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Cartilage AND ultrasound

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https://www.readbyqxmd.com/read/29210196/ultrasonographic-detection-of-double-contour-sign-and-hyperechoic-aggregates-for-diagnosis-of-gout-two-sites-examination-is-as-good-as-six-sites-examination
#1
Danveer Bhadu, Siddharth K Das, Archana Wakhlu, Urmila Dhakad, Meha Sharma
OBJECTIVE: To compare ultrasound-detected abnormalities, namely double contour sign (DCS) and hyperechoic aggregates (HAGs), at two sites (knee and first metatarsophalangeal [1st MTP] joints) versus six sites (knee joint, 1st MTP joint, radiocarpal joint, talar joint, patellar tendon and triceps tendon) in gout patients. METHODS: Forty-seven clinically diagnosed gout patients and 50 subjects (serum uric acid < 7 mg/dL) as controls were included. DCS was looked for at three articular cartilage sites (first metatarsal, tibiotalar and femoral condyle), whereas HAGs were looked for at one joint site (radiocarpal joint) and two tendon sites (patellar tendon and triceps tendon)...
December 5, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29171977/ultrasonographic-measurements-of-the-metacarpophalangeal-and-talar-cartilage-thicknesses-a-reliability-study-in-healthy-subjects
#2
Şule Şahin Onat, Ayşe Merve Ata, Simão Serrano, Shaw-Gang Shyu, João Constantino, Süha Yalçın, Cengiz Açıkel, Murat Kara, Levent Özçakar
BACKGROUND: Assessment of the joint cartilage using ultrasound (US) imaging is important. OBJECTIVE: Our aim was to investigate the reliabilities of ultrasonographic measurements for talus dome (TCT) and metacarpal cartilage thicknesses (MCT). METHODS: Twenty healthy volunteers were recruited in the study. Every day, five physiatrists measured eight joint cartilage thicknesses. They repeated all the measurements in five consecutive days. RESULTS: Intra-observer intraclass correlation coefficient (ICC) values were "excellent" for all MCTs, except for the 3rd left MCT on the 1st day, 4th left MCT on the 1st day and 4th right MCT on the 3rd day which were "good"...
November 17, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29132387/theoretically-proposed-optimal-frequency-for-ultrasound-induced-cartilage-restoration
#3
April D Miller, Anuradha Subramanian, Hendrik J Viljoen
BACKGROUND: Matching the frequency of the driving force to that of the system's natural frequency of vibration results in greater amplitude response. Thus we hypothesize that applying ultrasound at the chondrocyte's resonant frequency will result in greater deformation than applying similar ultrasound power at a frequency outside of the resonant bandwidth. Based on this resonant hypothesis, our group previously confirmed theoretically and experimentally that ultrasound stimulation of suspended chondrocytes at resonance (5 MHz) maximized gene expression of load inducible genes...
November 14, 2017: Theoretical Biology & Medical Modelling
https://www.readbyqxmd.com/read/29111161/effect-of-low-intensity-pulsed-ultrasound-on-joint-injury-and-post-traumatic-osteoarthritis-an-animal-study
#4
Talal Zahoor, Reed Mitchell, Priya Bhasin, Yi Guo, Sharada Paudel, Lew Schon, Zijun Zhang
This study investigated the therapeutic potential of low-intensity pulsed ultrasound (LIPUS) in post-traumatic osteoarthritis (PTOA). Intra-articular fracture of the medial tibial plateau was surgically created in 30 rats. LIPUS was applied to the operated joints either for the first 2 wk (LIPUS1-2 group) or in weeks 4 and 5 after intra-articular fracture (LIPUS4-5 group). In controls, the operated knees were not treated with LIPUS (LIPUS0 group). The rats were monitored with weekly gait analysis and euthanized at week 8...
October 27, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29098260/-applications-of-ultrasound-guided-superior-laryngeal-nerve-block-and-cricothyroid-membrane-puncture-in-conscious-endotracheal-intubation
#5
Jun-An Wang, Yu Sun, Yan Huang, Hong Jiang
PURPOSE: To explore the clinical value of ultrasound-guided superior laryngeal nerve block and cricothyroid membrane puncture in conscious endotracheal intubation. METHODS: Thirty ASA classⅠorII patients scheduled for selective surgeries were randomly divided into 2 groups, Group U was ultrasound-guided group (n=15), group A was anatomical location group (n=15). Transnasal tracheal intubation was performed in all patients. In patient of group U, thyrohyoid membrane was shown hyperecho by ultrasound and echoless superior laryngeal artery passed across it...
June 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29075523/standards-for-musculoskeletal-ultrasound
#6
REVIEW
Zbigniew Czyrny
Ultrasound has become the primary diagnostic tool in traumatic, inflammatory and degenerative soft tissue conditions. It is also used to monitor the condition of joints, ligaments, cartilage and muscles. Its widespread availability as well as cases of unsatisfactory quality of equipment and the lack of appropriate training of ultrasound examiners are reasons why standards need to be set for equipment requirements, the scope of ultrasound assessment and examiner's experience. The paper discusses ultrasound criteria that are common for many specialties as well as detailed criteria for the examined regions and structures along with their description...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29065925/ultrasound-verified-inflammation-and-structural-damage-in-patients-with-hereditary-haemochromatosis-related-arthropathy
#7
Christian Dejaco, Andreas Stadlmayr, Christina Duftner, Viktoria Trimmel, Rusmir Husic, Elisabeth Krones, Shahin Zandieh, Emma Husar-Memmer, Gernot Zollner, Josef Hermann, Judith Gretler, Angelika Lackner, Anja Ficjan, Christian Datz, Roland Axman, Jochen Zwerina
BACKGROUND: Chronic arthropathy occurs in approximately two thirds of patients with hereditary haemochromatosis (HH). The aim was to study inflammatory and structural lesions in patients with HH with (HH-A) and without arthropathy (HH-WA) using ultrasonography. METHODS: This was a cross-sectional study of 26 patients with HH-A, 24 with HH-WA and 37 with hand osteoarthritis (HOA). Clinical examination was performed in 68 joints, and we retrieved data on hand function, pain and global disease activity (all using a visual analogue scale (VAS)), morning stiffness and ferritin levels...
October 24, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29064570/effects-of-scaffold-microstructure-and-low-intensity-pulsed-ultrasound-on-chondrogenic-differentiation-of-human-mesenchymal-stem-cells
#8
Mitra Aliabouzar, Se-Jun Lee, Xuan Zhou, Grace Lijjie Zhang, Kausik Sarkar
The effects of low intensity pulsed ultrasound (LIPUS) on proliferation and chondrogenic differentiation of human mesenchymal stem cells (hMSCs) seeded on 3D printed poly-(ethylene glycol)-diacrylate (PEG-DA) scaffolds with varying pore geometries (square and hexagonal channels) were investigated. The scaffold with square pores resulted in higher hMSC growth and chondrogenic differentiation than a solid or a hexagonally porous scaffold. The optimal LIPUS parameters at 1.5 MHz were found to be 100 mW/cm(2) and 20% duty cycle...
October 24, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29063711/role-of-ultrasound-measuring-position-and-ventilation-pressure-in-determining-correct-tube-size-in-children
#9
Christoph Schramm, Luzie S Eisleben, Jens Kessler, Katrin Jensen, Konstanze Plaschke
BACKGROUND: Ultrasound measurements of the airway are useful for determining correctly sized, uncuffed endotracheal tubes in children. AIMS: The primary objective of this study was to evaluate the influence of ventilation pressure on the sonographically measured tracheal diameter at different levels. METHODS: A total of 100 patients (under 7 years) were enrolled in this study. Six sonographic measurements of minimal transverse diameters at 3 locations (vocal chords, cricoid cartilage, and proximal trachea) and at 2 different ventilation pressures (0 and 15 mbar) were performed before the intubation procedure...
October 24, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29049810/the-use-of-ultrasound-in-the-management-of-a-life-threatening-malignant-laryngotracheal-obstruction
#10
Alfonso Fiorelli, Gaetana Messina, Antonio Raucci, Mario Santini
Ultrasound is becoming a valuable diagnostic tool in the armamentarium of thoracic surgeons. We report its use to follow stent placement in the laryngotracheal position for management of life-threatening neoplastic obstruction. For this purpose, a 15-MHz linear probe was placed in the midline at the level of the cricoid cartilage. Ultrasound performed daily at bedside showed normal movement of vocal folds and no stent dislocation. This strategy may be an alternative to computed tomography scan or endoscopy to follow stent placement in extrathoracic airways...
September 26, 2017: Interactive Cardiovascular and Thoracic Surgery
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
#11
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
#12
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
#13
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
#14
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
#15
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...
November 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
#16
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
#17
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...
December 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
#18
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
#19
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
#20
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
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