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Ultrasound and muscle

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https://www.readbyqxmd.com/read/29342364/influence-of-knee-joint-position-and-sex-on-vastus-medialis-regional-architecture
#1
Alessio Gallina, Jacqueline N Render, Jacquelyne Santos, Hershal Shah, Dayna Taylor, Travis Tomlin, S Jayne Garland
Ultrasound imaging was used to investigate vastus medialis architecture in 10 males and 10 females at different knee angles. Increase in muscle thickness occurs predominantly when the knee angle is changed from 0° (full extension) and 45° (p<0.05); increases in VM pennation angle can be predominantly observed between 45° and 90° (p<0.05). Sex differences in the VM architecture can be observed in the distal (p<0.01), but not in the proximal region of the muscle (p>0.11).
January 17, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29341849/factors-affecting-occlusion-pressure-and-ischemic-preconditioning
#2
Henry Brown, Martyn J Binnie, Brian Dawson, Nicola Bullock, Brendan R Scott, Peter Peeling
PURPOSE: To determine the effect of limb selection (upper/lower), cuff width (small (6 cm)/medium (13 cm) upper; medium/large (18 cm) lower) and anthropometry on arterial occlusion pressure (AOP) in ischemic preconditioning (IPC). METHODS: Twenty athletes (10 females and 10 males) had surface anthropometry and dual x-ray absorptiometry (DXA) assessments before using Doppler ultrasound to confirm AOP for each limb. Subsequently, 5 min of occlusion occurred, with near-infrared spectroscopy (NIRS) measuring muscle oxygenation changes...
January 17, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29340537/bedside-ultrasound-is-a-practical-measurement-tool-for-assessing-muscle-mass
#3
Diogo Oliveira Toledo, Débora Carneiro de Lima E Silva, Dyaiane Marques Dos Santos, Branca Jardini de Freitas, Rogério Dib, Ricardo Luiz Cordioli, Evandro José de Almeida Figueiredo, Silvia Maria Fraga Piovacari, João Manoel Silva
OBJECTIVE: To evaluate the intra- and inter-reliability and the ease of measuring the quadriceps muscle thickness using bedside ultrasound. METHODS: This is a prospective, observational study. The assessment of quadriceps muscle thickness was performed at two reference points and was quantified using portable B-mode ultrasound in two healthy volunteers. For standardization of measurements and validation of image collections, the team was trained through theoretical and practical classes, with a 6-hour workload...
October 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29340161/direct-ice-imaging-from-inside-the-left-atrial-appendage-during-ablation-of-persistent-atrial-fibrillation
#4
Gabriel Cismaru, Mihai Puiu, Radu Rosu, Lucian Muresan, Gabriel Gusetu, Dana Pop, Dumitru Zdrenghea
We present the case of a 59-year-old patient with persistent atrial fibrillation, referred for atrial fibrillation ablation. The procedure was performed with the help of NAVX 3D mapping system (Saint Jude Medical) and iLAB Ultra ICE Plus ultrasound imaging catheter (Boston Scientific). The catheter permits cross-sectional images perpendicular to catheter's long axis. From inside left atrial appendage (LAA) looks trabeculated, due to pectinate muscles running parallel to each other. The presence of a thrombus was excluded from the appendage...
January 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29336299/-duplication-cyst-as-cause-of-ileus-in-a-16-year-old-girl
#5
Anastasia S Buch, Rie Adser Virkus
A 16-year-old girl was admitted to hospital with lower abdominal pain. An ultrasound examination suggested an ovarian cyst. A laparoscopic procedure found that a duplication cyst in the patient's ileum had caused mechanical ileus. The cyst was surgically resected through the creation of an end-to-end anastomosis, and pathological examination confirmed it to be a duplication cyst. Duplication cysts are a rare congenital disorder, especially past infancy. They are characterized by an epithelium of gastrointestinal origin and a lining of smooth muscle in their walls...
January 15, 2018: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/29332756/asymmetry-of-activation-of-lateral-abdominal-muscles-during-the-neurodevelopmental-traction-technique
#6
Anna Gogola, Rafał Gnat, Małgorzata Zaborowska, Dorota Dziub, Michalina Gwóźdź
OBJECTIVE: The aim of the study was to evaluate the symmetry and pattern of activation of lateral abdominal muscles (LAM) in response to neurodevelopmental traction technique. DESIGN AND PARTICIPANTS: Measurements of LAM thickness were performed in four experimental conditions: during traction with the force of 5% body weight (5% traction): 1) in neutral position, 2) in 20° posterior trunk inclination; during traction with the force of 15% body weight (15% traction): 3) in neutral position, 4) in 20° posterior trunk inclination...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332735/within-day-and-between-day-reliability-of-thickness-measurements-of-abdominal-muscles-using-ultrasound-during-abdominal-hollowing-and-bracing-maneuvers
#7
Mahnaz Aboufazeli, Nima Afshar-Mohajer
Ultrasonography imaging has been used as a non-invasive method to estimate the thickness and relative activities of the abdominal muscles in patients with lower back pain (LBP). However, the statistical reliability of US thickness measurements of abdominal muscles, including transversus abdominis (TrA), internal oblique (IO) and external oblique (EO) muscles during abdominal hollowing (AH) and abdominal bracing (AB) maneuvers has not been well-investigated. This study was performed on a total of 20 female subjects (10 with LBP and 10 without LBP) in the age range of 25-55 years to assess within-day and between-day reliability of the measurements...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332252/a-review-of-the-impact-of-pregnancy-and-childbirth-on-pelvic-floor-function-as-assessed-by-objective-measurement-techniques
#8
REVIEW
Hans Van Geelen, Donald Ostergard, Peter Sand
The objective of this narrative review is to study the impact of pregnancy and childbirth on pelvic floor function as assessed by objective measurement techniques with quantitative data carried out during pregnancy and after childbirth. A literature search in MEDLINE and relevant and up-to-date journals from 1960 until April 2017 was performed for articles dealing with the impact of pregnancy and childbirth on pelvic floor function as assessed by objective measurement methods. Only studies describing objective measurement techniques...
January 13, 2018: International Urogynecology Journal
https://www.readbyqxmd.com/read/29328887/macroscopic-rotator-cuff-tendinopathy-and-histopathology-do-not-predict-repair-outcomes-of-rotator-cuff-tears
#9
Paul M Sethi, Chirag D Sheth, Leo Pauzenberger, Mary Beth R McCarthy, Mark P Cote, Emma Soneson, Seth Miller, Augustus D Mazzocca
BACKGROUND: Numerous studies have identified factors that may affect the chances of rotator cuff healing after surgery. Intraoperative tendon quality may be used to predict healing and to determine type of repair and/or consideration of augmentation. There are no data that correlate how gross tendon morphology and degree of tendinopathy affect patient outcome or postoperative tendon healing. Purpose/Hypothesis: The purposes of this study were to (1) compare the gross appearance of the tendon edge during arthroscopic rotator cuff repair with its histological degree of tendinopathy and (2) determine if gross appearance correlated with postoperative repair integrity...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29327827/differences-in-100-m-sprint-performance-and-skeletal-muscle-mass-between-elite-male-and-female-sprinters
#10
Takashi Abe, Scott J Dankel, Samuel L Buckner, Matthew B Jessee, Kevin T Mattocks, J Grant Mouser, Zachary W Bell, Jeremy P Loenneke
BACKGROUND: The sex difference in 100-m sprint performance between the world's best athletes is approximately 10%. We hypothesized that skeletal muscle mass (SM) relative to body mass may be a major factor contributing to this difference. The aim of this study was to examine the sex difference in absolute and relative SM and sprint performance in male and female sprinters. METHODS: We analyzed the SM of male (n=37) and female (n=26) 100-m sprinters; the sample was divided into two subgroups within each sex according to personal best 100-m time: 10...
January 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29327169/passive-stiffness-of-monoarticular-lower-leg-muscles-is-influenced-by-knee-joint-angle
#11
Filiz Ateş, Ricardo J Andrade, Sandro R Freitas, François Hug, Lilian Lacourpaille, Raphael Gross, Can A Yucesoy, Antoine Nordez
PURPOSE: While several studies demonstrated the occurrence of intermuscular mechanical interactions, the physiological significance of these interactions remains a matter of debate. The purpose of this study was to quantify the localized changes in the shear modulus of the gastrocnemius lateralis (GL), monoarticular dorsi- and plantar-flexor muscles induced by a change in knee angle. METHOD: Participants underwent slow passive ankle rotations at the following two knee positions: knee flexed at 90° and knee fully extended...
January 11, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29325813/cardiac-function-and-exercise-adaptation-in-8-children-with-lpin1-mutations
#12
Antoine Legendre, Diala Khraiche, Phalla Ou, François-Xavier Mauvais, Marine Madrange, Anne-Sophie Guemann, Jean-Philippe Jais, Damien Bonnet, Yamina Hamel, Pascale de Lonlay
INTRODUCTION: Lipin-1 deficiency is a major cause of rhabdomyolysis that are precipitated by febrile illness. The prognosis is poor, with one-third of patients dying from cardiac arrest during a crisis episode. Apart from acute rhabdomyolysis, most patients are healthy, showing normal clinical and cardiac ultrasound parameters. PATIENTS AND METHODS: We report cardiac and exercise examinations of 8 children carrying two LPIN1 mutations. The examinations were performed outside of a myolysis episode, but one patient presented with fever during one examination...
January 5, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29319776/hypercalcemia-and-acute-renal-insufficiency-following-use-of-a-veterinary-supplement
#13
Marcelo Fernando Ronsoni, Heloisa de Cassia Dos Santos, Bruno da Silveira Colombo, Carina Gabriela Correa, Ana Paula Gomes Moritz, Marisa Helena Cesar Coral, Simone Van de Sande-Lee, Alexandre Hohl
A previously healthy 24 yo male presented with a two-month history of epigastric pain, nausea, vomiting, fatigue and malaise. He reported abuse of different substances, including an injectable veterinary vitamin compound, which contains high doses of vitamin A, D and E, and an oily vehicle that induces local edema and enhances muscle volume. Serum creatinine was 3.1 mg/dL, alanine transaminase 160 mg/dL, aspartate transaminase 11 mg/dL, total testosterone 23 ng/dL, 25-OH-vitamin D >150 ng/mL (toxicity >100), 1,25-OH-vitamin D 80 pg/mL, vitamin A 0...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29319765/muscle-thickness-of-the-pectoralis-major-and-rectus-abdominis-and-level-of-physical-activity-in-chronic-hemodialysis-patients
#14
Aline Felicio Bueno, Fernando de Aguiar Lemos, Matheus Elias Ferrareze, William Antonio Martins Dos Santos, Francisco Veríssimo Veronese, Alexandre Simões Dias
INTRODUCTION: Patients on chronic hemodialysis tend to lose lean body mass and have sedentary behavior. OBJECTIVE: To compare the level of physical activity and the morphology of the muscles pectoralis major and rectus abdominis of patients on hemodialysis with healthy subjects. METHODS: We studied 17 patients and 17 healthy individuals. Muscle thickness were evaluated by ultrasound, and the level of physical activity by the International Physical Activity Questionnaire (IPAQ), long version...
October 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29316579/-management-of-compensated-liver-cirrhosis-2018-evidence-based-prophylactic-measures
#15
Kathrin Karkmann, Felix Piecha, Anna Caterina Rünzi, Lisa Schulz, Moritz von Wulffen, Daniel Benten, Johannes Kluwe, Henning Wege
In 2015, more than 13 000 people died due to the consequences of liver cirrhosis in Germany. Frequently, relevant liver fibrosis is diagnosed by non-invasive methods (e. g., ultrasound-based measurement of liver stiffness) already in the compensated stage. Following diagnosis of liver fibrosis, a thorough investigation of the underlying chronic liver disease and effective treatment are important to prevent progression to decompensated cirrhosis. Since morbidity and mortality dramatically increase in the decompensated stage (patients may present with jaundice, ascites, hepatic encephalopathy, gastrointestinal bleeding) with an upsurge in 1-year-mortality from 1 - 3...
January 2018: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/29313270/ultrasound-elastography-based-assessment-of-the-elasticity-of-the-supraspinatus-muscle-in-impingement-syndrome-does-elastography-has-any-diagnostic-value
#16
Adnan Demirel, Murat Baykara, Tuba Tülay Koca, Ejder Berk
Ultrasound elastography (UE) is a new ultrasound-based imaging technique that provides information about elasticity and stiffness of tissues. This cross-sectional study aimed to identify the diagnostic importance of UE in supraspinatus impingement syndrome. Forty-one subjects, aged 38-70 years, were included in the study. UE was used to determine the elasticity of the supraspinatus muscle. The strain ratio was calculated as the evaluation criteria to measure the elasticity of the muscle. High strain ratio indicated low elasticity...
January 8, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29306852/trichosporon-asahii-septic-thrombophlebitis-following-lower-extremity-amputation-in-an-immunocompetent-host
#17
Pradeep Kumar Mada, Folusakin Ayoade, Ailing Li, John Todd
A 59-year-old man with a history of peripheral vascular disease status post femoral popliteal bypass presented with critical limb ischaemia of the left leg. An arterial Doppler ultrasound showed an occluded graft requiring an above knee amputation. Five days after surgery, the patient developed fever, leucocytosis, significant stump swelling and pain, and serosanguinous discharge from his wound. Wound swab cultures from the stump grew Trichosporon asahii A venous Doppler ultrasound revealed extensive thrombosis of the left lower extremity...
January 6, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29304114/comparison-of-calf-muscle-architecture-between-asian-children-with-spastic-cerebral-palsy-and-typically-developing-peers
#18
Ying Chen, Lu He, Kaishou Xu, Jinling Li, Buyun Guan, Hongmei Tang
OBJECTIVE: To compare the muscle thickness, fascicle length, and pennation angle of the gastrocnemius, soleus, and tibialis anterior between Asian children with spastic cerebral palsy (CP) and typically developing (TD) peers. METHODS: This cross-sectional study involved a total of 72 children with hemiplegic CP (n = 24), and diplegic CP (n = 24) and their TD peers (n = 24). Muscle architecture was measured at rest using ultrasound. Clinical measures included gross motor function and a modified Ashworth scale...
2018: PloS One
https://www.readbyqxmd.com/read/29298726/effects-of-bone-marrow-aspirate-concentrate-and-platelet-rich-plasma-on-patients-with-partial-tear-of-the-rotator-cuff-tendon
#19
Sang Jun Kim, Eun Kyung Kim, Sun Jeong Kim, Da Hyun Song
BACKGROUND: We compared the clinical course of rotator cuff tears between rotator cuff exercise and bone marrow aspirate concentration (BMAC)-platelet rich plasma (PRP) injection to identify the therapeutic effects of BMAC-PRP on partial tear of the rotator cuff tendon. METHODS: Twenty-four patients with partial tear of the rotator cuff tendon participated in this study. Twelve patients underwent extraction of BMACs and PRP and received the injection of BMAC-PRP at the tear site under ultrasound guidance...
January 3, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29297183/the-sonographic-morphology-of-musculus-palmaris-longus-in-humans
#20
Krzysztof P Dąbrowski, Hanna Stankiewicz-Jóźwicka, Arkadiusz Kowalczyk, Michał Markuszewski, Bogdan Ciszek
BACKGROUND: The aim of this work was to describe morphology and morphometry of musculus palmaris longus and compare the outcome of Shaeffer's test with ultrasound imaging. MATERIALS AND METHODS: 40 forearms of 20 healthy volunteers (11 females, 9 males) were tested by Shaeffer's test and ultrasound imaging. Anthropological measurements of the forearm and ultrasound guided measurements of musculus palmaris longus were taken. The outcome was tested for statistical significance by Fisher's test...
January 3, 2018: Folia Morphologica (Warsz)
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