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https://www.readbyqxmd.com/read/28444935/hydration-status-influences-the-measurement-of-arterial-stiffness
#1
Aaron R Caldwell, Matthew A Tucker, Jenna Burchfield, Nicole E Moyen, Alf Z Satterfield, Ashley Six, Brendon P McDermott, Sean W Mulvenon, Matthew S Ganio
Consensus guidelines have attempted to standardize the measurement and interpretation of pulse wave velocity (PWV); however, guidelines have not addressed whether hydration status affects PWV. Moreover, multiple studies have utilized heat stress to reduce arterial stiffness which may lead to dehydration. This study utilized two experiments to investigate the effects of dehydration on PWV at rest and during passive heat stress. In experiment 1, subjects (n = 19) completed two trials, one in which they arrived euhydrated and one dehydrated (1·2[1·0]% body mass loss)...
April 26, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28439432/posterior-interosseous-nerve-palsy-caused-by-a-ganglion-conservative-treatment-with-ultrasound-guided-needle-aspiration
#2
Yasuhiro Seki
Posterior interosseous nerve palsy caused by a ganglion is not common and most previous patients were treated with excisional surgery. We treated a case conservatively with needle aspiration using ultrasonography, after a nerve conduction study. A 77-year-old man presented with impaired active finger extension of the left metacarpophalangeal joints. The nerve conduction study revealed conduction block of the left radial nerve near the elbow. Ultrasonography demonstrated a hypoechoic mass anterior to the radial neck compressing the posterior interosseous nerve...
March 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28435568/early-vessels-exploration-of-pink-pulseless-hand-in-gartland-iii-supracondylar-fracture-humerus-in-children-facts-and-controversies
#3
T Z Tunku-Naziha, Wms Wan-Yuhana, D Hadizie, Muhammad-Paiman, S Abdul-Nawfar, W S Wan-Azman, M S Arman-Z, S Abdul-Razak, M Z Rhendra-Hardy, W I Wan-Faisham
The management of pink pulseless limbs in supracondylar fractures has remained controversial, especially with regards to the indication for exploration in a clinically well-perfused hand. We reviewed a series of seven patients who underwent surgical exploration of the brachial artery following supracondylar fracture. All patients had a non-palpable radial artery, which was confirmed by Doppler ultrasound. CT angiography revealed complete blockage of the artery with good collateral and distal run-off. Two patients were more complicated with peripheral nerve injuries, one median nerve and one ulnar nerve...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435503/ultrasound-guided-radial-artery-compression-to-assess-blood-pressure
#4
Leonard Bunting, Andrew Butki, Ashley Sullivan
INTRODUCTION: We proposed using compression sonography to observe the coaptation and collapse of the radial artery as a surrogate for automated cuff blood pressures (BP). We hypothesize that the pressure required to achieve coaptation and complete collapse of the artery would correlate to the diastolic and systolic BP, respectively. This pilot study was to assess the feasibility of ultrasound-guided radial artery compression (URAC) for BP measurement and compare patient comfort levels during automated cuff with URAC measurements...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28433837/internal-maxillary-bypass-for-complex-pediatric-aneurysms
#5
Long Wang, Shuaibin Lu, Hai Qian, Xiang'en Shi
BACKGROUND: Complex pediatric aneurysms (PAs) are an unusual clinicopathologic entity, and data remain limited regarding the use of a bypass procedure to treat this formidable disorder. METHODS: Internal maxillary artery (IMA) to middle cerebral artery (MCA) bypass with radial artery graft (RAG) was utilized to isolate PAs. Bypass patency and aneurysm stability were evaluated using intraoperative Doppler ultrasound, indocyanine green videoangiography and postoperative angiography...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427670/estimation-of-the-distribution-of-low-intensity-ultrasound-mechanical-index-as-a-parameter-affecting-the-proliferation-of-spermatogonia-stem-cells-in-vitro
#6
Zeinab Hormozi Moghaddam, Manijhe Mokhtari-Dizaji, Mansoureh Movahedin, Mohammad Ehsan Ravari
Considering the use of physical and mechanical stimulation, such as low-intensity ultrasound for proliferation and differentiation of stem cells, it is essential to understand the physical and acoustical mechanisms of acoustic waves in vitro. Mechanical index is used for quantifying acoustic cavitation and the relationship between acoustic pressure and the frequency. In this study, modeling of the mechanical index was applied to provide treatment protocol and to understand the effective physical processes on reproducibility of stem cells...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28420906/comparison-of-ultrasound-and-ultrasound-plus-nerve-stimulator-guidance-axillary-plexus-block
#7
Gokhan Demirelli, Semih Baskan, Isil Karabeyoglu, Ismail Aytac, Dilsen Hatice Ornek, Alper Erdogmus, Mustafa Baydar
OBJECTIVE: To evaluate the characteristics of axillary plexus blockade applied using ultrasound only and using ultrasound together with nerve stimulator in patients undergoing planned forearm, wrist or hand surgery. METHODS: This randomised, prospective, double-blinded, single-centre study was conducted at Ankara Numune Training and Research Hospital, Ankara, Turkey, from November 2014 to August 2015, and comprised patients undergoing forearm, wrist or hand surgery...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28408062/novel-method-for-vessel-cross-sectional-shear-wave-imaging
#8
Qiong He, Guo-Yang Li, Fu-Feng Lee, Qihao Zhang, Yanping Cao, Jianwen Luo
Many studies have investigated the applications of shear wave imaging (SWI) to vascular elastography, mainly on the longitudinal section of vessels. It is important to investigate SWI in the arterial cross section when evaluating anisotropy of the vessel wall or complete plaque composition. Here, we proposed a novel method based on the coordinate transformation and directional filter in the polar coordinate system to achieve vessel cross-sectional shear wave imaging. In particular, ultrasound radiofrequency data were transformed from the Cartesian to the polar coordinate system; the radial displacements were then estimated directly...
April 10, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28406160/morphological-detection-and-functional-assessment-of-regenerated-nerve-after-neural-prosthesis-with-a-pgla-nerve-conduit
#9
Dong Gao, Jun-Jian Jiang, Shi-Hui Gu, Jiu-Zhou Lu, Lei Xu
This study aimed to observe the morphological characteristics of a PGLA [poly(glycolide-co-L-lactide)] nerve conduit and regenerated nerve bundle in the human body using high-frequency ultrasound and examine functional recovery of the regenerated nerve using functional magnetic resonance imaging (fMRI) after neural prosthesis with a PGLA nerve conduit. Thirty-nine patients underwent high-frequency ultrasound, and one patient with superficial radial nerve injury (27-mm defect) underwent fMRI at one, three, and six postoperative months...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28400223/acute-radial-neuropathy-at-the-spiral-groove-following-massage-a-case-report
#10
Po-Cheng Hsu, Jan-Wei Chiu, Chen-Liang Chou, Jia-Chi Wang
Massage related nerve injury is an uncommon, rarely reported complication. We report an unusual case of radial nerve neuropathy at the spiral groove in a 58 years old woman resulting from a single episode of deep tissue massage. Although the spiral groove is known as the most common site implicated in radial nerve neuropathy, to our knowledge, there have not previously been any reports of massage related spiral groove radial nerve neuropathy. Electrodiagnostic and ultrasound examinations were used to localize the nerve lesion at the spiral groove on the affected side...
April 8, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28400182/comparative-effectiveness-of-non-operative-treatments-for-chronic-calcific-tendinitis-of-the-shoulder-a-systematic-review-and-network-meta-analysis-of-randomized-controlled-trials
#11
REVIEW
Yi-Cheng Wu, Wen-Chung Tsai, Yu-Kung Tu, Tung-Yang Yu
OBJECTIVE: To investigate the effectiveness of various non-operative treatments for chronic calcific tendinitis of the shoulder. A systematic review and network meta-analysis of randomized trials was performed to evaluate changes in pain reduction, functional improvements in patients with calcific tendinitis, and the ratio of complete resolution of calcific deposition. DATA SOURCES: Studies were comprehensively searched, without language restrictions on PubMed, Embase, Cochrane Controlled Trials Register, the Cochrane and other databases...
April 8, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28399830/electromagnetic-navigation-bronchoscopy-to-access-lung-lesions-in-1-000-subjects-first-results-of-the-prospective-multicenter-navigate-study
#12
Sandeep J Khandhar, Mark R Bowling, Javier Flandes, Thomas R Gildea, Kristin L Hood, William S Krimsky, Douglas J Minnich, Septimiu D Murgu, Michael Pritchett, Eric M Toloza, Momen M Wahidi, Jennifer J Wolvers, Erik E Folch
BACKGROUND: Electromagnetic navigation bronchoscopy (ENB) is an image-guided, minimally invasive approach that uses a flexible catheter to access pulmonary lesions. METHODS: NAVIGATE is a prospective, multicenter study of the superDimension™ navigation system. A prespecified 1-month interim analysis of the first 1,000 primary cohort subjects enrolled at 29 sites in the United States and Europe is described. Enrollment and 24-month follow-up are ongoing. RESULTS: ENB index procedures were conducted for lung lesion biopsy (n = 964), fiducial marker placement (n = 210), pleural dye marking (n = 17), and/or lymph node biopsy (n = 334; primarily endobronchial ultrasound-guided)...
April 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28390709/intra-and-inter-rater-reliability-of-peripheral-arterial-blood-flow-velocity-by-means-of-doppler-ultrasound
#13
Elaine Caldeira de Oliveira Guirro, Gabriella de Paula Marcondes Ferreira Leite, Almir Vieira Dibai-Filho, Nathalia Cristina de Souza Borges, Rinaldo Roberto de Jesus Guirro
OBJECTIVE: Although it is possible to find studies that analyze the velocity of blood flow in different arteries, the reliability of Doppler ultrasound on peripheral arteries has not yet been completely established. Our objective was to evaluate intra- and inter-rater reliability of the measurement of blood flow velocity by Doppler ultrasound of brachial, radial, popliteal, and posterior tibial arteries. METHODS: Fifty healthy individuals of both genders, aged between 18 and 45 years, were included in the study...
April 5, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28389821/variations-of-anatomy-on-mri-of-the-first-extensor-compartment-of-the-wrist-and-association-with-dequervain-tenosynovitis
#14
Connie Y Chang, Arvin B Kheterpal, Joao Rafael Terneria Vicentini, Ambrose J Huang
OBJECTIVE: To study anatomical variations on MRI of the first extensor compartment of the wrist in DeQuervain tenosynovitis (DQT). MATERIALS AND METHODS: A retrospective search for DQT patients yielded 47 subjects (51 ± 15 years, 36 female, 11 male). The age-matched control group (normal first extensor compartment) was 49 ± 15 years (29 female, 18 male). Two independent readers reviewed: the number of abductor pollicis longus (APL) tendon slips, tendon sheath septations (compartmentalization), and APL and EPB cross-sectional area (CSA) at the radial styloid...
April 7, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28385401/vascular-access-site-and-outcomes-among-26-807-chronic-total-coronary-occlusion-angioplasty-cases-from-the-british-cardiovascular-interventions-society-national-database
#15
Tim Kinnaird, Richard Anderson, Nick Ossei-Gerning, Sean Gallagher, Adrian Large, Julian Strange, Peter Ludman, Mark de Belder, James Nolan, David Hildick-Smith, Mamas Mamas
OBJECTIVES: The aim of this study was to assess, using a national percutaneous coronary intervention (PCI) database, access-site choice and outcomes after chronic total occlusion (CTO) PCI. BACKGROUND: Given the influence of access site on outcomes, the use of radial access in CTO PCI warrants further investigation. METHODS: Data were analyzed from the British Cardiovascular Intervention Society dataset of 26,807 elective CTO PCI procedures performed in England and Wales between 2006 and 2013...
April 10, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28378489/subclinical-enthesitis-in-nail-psoriasis-patients-a-case-control-study
#16
Karlijn M G Klaassen, Marieke J M Ploegmakers, Peter C M van de Kerkhof, Willemijn M Klein, Marcel C Pasch
BACKGROUND: Patients with nail psoriasis have a higher prevalence of psoriatic arthritis; however, the pathogenetic relationship between these two disorders is as yet unclear. Entheses have been suggested as disease epicenter, which might explain the pathogenesis on an anatomical level. OBJECTIVE: To contribute to the elucidation of the hypothesis as regards the anatomical link between nail psoriasis and psoriatic arthritis, with the extensor enthesis of the distal interphalangeal joint as the epicenter...
April 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28375915/common-entrapment-neuropathies
#17
Lisa D Hobson-Webb, Vern C Juel
PURPOSE OF REVIEW: This article addresses relevant peripheral neuroanatomy, clinical presentations, and diagnostic findings in common entrapment neuropathies involving the median, ulnar, radial, and fibular (peroneal) nerves. RECENT FINDINGS: Entrapment neuropathies are a common issue in general neurology practice. Early diagnosis and effective management of entrapment mononeuropathies are essential in preserving limb function and maintaining patient quality of life...
April 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28366548/inaccuracy-of-lung-adenocarcinoma-subtyping-using-preoperative-biopsy-specimens
#18
Kuo-Yang Huang, Pin-Zuo Ko, Chih-Wei Yao, Cheng-Nan Hsu, Hsin-Yuan Fang, Chih-Yeh Tu, Hung-Jen Chen
BACKGROUND: The prognostic significance of the new classification of lung adenocarcinoma proposed in the 2015 World Health Organization guideline has been validated. This study aimed to compare the preoperative classification of the adenocarcinoma subtype based on computed tomography-guided 18-gauge core needle biopsy (CTNB) or radial probe endobronchial ultrasound (R-EBUS) specimens, with the postoperative classification based on the resected specimens. METHODS: We retrospectively analyzed a consecutive series of 128 patients (60 CTNB and 68 R-EBUS) who underwent surgery for preoperatively confirmed lung adenocarcinoma between 2010 and 2014...
March 11, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28366179/effect-of-self-expanding-carotid-stents-on-plaque-thickness-and-vessel-diameter
#19
Rafael Martínez-Pérez, Graeme Marchuk, Donald H Lee, David M Pelz, Stephen P Lownie
BACKGROUND: In vitro models have suggested that stents affect atherosclerotic plaques symmetrically because of their outward radial forces. We evaluated the effects of stents on carotid plaque and the arterial wall using carotid ultrasound in carotid stenting patients to see whether these effects were borne out in vivo. METHODS: From a carotid stent database, 30 consecutive patients were selected. All had carotid Doppler ultrasound performed pre- and poststenting...
April 3, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28345788/horticultural-activity-predicts-later-localized-limb-status-in-a-contemporary-pre-industrial-population
#20
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
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