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Ultrasound

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168 papers 100 to 500 followers
https://www.readbyqxmd.com/read/28744328/ultrasonographic-imaging-and-anti-inflammatory-therapy-of-muscle-and-tendon-injuries-using-polymer-nanoparticles
#1
Gi-Wook Kim, Changsun Kang, Young-Bin Oh, Myoung-Hwan Ko, Jeong-Hwan Seo, Dongwon Lee
Ultrasonography is a reliable diagnostic modality for muscle and tendon injuries, but it has been challenging to find right diagnosis of minor musculoskeletal injuries by conventional ultrasonographic imaging. A large amount of hydrogen peroxide (H2O2) are known to be generated during tissue damages such as mechanical injury and therefore H2O2 holds great potential as a diagnostic and therapeutic marker for mechanical injuries in the musculoskeletal system. We previously developed poly(vanillyl alcohol-co-oxalate) (PVAX), which rapidly scavenges H2O2 and exerts antioxidant and anti-inflammatory activity in H2O2-associated diseases...
2017: Theranostics
https://www.readbyqxmd.com/read/28355674/ultrasound-of-the-knee-common-pathology-excluding-extensor-mechanism
#2
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/27922951/anatomic-and-ultrasonographic-evaluation-of-the-knee-sensory-innervation-a-cadaveric-study-to-determine-anatomic-targets-in-the-treatment-of-chronic-knee-pain
#3
Jorge M Orduña Valls, Ricardo Vallejo, Pablo López Pais, Eliezer Soto, Daniel Torres Rodríguez, David L Cedeño, Carlos Tornero Tornero, Maximino Quintáns Rodríguez, Aurora Baluja González, Julián Álvarez Escudero
BACKGROUND AND OBJECTIVES: Osteoarthrosis is a main cause of knee pain in the elderly. Pain associated with this condition is often refractory to conservative treatment. Total knee replacement may be the best option for severe pathologies; however, the occurrence of a chronic pain state after knee replacement has been well documented in the literature. The previous descriptions of the genicular nerves have been considered somewhat inaccurate. This innervation is complex and exhibits significant interindividual variability...
January 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27925702/quantitative-elastosonography-of-the-myotendinous-junction-normal-behavior-and-correlation-with-a-standard-measurement-system-during-functional-tests
#4
Paolo Minafra, Chandra Bortolotto, Ermanno Rampinini, Fabrizio Calliada, Giuseppe Monetti
OBJECTIVES: In recent years, an increasing need to use imaging to assess normal and adaptive muscle function, in addition to its anatomy and structure, has emerged. We evaluated the myotendinous junction's elastosonographic behavior in light of the most recent literature on its physiologic behavior. The elastosonographic studies were compared with the results obtained from a standard measurement system to ensure a correlation with maximal muscle contraction. METHODS: Nineteen male professional soccer players were assessed during functional tests...
January 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27931965/musculoskeletal-interventional-procedures-with-or-without-imaging-guidance
#5
REVIEW
David Kane, Juhani Koski
Aspiration and injection of joints and soft tissues is an indispensable skill used in everyday practice by the clinical rheumatologist. Most rheumatologists recognise that performing these procedures using anatomical landmarks is not always successful, particularly in the case of small or infrequently injected joints, bursae or tendon sheaths. Musculoskeletal ultrasound confirms the local pathological-anatomical diagnosis and is the most applicable and feasible imaging method that can be applied in clinical practice in guiding musculoskeletal interventional procedures...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27789336/differential-plantaris-achilles-tendon-motion-a-sonographic-and-cadaveric-investigation
#6
Jay Smith, Håkan Alfredson, Lorenzo Masci, Jacob L Sellon, Charonn D Woods
BACKGROUND: Differential motion between the plantaris and Achilles tendons has been hypothesized to contribute to pain in some patients presenting with Achilles tendinopathy. However, objective evidence of differential Achilles-plantaris motion is currently lacking from the literature. OBJECTIVE: To determine whether differential, multidirectional motion exists between the plantaris tendon (PT) and Achilles tendon (AT) as documented by dynamic ultrasound (US) and postdissection examination in an unembalmed cadaveric model...
October 24, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27468674/orthobiologic-interventions-using-ultrasound-guidance
#7
REVIEW
Gerard Malanga, Dena Abdelshahed, Prathap Jayaram
The application of regenerative therapies for the treatment of musculoskeletal conditions has emerged over the last decade with recent acceleration. These include prolotherapy, platelet-rich plasma, and mesenchymal stem cell therapy. These strategies augment the body's innate physiology to heal pathologic processes. This article presents an overview of platelet-rich plasma and mesenchymal stem cell therapy for the treatment of musculoskeletal injuries. A brief literature review is included, as are techniques for the use of ultrasound guidance to assist with these procedures...
August 2016: Physical Medicine and Rehabilitation Clinics of North America
https://www.readbyqxmd.com/read/27545426/ultrasound-guided-interventions-for-core-and-hip-injuries-in-athletes
#8
REVIEW
Eoghan McCarthy, Tarek M Hegazi, Adam C Zoga, William B Morrison, William C Meyers, Alex E Poor, Mika T Nevalainen, Johannes B Roedl
Trauma and the mechanical strain of high-energy activity predispose athletes to pelvic injuries. Magnetic resonance imaging remains the primary modality for diagnosing these conditions, but ultrasonography-guided interventions are important in the management of core muscle, hip, and other pelvic conditions. This article reviews ultrasonography-guided interventions for injuries at the core, including the pelvis and hips. It reviews common injuries, procedure optimization, medication preparation, clinical evidence behind injections, tenotomy, and platelet-rich plasma...
September 2016: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27318786/shear-wave-elastography-swe-for-the-evaluation-of-patients-with-tendinopathies
#9
Timm Dirrichs, Valentin Quack, Matthias Gatz, Markus Tingart, Christiane K Kuhl, Simone Schrading
RATIONALE AND OBJECTIVES: Shear wave elastography (SWE) has been shown to be a powerful tool to estimate tissue stiffness. The aim of this study was to compare the diagnostic accuracy of SWE to that of standard ultrasound (US) (combined use of B-mode US and power Doppler [PD] US) for diagnosing tendinopathies. MATERIALS AND METHODS: This is a prospective institutional review board-approved study on 112 participants (mean age 42 ± 13.4 years) with chronic (>6 months) tendon pain in Achilles, patellar, or epicondylar tendons...
October 2016: Academic Radiology
https://www.readbyqxmd.com/read/27320798/nerve-distributions-in-insertional-achilles-tendinopathy-a-comparison-of-bone-bursae-and-tendon
#10
COMPARATIVE STUDY
Gustav Andersson, Ludvig J Backman, Jens Christensen, Håkan Alfredson
BACKGROUND/AIM: In a condition of pain in the Achilles tendon insertion there are multiple structures involved, such as the Achilles tendon itself, the retrocalcaneal bursa and a bony protrusion at the calcaneal tuberosity called Haglund's deformity. The innervation patterns of these structures are scarcely described, and the subcutaneous calcaneal bursa is traditionally not considered to be involved in the pathology. This study aimed at describing the innervation patterns of the four structures described above to provide a better understanding of possible origins of pain at the Achilles tendon insertion...
March 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/27317917/the-sonographic-posterolateral-rotatory-stress-test-for-elbow-instability-a-cadaveric-validation-study
#11
Christopher L Camp, Shawn W O'Driscoll, Michael K Wempe, Jay Smith
BACKGROUND: Although clinical tests can detect posterolateral rotatory instability (PLRI) of the elbow, the ability of ultrasound to evaluate PLRI has not been assessed. OBJECTIVE: To determine whether increasing stages of posterolateral rotatory subluxation of the elbow could be assessed accurately with a sonographic posterolateral rotatory stress test. DESIGN: Cadaveric study. SETTING: Laboratory. PATIENTS: Ten, unpaired, cadaveric upper limbs...
June 16, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27279926/use-of-ultrasound-elastography-in-the-assessment-of-the-musculoskeletal-system
#12
REVIEW
Łukasz Paluch, Ewa Nawrocka-Laskus, Janusz Wieczorek, Bartosz Mruk, Małgorzata Frel, Jerzy Walecki
This article presents possible applications of ultrasound elastography in musculoskeletal imaging based on the available literature, as well as the possibility of extending indications for the use of elastography in the future. Ultrasound elastography (EUS) is a new method that shows structural changes in tissues following application of physical stress. Elastography techniques have been widely used to assess muscles and tendons in vitro since the early parts of the twentieth century. Only recently with the advent of new technology and creation of highly specialized ultrasound devices, has elastography gained widespread use in numerous applications...
2016: Polish Journal of Radiology
https://www.readbyqxmd.com/read/27281053/ultrasound-characteristics-of-bruises-and-their-correlation-to-cutaneous-appearance
#13
Travis Helm, Cynthia Bir, Mikaela Chilstrom, Ilene Claudius
OBJECTIVE: The primary objective of this study was to compare the cutaneous size of a bruise on gross exam to the subcutaneous depth and height of the hematoma ascertained by ultrasound. The hypothesis was that there would be little correlation between the area of the bruise on cutaneous exam and the height when measured with ultrasound. METHODS: Adult and pediatric patients with bruising were prospectively identified in the emergency department. Photographs and ultrasound images were collected of the bruises and epidemiologic information collected from the patients...
September 2016: Forensic Science International
https://www.readbyqxmd.com/read/27286419/ultrasound-imaging-in-medical-student-education-impact-on-learning-anatomy-and-physical-diagnosis
#14
REVIEW
Sokpoleak So, Rita M Patel, Steven L Orebaugh
Ultrasound use has expanded dramatically among the medical specialties for diagnostic and interventional purposes, due to its affordability, portability, and practicality. This imaging modality, which permits real-time visualization of anatomic structures and relationships in vivo, holds potential for pre-clinical instruction of students in anatomy and physical diagnosis, as well as providing a bridge to the eventual use of bedside ultrasound by clinicians to assess patients and guide invasive procedures. In many studies, but not all, improved understanding of anatomy has been demonstrated, and in others, improved accuracy in selected aspects of physical diagnosis is evident...
March 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/27257578/diagnosis-of-ulnar-nerve-entrapment-at-the-arcade-of-struthers-with-electromyography-and-ultrasound
#15
Wesley N Sivak, Sarah E Hagerty, Lisa Huyhn, Adrienne C Jordan, Michael C Munin, Alexander M Spiess
Ulnar neuropathy is caused by compression of the ulnar nerve in the upper extremity, frequently occurring at the level of the elbow or wrist. Rarely, ulnar nerve entrapment may be seen proximal to the elbow. This report details a case of ulnar neuropathy diagnosed and localized to the arcade of Struthers with electromyography (EMG) and ultrasound (US) imaging and confirmed at time of operative release. US imaging and EMG findings were used to preoperatively localize the level of compression in a patient presenting with left ulnar neuropathy...
March 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/27262991/ultrasound-guided-intra-articular-tenotomy-of-the-long-head-of-the-biceps-a-cadaveric-feasibility-study
#16
Frank Atlan, Jean David Werthel
PURPOSE: Isolated tenotomy of the long head of the biceps (LHB) is known to improve function in patients with massive and non-reparable cuff tears without osteoarthritis. This two step cadaveric study was performed with the purpose to identify the best surgical technique for isolated LHB tenotomy under USG guidance (pilot study) and evaluate its feasibility (subsequent study). METHODS: Pre-operative ultrasonographic evaluation of the rotator cuff was performed and any specimens whose long head of the biceps was not found to be intact during the pre-operative ultrasound evaluation were excluded...
December 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27230047/the-evolution-of-contrast-ultrasound-from-diagnosis-to-therapy
#17
EDITORIAL
Steven B Feinstein
No abstract text is available yet for this article.
May 31, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27235340/ultrasound-which-role-in-body-composition
#18
REVIEW
Alberto Bazzocchi, Giacomo Filonzi, Federico Ponti, Ugo Albisinni, Giuseppe Guglielmi, Giuseppe Battista
Ultrasound is a non-invasive, fast, relatively inexpensive and available tool for estimating adiposity in clinical practice, and in several research settings. It does not expose patients to ionizing radiation risks, making the method ideal for the evaluation, and for follow-up studies. Several parameters and indexes based on adipose tissue thickness have been introduced and tested, and these have been correlated with clinical and laboratoristic parameters. Moreover, ultrasound can also be directed to the estimation of adipose tissue and intracellular fat indirectly, at cellular-molecular level: an opportunity for many radiologists who already and sometimes unconsciously perform "body composition" assessment when looking at the liver, at muscle as well as at other organs...
August 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27210237/sonographic-visualization-of-thenar-motor-branch-of-the-median-nerve-a-cadaveric-validation-study
#19
Jay Smith, Darryl E Barnes, Kailee J Barnes, Jeffrey A Strakowski, Nirusha Lachman, Sanjeev Kakar, Carlo Martinoli
BACKGROUND: The thenar motor branch (TMB) of the median nerve may be affected in carpal tunnel syndrome and can be injured during carpal tunnel surgery. Although ultrasound has been used to identify small nerves throughout the body, the sonographic evaluation of the TMB has not been investigated formally. OBJECTIVE: To document the ability of ultrasound to visualize the TMB of the median nerve in an unembalmed cadaveric model. DESIGN: Prospective laboratory investigation...
February 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27224839/ultrasound-guided-percutaneous-tendon-treatments
#20
REVIEW
Christopher J Burke, Ronald S Adler
OBJECTIVE: The purpose of this article is to review currently available tendon treatments, especially those performed with sonographic guidance. CONCLUSION: Treatments of tendon disease have continued to develop and expand, and multiple therapeutic options have become available, all with varying levels of supportive clinical evidence of their efficacy. The use of ultrasound to direct these treatments improves accuracy and performance by facilitating visualization of the target and relevant adjacent structures...
September 2016: AJR. American Journal of Roentgenology
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