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Cartilage AND ultrasound

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https://www.readbyqxmd.com/read/28792423/novel-%C3%AE-tcp-pva-bilayered-hydrogels-with-considerable-physical-and-bio-functional-properties-for-osteochondral-repair
#1
Hang Yao, Junpei Kang, Weichang Li, Jian Liu, Renjian Xie, Yingjun Wang, Sa Liu, Dong An Wang, Li Ren
Cartilage repairing graft had been widely studied and the osteochondral replacement hydrogels were proved to be an excellent method in research and clinical. However, it was difficult to solve three main issues in osteochondral replacement preparation at one time: surface lubrication, overall mechanical support and good simulations of cell regeneration. A novel integrated bilayered hydrogel osteochondral replacement was constructed by blending polyvinyl alcohol (PVA) and β-tricalcium phosphate (β-TCP) in this study...
August 9, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28777893/age-related-vascularization-and-ossification-of-joints-in-children-an-international-pilot-study-to-test-multi-observer-ultrasound-reliability
#2
Daniel Windschall, Paz Collado, Jelena Vojinovic, Silvia Magni-Manzoni, Peter Balint, George A W Bruyn, Cristina Hernandez-Diaz, Juan Carlos Nieto, Viviana Ravagnani, Nikolay Tzaribachev, Annamaria Iagnocco, Maria Antonietta D'Agostino, Esperanza Naredo
OBJECTIVE: To determine the intra- and inter-observer reliability of ultrasound (US)-detected age-related joint vascularization and ossification grading in healthy children. METHODS: Following standardized image acquisition and machine setting protocols, 10 international US experts examined four joints (wrist, second metacarpophalangeal joint, knee, and ankle) in 12 healthy children (divided into four age groups: 2-4, 5-8, 9-12, and 13-16 years). Grey-scale was used to detect the ossification grade, and power Doppler (PD) US was used to detect physiological vascularization...
August 4, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28767595/the-comparison-of-measurement-between-ultrasound-and-computed-tomography-for-abnormal-degenerative-facet-joints-a-strobe-compliant-article
#3
Wen Shi, Dan Tian, Da Liu, Jing Yin, Ying Huang
Besides the study on examining facet joints of lumbar spine by ultrasound in normal population, there has not been any related report about examining normal facet joints of lumbar spine by ultrasound so far. This study was aimed to explore the feasibility of ultrasound assessment of lumber spine facet joints by comparing ultrasound measure values of normal and degenerative lumber spine facet joints, and by comparing measure values of ultrasound and computed tomography (CT) of degenerative lumber spine facet joints...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28737013/anatomic-variations-of-neck-vessels-and-the-course-of-pediatric-internal-jugular-veins
#4
Kai-Ming Yuan, En-Ci Liu, Ping Li, Wang-Ning Shangguan, Jun Li, Qing-Quan Lian
BACKGROUND: Landmark-guided internal jugular vein cannulation is difficult for pediatric patients but useful, especially when ultrasound equipment is unavailable. Therefore, it is important to define the adjacent anatomic characteristics of the pediatric internal jugular vein. METHODS: In 210 children the course of the internal jugular vein, and common carotid and vertebral arteries was measured from the level of the cricoid cartilage to the supraclavicular area using ultrasound...
July 24, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28685414/cervical-chondrocutaneous-branchial-remnants
#5
Daniel T Ginat, Daniel N Johnson, Andrea Shogan, Nicole A Cipriani
Cervical chondrocutaneous branchial remnants are rare congenital choristomas. These lesions contain a cartilage core surrounded by skin with adnexal structures and subcutaneous fat. Correspondingly, on ultrasound there is a tubular hypoechoic core surrounded by hyperechoic, while on CT there is central intermediate attenuation surrounded by fat attenuation tissues. These features are exemplified in this sine qua non radiology-pathology correlation article. Management includes complete surgical resection and evaluating for potential associated anomalies, such as other branchial apparatus anomalies, as well as cardiac anomalies...
July 6, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28660142/clinical-application-of-concentrated-bone-marrow-aspirate-in-orthopaedics-a-systematic-review
#6
Arianna L Gianakos, Li Sun, Jay N Patel, Donald M Adams, Frank A Liporace
AIM: To examine the evidence behind the use of concentrated bone marrow aspirate (cBMA) in cartilage, bone, and tendon repair; establish proof of concept for the use of cBMA in these biologic environments; and provide the level and quality of evidence substantiating the use of cBMA in the clinical setting. METHODS: We conducted a systematic review according to PRISMA guidelines. EMBASE, MEDLINE, and Web of Knowledge databases were screened for the use of cBMA in the repair of cartilage, bone, and tendon repair...
June 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28655186/catheter-related-right-internal-jugular-vein-thrombosis-after-chest-surgery
#7
P-T Chen, K-C Chang, K-L Hu, C-K Ting, K-H Chan, W-K Chang
Background: Central venous catheters (CVCs) are frequently used for monitoring haemodynamic status and rapidly delivering fluid therapy during the peri- and postoperative periods. Indwelling CVCs are typically used 7-14 days postoperatively for additional monitoring and treatment, but patients may develop asymptomatic catheter-related thrombosis, leading to life-threatening pulmonary embolism and death. Early detection helps to avoid such complications. Methods: This prospective observational study investigated the risk factors associated with catheter-related right internal jugular vein thrombosis in patients undergoing chest surgery...
June 26, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28653865/sagittal-plane-knee-moment-during-gait-and-knee-cartilage-thickness
#8
Randy J Schmitz, David Harrison, Hsin-Min Wang, Sandra J Shultz
CONTEXT:   Understanding the factors associated with thicker cartilage in a healthy population is important when developing strategies aimed at minimizing the cartilage thinning associated with knee osteoarthritis progression. Thicker articular cartilage is commonly thought to be healthier cartilage, but whether the sagittal-plane biomechanics important to gait are related to cartilage thickness is unknown. OBJECTIVE:   To determine the relationship of a weight-bearing region of the medial femoral condyle's cartilage thickness to sagittal gait biomechanics in healthy individuals...
June 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28638681/efficacy-of-extracorporeal-shockwave-therapy-and-low-intensity-pulsed-ultrasound-in-a-rat-knee-osteoarthritis-model-a-randomized-controlled-trial
#9
Volkan Yılmaz, Ömer Karadaş, Taner Dandinoğlu, Ebru Umay, Aytül Çakçı, Arif Kenan Tan
OBJECTIVE: This study aims to assess the efficacy of extracorporeal shockwave therapy (ESWT) and low-intensity pulsed ultrasound (LIPUS) on osteoarthritic rat knees. MATERIAL AND METHODS: Twenty-four rats were divided into 3 groups: group 1-control (n=8), group 2-LIPUS (n=8) and group 3-ESWT (n=8). Cartilage degeneration was provided using mono-iodo-asetate (MIA). One milligram of MIA was delivered to the right knees in group 1 and both knees in group 2 and 3. A 0...
June 2017: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28638676/utilization-of-longitudinal-ultrasound-to-quantify-joint-soft-tissue-changes-in-a-mouse-model-of-posttraumatic-osteoarthritis
#10
Hao Xu, Echoe M Bouta, Ronald W Wood, Edward M Schwarz, Yongjun Wang, Lianping Xing
To assess the utility of longitudinal ultrasound (US) to quantify volumetric changes in joint soft tissues during the progression of posttraumatic osteoarthritis (PTOA) in mice, and validate the US results with histological findings. A longitudinal cohort of 3-month-old wild-type C57BL/6 male mice received the Hulth-Telhag surgical procedure on right knee to induce PTOA, and sham surgery on their left knee as control. US scans were performed on both knees before, 2, 4, 6, and 8 weeks post-surgery. Joint space volume and Power-Doppler (PD) volume were obtained from US images via Amira software...
2017: Bone Research
https://www.readbyqxmd.com/read/28638116/laser-ultrasonic-delivery-of-agents-into-articular-cartilage
#11
Heikki J Nieminen, Gonçalo Barreto, Mikko A Finnilä, Alejandro García-Pérez, Ari Salmi, Sanjeev Ranjan, Kari K Eklund, Kenneth P H Pritzker, Simo Saarakkala, Edward Hæggström
Research is ongoing to develop drug therapies to manage osteoarthritis (OA) and articular cartilage (AC) injuries. However, means to deliver drug to localized AC lesions are highly limited and not clinically available. This study investigates the capability of laser ultrasound (laser-induced plasma sound source) to deliver agents (methylene blue, MB, in PBS) into bovine AC. Treatment samples (n = 10) were immersed in MB solution simultaneously with LU exposure, while adjacent control 1 tissue (n = 10) was pre-treated with LU followed by immersion in MB and adjacent control 2 tissue (n = 10) was only immersed in MB...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28617404/-reconstructive-otoplasty-differentiated-approach-to-rib-cartilage-processing-and-ear-framework-formation-using-carving-technique
#12
T Z Chkadua, G V Asirova, F K Mustafina, M M Chernenkiy, S S Frolov, D L Vejze
The aim of the research was to optimize surgical rehabilitation of patients with auricle defects and deformities by the developing of differentiated approach to the choice of reconstructive otoplasty method. The study involved 30 patients with auricle defects and deformities of congenital (20 patients) and acquired (10 patients) etiology. The defects were total in 25 patients and partial in 5 patients. All patients underwent ear reconstruction with rib cartilage using carving technique. Preoperative planning was based in Doppler ultrasound of temporal region vessels, laser Doppler flowmetry, temporal skin ultrasound and 3D ribcage CT...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28606838/the-role-of-low-intensity-pulsed-ultrasound-on-cartilage-healing-in-knee-osteoarthritis-a-review
#13
REVIEW
Joshua B Rothenberg, Prathap Jayaram, Usker Naqvi, Joslyn Gober, Gerard A Malanga
Ultrasound (US) is a therapeutic modality that has been used in the treatment of musculoskeletal conditions for decades. In recent years, there have been technological advancements using low-intensity pulsed ultrasound (LIPUS) as a clinical modality. The purpose of this review was to critically examine the medical literature to determine the effects of LIPUS on the chondrogenic properties of knee osteoarthritis. A literature search of 3 major databases (PubMed, Scopus, and EMBASE) was performed. Two independent physician reviewers screened titles and abstracts, yielding a total of 18 relevant articles after the inclusion and exclusion criteria were applied...
June 9, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28602458/using-ultrasonography-to-assess-the-effectiveness-of-cricoid-pressure-on-esophageal-compression
#14
Jonathan Kei, Emily E Utschig, Reinier J van Tonder
BACKGROUND: Cricoid pressure during intubation has been used for decades as a way to potentially occlude the esophagus to avoid aspiration of gastric contents. However, recent evidence has questioned the effectiveness of this maneuver. OBJECTIVE: This study uses a noninvasive modality, ultrasonography, to determine the anatomic position of the cricoid cartilage and the esophagus and examines the effectiveness of cricoid pressure on esophageal compression. METHODS: Ultrasound imaging was used to describe the anatomic relationship of the esophagus to the trachea as either being directly behind the trachea, partially behind the trachea, or completely lateral to the trachea...
June 8, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28599554/regular-chondrocyte-spacing-is-a-potential-cause-for-coherent-ultrasound-backscatter-in-human-articular-cartilage
#15
Daniel Rohrbach, Satu I Inkinen, Jana Zatloukalová, Anke Kadow-Romacker, Antti Joukainen, Markus K Malo, Jonathan Mamou, Juha Töyräs, Kay Raum
The potential of quantitative ultrasound (QUS) to assess the regular cellular spacing in the superficial cartilage zones was investigated experimentally and numerically. Nine osteochondral samples, extracted from two human cadaver knee joints, were measured using a 50-MHz ultrasound scanning device and evaluated using Mankin score. Simulated backscattered power spectra from models with an idealized cell alignment exhibited a pronounced frequency peak. From the peak, cell spacing in the range between 15 and 40 μm between cell layers was detected with an average error of 0...
May 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28577164/internal-jugular-vein-blood-flow-in-the-upright-position-during-external-compression-and-increased-central-venous-pressure-an-ultrasound-study-in-healthy-volunteers
#16
Tze Yeng Yeoh, Lashmi Venkatraghavan, Joseph A Fisher, Massimiliano Meineri
BACKGROUND: External compression of the jugular veins is an effective method to increase intracranial blood volume and brain stiffness in rats and healthy volunteers. It has been reported that, on assuming an upright posture, cerebral venous drainage is distributed away from the internal jugular veins (IJVs) to the cervical venous plexus, causing complete collapse of the IJV. If so, it is not clear why external IJV compression would increase intracranial blood volume, but the latter is frequently observed in neurosurgery in the sitting position...
June 2, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28547137/age-dependent-arthrosonographic-reference-values-of-the-hip-joint-in-healthy-children-and-adolescents-a-cross-sectional-multicenter-ultrasound-study
#17
Ralf Felix Trauzeddel, Hartwig Lehmann, Daniel Windschall, Gerd Ganser, Rainer Berendes, Maria Haller, Manuela Krumrey-Langkammerer, Katharina Palm-Beden, Antje Nimtz-Talaska, Christine Nirschl, Phillip Schoof, Ralf Trauzeddel
BACKGROUND: Musculoskeletal US is a noninvasive imaging method for diagnosing and monitoring inflammatory rheumatic diseases. OBJECTIVES: To develop age- and gender-related arthrosonographic reference intervals for the hip joint of healthy children and adolescents. MATERIALS AND METHODS: In a cross-sectional US study, we examined both hip joints of 445 children and adolescents with an age range of 1 year to 18 years. We measured the distance between the bone surface and the outer margin of the joint capsule to define the bone-capsule distance, the joint capsule and cartilage thickness, and the capsule layer thickness...
May 25, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28499496/relationships-between-quantitative-pulse-echo-ultrasound-parameters-from-the-superficial-zone-of-the-human-articular-cartilage-and-changes-in-surface-roughness-collagen-content-or-collagen-orientation-caused-by-early-degeneration
#18
Wataru Kiyan, Akira Ito, Yasuaki Nakagawa, Shogo Mukai, Koji Mori, Tatsuo Arai, Eiichiro Uchino, Yasushi Okuno, Hiroshi Kuroki
We aimed to quantitatively investigate the relationship between amplitude-based pulse-echo ultrasound parameters and early degeneration of the knee articular cartilage. Twenty samples from six human femoral condyles judged as grade 0 or 1 according to International Cartilage Repair Society grading were assessed using a 15-MHz pulsed-ultrasound 3-D scanning system ex vivo. Surface roughness (Rq), average collagen content (A1) and collagen orientation (A12) in the superficial zone of the cartilage were measured via laser microscopy and Fourier transform infrared imaging spectroscopy...
May 9, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28490006/adenoid-cystic-carcinoma-of-the-larynx-presenting-as-a-thyroid-mass-and-brief-literature-review
#19
REVIEW
Sadegh Shirian, Maryam Maghbool, Azita Aledavood, Shahrzad Negahban, Bijan Khademi, Yahya Daneshbod
BACKGROUND: Adenoid cystic carcinoma (ACC) of the larynx and trachea is very rare. CASE: A 45-year-old man with ACC of the larynx presenting as a thyroid mass is reported in this study. Physical examination revealed a large solid thyroid nodule in the left lobe without any lymphadenopathy. A technetium thyroid scan showed multinodular goiter with cold nodules in the left lobe, isthmus, and functioning nodules in the right lobe. A large thyroid mass originating from the left side of the larynx, mostly the left vocal cord and the infraglottic part, was seen using enhanced magnetic resonance imaging after rupture of the thyroid cartilage on the left side...
2017: Acta Cytologica
https://www.readbyqxmd.com/read/28470772/validation-of-the-ultrasonographic-assessment-of-the-femoral-trochlea-epiphyseal-cartilage-in-foals-at-osteochondrosis-predilected-sites-with-mri-and-histology
#20
G Martel, C Forget, G Gilbert, H Richard, T Moser, J Olive, S Laverty
BACKGROUND: Non-invasive imaging tools are needed to screen foal femoropatellar joints to detect subclinical osteochondrosis lesions due to focal failure of endochondral ossification to enhance early management to optimise intrinsic healing events. Recently investigations employing 3T susceptibility-weighted MRI (3T SWI MRI) and CT have demonstrated their capacity for early osteochondrosis diagnosis, but these technologies are not practical for field screening. We postulate that ultrasonography is a valuable field tool for the detection of subclinical osteochondrosis lesions...
May 4, 2017: Equine Veterinary Journal
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