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Vascular doppler

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https://www.readbyqxmd.com/read/28087176/carotid-plaque-detection-improves-the-predictive-value-of-cha2ds2-vasc-score-in-patients-with-non-valvular-atrial-fibrillation-the-arapacis-study
#1
Stefania Basili, Lorenzo Loffredo, Daniele Pastori, Marco Proietti, Alessio Farcomeni, Anna Rita Vestri, Pasquale Pignatelli, Giovanni Davì, William R Hiatt, Gregory Y H Lip, Gino R Corazza, Francesco Perticone, Francesco Violi
BACKGROUND AND AIMS: Vascular disease (VD), as assessed by history of myocardial infarction or peripheral artery disease or aortic plaque, increases stroke risk in atrial fibrillation (AF), and is a component of risk assessment using the CHA2DS2-VASc score. We investigated if systemic atherosclerosis as detected by ultrasound carotid plaque (CP) could improve the predictive value of the CHA2DS2-VASc score. METHODS: We analysed data from the ARAPACIS study, an observational study including 2027 Italian patients with non-valvular AF, in whom CP was detected using Doppler Ultrasonography...
January 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28078914/appropriate-patient-selection-for-carotid-revascularization-procedures-is-urgently-needed
#2
Kosmas I Paraskevas, Frank J Veith, Dimitri P Mikhailidis, Christos D Liapis
The identification/selection of appropriate patient subgroups with asymptomatic carotid artery stenosis and the performance of prophylactic carotid endarterectomy (CEA)/carotid artery stenting (CAS) exclusively on these asymptomatic patient subgroups is currently one of the "hottest" topics in vascular surgery. It is now clear that offering CEA/CAS to asymptomatic carotid patients based only on the degree of carotid stenosis is unjustified and scientifically flawed. On the other hand, offering only best medical therapy to every asymptomatic patient, irrespective of certain high-risk criteria (such as the detection of microemboli by transcranial Doppler, intraplaque hemorrhage, silent embolic infarcts on brain computed tomography/magnetic resonance imaging, elevated biomarkers, family history), is equally wrong...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28076877/ultrasound-imaging-for-ovarian-and-deep-infiltrating-endometriosis
#3
Caterina Exacoustos, Errico Zupi, Emilio Piccione
The main challenges of imaging for endometriosis are the detection of nonovarian disease and the evaluation of the extension of the disease into pelvic structures. Transvaginal ultrasonography (TVS) has been proposed as the first-line imaging technique because it allows extensive exploration of the pelvis. The "typical" endometrioma is a unilocular cyst with homogeneous low-level echogenicity (ground glass echogenicity) of the cyst fluid. The use of color Doppler helps avoid classifying malignancies as endometriomas, defining the presence of vascular flow in papillations...
January 11, 2017: Seminars in Reproductive Medicine
https://www.readbyqxmd.com/read/28074808/demonstration-of-blood-flow-by-color-doppler-in-the-femoral-artery-distal-to-arterial-cannula-during-peripheral-venoarterial-extracorporeal-membrane-oxygenation
#4
K G Suresh Rao, T Muralikrishna, K R Balakrishnan
In spite of distal perfusion of the limb using a cannula, the limb can have ischemic events if there is an undetected kink or clot anywhere in the line or thrombus in the artery. There are several ways to monitor and assess the limb ischemia. Monitoring for clinical signs of limb ischemia like temperature change and pallor is reliable and mandatory. We report a method where we used color Doppler to document the blood flow. Curvilinear vascular probe of an echo machine is used to identify the flow in the distal femoral artery of the lower limb...
January 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28073202/pseudoaneurysm-with-arteriovenous-fistula-of-the-prostate-after-pelvic-trauma-ultrasound-imaging
#5
Andrea B Galosi, Camilla Capretti, Luca Leone, Marco Tiroli, Daniele Cantoro, Massimo Polito
Pseudoaneurysm (PA) associated with an arteriovenous fistula (AVF) of the internal pudendal artery branches are very uncommon. We report a case of post-traumatic PA with AVF connected to Santorini plexus. Diagnosis was made with trans-rectal ultrasound (TRUS) after recurrent hematuria. TRUS reported a 1.7 × 1.4 × 1.5 cm anechoic area, on anterior prostate apex close to Santorini plexus. The use of color Doppler in this area revealed high flow velocity that was indicative for AVF. The feeding artery was a distal branch of the left pudenda artery...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28072930/left-ventricular-outflow-tract-obstruction-be-prepared
#6
J S Evans, S J Huang, A S McLean, M Nalos
The current trend to treat hypotension in critically ill patients is to place a greater emphasis on inotropic support and less on fluid resuscitation in order to limit the potential harm from fluid overload. This combination may trigger left ventricular outflow tract obstruction (LVOTO) in susceptible patients. Although LVOTO is classically described in patients with hypertrophic cardiomyopathy it has been reported in other conditions including septic shock, apical ballooning syndrome, myocardial infarction, respiratory failure, and post valvular surgery...
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28068824/three-dimensional-power-doppler-ultrasound-in-the-early-assessment-of-response-to-concurrent-chemo-radiotherapy-for-advanced-cervical-cancer
#7
Yan Xu, Lijing Zhu, Tong Ru, Huanhuan Wang, Jian He, Zhengyang Zhou, Xiaofeng Yang
Background Three-dimensional power Doppler ultrasound (3D-PDU) imaging has been widely applied to the differentiation of benign and malignant cervical lesions; however, its potential value for predicting response to chemo-radiotherapy has not been fully explored. Purpose To investigate the feasibility of 3D-PDU imaging in predicting treatment response in patients receiving concurrent chemo-radiotherapy (CCRT) for advanced cervical cancer. Material and Methods Fifty-two patients with advanced cervical cancer who received CCRT underwent 3D-PDU examinations at four timepoints: pre-therapy (baseline), 1 week and 2 weeks during, as well as immediately post CCRT...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28063264/preimplantation-3d-ultrasound-current-uses-and-challenges
#8
Sushila Arya, Sanja Kupesic Plavsic
The preimplantation ultrasound (US) refers to targeted imaging of the uterus and adnexa prior to assisted reproductive techniques (ART) to optimize the infertility treatment outcomes. After a thorough evidence based literature review, we propose the use of transvaginal three-dimensional (3D) US during the early follicular phase. A systematic approach for 3D US examination consists of a detailed examination of the uterine shape, size and contour, evaluation of the endometrial thickness, volume, pattern and vascularity, and assessment of the junctional zone regularity, echogenicity and thickness...
January 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28058962/short-term-effect-of-ultrasound-guided-low-molecular-weight-hyaluronic-acid-injection-on-clinical-outcomes-and-imaging-changes-in-patients-with-rheumatoid-arthritis-of-the-ankle-and-foot-joints-a-randomized-controlled-pilot-trial
#9
Chien-Chih Wang, Si-Huei Lee, Hsiao-Yi Lin, Fu-Wei Liu, Hong-Jen Chiou, Rai-Chi Chan, Chen-Liang Chou
To determine whether hyaluronic acid (HA) injection into rheumatoid arthritis ankles and feet can achieve improvement in foot function and reduce synovial hyper-vascularization. Forty-four patients with RA having unilateral or bilateral painful ankle and foot involvement (N = 75) were studied. All the patients were randomized to receive HA (N = 40) or lidocaine (LI) (N = 35) injection at 2-week intervals; Clinical assessments were performed using a visual analog scale (VAS) and foot function index (FFItotal) including subscales of pain (FFIpain) before injection at baseline, 4 weeks (first evaluation) and 12 weeks (secondary evaluation)...
January 6, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28057868/glucocorticoid-receptor-alters-isovolumetric-contraction-and-restrains-cardiac-fibrosis
#10
Rachel Richardson, Emma Batchen, Adrian Thomson, Rowan Darroch, Xinlu Pan, Eva Rog-Zielinska, Wiktoria Wyrzykowska, Kathleen Scullion, Emad A S Al-Dujaili, Mary Diaz, Carmel Moran, Chris J Kenyon, Gillian A Gray, Karen Chapman
Corticosteroids directly affect the heart and vasculature and are implicated in the pathogenesis of heart failure. Attention has focussed upon the role of the mineralocorticoid receptor (MR) in mediating pro-fibrotic and other adverse effects of corticosteroids upon the heart. In contrast, the role of the glucocorticoid receptor (GR) in the heart and vasculature is less well understood. We addressed this in mice with cardiomyocyte and vascular smooth muscle deletion of GR (SMGRKO mice). Survival of SMGRKO mice to weaning was reduced compared with littermate controls...
January 5, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28057820/blood-flow-regulation-and-oxygen-uptake-during-high-intensity-forearm-exercise
#11
Stian Kwak Nyberg, Ole Kristian Berg, Jan Helgerud, Eivind Wang
The vascular strain is very high during heavy handgrip exercise, but the intensity and kinetics to reach peak blood flow, and peak oxygen uptake, are uncertain. We included 9 young (25±2yr) healthy males to evaluate blood flow and oxygen uptake responses during continuous dynamic handgrip exercise with increasing intensity. Blood flow was measured using Doppler-ultrasound and venous blood was drawn from a deep forearm vein to determine arteriovenous oxygen difference (a-vO2diff) during 6-minutes bouts of 60, 80 and 100% of maximal work rate (WRmax), respectively...
January 5, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28054194/ultrasound-based-scores-as-predictors-for-nodular-hyperplasia-in-patients-with-secondary-hyperparathyroidism-a-prospective-validation-study
#12
Jill Gwiasda, Alexander Kaltenborn, Jörg A Müller, Michaela Serttas, Georg W F Scheumann, Harald Schrem, Mark D Jäger
PURPOSE: Former studies evaluated echostructural and vascular patterns in ultrasound of the parathyroid gland to identify nodular hyperplasia in patients with secondary hyperparathyroidism due to chronic kidney disease. This prospective study aims to externally validate suggested ultrasound classifications. METHODS: Parathyroid glands of 27 patients with secondary hyperparathyroidism undergoing parathyroidectomy were prospectively analyzed. Ultrasound including Doppler imaging was performed 1 day prior to surgery...
January 4, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28050545/intraosseous-anomalous-drainage-a-rare-case-of-pretibial-varicose-vein
#13
Frederico Barra de Moraes, Carolina Parreira Ribeiro Camelo, Marcelo Luiz Brandão, Pedro Ivo Fávaro, Tercília Almeida Barbosa, Raul Carlos Barbosa
Valve failure with reflux and post-thrombotic syndrome are the factors most commonly correlated with varicose disease. Other rare etiologies can be put forward when these two main causes are ruled out. We report a case in which a young man presented chronic pain in the left tibia, varicose veins in the lower limbs and frequent occurrences of erysipelas. During investigation of the etiology of the varicose veins, radiographs and magnetic resonance imaging of the left leg were requested. These showed images suggestive of an osteolytic lesion in the tibia, but led us to the diagnosis of an intraosseous vein with anomalous drainage...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28050448/accuracy-of-pelvic-mass-score-in-pre-operative-determination-of-malignancy-in-adnexal-masses
#14
Lakshmi Mohan, Arun Rao, Sonali Ullal, Gowtham Krishna
INTRODUCTION: Suspicious adnexal masses are common clinical problems in gynaecological practice. A reliable diagnostic tool for the early detection of the ovarian malignancy is essential. AIM: To validate a new scoring system -Pelvic Mass Score (PMS) in predicting the nature of the adnexal mass pre-operatively. MATERIALS AND METHODS: A prospective observational study was carried out in 100 consenting women with an undiagnosed adnexal mass requiring operative intervention...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28043350/evaluation-of-changes-in-doppler-ultrasonography-indices-and-levels-of-maternal-serum-angiogenic-factors-throughout-pregnancy-in-ewes
#15
Özge Turna Yilmaz, Mehmet Can Gündüz, Gamze Evkuran Dal, Melih Uçmak, Zeynep Günay Uçmak, Esra Karaçam, Güven Kaşikçi, Mehmet Ragip Kiliçarslan
We evaluated the changes in the pulsatility index (PI) and resistance index (RI) of fetal and maternal vessels and maternal serum angiogenic factors throughout pregnancy in 20 Kivircik ewes. They were examined for pregnancy detection on Day 30 after mating. The PI and RI during the pregnancies were followed using Doppler ultrasonography (USG) of the uterine artery, umbilical artery, fetal aorta, and fetal vena cava. Doppler USG was performed every 15 days beginning from the 40th day after mating. Blood samples were collected every 15 days starting from the day of mating...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28041815/non-invasive-lower-limb-small-arterial-measures-co-segregate-strongly-with-foot-complications-in-people-with-diabetes
#16
Sean Michael Lanting, Stephen M Twigg, Nathan Anthony Johnson, Michael Kevin Baker, Ian Douglas Caterson, Vivienne Helaine Chuter
AIMS: It is unclear how well non-invasive lower-limb vascular assessments can identify those at risk of foot complications in people with diabetes. We aimed to investigate the relationship between a history of foot complication (ulceration or amputation) and non-invasive vascular assessments in people with diabetes. METHODS: Bilateral ankle-brachial index (ABI), toe brachial index (TBI) and continuous wave Doppler (CWD) were performed in 127 adults with diabetes (97% type 2; age 66...
November 15, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28040189/usefulness-of-echocardiography-doppler-to-reliably-predict-elevated-left-ventricular-end-diastolic-pressure-in-patients-with-pulmonary-hypertension
#17
David M Cameron, Vallerie V McLaughlin, Melvyn Rubenfire, Scott Visovatti, David S Bach
The ability of echocardiography (echo)/Doppler to predict elevated left ventricular (LV) end-diastolic pressure (EDP) specifically among patients with pulmonary hypertension is not well defined. This was a retrospective analysis of 161 patients referred to a specialized pulmonary hypertension clinic. A model based on an American Society of Echocardiography (ASE)/European Association of Echocardiography (EAE) joint statement was evaluated, and a new model was developed using univariate linear regression and multivariable logistic regression for potentially better prediction of elevated LVEDP...
December 2, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28034564/acute-black-tea-consumption-improves-cutaneous-vascular-function-in-healthy-middle-aged-humans
#18
Kirsty A Woodward, Nicola D Hopkins, Richard Draijer, Young de Graaf, David A Low, Dick H J Thijssen
BACKGROUND & AIMS: Dietary flavonoids, such as those present in black tea, are associated with reduced risk of cardiovascular disease (CVD), possibly through improving nitric oxide (NO) mediated vascular function. The aim of this study was to examine the effect of acute black tea ingestion on cutaneous microvascular function. METHODS: Twenty healthy participants (58 ± 5 y, 9 men) attended two experimental trials (tea, placebo), 7-days apart in a randomised, controlled, double-blind, cross-over design...
December 22, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28032907/multiparametric-sonography-of-hematologic-malignancies-of-the-testis-grayscale-color-doppler-and-contrast-enhanced-ultrasound-and-strain-elastographic-appearances-with-histologic-correlation
#19
Carolina Kachramanoglou, Vasileios Rafailidis, Marianna Philippidou, Michele Bertolotto, Dean Y Huang, Annamaria Deganello, Maria E Sellars, Paul S Sidhu
Primary testicular lymphoma is rare and appears with nonspecific findings on grayscale and color Doppler sonography. We present 8 patients further examined with contrast-enhanced sonography, strain elastography, and histologic analysis after orchiectomy. Seven of 8 patients had a diagnosis of large B-cell lymphoma, and 1 of 8 had a diagnosis of granulocytic sarcoma, with solitary lesions (2 of 8), multiple lesions (3 of 8), or entire testicular involvement (3 of 8). Lesions appeared hypoechoic (7 of 8) or isoechoic (1 of 8), all with increased vascularity on color Doppler sonography and a nonbranching linear pattern of intratumoral vessels (7 of 8)...
December 29, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28030932/usage-of-perioperative-anxiety-neuromarker-for-improving-the-quality-of-life-of-a-patient-operated-on-for-critical-stenosis-of-the-internal-carotid-artery
#20
Mariusz Trystuła, Paweł Półrola, Juri Kropotov
OBJECTIVE: The aim of the study was to find a neuromarker of perioperative anxiety in a patient with critical carotid stenosis through the use of neuromarkers in Quantitative EEG (QEEG) and Event Related Potentials (ERPs). The indirect purpose of the research was evaluation of improvement in the patient's quality of life. CASE STUDY: A 45-year-old woman was admitted to the Department of Vascular Surgery and Endovascular Interventions at the John Paul II Hospital in Krakow, with the diagnosis of critical internal carotid stenosis (over 80%), confirmed by Doppler Ultrasound and Angio-CT examinations...
23, 2016: Annals of Agricultural and Environmental Medicine: AAEM
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