years. None had tendon or joint disease in the lower limbs. Participants were examined by a rheumatologist and blood samples were collected to rule out enthesis pathology...
December 19, 2018: Clinical and Experimental Rheumatology
https://read.qxmd.com/read/30592321/ankle-and-foot-ultrasound-reliability-of-side-to-side-comparison-of-small-anatomic-structures
#12
Federica Rossi, Federico Zaottini, Riccardo Picasso, Carlo Martinoli, Alberto Stefano Tagliafico
OBJECTIVES: In sonography of clinically relevant small structures of the ankle and foot, the healthy contralateral side can be used as a reference to identify subtle abnormalities. Intrasubject side-to-side variability must be minimal. The aim of this study was to assess the reliability of side-to-side sonographic evaluation of small structures of the ankle and foot. METHODS: Thirty healthy volunteers were prospectively studied. Small structures of the ankle and foot were evaluated bilaterally by 2 musculoskeletal radiologists in separate sessions...
December 28, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://read.qxmd.com/read/30588327/surgical-plantaris-tendon-removal-for-patients-with-plantaris-tendon-related-pain-only-and-a-normal-achilles-tendon-a-case-series
#13
Håkan Alfredson, Lorenzo Masci, Christoph Spang
Objectives: Surgical removal of the plantaris tendon can cure plantaris-associated Achilles tendinopathy, a condition in which Achilles and plantaris tendinopathy coexist. However, rare cases with plantaris tendinopathy alone are often misdiagnosed due to a normal Achilles tendon. Design and setting: Prospective case series study at one centre. Participants: Ten consecutive patients (9 men and one woman, mean age 35 years, range 19-67) with plantaris tendon-related pain alone in altogether 13 tendons were included...
2018: BMJ Open Sport & Exercise Medicine
https://read.qxmd.com/read/30543997/comparison-of-the-sonographic-features-of-the-achilles-tendon-complex-in-patients-with-and-without-achilles-tendinopathy-a-case-control-study
#14
Carlos Romero-Morales, Pedro Javier Martín-Llantino, César Calvo-Lobo, Patricia Palomo-López, Daniel López-López, Helios Pareja-Galeano, David Rodríguez-Sanz
AIM: The aim of the present study was to evaluate and quantify with ultrasound imaging (USI) the Achilles tendon thickness, cross-sectional area (CSA), Kager's fat pad length and gastrocnemius-soleus pennation angle (PA) between chronic mid-portion Achilles tendinopathy (AT) and healthy subjects. METHODS: A total sample of 143 individuals (age: 41.3 ± 12.0 y; height: 1.74 ± 0.0 m; weight: 75.0 ± 11.4 kg; body mass index, BMI: 24.4 ± 2.6 kg/m2 ) was recruited and divided in two groups: chronic mid-portion AT group (n = 71) and a healthy group (n = 72)...
January 2019: Physical Therapy in Sport
https://read.qxmd.com/read/30527289/grayscale-ultrasonic-and-shear-wave-elastographic-characteristics-of-the-achilles-tendon-in-patients-with-familial-hypercholesterolemia-a-pilot-study
#15
Lei Zhang, Qiang Yong, Tianning Pu, Chao Zheng, Mingyue Wang, Sujun Shi, Liang Li
OBJECTIVE: To investigate the feasibility of grayscale ultrasound and quantitative shear wave elastography (SWE) for assessing the image features and stiffness of the Achilles tendon in patients with familial hypercholesterolemia (FH) compared with healthy controls. METHODS: A total of 38 Achilles tendons from healthy control participants and 94 from patients with FH were examined with grayscale ultrasound and SWE. Each Achilles tendon examination was performed on 3 different segments (proximal, middle, and distal)...
December 2018: European Journal of Radiology
https://read.qxmd.com/read/30503304/diagnostic-accuracy-of-ultrasound-and-mri-for-achilles-tendon-xanthoma-in-people-with-familial-hypercholesterolemia-a-systematic-review
#16
REVIEW
Alex Scott, Thomas Michael Zahradnik, Kipling Squier, Charlotte Beck, Liam R Brunham
BACKGROUND: Achilles tendon xanthoma (ATX) results from tendon thickening and subclinical inflammation triggered by hypercholesterolemia, and is associated with more severe coronary artery disease and a higher risk of cardiovascular events. The ability to detect ATX by clinical examination is limited, and diagnostic imaging, for instance, using ultrasonography or magnetic resonance imagine (MRI), may improve the identification of ATX. However, the accuracy of ultrasound (US) imaging or MRI in identifying ATX in people with familial hypercholesterolemia (FH) has not been systematically reviewed...
November 7, 2018: Journal of Clinical Lipidology
https://read.qxmd.com/read/30473135/assessing-non-uniform-stiffening-of-the-achilles-tendon-noninvasively-using-surface-wave
#17
Muhammad Salman, Karim G Sabra
Currently, noninvasive cost-effective techniques capable of quantifying non-uniform degradation of tendon's mechanical and structural properties associated with localized tendon injuries are not readily available. This study demonstrates the applicability of a simple surface-wave elastography (SURF-E) method for assessing the stiffness of the Achilles Tendon by measuring the propagation velocity of surface waves along the tendon in a much broader range of values than currently available Ultrasound-based or MRI-based elastography methods do...
November 15, 2018: Journal of Biomechanics
https://read.qxmd.com/read/30459432/assessing-the-elastic-properties-of-skeletal-muscle-and-tendon-using-shearwave-ultrasound-elastography-and-myotonpro
#18
Y N Feng, Y P Li, C L Liu, Z J Zhang
The purposes of this study were to compare Young's modulus values determined by shear wave ultrasound elastography (SWUE) with stiffness index obtained using a hand-held MyotonPRO device on the resting stiffness of gastrocnemius muscle belly and Achilles tendon; and to examine the test-retest reliability of those stiffness measurement using hand-held MyotonPRO. Twenty healthy volunteers participated in the study. The measurement values of muscle and tendon was determined in dominant legs. Each marker point was assessed using MyotonPRO and SWUE, respectively...
November 20, 2018: Scientific Reports
https://read.qxmd.com/read/30459115/recurrent-tendosynovitis-as-a-rare-manifestation-of-a-lipid-disorder
#19
Daniel Wadsack, Horst Sattler, Marcus E Kleber, Katharina Eirich, Hubert Scharnagl, Günter Fauler, Winfried März, Tanja B Grammer
A 33-year-old female had suffered from spontaneously recurrent bursitis and tendosynovitis/enthesitis of the patellar and Achilles tendons for about 10 years. The episodes of immobilization increased. Ultrasound imaging of the swollen and painful tendons showed chronic inflammation with neoangiogenesis within the tendons and hypoechoic lesions. Clinical and laboratory tests did not provide evidence for a rheumatic disease. Low density lipoprotein cholesterol was elevated. Biopsies of skin lesions did not confirm the suspicion of cutaneous xanthomas...
October 24, 2018: Journal of Clinical Lipidology
https://read.qxmd.com/read/30424837/influence-of-altered-geometry-and-material-properties-on-tissue-stress-distribution-under-load-in-tendinopathic-achilles-tendons-a-subject-specific-finite-element-analysis
#20
Vickie B Shim, Wencke Hansen, Richard Newsham-West, Leila Nuri, Steven Obst, Claudio Pizzolato, David G Lloyd, Rod S Barrett
Achilles tendon material properties and geometry are altered in Achilles tendinopathy. The purpose of this study was to determine the relative contributions of altered material properties and geometry to free Achilles tendon stress distribution during a sub-maximal contraction in tendinopathic relative to healthy tendons. Tendinopathic (n = 8) and healthy tendons (n = 8) were imaged at rest and during a sub-maximal voluntary isometric contraction using three-dimensional freehand ultrasound. Images were manually segmented and used to create subject-specific finite element models...
October 28, 2018: Journal of Biomechanics
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