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Cartilage AND ultrasound

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https://www.readbyqxmd.com/read/29020679/a-preclinical-evaluation-comparing-the-performance-of-a-novel-19-g-flexible-needle-to-a-commercially-available-22-g-ebus-tbna-sampling-needle
#1
Kasia Czarnecka-Kujawa, Alain Tremblay, Kazuhiro Yasufuku, Anna Sczaniecka, Sujeeth Parthiban, Lawrence Kunz, David Dillard, Xavier Gonzalez
BACKGROUND: Needle samples may not provide sufficient diagnostic material for the assessment of mediastinal lymph nodes. OBJECTIVE: The study compared the specimen size and diagnostic performance of a new 19-G endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) needle to that of a standard 22-G EBUS-TBNA needle in a swine model of granulomatous lymphadenopathy. METHODS: Granulomatous inflammation was induced in mediastinal lymph nodes (LNs) of 10 domestic swine by injection of talc slurry...
October 12, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28991041/quadriceps-function-and-knee-joint-ultrasonography-following-acl-reconstruction
#2
Derek N Pamukoff, Melissa M Montgomery, Tyler J Moffit, Michael N Vakula
PURPOSE: Individuals with anterior cruciate ligament reconstruction (ACLR) are at greater risk for knee osteoarthritis (OA), partially due to chronic quadriceps dysfunction. Articular cartilage is commonly assessed using magnetic resonance imaging and radiography, but these methods are expensive and lack portability. Ultrasound imaging may provide a cost-effective and portable alternative for imaging the femoral cartilage. The purpose of this study was to compare ultrasonography of the femoral cartilage between the injured and uninjured limbs of individuals with unilateral ACLR, and to examine the association between quadriceps function and ultrasonographic measures of femoral cartilage...
October 3, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28970993/ultrasound-arthroscopy-of-hip-in-treatment-of-osteochondritis-dissecans
#3
Antti Joukainen, Tuomas Virén, Pekko Penttilä, Jukka Liukkonen, Pia Henriikka Puhakka, Heikki Kröger, Juha Töyräs
An ultrasound arthroscopy (UA) technique is a promising tool for the evaluation of the articular cartilage during arthroscopic examination. However, the applicability of UA for the evaluation of the hip joint is unknown. We describe a UA assessment of a patient with osteochondritis dissecans at the femoral head. An ultrasound catheter designed for intravascular imaging was inserted into the hip joint by use of conventional arthroscopic portals, and the cartilage surfaces of the femoral head and acetabulum were investigated with ultrasound...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28965723/high-frequency-ultrasound-imaging-of-tidemark-in-vitro-in-advanced-knee-osteoarthritis
#4
Yan-Ping Huang, Jin Zhong, Jie Chen, Chun-Hoi Yan, Yong-Ping Zheng, Chun-Yi Wen
High-frequency ultrasound imaging has been widely adopted for assessment of the degenerative changes of articular cartilage in osteoarthritis (OA). Yet, there are few reports on investigating its capability to evaluate subchondral bone. Here, we employed high-frequency ultrasound imaging (25 MHz) to examine in vitro the tidemark in cylindrical osteochondral disks (n = 33) harvested from advanced OA knees of humans. We found good correspondence in morphology observed by ultrasound imaging and micro-computed tomography...
September 28, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28936540/-chondral-and-osteochondral-defects-representation-by-imaging-methods
#5
REVIEW
S Nebelung, B Rath, M Tingart, C Kuhl, S Schrading
Morphological imaging of cartilage at high resolution allows the differentiation of chondral and osteochondral lesions. Nowadays, magnetic resonance imaging is the principal diagnostic tool in the assessment of cartilage structure and composition. Conventional radiography, computed tomography, ultrasound or optical coherence tomography are adjunct diagnostic modalities in the assessment of cartilage pathologies. The present article discusses the up-to-date diagnostic practice of cartilage imaging in terms of its scientific basis and current clinical status, requirements, techniques and image interpretation...
September 21, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28919293/correlation-between-histological-and-ultrasonographic-findings-of-soft-tissue-tumors-to-verify-the-possibility-of-cell-like-resolution-in-ultrasonography
#6
Ching-Lan Wu, Yi-Chen Lai, Hsin-Kai Wang, Paul Chih-Hsueh Chen, Hong-Jen Chiou
BACKGROUND: The purpose of this study is to test the possibility of obtained cell-like resolution in soft tissue tumors on the basis of ultrasound echotexture. METHODS: This is a prospective study consisting of 57 patients (29 females and 28 males, age range: 9-83 years, average age: 44.5 years) with palpable soft tissue mass, referred from the Departments of Orthopedics and Oncology for ultrasound (US)-guided biopsy. The study was approved by the institutional review board (IRB) of our hospital...
September 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28889184/cartilage-oligomeric-matrix-protein-comp-in-rheumatoid-arthritis-and-its-correlation-with-sonographic-knee-cartilage-thickness-and-disease-activity
#7
Rajalingham Sakthiswary, Shamala Rajalingam, Heselynn Hussein, Radhika Sridharan, Abdul Wahab Asrul
The aim of the study is to investigate the correlation of serum cartilage oligomeric matrix protein (COMP) levels with articular cartilage damage based on sonographic knee cartilage thickness (KCT) and disease activity in rheumatoid arthritis (RA). A total of 61 RA patients and 27 healthy controls were recruited in this study. Serum samples were obtained from all subjects to determine the serum COMP levels. All subjects had bilateral ultrasound scan of their knees. The KCT was based on the mean of measurements at three sites: the medial condyle, lateral condyle and intercondylar notch...
September 9, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28872465/increased-reliability-of-quantitative-ultrasound-measures-of-the-supraspinatus-tendon-using-multiple-image-analysts-and-analysis-runs
#8
Elizabeth R Felix, Rachel E Cowan, Tyler S Clark, Diana D Cardenas, Robert W Irwin
Quantitative ultrasound (QUS) is an inexpensive and promising tool for sensitive measurement of tendon pathology. However, few studies have reported the psychometric properties of measurements obtained using this technique for assessments of the supraspinatus tendon. The present study was undertaken to determine the variance contributed by several sources of error (participant, ultrasound operator, image analyst, analysis session) to QUS measures of the supraspinatus tendon. Transverse images of the supraspinatus tendon were captured from eleven subjects (22 shoulders) by two ultrasonographers, and each image was analyzed by two image analysts who each completed two analysis runs...
September 1, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28870737/chondrocyte-primary-cilium-is-mechanosensitive-and-responds-to-low-intensity-ultrasound-by-altering-its-length-and-orientation
#9
Anuradha Subramanian, Gaurav Budhiraja, Neety Sahu
The primary cilium has been implicated in mechanotransduction, however, its mechanosensory role in transducing signals under low-intensity ultrasound (LIUS) which has the potential to repair fractures and cartilage, remains uninvestigated. This study examined the impact of continuous-wave US, at the cell resonance frequency of 5.0MHz and pressure amplitude of either 14 or 60kPa, on the incidence, length and orientation of primary cilium in bovine articular chondrocytes. Visualization of primary cilium with acetylated α-tubulin staining demonstrated that the primary cilium was elongated, bent under US and these changes were reversible...
October 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28840282/evaluation-of-a-well-known-technique-with-ultrasound-dorsal-grafting-in-rhinoplasty
#10
Basak Caypinar Eser, A Emre Ilhan, Betul Cengiz
OBJECTIVE: We aimed to evaluate the survival of a well-known camouflage technique using ultrasound imaging of the graft through the nasal dorsum and supratip. MATERIAL AND METHOD: Twenty-two patients (8 women and 14 men) who underwent primary rhinoplasty performed by the same surgeon in Isparta, Turkey, between December 2013 and February 2015, were evaluated in this retrospective study. We used the remaining pieces of harvested septal cartilage during rhinoplasty as autologous graft material and venous blood mixture as a scaffold in a Turkish Delight fashion...
August 24, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28837973/arthrosonographic-reference-values-of-the-shoulder-joint-in-healthy-children-and-adolescents-a-cross-sectional-multicentre-ultrasound-study
#11
Ralf Trauzeddel, Daniel Windschall, Ralf Felix Trauzeddel, Christine Nirschl, Gerd Ganser, Katharina Palm-Beden, Rainer Berendes, Maria Haller, Manuela Krumrey-Langkammerer, Antje Nimtz-Talaska, Philipp Schoof, Hartwig Lehmann
Background Defining of gray scale ultrasound standard reference values of the shoulder joint in childhood and adolescence during maturation. PATIENTS: We examined 445 healthy girls and boys between 1 year and 18 years of age. Method A cross-sectional multicentre grey-scale ultrasound study was performed to examine the shoulder joint on both sides. The children were divided according to their gender and were further classified into six age groups, which constituted three-year age ranges, to record anatomical development changes...
September 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28792423/novel-%C3%AE-tcp-pva-bilayered-hydrogels-with-considerable-physical-and-bio-functional-properties-for-osteochondral-repair
#12
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
#13
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
#14
COMPARATIVE STUDY
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
#15
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...
October 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28685414/cervical-chondrocutaneous-branchial-remnants
#16
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
#17
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
#18
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...
August 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28653865/sagittal-plane-knee-moment-during-gait-and-knee-cartilage-thickness
#19
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
#20
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
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