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Carotid doppler

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https://www.readbyqxmd.com/read/29351134/carotid-doppler-sonography-additional-tool-to-assess-hemodynamic-improvement-after-transcatheter-aortic-valve-implantation
#1
Valeria Cammalleri, Francesco Romeo, Massimo Marchei, Andrea Anceschi, Gianluca Massaro, Saverio Muscoli, Francesca De Persis, Massimiliano Macrini, Gian P Ussia
PURPOSE: The aim of our study was to assess the arterial cerebral blood flow variations in patients with aortic valve stenosis, immediately after the transcatheter aortic valve implantation (TAVI). METHODS: The study population includes 62 consecutive patients who underwent TAVI for aortic valve stenosis (95%) and sugical bioprosthesis degeneration (5%). Carotid Doppler examination was performed recording blood flow, systolic peak velocity, time average mean velocity and mean acceleration time at baseline, after balloon aortic valvuloplasty, and within 10 min after the device release...
January 17, 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29350100/transorbital-doppler-with-carotid-siphon-monitoring-detects-right-to-left-shunt-effectively
#2
Zhihui Duan, Zhiyuan Yang, Binbin Song, Congmin Ma, Yan Li, Yanjiao Du, Dandan Shang, Shao Li, Jiyu Lou
Background Transtemporal Doppler (TTD) with middle cerebral artery (MCA) is widely used for right-to-left shunt (RLS) detection. However, an alternative method for patients without suitable temporal bone windows should be established. The present study prospectively evaluated the effectiveness of transorbital Doppler (TOD) with carotid siphon (CS) monitoring in detecting RLS. Methods A total of 357 subjects with sufficient temporal bone windows underwent simultaneous TTD with MCA and TOD with CS. After injection of microbubbles, the numbers of artificial high-intensity signals were recorded at rest and after Valsalva maneuver...
January 19, 2018: Neurological Research
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
#3
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/29336392/transesophageal-echocardiography-evaluation-of-the-aortic-arch-branches
#4
REVIEW
Thimmangouda A Patil, Santosh Kumar Ambli
Visualization of aortic arch branches by transesophageal echocardiography has been technically challenging. Visualizing these vessels helps in identifying the extent of dissection of the aorta, assessing the severity of carotid artery stenosis, presence of atheromatous plaques, patency of the left internal mammary artery graft, confirmation of subclavian artery cannulation, confirming holodiastolic flow reversal in the left subclavian artery by spectral Doppler imaging in case of severe aortic regurgitation, and confirming the optimal position of the intraaortic balloon perioperatively...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29334161/the-role-of-neurosonology-in-the-diagnosis-and-management-of-patients-with-carotid-artery-disease-a-review
#5
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/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/29321118/a-comparison-of-carotid-doppler-ultrasonography-and-capnography-in-evaluating-the-efficacy-of-cardiopulmonary-resuscitation-the-first-study
#7
Gökhan Yilmaz, Mustafa Silcan, Süha Serin, Bahadır Caglar, Özkan Erarslan, İsmet Parlak
INTRODUCTION AND PURPOSE: The end-tidal carbon dioxide (ETCO2) measurement is accepted as the gold standard method for assessing cardiopulmonary resuscitation (CPR) efficacy. In recent studies, the use of Carotid Doppler Ultrasonography has become widespread in showing CPR efficacy. In the present study, the carotid blood flow measurement was compared with ETCO2 measurement and an evaluation was made of whether this method could be used as an alternative method to capnography in the assessment of CPR efficacy...
January 6, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29320957/cardiovascular-and-metabolic-health-of-74-children-from-women-previously-diagnosed-with-polycystic-ovary-syndrome-in-comparison-with-a-population-based-reference-cohort
#8
Marlieke A de Wilde, Jacobien B Eising, Marlise N Gunning, Maria P H Koster, Annemieke M V Evelein, Geertje W Dalmeijer, Cuno S P M Uiterwaal, Marinus J C Eijkemans, Cornelis K van der Ent, Folkert J Meijboom, Bart C J M Fauser
Women with polycystic ovary syndrome (PCOS) have compromised cardiovascular health profiles and an increased risk of pregnancy complications. In order to evaluate potential consequences, we aim to compare the cardiovascular and metabolic health of the children from women with PCOS with a population-based reference cohort. We included children from women with PCOS between the age of 2.5 to 4 years (n = 42) and 6 to 8 years (n = 32). The reference groups consisted of 168 (3-4 years old) and 130 children (7-8 years old)...
January 1, 2018: Reproductive Sciences
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/29305914/the-comparison-of-monitoring-of-cerebral-blood-flow-by-c-flow-and-transcranial-doppler-in-carotid-endarterectomy
#10
Xu Wang, Bin Yang, Yan Ma, Peng Gao, Yabing Wang, Yanfei Chen, Liqun Jiao, Feng Ling, Guoguang Zhao
OBJECTIVE: To prospectively compare the use of the c-FLOW (cerebral blood flow monitor) and transcranial Doppler (TCD) as two techniques for assessing brain perfusion during carotid endarterectomy (CEA). METHODS: This was a prospective, single center, observational study. All patients were monitored using c-FLOW and TCD during the operation. Changes from baseline values of cerebral blood flow index (CFI) and blood flow velocity of middle cerebral artery (V-MCA) were recorded following carotid artery clamping and unclamping...
January 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29288968/value-of-external-carotid-artery-resistive-index-for-diagnosis-of-cavernous-sinus-dural-arteriovenous-fistula-and-determination-of-malignant-type
#11
Chai Kobkitsuksakul, Wasawat Soratcha, Ekachat Chanthanaphak
PURPOSE: Cavernous sinus dural arteriovenous fistula (CSDAVF) causes hemodynamic disturbance in the arteries, which is detected by carotid Doppler sonography (CDS). The objective of the study was designed for validation of CDS in the diagnosis of CSDAVF. MATERIAL AND METHODS: 42 CSDAVF patients confirmed by angiography were enrolled. All patients were performed CDS before angiography. Evaluations of CDS parameters were compared with control subjects. RESULTS: The ECA resistive index (RI) shows the best performance...
November 16, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/29282326/neurocognitive-functioning-and-cerebrovascular-reactivity-after-carotid-endarterectomy
#12
Simona Lattanzi, Luciano Carbonari, Gabriele Pagliariccio, Marco Bartolini, Claudia Cagnetti, Giovanna Viticchi, Laura Buratti, Leandro Provinciali, Mauro Silvestrini
OBJECTIVE: To evaluate in patients with TIA and ipsilateral high-grade internal carotid artery (ICA) stenosis whether changes in cognitive performance and cerebral hemodynamics occurred after carotid endarterectomy (CEA) and to explore their relationship. METHODS: Participants were patients who underwent CEA, had TIA within the last 6 months, and had an ipsilateral severe ICA stenosis. Coloured Progressive Matrices (CPM) plus Complex Figure Copy Test (CFCT) and phonemic (ph) plus categorical (ca) Verbal Fluency (VF) tests were performed to assess right and left hemisphere cognitive functions, respectively...
December 27, 2017: Neurology
https://www.readbyqxmd.com/read/29279888/prevalence-of-systemic-atherosclerosis-burdens-and-overlapping-stroke-etiologies-and-their-associations-with-long-term-vascular-prognosis-in-stroke-with-intracranial-atherosclerotic-disease
#13
Takao Hoshino, Leila Sissani, Julien Labreuche, Gregory Ducrocq, Philippa C Lavallée, Elena Meseguer, Céline Guidoux, Lucie Cabrejo, Cristina Hobeanu, Fernando Gongora-Rivera, Pierre-Jean Touboul, Philippe Gabriel Steg, Pierre Amarenco
Importance: Patients who have experienced stroke with intracranial atherosclerotic disease (ICAD) may also have concomitant atherosclerosis in different arterial beds and other possible causes for ischemic stroke. However, little is known about the frequency and prognostic effect of such overlapping diseases. Objectives: To describe the prevalence of systemic atherosclerotic burdens and overlapping stroke etiologies and their contributions to long-term prognoses among patients who have experienced stroke with ICAD...
December 26, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29274074/evaluation-of-subclinical-atherosclerosis-by-ultrasound-radiofrequency-data-technology-in-patients-with-familial-mediterranean-fever
#14
Hatice Kaplanoglu, Cem Özisler
OBJECTIVES: The aim of this study was to noninvasively demonstrate the presence of early risk associated with subclinical inflammatory activity in patients with familial Mediterranean fever (FMF) who had stable disease, using ultrasound (US) radiofrequency data technology. METHODS: A total of 110 participants, including 55 patients with FMF and 55 healthy control participants, were evaluated with Doppler US. The intima-media thickness and arterial stiffness were measured from bilateral common carotid arteries (CCAs) by the radiofrequency method...
December 23, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29234612/near-infrared-spectroscopy-versus-transcranial-doppler-based-monitoring-in-carotid-endarterectomy
#15
Jun Woo Cho, Jae Seok Jang
Background: Proper monitoring of cerebral perfusion during carotid artery surgery is crucial for determining if a shunt is needed. We compared the safety and reliability of near-infrared spectroscopy (NIRS) with transcranial Doppler (TCD) for cerebral monitoring. Methods: This single-center, retrospective review was conducted on patients who underwent carotid endarterectomy (CEA) using selective shunt-based TCD or NIRS at Daegu Catholic University Medical Center from November 2009 to June 2016...
December 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29229867/intracranial-pulsatility-in-patients-with-cerebral-small-vessel-disease-a-systematic-review
#16
Yulu Shi, Michael J Thrippleton, Ian Marshall, Joanna M Wardlaw
Growing evidence suggests that increased intracranial pulsatility is associated with cerebral small vessel disease (SVD). We systematically reviewed papers that assessed intracranial pulsatility in subjects with SVD. We included 27 cross-sectional studies (n=3356): 20 used Doppler ultrasound and 7 used phase-contrast MRI. Most studies measured pulsatility in the internal carotid or middle cerebral arteries (ICA, MCA), whereas few assessed veins or cerebrospinal fluid (CSF). Methods to reduce bias and risk factor adjustment were poorly reported...
January 16, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29220356/color-doppler-ultrasonography-as-an-alternative-tool-for-postoperative-evaluation-of-collaterals-after-indirect-revascularization-surgery-in-moyamoya-disease
#17
Shin-Joe Yeh, Sung-Chun Tang, Li-Kai Tsai, Chung-Wei Lee, Ya-Fang Chen, Hon-Man Liu, Shih-Hung Yang, Meng-Fai Kuo, Jiann-Shing Jeng
The cerebral hypoperfusion caused by chronic progressive stenosis or occlusion of intracranial arteries in moyamoya disease can be treated by direct bypass or indirect revascularization procedures. The extent of collaterals from the external carotid artery (ECA) after indirect revascularization surgery is the key point of angiographic follow-up, and the invasiveness of angiography impelled us to investigate the role of ultrasonography in the evaluation of collaterals. We hypothesized that the collaterals shown on angiography might produce corresponding hemodynamic changes in color Doppler ultrasonography...
2017: PloS One
https://www.readbyqxmd.com/read/29207795/association-between-vascular-endothelial-markers-and-carotid-intima-media-thickness-in-children-and-adolescents-with-type-1-diabetes-mellitus
#18
Noushin Rostampour, Kiavash Fekri, Elham Hashemi-Dehkordi, Mahdieh Obodiat
Introduction: Type 1 Diabetes Mellitus (T1DM) is one of the important risk factor for cardiovascular disease. Endothelial dysfunction and increased Carotid Intima-Media Thickness (CIMT) result in cardiovascular complications. Vascular Cell Adhesion Molecule-1 (VCAM-1) and Intercellular Adhesion Molecule-1 (ICAM-1) are two adhesion molecules that are markers of early atherosclerosis and play a significant role in developing atherosclerosis. Aim: To evaluate CIMT and its association with the levels of ICAM-1 and VCAM-1 in children and adolescents with T1DM...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29204234/carotid-doppler-ultrasonography-as-a-screening-tool-of-early-atherosclerotic-changes-in-children-and-young-adults-with-%C3%AE-thalassemia-major
#19
Seif El-Din Abaza, Amina Abdel-Salam, Ahmed A Baz, Amira A Mohamed
Purpose: β-thalassemia major (β-TM) patients had an increased incidence of cardiovascular complications secondary to iron overload. They showed early carotid atherosclerosis as showed by increased carotid intima media thickness (CIMT) that may occur early even when significant iron overload is absent. We aimed to test the diagnostic performance of CIMT measurement by Doppler ultrasonography as a structural indicator for premature atherosclerosis in β-TM patients. Methods: Case-control study included 42 β-TM patients (24 males and 18 females) aged from 3 to 30 years and 36 age- and sex-matched healthy controls...
December 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/29203040/-management-of-traumatic-and-iatrogenic-arterial-pseudoaneurysms-in-a-tropical-environment
#20
F Raherinantenaina, R A L Rakotorahalahy, M C G Andrianandraina, H N Rakoto Ratsimba, T M A Rajaonanahary
A false aneurysm or pseudoaneurysm (PA) is the formation of a pulsatile and encapsulated hematoma in communication with the lumen of a perforated artery. Its origin is different but most cases are associated with a traumatic event. Currently, the referenced treatment is endovascular surgery but it is not feasible for the majority of vascular surgeons working in a tropical environment. The aim of this study was to describe the diagnostic and therapeutic aspects of arterial PA (APA) encountered in our institution and to evaluate the place of open surgical technique in their management...
December 2017: Journal de Médecine Vasculaire
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