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https://www.readbyqxmd.com/read/28230569/procedure-oriented-torsional-anatomy-of-the-hand-for-spasticity-injection
#1
Joslyn John, John Cianca, Faye Chiou-Tan, Sindhu Pandit, Erin Furr-Stimming, Katherine H Taber
OBJECTIVES: To provide musculoskeletal ultrasound (MSKUS) images of hand anatomy in the position of hemiparetic flexion as a reference for spasticity injections. After a stroke, spasticity can result in anatomic distortion of the hand. Spasticity may require treatment with botulinum toxin or phenol injections. Anatomic distortion may decrease the accuracy of injections. Standard anatomic references are of limited utility because they are not in this spastic hemiparetic position. There presently is no anatomic reference in the literature for these spastic postures...
February 23, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28209340/ultrasound-guided-injection-for-de-quervain-s-disease-accuracy-and-its-influenceable-anatomical-variances-in-first-extensor-compartment-of-fresh-cadaver-wrists
#2
Jong Woo Kang, Jong Woong Park, Soon Hyuck Lee, Jong Hoon Park, Seung Bum Han, Si Young Park, Woong Kyo Jeong
BACKGROUND: This study was designed to evaluate the accuracy of ultrasound-guided injection targeting EPB tendon sheath and influenceable anatomical variances to the accuracy in the first extensor compartment of fresh cadaver wrists. METHODS: Thirty wrists of 15 cadavers were used. The wrists were divided into right-sided wrists (control group) and left-sided wrists (group A) to compare the accuracy of the manual injection technique (control group) and ultrasound-guided injection technique (group A) targeting EPB tendon sheath...
February 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28205264/the-influence-of-patellar-tendon-and-muscle-tendon-unit-stiffness-on-quadriceps-explosive-strength-in-man
#3
Garry J Massey, Thomas G Balshaw, Thomas M Maden-Wilkinson, Neale A Tillin, Jonathan P Folland
The influence of musculotendinous tissue stiffness on contractile rate of torque development (RTD) remains opaque. This study examined the relationships between both patellar tendon (PT) and vastus lateralis (VL) muscle-tendon unit (MTU) stiffness, and voluntary and evoked knee extension RTD. Fifty-two healthy untrained males completed duplicate laboratory sessions. Absolute and relative RTD was measured at 50 Nm/25%MVT increments from onset and sequentially during explosive voluntary and evoked octet (supramaximal stimulation: [8 pulses at 300 Hz]) isometric contractions...
February 15, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28203585/can-grafts-provide-superior-tendon-healing-and-clinical-outcomes-after-rotator-cuff-repairs-a-meta-analysis
#4
Yohei Ono, Diego Alejandro Dávalos Herrera, Jarret M Woodmass, Richard S Boorman, Gail M Thornton, Ian K Y Lo
BACKGROUND: Arthroscopic repair of large to massive rotator cuff tears commonly retear. To improve healing rates, a number of different approaches have been utilized, including the use of grafts, which may enhance the biomechanical and biologic aspects of the repair construct. However, the outcomes after the use of grafts are diverse. PURPOSE: To systematically review the literature for large to massive rotator cuff tears to determine whether the use of grafts generally provides superior tendon healing and clinical outcomes to the repairs without grafts...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28202584/comparison-of-human-gastrocnemius-forces-predicted-by-hill-type-muscle-models-and-estimated-from-ultrasound-images
#5
Taylor J M Dick, Andrew A Biewener, James M Wakeling
Hill-type models are ubiquitous in the field of biomechanics, providing estimates of a muscle's force as a function of its activation state and its assumed force-length and force-velocity properties. However, despite their routine use, the accuracy with which Hill-type models predict the forces generated by muscles during submaximal, dynamic tasks remains largely unknown. This study compared human gastrocnemii forces predicted by Hill-type models to the forces estimated from ultrasound-based measures of tendon length changes and stiffness during cycling, over a range of loads and cadences...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28197895/follow-up-of-surgical-and-minimally-invasive-treatment-of-achilles-tendon-pathology-a-brief-diagnostic-imaging-review
#6
REVIEW
A Barile, F Bruno, S Mariani, F Arrigoni, L Brunese, M Zappia, A Splendiani, E Di Cesare, C Masciocchi
The follow-up of an operated tendon is primarily clinical, although clinical examination may not be sufficient in the presence of certain complications. The imaging techniques are of great value not only in the diagnosis of tendon pathologies, but also as an adjunct to clinical evaluation. This is particularly true in the follow-up of patients submitted to surgical tendon reconstruction, by monitoring morphological effects of different interventions and evaluating tendon healing processes. Interpretation of imaging findings requires knowledge of the imaging appearance of the operated tendon during the healing phase, to distinguish between normal postsurgical changes and real pathology, as well as knowledge of surgical technique, postoperative course (including type of prescribed therapy) and possible postoperative complications...
February 14, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28197744/efficiency-of-quantitative-echogenicity-for-investigating-supraspinatus-tendinopathy-by-the-gray-level-histogram-of-two-ultrasound-devices
#7
Jiun-Cheng Hsu, Po-Han Chen, Kuo-Chin Huang, Yao-Hung Tsai, Wei-Hsiu Hsu
PURPOSE: The gray-level histogram of ultrasound is a promising tool for scanning the hypoechogenic appearance of supraspinatus tendinopathy, and the aim of this study was to test the hypothesis that the gray-level value of the supraspinatus tendon in the painful shoulder has a lower value on B-mode images even though in different ultrasound devices. METHODS: Sixty-seven patients who had unilateral shoulder pain with rotator cuff tendinopathy underwent bilateral shoulder ultrasonography, and we compared the mean gray-level values of painful shoulders and contralateral shoulders without any pain in each patient using two ultrasound devices...
February 14, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28190986/algorithms-for-automatically-pointing-ultrasound-imaging-catheters
#8
Paul M Loschak, Laura J Brattain, Robert D Howe
A system for automatically pointing ultrasound (US) imaging catheters will enable clinicians to monitor anatomical structures and track instruments during interventional procedures. Off-the-shelf US catheters provide high quality US images from within the patient. While this method of imaging has been proven to be effective for guiding many interventional treatments, significant training is required to overcome the difficulty in manually steering the imager to point at desired structures. Our system uses closed-form four degree of freedom (DOF) kinematic solutions to automatically position the US catheter and point the imager...
February 2017: IEEE Transactions on Robotics: a Publication of the IEEE Robotics and Automation Society
https://www.readbyqxmd.com/read/28188545/a-review-of-mallet-finger-and-jersey-finger-injuries-in-the-athlete
#9
REVIEW
Abdo Bachoura, Alex J Ferikes, John D Lubahn
PURPOSE OF REVIEW: The purposes of this review are to discuss the diagnosis and management of mallet and jersey finger injuries in athletes and to highlight how treatment impacts return to play. RECENT FINDINGS: Mallet finger: although numerous non-operative and operative techniques have been described, there continues to be little consensus regarding the optimal procedure. Jersey finger: ultrasound appears to be a cost-effective imaging modality that may be useful for preoperative planning...
February 10, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28185748/validity-of-ultrasound-in-diagnosis-of-tendon-injuries-in-penetrating-extremity-trauma
#10
Narges Mohammadrezaei, Javad Seyedhosseini, Elnaz Vahidi
BACKGROUND: Tendon ruptures are common musculoskeletal injuries all around the world. Correct and timely diagnosis of tendon injuries is obviously important for improving the treatment and minimizing the community costs. Ultrasound is now being considered as one of useful modalities in this area. OBJECTIVE: The preset study is going to validate the diagnostic ability of ultrasound in tendon injuries induced by penetrating extremity trauma. METHODS: In this prospective, observational study, patients with penetrating extremity trauma and suspicion of tendon injuries were enrolled in our study...
January 27, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28181179/clinical-examination-ultrasound-and-mri-imaging-of-the-painful-elbow-in-psoriatic-arthritis-and-rheumatoid-arthritis-which-is-better-ultrasound-or-mr-for-imaging-enthesitis
#11
Clare Groves, Muthusamy Chandramohan, Ne Siang Chew, Tariq Aslam, Philip S Helliwell
INTRODUCTION: The purpose of the current study was to examine the painful elbow, and in particular enthesitis, in psoriatic arthritis (PsA) and rheumatoid arthritis (RA) using clinical examination, ultrasonography (US) and magnetic resonance imaging (MRI). METHODS: Patients with elbow pain (11 with PsA and 9 with RA) were recruited. Clinical examination, US and MRI studies were performed on the same day. For enthesitis, the common extensor and flexor insertions and the triceps insertion were imaged (20 patients, giving a total of 60 sites with comparative data)...
February 8, 2017: Rheumatology and Therapy
https://www.readbyqxmd.com/read/28170430/efficient-decellularization-for-tissue-engineering-of-the-tendon-bone-interface-with-preservation-of-biomechanics
#12
Kai Xu, Lara A Kuntz, Peter Foehr, Katharina Kuempel, Alexandra Wagner, Jutta Tuebel, Constantin V Deimling, Rainer H Burgkart
Interfaces between tendon/ligament and bone ("entheses") are highly specialized tissues that allow for stress transfer between mechanically dissimilar materials. Entheses show very low regenerative capacity resulting in high incidences of failure after surgical repair. Tissue engineering is a promising approach to recover functionality of entheses. Here, we established a protocol to decellularize porcine entheses as scaffolds for enthesis tissue engineering. Chemical detergents as well as physical treatments were investigated with regard to their efficiency to decellularize 2 mm thick porcine Achilles tendon entheses...
2017: PloS One
https://www.readbyqxmd.com/read/28162938/a-systematic-review-of-the-reliability-of-diagnostic-ultrasound-imaging-in-measuring-tendon-size-is-the-error-clinically-acceptable
#13
REVIEW
Sean Mc Auliffe, Karen Mc Creesh, Helen Purtill, Kieran O'Sullivan
BACKGROUND: Diagnostic ultrasound (US) is a commonly used imaging modality for visualising tendon pathology and morphology. In comparison to magnetic resonance imaging (MRI), diagnostic US is perceived to have a higher risk of error when evaluating tendon size. AIM: To systematically assess the evidence regarding the Intra rater and Inter rater reliability of diagnostic US measurements of tendon size. DATA SOURCES: Eight electronic databases were searched using an agreed set of keywords...
December 8, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/28145920/successful-treatment-of-gluteal-pain-from-obturator-internus-tendinitis-and-bursitis-with-ultrasound-guided-injection
#14
Boqing Chen, Leia Rispoli, Todd Stitik, Michelle Leong
This case report describes what the authors believe is the first case of a patient with obturator internus tendinitis and bursitis successfully treated with a corticosteroid injection using a trans-tendinous lateral to medial approach. The patient presented with right gluteal pain not relieved by physical therapy or right hip and ischial bursa corticosteroid injections. Pelvic and lumbar spine MRIs and EMG/NCS findings were unremarkable. Physical examination demonstrated tenderness to palpation at the right middle lower gluteal region...
January 31, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28145739/achilles-tendon-loading-during-heel-raising-and-lowering-exercises
#15
Andrew Revak, Keith Diers, Thomas W Kernozek, Naghmeh Gheidi, Christina Olbrantz
CONTEXT:  Achilles tendinopathies are common injuries during sport participation, although men are more prone to Achilles tendon injuries than women. Heel-raising and -lowering exercises are typically suggested for Achilles tendon rehabilitation. OBJECTIVE:  To compare the estimated Achilles tendon loading variables and the ankle range of motion (ROM) using a musculoskeletal model during commonly performed heel-raising and -lowering exercises. DESIGN:  Controlled laboratory study...
February 1, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28141953/interposition-dermal-matrix-xenografts
#16
Julie A Neumann, Miltiadis H Zgonis, Kathleen D Rickert, Kendall E Bradley, Thomas J Kremen, Blake R Boggess, Alison P Toth
BACKGROUND: Management of massive rotator cuff tears in shoulders without glenohumeral arthritis remains problematic for surgeons. Repairs of massive rotator cuff tears have failure rates of 20% to 94% at 1 to 2 years postoperatively as demonstrated with arthrography, ultrasound, and magnetic resonance imaging. Additionally, inconsistent outcomes have been reported with debridement alone of massive rotator cuff tears, and limitations have been seen with other current methods of operative intervention, including arthroplasty and tendon transfers...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28139307/the-efficiency-of-bedside-ultrasonography-in-patients-with-wrist-injury-and-comparison-with-other-radiological-imaging-methods-a-prospective-study
#17
Ahmet Burak Oguz, Onur Polat, Muge Gunalp Eneyli, Behnan Gulunay, Merve Eksioglu, Serdar Gurler
STUDY OBJECTIVE: Our aim was to determine the efficiency of ultrasound (US) scanning in patients with wrist trauma admitted to the emergency department and to compare US diagnostic usage with other radiological imaging methods. METHODS: Patients who presented to the emergency department with wrist injury and who met the inclusion criteria and exclusion criteria were eligible. For all patients, US evaluation of the whole wrist was performed by an emergency physician before other radiological imaging methods (radiographies, computed tomography (CT) and magnetic resonance (MR) imaging)...
January 26, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28138986/stretch-training-induces-unequal-adaptation-in-muscle-fascicles-and-thickness-in-medial-and-lateral-gastrocnemii
#18
C L Simpson, B D H Kim, M R Bourcet, G R Jones, J M Jakobi
This study compared adaptations in fascicle lengths, pennation angles, and muscle thickness of the lateral and medial gastrocnemii in response to 6 weeks of stretch training. The nondominant plantar flexors of 11 males were stretched five times per week for 6 weeks and compared with the contralateral leg and a nonstretched control group of 10 males. During stretch training, instantaneous electromyography was utilized to ensure passive muscle stretch. At baseline, week three, week six and 1 week after the conclusion of stretch training, ultrasound was used to measure fascicle lengths, pennation angles, muscle thickness of the lateral gastrocnemius and medial gastrocnemius, and Achilles tendon thickness and length...
January 30, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28135129/autonomic-responses-to-ultrasound-guided-percutaneous-needle-electrolysis-effect-of-needle-puncture-or-electrical-current
#19
Paula García Bermejo, Blanca De la Cruz Torres, José Naranjo Orellana, Manuel Albornoz Cabello
OBJECTIVE: The aim of this study was to establish if the changes in sympathetic and parasympathetic activity (analyzed through heart-rate variability [HRV]) during ultrasound (US)-guided percutaneous needle electrolysis (PNE) is due to the effect of needle puncture only or of the PNE technique per se where the puncture and galvanic current are combined. METHODS: This was an experimental, case-control study that took place at the University of Seville. Subjects were 36 male footballers who were randomly allocated to three groups: a control group (CG; 12 players), for whom HRV was recorded for 10 min, both at rest and during an exhaustive US examination of the patellar tendon and adjacent structures; a first experimental group (PNE group; 12 players), for whom HRV was recorded for 10 min, both at rest and during application of US-guided PNE in the patellar tendon; and a second experimental group (needle group; 12 players), for whom HRV was recorded for 10 min, both at rest and during application of US-guided PNE without electrical current in the patellar tendon...
January 30, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28132101/sonographic-characterization-of-hoffa-s-fat-pad-a-pilot-study
#20
Erika Vera-Pérez, Guadalupe Sánchez-Bringas, Lucio Ventura-Ríos, Cristina Hernández-Díaz, Socorro Cortés, Marwin Gutiérrez, Carlos Pineda
This study addresses a topic that was previously unaddressed in the literature: the normal sonographic appearance of the Hoffa's fat pad (HFP) in young, asymptomatic subjects. The aim of the study is to describe the sonoanatomical features of HFP, including its echostructure, echogenicity, elasticity, and vascularization, in subjects without knee pathology. Knees of healthy subjects were examined with grayscale ultrasound (US) to determine the sonographic characteristics of the HFP. Echogenicity was assessed by pixel intensity quantification...
January 28, 2017: Rheumatology International
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