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neuromuscular ultrasound

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https://www.readbyqxmd.com/read/28611677/greater-neural-adaptations-following-high-vs-low-load-resistance-training
#1
Nathaniel D M Jenkins, Amelia A Miramonti, Ethan C Hill, Cory M Smith, Kristen C Cochrane-Snyman, Terry J Housh, Joel T Cramer
We examined the neuromuscular adaptations following 3 and 6 weeks of 80 vs. 30% one repetition maximum (1RM) resistance training to failure in the leg extensors. Twenty-six men (age = 23.1 ± 4.7 years) were randomly assigned to a high- (80% 1RM; n = 13) or low-load (30% 1RM; n = 13) resistance training group and completed leg extension resistance training to failure 3 times per week for 6 weeks. Testing was completed at baseline, 3, and 6 weeks of training. During each testing session, ultrasound muscle thickness and echo intensity, 1RM strength, maximal voluntary isometric contraction (MVIC) strength, and contractile properties of the quadriceps femoris were measured...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28582897/reflex-mediated-dynamic-neuromuscular-stabilization-in-stroke-patients-emg-processing-and-ultrasound-imaging
#2
Hyun S Yoon, Joshua Sung H You
BACKGROUND: Postural core instability is associated with poor dynamic balance and a high risk of serious falls. Both neurodevelopmental treatment (NDT) and dynamic neuromuscular stabilization (DNS) core stabilization exercises have been used to improve core stability, but the outcomes of these treatments remain unclear. OBJECTIVE: This study was undertaken to examine the therapeutic effects of NDT and DNS core stabilization exercises on muscular activity, core stability, and core muscle thickness...
May 19, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28575753/foot-muscle-morphology-is-related-to-center-of-pressure-sway-and-control-mechanisms-during-single-leg-standing
#3
Xianyi Zhang, Kurt Heinrich Schütte, Benedicte Vanwanseele
Maintaining balance is vitally important in everyday life. Investigating the effects of individual foot muscle morphology on balance may provide insights into neuromuscular balance control mechanisms. This study aimed to examine the correlation between the morphology of foot muscles and balance performance during single-leg standing. Twenty-eight recreational runners were recruited in this study. An ultrasound device was used to measure the thickness and cross-sectional area of three intrinsic foot muscles (abductor hallucis, flexor digitorum brevis and quadratus plantae) and peroneus muscles...
May 25, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28386682/-update-in-neuroanesthesiology-key-publications
#4
V-S Eckle, G Schneider
One of the aims of the Scientific Working Group Neuroanesthesia (WAKNA) of the German Society of Anesthesiology and Intensive Care Medicine is to disseminate new findings in the field of neuroscience and neuroanesthesia and to propagate novel therapeutic and diagnostic options into clinical practice. Once a year, the WAKNA displays and discusses recent noteworthy publications from the past 12 months at the German Anesthesia Meeting. In 2016, a new pharmacologic strategy with dexmedetomidine to prevent postoperative pain after craniotomy, the impact of the widely used anesthetic drug propofol on GABA receptor surface expression, a study highlighting the ultrasound-guided detection of increased intracranial pressure, and an article showing the interactions of neuromuscular blocking drugs on the BIS neuromonitoring were presented...
June 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28382599/diagnostic-accuracy-of-quantitative-neuromuscular-ultrasound-for-the-diagnosis-of-intensive-care-unit-acquired-weakness-a-cross-sectional-observational-study
#5
Esther Witteveen, Juultje Sommers, Luuk Wieske, Jonne Doorduin, Nens van Alfen, Marcus J Schultz, Ivo N van Schaik, Janneke Horn, Camiel Verhamme
BACKGROUND: Neuromuscular ultrasound is a noninvasive investigation, which can be easily performed at the bedside on the ICU. A reduction in muscle thickness and increase in echo intensity over time have been described in ICU patients, but the relation to ICU-acquired weakness (ICU-AW) is unknown. We hypothesized that quantitative assessment of muscle and nerve parameters with ultrasound can differentiate between patients with and without ICU-AW. The aim of this cross-sectional study was to investigate the diagnostic accuracy of neuromuscular ultrasound for diagnosing ICU-AW...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28369824/medial-gastrocnemius-and-soleus-muscle-tendon-unit-fascicle-and-tendon-interaction-during-walking-in-children-with-cerebral-palsy
#6
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/28363625/quantifying-neuromuscular-ultrasound-in-amyotrophic-lateral-sclerosis
#7
EDITORIAL
Lisa D Hobson-Webb, Alexander Grimm
No abstract text is available yet for this article.
June 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28337407/fentanyl-induced-chest-wall-rigidity-syndrome-in-a-routine-bronchoscopy
#8
Chee Kiang Phua, Audrey Wee, Albert Lim, John Abisheganaden, Akash Verma
Combination of sedatives such as fentanyl and midazolam during bronchoscopy is recommended by American College of Chest Physician due to its favourable drug profile. It improves patient comfort and tolerance, and is commonly given unless contraindicated. We describe a rare case of fentanyl-induced chest wall rigidity syndrome during a routine bronchoscopy with endobronchial ultrasound guided-transbronchial needle aspiration (EBUS-TBNA) in a 55 year old male presenting with a lung mass and mediastinal lymphadenopathy...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28266288/parathyroid-adenomas-in-adults-and-adolescents-critical-appraisal-and-surgical-strategy-in-18-cases
#9
Mihai Radu Diaconescu, Ioan Costea, Mihai Glod, Radu Terinte, Smaranda Diaconescu
Background: Our study underline scarcity of isolated case reports or small case series of parathyroid adenoma (PA) published in autochthonous medical literature,their variable clinical expression among the "historic" varieties but also the diagnostic difficulties and delays of diagnosis as well consecration of surgery as the golden therapeutic standard of this disorder. PATIENTS AND METHOD: Demographic, clinical presentations, laboratory and imaging data, operative findings and procedures together with pathology account and outcome from the case reports of 18 patients with documented PHP were retrospectively analyzed...
January 2017: Chirurgia
https://www.readbyqxmd.com/read/28214297/advancing-neuromuscular-ultrasound-through-research-finding-common-sound
#10
Lisa Hobson-Webb, Michael S Cartwright
INTRODUCTION: Neuromuscular ultrasound (NMUS) is an accepted, but underutilized, diagnostic tool in the evaluation of neuromuscular disorders. The lack of uniform high-quality standards in published research and in clinical practice has been a limitation to its growth. METHODS: This article aims to address the shortcomings of NMUS research and establish basic standards to guide further work in the field. RESULTS: A review of the basic types of NMUS research papers is presented, along with the elements that each should include...
February 18, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28141512/sonomyography-analysis-on-thickness-of-skeletal-muscle-during-dynamic-contraction-induced-by-neuromuscular-electrical-stimulation-a-pilot-study
#11
Shuang Qiu, Jing Feng, Jiapeng Xu, Rui Xu, Xin Zhao, Peng Zhou, Hongzhi Qi, Lixin Zhang, Dong Ming
Neuromuscular electrical stimulation (NMES) that stimulates skeletal muscles to induce contractions has been widely applied to restore functions of paralyzed muscles. However, the architectural changes of stimulated muscles induced by NMES are still not well understood. The present study applies sonomyography (SMG) to evaluate muscle architecture under NMES-induced and voluntary movements. The quadriceps muscles of seven healthy subjects were tested for eight cycles during an extension exercise of the knee joint with/without NMES, and SMG and the knee joint angle were recorded during the process of knee extension...
January 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28113461/on-the-quantitative-potential-of-viscoelastic-response-visr-ultrasound-using-the-one-dimensional-mass-spring-damper-model
#12
Mallory R Selzo, Christopher J Moore, Md Murad Hossain, Mark Palmeri, Caterina M Gallippi
Viscoelastic Response (VisR) ultrasound is an acoustic radiation force (ARF)-based imaging method that fits induced displacements to a one-dimensional (1D) mass-spring-damper (MSD) model to estimate the ratio of viscous to elastic moduli, τ, in viscoelastic materials. Error in VisR τ estimation arises from inertia and acoustic displacement underestimation. These error sources are herein evaluated using finite element method (FEM) simulations, error correction methods are developed, and corrected VisR τ estimates are compared to true simulated τ values to assess VisR's relevance to quantifying viscoelasticity...
March 8, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28101565/use-of-neuromuscular-electrical-stimulation-to-preserve-the-thickness-of-abdominal-and-chest-muscles-of-critically-ill-patients-a-randomized-clinical-trial
#13
RANDOMIZED CONTROLLED TRIAL
Ana M Dall' Acqua, Amanda Sachetti, Laura J Santos, Fernando A Lemos, Tanara Bianchi, Wagner S Naue, Alexandre S Dias, Graciele Sbruzzi, Silvia R R Vieira
OBJECTIVE: To evaluate and compare the effects of neuromuscular electrical stimulation combined with conventional physical therapy on muscle thickness in critically ill patients. DESIGN: Double-blind, randomized controlled trial. PATIENTS: Twenty-five patients participated in the study. METHODS: Patients on mechanical ventilation for 24-48 h were randomized to an intervention group (neuromuscular electrical stimulation + conventional physical therapy) or a conventional group (sham neuromuscular electrical stimulation + conventional physical therapy)...
January 19, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28064412/journal-of-clinical-monitoring-and-computing-2016-end-of-year-summary-anesthesia
#14
REVIEW
Jan F A Hendrickx, Andre M De Wolf
Clinical monitoring and computing are essential during general anesthesia. As a result it would be impossible to review all the articles published in the Journal of Clinical Monitoring and Computing that are relevant to anesthesia. We therefore will limit this summary to those articles that are uniquely related to anesthesia. The topics include: anesthesia machines; ensuring the airway; anesthetic depth; neuromuscular transmission monitoring; locoregional anesthesia; ultrasound; and pain.
February 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28053200/treatment-and-prevention-of-acute-and-recurrent-ankle-sprain-an-overview-of-systematic-reviews-with-meta-analysis
#15
REVIEW
Cailbhe Doherty, Chris Bleakley, Eamonn Delahunt, Sinead Holden
BACKGROUND: Ankle sprains are highly prevalent with high risk of recurrence. Consequently, there are a significant number of research reports examining strategies for treating and preventing acute and recurrent sprains (otherwise known as chronic ankle instability (CAI)), with a coinciding proliferation of review articles summarising these reports. OBJECTIVE: To provide a systematic overview of the systematic reviews evaluating treatment strategies for acute ankle sprain and CAI...
January 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28028870/neuromuscular-performance-of-maximal-voluntary-explosive-concentric-contractions-is-influenced-by-angular-acceleration
#16
D Hahn, P Bakenecker, F Zinke
Torque production during maximal voluntary explosive contractions is considered to be a functionally more relevant neuromuscular measure than steady-state torque, but little is known about accelerated concentric contractions. This study investigated torque, muscle activity, and fascicle behavior during isometric and fast concentric contractions of quadriceps femoris. Ten participants performed maximal voluntary explosive isometric, isovelocity, and additional concentric knee extensions at angular accelerations ranging from 700 to 4000° s(-2) that resulted in an angular velocity of 300° s(-1) at 40° knee flexion...
December 28, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28006862/neuromuscular-ultrasound-for-evaluation-of-scapular-winging
#17
Monika Krzesniak-Swinarska, James B Caress, Michael S Cartwright
INTRODUCTION: Clinicians who treat nerve and muscle disorders may be asked to evaluate patients who have unilateral or bilateral scapular winging. Traditionally, this evaluation has relied upon a thorough history, physical examination, and electrodiagnostic testing to localize the cause of winging and detect the underlying neuromuscular pathology. Neuromuscular ultrasound has emerged as a non-invasive technique that can be used for structural evaluation of nerve and muscle abnormalities...
December 22, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27992070/exercise-for-haemophilia
#18
REVIEW
Karen Strike, Kathy Mulder, Rojer Michael
BACKGROUND: Haemophilia is a bleeding disorder associated with haemorrhaging into joints and muscles. Exercise is often used to aid recovery after bleeds, and to improve joint function in the presence of arthropathy. OBJECTIVES: Our objective was to systematically review the available evidence on the safety and effectiveness of exercise for people with haemophilia. SEARCH METHODS: We searched the Cochrane Cystic Fibrosis and Genetic Disorders Group's Coagulopathies Trials Register and electronic databases PubMed, OVID-Embase, and CINAHL...
December 19, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27977846/reliability-of-a-novel-ultrasound-system-for-gray-scale-analysis-of-muscle
#19
Travis G O'Brien, Meaghan L Cazares Gonzalez, Partha Ghosh, Jay Mandrekar, Andrea J Boon
INTRODUCTION: Ultrasound is increasingly utilized as an adjunct in diagnosis of neuromuscular disease by measuring muscle thickness and echointensity (EI). Reproducibility is limited because of variations in scanning technique and proprietary algorithms that alter EI values. METHODS: We developed a standardized scanning protocol and a portable machine without any post-imaging processing. Ten subjects underwent scanning of 6 muscles by 3 sonographers on 2 separate days...
December 15, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27935170/ultrasound-of-oral-and-masticatory-muscles-why-every-neuromuscular-swallow-team-should-have-an-ultrasound-machine
#20
Lenie Van Den Engel-Hoek, Marloes Lagarde, Nens Van Alfen
Patients with neuromuscular disorders often present with swallowing difficulties due to oral phase problems and pharyngeal residue after swallow. It is important to assess the underlying pathology and cause of the swallowing disturbance in this patient group, such as dystrophic changes in oral and masticatory muscles. This allows for more patient-tailored recommendations, for example optimal compensation strategies to maintain function for longer. Ultrasound can show structural changes caused by dystrophy or denervation of muscles, detect involuntary movements such as fasciculations, and provide dynamic video images of tongue motion during swallowing attempts...
March 2017: Clinical Anatomy
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