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Ultrasound radial

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https://www.readbyqxmd.com/read/28345788/horticultural-activity-predicts-later-localized-limb-status-in-a-contemporary-pre-industrial-population
#1
Jonathan Stieglitz, Benjamin C Trumble, Hillard Kaplan, Michael Gurven
OBJECTIVES: Modern humans may have gracile skeletons due to low physical activity levels and mechanical loading. Tests using pre-historic skeletons are limited by the inability to assess behavior directly, while modern industrialized societies possess few socio-ecological features typical of human evolutionary history. Among Tsimane forager-horticulturalists, we test whether greater activity levels and, thus, increased loading earlier in life are associated with greater later-life bone status and diminished age-related bone loss...
March 27, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28336237/point-of-care-ultrasound-sonographic-posterior-fat-pad-sign-a%C3%A2-case-report-and-brief-literature-review
#2
Yoshito Okumura, Nestor Maldonado, Kyle Lennon, Bryan McCarty, Philipp Underwood, Mathew Nelson
BACKGROUND: Diagnosis of elbow fracture can sometimes be difficult with plain radiography due to overlapping bones, growth plates, and maturing bones in the pediatric population. The radiographic posterior fat pad (PFP) sign is one of the frequently referenced indirect signs of an occult elbow fracture. This sign can be falsely negative if the sign is subtle, and can be falsely positive when the position of the elbow is not flexed at 90 degrees. CASE REPORT: We discuss a case in which sonographic PFP sign helped to diagnose an elbow fracture...
March 20, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28331821/comparison-between-endobronchial-ultrasound-guided-transbronchial-biopsy-and-ct-guided-transthoracic-lung-biopsy-for-the-diagnosis-of-peripheral-lung-cancer-a-systematic-review-and-meta-analysis
#3
Ping Zhan, Qing-Qing Zhu, Ying-Ying Miu, Ya-Fang Liu, Xiao-Xia Wang, Ze-Jun Zhou, Jia-Jia Jin, Qian Li, Shinji Sasada, Takehiro Izumo, Chih-Yen Tu, Wen-Chien Cheng, Matthew Evison, Tang-Feng Lv, Yong Song
BACKGROUND: With the release of the National Lung Screening Trial results, the detection of peripheral pulmonary lesions (PPLs) is likely to increase. Computed tomography (CT)-guided percutaneous transthoracic needle biopsy (PTNB) and radial probe endobronchial ultrasound (r-EBUS)-guided transbronchial lung biopsy (TBLB) are recommended for tissue diagnosis of PPLs. METHODS: A systematic review of published literature evaluating the accuracy of r-EBUS-TBLB and CT-PTNB for the diagnosis of PPLs was performed to determine point sensitivity and specificity, and to construct a summary receiver-operating characteristic curve...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28323734/radial-probe-ultrasound-guided-cryobiopsy
#4
Ilya G Berim, Ali I Saeed, Ahmed Awab, Adam Highley, Agnes Colanta, Fawad Chaudry
Fluoroscopy-guided transbronchial forceps biopsy has a low diagnostic yield in patients with radiographic suspicion of interstitial lung disease. Cryobiopsy has a higher diagnostic yield likely due to preserved lung architecture and larger biopsies; however, there is an increased risk of major airway bleeding and pneumothorax. Simultaneous use of endobronchial balloon blocker allows for containment of bleeding after cryobiopsy to the affected lobe. In the current article we describe use of radial ultrasound in identification of a target lung parenchyma without a major blood vessel adjacent to distal bronchi...
April 2017: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/28298950/sonography-in-capsular-contracture-after-breast-augmentation-value-of-established-criteria-new-techniques-and-directions-for-research
#5
REVIEW
Johannes Gossner
Capsular contracture or capsular fibrosis is the most common complication following breast augmentation with implants. Sonography is usually the initial imaging test performed to examine a suspicious implant. In contrast to the large number of patients developing capsular fibrosis there is only sparse literature reporting about sonographic findings. In this letter after a brief review of normal sonographic findings after breast augmentation, established ultrasound findings suggestive of capsular fibrosis (deformity, increased number of radial folds and thickening of the fibrous capsule) are discussed...
March 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28297059/preoperative-ultrasound-still-valuable-for-radio-cephalic-arteriovenous-fistula-creation
#6
Jernej Pajek, Marko Malovrh
Radio-cephalic arteriovenous fistula is a prototype hemodialysis access with small incidences of infection and distal ischemia, it spares proximal veins for future access use and it helps in the maturation of veins that may be used for more proximal access creations. This access type is prone to higher early failure rates compared to more proximal fistulas and there are unsolved uncertainties regarding exact ultrasound parameters predictive of fistula outcome. Evolution of ultrasound use has yielded several functional parameters that can be measured in addition to anatomical lumen sizes, which remain core parameters on which the decision to construct fistula in radio-cephalic forearm position is based...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28296143/targeting-the-safe-zone
#7
Andrea Mignatti, Patricia Friedmann, David Paul Slovut
OBJECTIVE: The aim of this study was to assess the effectiveness of a quality improvement (QI) program in reducing vascular complications during cardiac catheterization. BACKGROUND: Vascular access complications during cardiac catheterization are associated with higher morbidity and mortality. We implemented a QI program focused on using micropuncture techniques and targeting the "safe zone," an area below the inferior border of the inferior epigastric artery and above the inferior border of the femoral head, for femoral artery puncture...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28295792/biventricular-impact-of-mild-to-moderate-pulmonary-valve-stenosis-in-fetal-life
#8
L Guirado, F Crispi, N Masoller, M Bennasar, E Marimon, J Carretero, E Gratacós, J M Martínez, M K Friedberg, O Gómez
OBJECTIVES: to define the pattern of fetal echocardiographic changes associated with isolated pulmonary valve stenosis (PS) and to correlate the echocardiographic findings with the neonatal outcome and the need of postnatal pulmonary valvuloplasty within the first 12 months of life. METHODS: a prospective cohort study was designed on 16 fetuses with isolated PS and 48 controls matched by gestational age at scan (+/- 2 weeks). Fetal standard ultrasound and comprehensive echocardiography, which included cardiovascular morphometric parameters, systolic and diastolic functional and timing-measurements, were performed in all cases...
March 10, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28290908/-coronary-angioplasty-and-stenting-in-patients-older-than-80-years-immediate-and-long-term-results
#9
A M Babunashvili, D P Dundua, D S Kartashov, A A Bazarnova, A Yu Korenevich, M E Vetluzhskikh
AIM: to assess immediate and long-term results of coronary angioplasty and stenting in patients older than 80 years - a high risk group in view of the severity of concomitant pathology and extent of coronary atherosclerosis. MATERIAL AND METHODS: We conducted retrospective analysis of data from 167 patients older than 80 years (mean age 81.43+/-2.14 years) subjected to percutaneous coronary intervention from 2006 to 2013 (3.2% from total number of patients). Multivessel involvement was present in 128 patients (76...
July 2016: Kardiologiia
https://www.readbyqxmd.com/read/28288688/postoperative-brachial-artery-entrapment-associated-with-pediatric-supracondylar-fracture-of-the-humerus-a-case-report
#10
David Latz, Jan Grassmann, Erik Schiffner, Sebastian Gehrmann, Mansur Duran, Joachim Windolf, Pascal Jungbluth
BACKGROUND: Severely displaced supracondylar fractures of the humerus in children are frequently associated with complications including neurovascular injuries, non-union, or compartment syndrome. In the current literature, no report exists about postoperative brachial artery entrapment in combination with an inconspicuous preoperative neurovascular examination. CASE PRESENTATION: We present a case of a 6-year-old white boy with a pulseless radial and ulnar artery after open reduction and internal fixation of a severely displaced supracondylar fracture of his right humerus (Gartland type III) using four K-wires...
March 14, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28287967/vibrational-responses-of-bound-and-non-bound-targeted-lipid-coated-single-microbubbles
#11
Tom van Rooij, Ines Beekers, Kirby R Lattwein, Ton van der Steen, Nico de Jong, Klazina Kooiman
One of the main challenges for ultrasound molecular imaging is acoustically distinguishing non-bound microbubbles from those bound to their molecular target. In this in vitro study, we compared two types of in-house produced targeted lipidcoated microbubbles, either consisting of DPPC or DSPC lipid as the main lipid, using the Brandaris 128 ultra-high-speed camera to determine vibrational response differences between bound and non-bound biotinylated microbubbles. In contrast to previous studies that studied vibrational differences upon binding, we used a covalently bound model biomarker (i...
March 7, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28286397/perforator-peroneal-artery-flap-for-tongue-reconstruction
#12
Shubhra Chauhan, Sachin Chavre, Naveen Hedne Chandrashekar, Naveen B S
INTRODUCTION: Reconstruction has evolved long way from primary closure to flaps. As time evolved, better understanding of vascularity of flap has led to the development of innovative reconstructive techniques. These flaps can be raised from various parts of the body for reconstruction and have shown least donor site morbidity. We use one such peroneal artery perforator flap for tongue reconstruction with advantage of thin pliable flap, minimal donor site morbidity and hidden scar. MATERIALS AND METHODS: Our patient 57yrs old lady underwent wide local excision with selective neck dissection...
March 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28284770/point-of-care-ultrasonography-to-assist-in-the-diagnosis-and-management-of-subluxation-of-the-radial-head-in-pediatric-patients-a-case-series
#13
Faruk Güngör, Taylan Kılıç
BACKGROUND: A subluxation of the radial head (SRH) is a clinical condition that commonly occurs in children under 6 years of age. History and physical examination findings typically include a child who presents with an elbow held in extension and with forearm pronation, after having suffered significant longitudinal traction on the arm, or after a fall on an outstretched hand. The diagnosis is often clinically obvious. The injury responds dramatically to closed reduction, and usually no imaging is required...
March 8, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28283997/decision-support-system-for-detection-of-papilledema-through-fundus-retinal-images
#14
Shahzad Akbar, Muhammad Usman Akram, Muhammad Sharif, Anam Tariq, Ubaid Ullah Yasin
A condition in which the optic nerve inside the eye is swelled due to increased intracranial pressure is known as papilledema. The abnormalities due to papilledema such as opacification of Retinal Nerve Fiber Layer (RNFL), dilated optic disc capillaries, blurred disc margins, absence of venous pulsations, elevation of optic disc, obscuration of optic disc vessels, dilation of optic disc veins, optic disc splinter hemorrhages, cotton wool spots and hard exudates may result in complete vision loss. The ophthalmologists detect papilledema by means of an ophthalmoscope, Computed Tomography (CT), Magnetic Resonance Imaging (MRI) and ultrasound...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28273428/mechanical-biochemical-and-dietary-determinants-of-the-functional-model-of-bone-development-of-the-radius-in-children-and-adolescents
#15
Izabella Atena Ludwa, Bareket Falk, Wendy E Ward, Kimberley L Gammage, Panagiota Klentrou
This study examined the degree to which various mechanical, biochemical and dietary factors are related to non-weight bearing bone properties in 172 healthy peri-pubertal children (11.7±2.0 years). Dominant radial speed of sound (rSOS) was measured by transaxial quantitative ultrasound at distal radius. Potential modulating factors included somatic maturity offset (years from age of peak height velocity), grip strength, forearm lean cross-sectional area (CSA), physical activity, nutritional intake and amino-terminal cross-linking propeptide (NTx), reflecting bone resorption...
March 8, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28268993/real-time-ultrasound-based-control-of-a-virtual-hand-by-a-trans-radial-amputee
#16
Clayton A Baker, Nima Akhlaghi, Huzefa Rangwala, Jana Kosecka, Siddhartha Sikdar
Advancements in multiarticulate upper-limb prosthetics have outpaced the development of intuitive, non-invasive control mechanisms for implementing them. Surface electromyography is currently the most popular non-invasive control method, but presents a number of drawbacks including poor deep-muscle specificity. Previous research established the viability of ultrasound imaging as an alternative means of decoding movement intent, and demonstrated the ability to distinguish between complex grasps in able-bodied subjects via imaging of the anterior forearm musculature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267068/sensory-distribution-of-the-lateral-cutaneous-nerve-of-forearm-after-ultrasound-guided-block-potential-implications-for-thumb-base-surgery
#17
Christopher S Hasenkam, Gregory A Hoy, Paul F Soeding
Surgery of the wrist and hand commonly involves regional anesthesia of the median nerve and superficial radial nerve within the forearm. In this sonographic study, the contribution of the lateral cutaneous nerve of forearm (LCNF) to thumb cutaneous sensation was studied. Patients scheduled for thumb suspension arthroplasty (n = 35) were examined by ultrasound, with LCNF, median nerve, and superficial radial nerve identified. A single nerve was then injected with local anesthetic, and the area of cutaneous sensory loss mapped at 15 minutes...
March 6, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28258867/radial-artery-pseudoaneurysm
#18
Rick Tosti, Sezai Özkan, Robert M Schainfeld, Kyle R Eberlin
PURPOSE: To review the causes, clinical course, and management of patients with catheter-associated radial artery pseudoaneurysm (PSA). METHODS: We reviewed all patients diagnosed with radial artery PSA resulting from arterial line placement or radial artery access for cardiac procedures from 2010 to 2015. RESULTS: We identified 11 cases: 5 caused by arterial lines and 6 by cardiac procedures. The diagnosis was confirmed by duplex ultrasound in all cases; PSA size ranged from less than 1 cm to 5 cm in diameter...
February 28, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28256343/evaluation-of-coronary-artery-disease-using-myocardial-elastography-with-diverging-wave-imaging-validation-against-myocardial-perfusion-imaging-and-coronary-angiography
#19
Julien Grondin, Marc Waase, Alok Gambhir, Ethan Bunting, Vincent Sayseng, Elisa E Konofagou
Myocardial elastography (ME) is an ultrasound-based technique that can image 2-D myocardial strains. The objectives of this study were to illustrate that 2-D myocardial strains can be imaged with diverging wave imaging and differ, on average, between normal and coronary artery disease (CAD) patients. In this study, 66 patients with symptoms of CAD were imaged with myocardial elastography before a nuclear stress test or an invasive coronary angiography. Radial cumulative strains were estimated in all patients...
February 28, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28244238/peripheral-arteries-may-be-reliable-indicators-of-coronary-vascular-disease
#20
Christopher L Hoehmann, Bennett Futterman, Brian Lee Beatty
Atherosclerosis is a stronger predictor for ischemic cardiovascular events than traditional risk factors such as race, age, sex, history, and metabolic profile. Previous research had primarily used ultrasound; however, we performed a study using histopathology to more accurately grade atherosclerosis development using the American Heart Association's grading scale. We cross-sectioned 13 different arteries from 48 cadavers and placed them into three separate groups based on anatomic location: central arteries, peripheral arteries, and carotid arteries...
February 28, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
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