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carotid ultrasound

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https://www.readbyqxmd.com/read/29338745/study-of-correlation-between-wall-shear-stress-and-elasticity-in-atherosclerotic-carotid-arteries
#1
Bo Zhang, Junyi Gu, Ming Qian, Lili Niu, Dhanjoo Ghista
OBJECTIVE: This paper presents the use of the texture matching method to measure the rabbit carotid artery elasticity value of the experimental group and control group respectively. It compares the experimental rabbits, when they are prompted by pathological histology to be at the period of carotid atherosclerosis fatty streaks and fiber plaques, with the control group. METHODS: We have used ultrasound linear array probe for scanning the rabbit carotid arteries...
January 16, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29336616/study-of-the-osteoprotegerin-receptor-activator-of-nuclear-factor-kb-ligand-system-association-with-inflammation-and-atherosclerosis-in-systemic-sclerosis
#2
Rania M Gamal, Walid M Gamal, Abeer M Ghandour, Hanan Sayed M Abozaid, Mona Embarek Mohamed, Yasser Emad, Ahmed Abdel Galeel
OBJECTIVE: we aimed to study systemic sclerosis patients in order to assess osteoprotegerin/Receptor activator of nuclear factor-kB ligand (OPG/RANKL) system and find the relation of these biomarkers with the clinical features of the disease, the carotid intima thickness, markers of inflammation, lipid profile, and other laboratory characteristics. METHODS: both the level of (RANKL), (OPG) in sera of participants, in 30 (SSc) patients and the atherosclerotic changes affecting the common carotid artery were measured and, were compared to 30 healthy controls matched for age and sex...
January 16, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29334161/the-role-of-neurosonology-in-the-diagnosis-and-management-of-patients-with-carotid-artery-disease-a-review
#3
REVIEW
Odysseas Kargiotis, Apostolos Safouris, Georgios Magoufis, Maria Georgala, Andromachi Roussopoulou, Eleftherios Stamboulis, Konstantinos G Moulakakis, Andreas Lazaris, George Geroulakos, Spyros Vasdekis, Georgios Tsivgoulis
Carotid artery disease (CAD) is a common cause of ischemic stroke with high rates of recurrence. Carotid endarterectomy (CEA) or carotid artery stenting (CAS) are highly recommended for the secondary prevention of symptomatic CAD during the first 14 days following the index event of transient ischemic attack or minor stroke. CEA or CAS may also be offered in selected cases with severe asymptomatic stenosis. Herein, we review the utility of neurosonology in the diagnosis and pre-/peri-interventional assessment of CAD patients who undergo carotid revascularization procedures...
January 15, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29331960/pregnancy-loss-and-carotid-intima-media-thickness-in-mexican-women
#4
Sandra A Hartasanchez, Mario Flores-Torres, Adriana Monge, Elsa Yunes, Beatriz Rodriguez, Carlos Cantu-Brito, Daniela Colaci, Hector Lamadrid-Figueroa, Ruy Lopez-Ridaura, Martin Lajous
BACKGROUND: Cardiovascular disease in women often develops without conventional risk factors. Prenatal loss is a common pregnancy outcome that may result in physiological changes can increase the potential future risk of cardiovascular disease. Insufficient information exists regarding the impact of pregnancy loss on early markers of cardiovascular disease risk. METHODS AND RESULTS: Cross-sectional analysis of 1767 disease-free women from the MTC (Mexican Teachers' Cohort) who had been pregnant was used to evaluate the relationship between pregnancy loss and carotid intima-media thickness (IMT)...
January 13, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29331554/potential-role-of-transfontanelle-ultrasound-for-infants-undergoing-modified-blalock-taussig-shunt
#5
Eun-Hee Kim, Ji-Hyun Lee, In-Kyung Song, Hee-Soo Kim, Young-Eun Jang, Woong-Han Kim, Jae-Gun Kwak, Jin-Tae Kim
OBJECTIVE: Transfontanelle ultrasound is a noninvasive method for assessing cerebral blood flow in neonates and infants. The authors applied this technique as a point-of-care tool, before and after modified Blalock-Taussig shunt procedure, to evaluate cerebral perfusion. DESIGN: Retrospective, observational study. SETTING: Tertiary care children's hospital. PARTICIPANTS: Ten infants undergoing modified Blalock-Taussig shunt procedure...
December 11, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29325936/carotid-atherosclerotic-plaque-features-in-patients-with-acute-ischemic-stroke
#6
Runming Sun, Lixia Wang, Cuiling Guan, Wenyuan Cao, Bing Tian
OBJECTIVE: To investigate the carotid atherosclerotic plaque features in patients with acute ischemic stroke (AIS). METHODS: A total of 288 patients meeting the included criteria were enrolled and divided into ulcer plaque group (n = 139) and none ulcer plaque group (n = 149). Patients in ulcer plaque group were further subdivided into < and ≥ 50% stenosis group. Carotid plaque components characteristics including luminal stenosis, carotid plaque volume, hypoechoic plaque volume and hyperechoic plaque volume were analyzed by color Doppler ultrasound measurement...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325542/visceral-adipose-tissue-and-carotid-intima-media-thickness-in-hiv-infected-patients-undergoing-cart-a-prospective-cohort-study
#7
Maria Teresa Beires, André Silva-Pinto, Ana Cristina Santos, António José Madureira, Jorge Pereira, Davide Carvalho, António Sarmento, Paula Freitas
BACKGROUND: Combined antiretroviral therapy (cART) in HIV-infected patients has been associated with lipodystrophy, metabolic abnormalities, and an increased risk of cardiovascular disease. Ultrasound measures of carotid artery intima-media thickness (cIMT) have been used as a valid measure of subclinical atherosclerosis and as a tool to predict the risk of cardiovascular events. Our aim was to evaluate the progression of cIMT in HIV-infected patients subjected to cART, with and without lipodystrophy, over a one-year period...
January 11, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29323183/delivery-of-xenon-containing-echogenic-liposomes-inhibits-early-brain-injury-following-subarachnoid-hemorrhage
#8
Yi-Feng Miao, Tao Peng, Melanie R Moody, Melvin E Klegerman, Jaroslaw Aronowski, James Grotta, David D McPherson, Hyunggun Kim, Shao-Ling Huang
Xenon (Xe), a noble gas, has promising neuroprotective properties with no proven adverse side-effects. We evaluated neuroprotective effects of Xe delivered by Xe-containing echogenic liposomes (Xe-ELIP) via ultrasound-controlled cerebral drug release on early brain injury following subarachnoid hemorrhage (SAH). The Xe-ELIP structure was evaluated by ultrasound imaging, electron microscopy and gas chromatography-mass spectroscopy. Animals were randomly divided into five groups: Sham, SAH, SAH treated with Xe-ELIP, empty ELIP, or Xe-saturated saline...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29315509/carotid-plaque-volume-in-patients-undergoing-carotid-endarterectomy
#9
S Ball, S Rogers, K Kanesalingam, R Taylor, E Katsogridakis, C McCollum
BACKGROUND: The main indication for carotid endarterectomy (CEA) is severity of carotid artery stenosis, even though most strokes in carotid disease are embolic. The relationship between carotid plaque volume (CPV) and symptoms of cerebral ischaemia, and the measurement of CPV by minimally invasive tomographic ultrasound imaging, were investigated. METHODS: The volume of the endarterectomy specimen was measured using a validated saline suspension technique in patients undergoing CEA...
January 8, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29315095/observational-study-in-healthy-volunteers-to-define-interobserver-reliability-of-ultrasound-haemodynamic-monitoring-techniques-performed-by-trainee-doctors
#10
Benjamin M Bussmann, Shrey Sharma, David Mcgregor, William Hulme, Tim Harris
OBJECTIVES: Bedside ultrasound is increasingly being used to guide fluid management in shocked patients. Little data exist on the inter-rater reliability of techniques used, especially when performed by nonexpert trainee doctors. The primary aim of this study is to measure the inter-rater reliability of five ultrasound techniques commonly used to guide fluid management: inferior vena cava collapsibility index (IVCCI), transthoracic echocardiography (TTE)-derived stroke volumes, ultrasound cardiac output monitor (USCOM) derived stroke volume and carotid artery blood flow and corrected flow time measurements...
January 8, 2018: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/29312558/hyperglycemia-combined-helicobacter-pylori-infection-increases-risk-of-synchronous-colorectal-adenoma-and-carotid-artery-plaque
#11
Kuang-Chun Hu, Ming-Shiang Wu, Cheng-Hsin Chu, Horng-Yuan Wang, Shee-Chan Lin, Helen L Po, Ming-Jong Bair, Chuan-Chuan Liu, Tung-Hung Su, Chi-Ling Chen, Chun-Jen Liu, Shou-Chuan Shih
Background: Cardiovascular disease and colorectal cancer have severe consequences to human health and may occur simultaneously or sequentially. Carotid artery plaque is a predictor of cardiovascular disease, and colorectal adenoma is a premalignant lesion of colorectal cancer. We investigated the core risk factors of carotid artery plaque and colorectal adenoma. Results: In total, 2361 subjects were enrolled. In multivariate analysis, age ≥ 60 years, male sex, BMI > 27, LDL > 130 mg/dL, HbA1c ≥ 6...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29306892/association-of-body-flexibility-and-carotid-atherosclerosis-in-japanese-middle-aged-men-a-cross-sectional-study
#12
Masataka Suwa, Takayuki Imoto, Akira Kida, Takashi Yokochi, Mitsunori Iwase, Kenji Kozawa
OBJECTIVE: This study examined the associations of body flexibility with carotid arterial remodelling, including intima-media thickness (IMT) and plaque formation in middle-aged men. METHODS: The subjects of this cross-sectional study included 1354 Japanese men aged 35-59 years without histories of stroke or cardiac diseases. The arm extensibility test, which can estimate flexibility of the upper extremity (composed of shoulder external rotation and forearm supination), and the sit-and-reach test were performed...
January 5, 2018: BMJ Open
https://www.readbyqxmd.com/read/29306644/increasing-utilization-of-emergency-department-neuroimaging-in-medicare-beneficiaries-from-1994-to-2015
#13
Anand M Prabhakar, Ravi V Gottumukkala, Jennifer Hemingway, Danny R Hughes, Sumir S Patel, Richard Duszak
OBJECTIVE: To assess for changes in emergency department (ED) utilization of neuroimaging in Medicare fee-for-service beneficiaries from 1994 to 2015. METHODS: Using Medicare Physician Supplier Procedure Summary Master Files, annual ED volumes of head computed tomography (CT), magnetic resonance (MR), and carotid duplex ultrasound (CDUS) were assessed from 1994 through 2015. Annual volumes of head CT angiography (CTA), neck CTA, head MR angiography (MRA), and neck MRA studies were assessed from 2001 (first year of unique reporting codes) through 2015...
December 28, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29306627/favourable-outcomes-of-endovascular-total-aortic-arch-repair-via-needle-based-in-situ-fenestration-at-a-mean-follow-up-of-5-4%C3%A2-months
#14
Tao Shang, Lu Tian, Dong-Lin Li, Zi-Heng Wu, Hong-Kun Zhang
OBJECTIVES: Endovascular repair of aortic arch pathologies remains challenging. Recently, needle based in situ fenestration (ISF) has shown great potential in endovascular total aortic arch repair (ETAAR). This study aimed to evaluate the feasibility, effectiveness, and safety of ETAAR via needle based ISF, and to present initial experience with this technique. DESIGN AND METHODS: Patients who met the inclusion criteria were enrolled in this prospective study. The supra-arch branches were manually punctured in a retrograde manner using liver biopsy needles (18 gauge/30 cm) in the left common carotid artery (LCCA) and brachiocephalic trunk (BCT), and endo-puncture system or aspiration biopsy needles (21-gauge) in the left subclavian artery (LSA)...
January 3, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29306455/small-and-large-vessel-disease-in-persons-with-unrecognized-compared-to-recognized-myocardial-infarction-the-troms%C3%A3-study-2007-2008
#15
Andrea Milde Øhrn, Henrik Schirmer, Therese von Hanno, Ellisiv B Mathiesen, Kjell Arne Arntzen, Geir Bertelsen, Inger Njølstad, Maja-Lisa Løchen, Tom Wilsgaard, C Noel Bairey Merz, Haakon Lindekleiv
BACKGROUND: Unrecognized myocardial infarction (MI) is a frequent condition with unknown underlying reason. We hypothesized the lack of recognition of MI is related to pathophysiology, specifically differences in underlying small and large vessel disease. METHODS: 6128 participants were examined with retinal photography, ultrasound of the carotid artery and a 12‑lead electrocardiography (ECG). Small vessel disease was defined as narrower retinal arterioles and/or wider retinal venules measured on retinal photographs...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29303699/implication-of-osteoprotegerin-and-sclerostin-in-axial-spondyloarthritis-cardiovascular-disease-study-of-163-spanish-patients
#16
Fernanda Genre, Javier Rueda-Gotor, Sara Remuzgo-Martínez, Alfonso Corrales, Begoña Ubilla, Verónica Mijares, Carlos Fernández-Díaz, Virginia Portilla, Ricardo Blanco, José Luis Hernández, Javier Llorca, Raquel López-Mejías, Miguel Angel González-Gay
OBJECTIVES: Due to the high incidence of cardiovascular disease in axial spondyloarthritis (axSpA), the search of potential biomarkers that may help to identify patients with high cardiovascular risk is of main importance. Therefore, in this study we assessed the implication of osteoprotegerin (OPG) and sclerostin (SCL), two biomarkers associated with cardiovascular disease and bone metabolism, in the clinical spectrum and atherosclerotic disease of patients with axSpA. METHODS: OPG and SCL serum levels were determined in 163 axSpA Spanish patients (119 ankylosing spondylitis and 44 non-radiographic axSpA) and 63 healthy controls by enzyme-linked immunosorbent assay...
December 15, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29300768/carotid-ultrasound-is-useful-for-the-cardiovascular-risk-stratification-in-patients-with-hidradenitis-suppurativa
#17
Marcos A González-López, Marina Lacalle, Cristina Mata, María López-Escobar, Alfonso Corrales, Raquel López-Mejías, Javier Rueda, M Carmen González-Vela, Miguel A González-Gay, Ricardo Blanco, José L Hernández
INTRODUCTION: Hidradenitis suppurativa (HS) is a chronic inflammatory cutaneous disease which has been associated with an increased risk of adverse cardiovascular (CV) outcomes. Adequate stratification of the CV risk is an issue of major importance in patients with HS. To analyze the usefulness of carotid ultrasound (US) assessment for the CV disease risk stratification compared with a traditional score, the Framingham risk score (FRS), in a series of patients with HS. METHODS: Cross-sectional study of 60 patients with HS without history of CV events, diabetes mellitus or chronic kidney disease...
2018: PloS One
https://www.readbyqxmd.com/read/29284725/carotid-intima-media-thickness-is-associated-with-white-matter-hyperintensities-the-northern-manhattan-study
#18
David Della-Morte, Chuanhui Dong, Matthew S Markert, Mitchell S V Elkind, Ralph L Sacco, Clinton B Wright, Tatjana Rundek
BACKGROUND AND PURPOSE: Brain white matter hyperintensities (WMH) have been associated with increased risk of stroke, cognitive decline, and dementia. WMH can be a manifestation of small vessel disease, although the total microvascular contribution to multifactorial WMH pathophysiology remains unknown. We hypothesized a possible relationship between carotid intima-media thickness (cIMT), an ultrasound imaging marker of subclinical vascular disease, and brain WMH in a multiethnic, elderly stroke-free community-based cohort...
December 28, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29284557/inter-scan-reproducibility-of-carotid-plaque-volume-measurements-by-3-d-ultrasound
#19
Benjamin V Sandholt, Antoine Collet-Billon, Robert Entrekin, Henrik H Sillesen
We tested a novel 3-D matrix transducer with respect to inter-scan reproducibility of carotid maximum plaque thickness (MPT) and volume measurements. To improve reproducibility while focusing on the largest plaque/most diseased part of the carotid artery, we introduced a new partial plaque volume (PPV) measure centered on MPT. Total plaque volume (TPV), PPV from a 10-mm segment and MPT were measured using dedicated semi-automated software on 38 plaques from 26 patients. Inter-scan reproducibility was assessed using the t-test, Bland-Altman plots and Pearson's correlation coefficient...
December 25, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29276562/multiple-strokes-associated-with-elongation-of-the-hyoid-bone
#20
Cameron Ludt, Michelle Leppert, Asher Jones, John Song, David Kuwayama, Daniel M Pastula, Sharon Poisson
Hyoid bone elongation is an uncommon cause of stroke. Here, we report a case of hyoid bone elongation causing localized trauma to the internal carotid artery, resulting in multiple strokes. A 32-year-old woman presented with unilateral weakness and history of a recent stroke. Imaging revealed the greater horn of the hyoid bone extending between the external and internal carotid with associated thrombus at the carotid bifurcation and acute stroke. Carotid ultrasound demonstrated movement of the hyoid bone in and out of the space between the external carotid artery and internal carotid artery with neck rotation...
January 2018: Neurohospitalist
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