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Results 201 - 250 of 786
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van de Laar Roel J - - 2013
To investigate whether time spent watching television (a marker of sedentary behaviour) is associated with arterial stiffness, a major determinant of cardiovascular disease, and whether any such association could be explained by related deleterious levels of habitual physical activity (HPA) and/or other lifestyle and biological risk factors. Prospective measures (ages ...
Zhao Fu-Hai - - 2013
To examine the effect of the zedoary essential component-eluting stent (ZES) on a porcine coronary neointimal formation. ZES, sirolimus-eluting stents (SES), and bare metal stents (BMS) were randomly implanted in three different major epicardial vessels in 36 balloon-injured pigs. Coronary angiography, optical coherence tomography, and histomorphological analysis were used to ...
Makhlouf F - - 2013
Traumatic internal carotid artery dissection may result from a direct blow to anterolateral aspect of the neck, or an extreme extension and rotation of the neck. Traumas involved are variable ranging from high speed motor vehicle accident to trivial traumas. The most frequent presentations of carotid artery dissection are stroke, ...
Feng Lei - - 2013
This study aimed to establish a minimally invasive and easily controllable focal cerebral ischemia model in rabbits using interventional techniques for use in the study of thrombolytic treatment, and to evaluate the feasibility and reproducibility of the technique. Under the guidance of digital subtraction angiography (DSA), focal cerebral infarction was ...
Zhang Chenyun - - 2013
The aim of this study was to investigate the safety and effectiveness of a novel method for the selective transcoronary closure of small coronary arteries by the intraluminal application of radiofrequency (RF) energy. Twenty-six small (diameter of 1-2 mm) coronary artery branches were selected in 13 dogs. An RF electrode ...
Sayed Ahmed - - 2013
We report a 70-year-old female who complained of shortness of breath and a pulsating suprasternal lump. CT scan showed innominate artery dilatation. In addition, operative exposure showed tortuous arteries and a common origin of the left common carotid and innominate arteries. Surgical correction by innominate artery division and reimplantation at ...
Tanasan Asadolah A Department of Pediatric, Hamedan University of Medical Sciences, Hamedan, - - 2013
Despite progresses in surgical correction of Tetralogy of Fallot, pulmonary insufficiency and progressive dysfunction of the right ventricle impress its long-term prognosis. In this study we examined the correlations between QRS duration, pulmonary insufficiency and right ventricular performance index. We enrolled 57 repaired Tetralogy of Fallot patients. QRS duration on ...
Bortone Alessandro Santo - - 2013
The stent graft is a noncompliant system inserted in a semi-compliant structure. This generates a mismatch. The media also shows a composite movement and is oriented 45° resulting in an arterial spiral movement that contributes to maintaining the clockwise orientation of laminar flow with an 80° deflection. Our multilayer stent ...
Boutouyrie Pierre - - 2013
Epidemiological studies have highlighted the role of arterial stiffness as a risk factor for development of cardiovascular (CV) diseases. Moreover, aortic stiffness has been shown to be a significant predictive factor of all-cause and CV mortality in different populations including patients with end-stage renal disease. Pulse-wave velocity (PWV) is the ...
Zarzecka Anna - - 2013
Intracranial aneurysms in children and adolescents are uncommon; they account for 0.5% to 4.6% of the total intracranial aneurysms cases. A 15-year-old boy presented with a 6-month history of occipital headache that worsened over time. A magnetic resonance imaging scan revealed a giant, fusiform aneurysm of the V4 segment of ...
Kim Sae Hoon - - 2013
Heavy backpacks are often used in extreme environments, for example by military during combat, therefore completion of tasks quickly and efficiently is of operational relevance. The purpose of this study was to quantify hemodynamic parameters (brachial artery Doppler and microvascular flow by photoplethysmography; tissue oxygenation by near-infrared spectroscopy; arterial oxygen ...
Siasos Gerasimos - - 2013
Smoking is associated with impaired vascular function. Concord grape juice (CGJ), a rich source of flavonoids, can modify cardiovascular risk factors. Endothelial function and arterial stiffness are surrogate markers of arterial health. We examined the impact of CGJ on arterial wall properties in healthy smokers. We studied the effect of ...
Martin Romain - - 2013
Accurate evaluation of aortic root geometry is necessary in congenital aortic valve lesions in children, to guide surgical or angiographical intervention. To compare aortic annulus diameters measured by two- and three-dimensional transthoracic echocardiography (2D- and 3D-TTE), to determine the feasibility and reproducibility of 3D imaging and assess the dynamic changes ...
Babiker M Haithem - - 2013
Endovascular coiling is the most common treatment for cerebral aneurysms. During the treatment, a sequence of embolic coils with different stiffness, shapes, sizes, and lengths is deployed to fill the aneurysmal sac. Although coil packing density has been clinically correlated with treatment success, many studies have also reported success at ...
Xie Zuo-Ping ZP Department of Diagnostic Ultrasound, Shaoxing Women and Children's Hospital, Shaoxing, Zhejiang, - - 2013
: To establish the reference range of the angle between ascending aorta and main pulmonary artery of fetus in the second and third trimester using spatiotemporal image correlation (STIC), and to investigate the value of this angle in prenatal screening of conotruncal defects (CTDs). Volume images of 311 normal fetuses ...
Quinn Colin - - 2013
A 32-year-old mechanic developed severe left neck pain at work. Two days later, he experienced left arm weakness, particularly shoulder and elbow flexion; after another 2 days, he noted numbness at the left jaw angle. Examination revealed weakness in the C5 myotome, absent biceps reflex, but no facial or jaw ...
Wang Yong - - 2013
Pulmonary arterial hypertension (PAH) is a debilitating condition with progressive remodeling of the pulmonary resistance vessels. PAH is characterized by multifocal, polyclonal lesions inhabited by cells that underwent phenotypic transition, resulting in altered cell proliferation and contractility, ultimately resulting in increased vascular resistance. Diagnosis of PAH is confounded by the ...
Gupta A - - 2013
BACKGROUND AND PURPOSE:Intraplaque hemorrhage in carotid artery atherosclerotic plaque has been shown to be a marker of risk, associated with prior and future ischemic events, and has been associated with regions of intraplaque high-intensity signal on 3D-TOF MRA. We assessed the association of intraplaque high-intensity signal determined on 3D-TOF MRA ...
Denis Daniel J - - 2013
Spondylotic vertebral artery (VA) compression is a rare cause of vertebrobasilar insufficiency and stroke. A 53-year-old man experienced multiple brief vertebrobasilar transient ischemic attacks (TIAs) and strokes, not apparently triggered by neck movements. Brain magnetic resonance imaging (MRI) documented consecutive infarcts, first in the left then right medial posterior inferior ...
Kanenishi K - - 2013
We present a case of intra-amniotic umbilical vein varix with thrombosis using conventional two-dimensional (2D) sonography, power Doppler, three-dimensional (3D) HD-flow, and HDlive at 35 weeks of gestation. 2D sonography showed a large banana-like umbilical cord enlargement (100 × 43.3 × 45.9 mm) including umbilical vein varix (maximum vein diameter = 25.5 mm) with massive thrombosis. Power Doppler ...
Bisaillon Charles-Étienne - - 2013
ABSTRACT. We propose and test various strategies for the creation of artery phantoms mimicking different kinds of diseased arteries when imaged by intravascular optical coherence tomography (IVOCT). We first review the method for making healthy artery phantoms. We then describe the procedure to fabricate diseased artery phantoms with intima thickening, ...
Chen Jie - - 2013
A 75-year-old male presented with an acute left-sided hemiparesis. He was a smoker, without other traditional stroke risk factors. Diffusion-weighted imaging showed ischemic lesions in the right hemisphere (Fig. 1A). Computed tomography angiography and cranial magnetic resonance angiography revealed bilateral internal carotid artery occlusion and bilateral external carotid artery stenosis ...
Yonekawa Yoshihiro - - 2013
Intra-arterial chemotherapy for retinoblastoma is an emerging technique that is being adopted at various centers worldwide. The authors report the first case of an infantile hemangioma that shunted flow during intra-arterial chemotherapy in a 4-month-old girl who presented with macular group C retinoblastoma. Excellent tumor response was noted despite only ...
Kim Eunja - - 2013
Isolated bilateral deafness is a rare but possible symptom of vertebrobasilar ischemia, primarily due to occlusion of the anterior inferior cerebellar arteries or their branch, the internal auditory artery. We reported on uncommon case of sudden bilateral sensorineural hearing loss without typical neurological symptoms resulting from vertebrobasilar ischemia. We performed ...
Cho Kwang-Hee - - 2013
This study aimed to measure the thickness of the epithelium and lamina propria of the palatal mucosa and to elucidate the location of the greater palatine artery to provide the anatomical basis for subepithelial connective tissue grafting. Thirty-two maxillary specimens, taken from the canine distal area to the first molar ...
Wang Lei L 1 Department of Physiology, Capital Medical University, Beijing, People's Republic of - - 2013
Abstract Chronic thromboembolic pulmonary hypertension (CTEPH) is a life-threatening condition characterized by single or recurrent pulmonary thromboemboli, which promote pulmonary vascular remodeling. MicroRNA (miRNA), is a small, noncoding RNA that is involved in multiple cell processes and functions and may participate in the pathogenesis of CTEPH. Our aims were to ...
Chen David D Department of Medical Imaging, Taipei Medical University, Shuang-Ho Hospital; New Taipei City, Taiwan - E-mail: - - 2013
A 59-year-old man who denied a history of trauma presented with left pulsatile tinnitus and left orbital swelling for six months. Digital subtraction angiography showed a left persistent trigeminal artery (PTA) with a trigeminal artery to cavernous sinus (trigeminal-cavernous sinus) fistula and a right PTA. Transarterial detachable coil embolization of ...
Kim Sung Tae - - 2013
We report our experience using Onyx for embolization of dural arteriovenous fistula (DAVF) under dual lumen balloon catheter flow arrest. Transfemoral cerebral angiography revealed a superior sagittal sinus (SSS) DAVF that was supplied via multiple branches of the external carotid arteries, the right anterior cerebral arteries, and the meningeal branches ...
Hollenbeck Ryan D - - 2013
Coronary artery fistulae are rare anomalous connections arising from the coronary circulation. We report a case of anterior wall myocardial ischemia caused by the combination of sequential coronary-to-pulmonary artery fistula and moderate (50-60%) stenosis of the left anterior descending coronary artery. Ischemia was demonstrated by myocardial stress perfusion imaging as ...
Zhang Mi - - 2013
Calcific aortic valve disease is an active process involving a wide range of pathologic changes. Valve interstitial cells are the most prevalent cells in the heart valve and maintain normal valve structure and function. MicroRNAs (miRNAs) are essential posttranscriptional modulators of gene expression, and miRNA-30b is a known repressor of ...
Shidoh Satoka - - 2013
A dural arteriovenous fistula (AVF) is an arteriovenous shunt in the dura and is associated with a risk of intracranial hemorrhage and neurologic deficit. The morbidity of this disease depends on venous hypertension, and the classification of this disease is based on the pattern of venous drainage. The pattern of ...
Kim Tae-Hee - - 2013
We read about the use of Bakri balloon tamponade for postpartum hemorrhage and considered the debate on the efficacy of Bakri balloon tamponade (1,2). We agree that Bakri balloon tamponade is effective for postpartum hemorrhage and would like to discuss an additional balloon tamponade method.In Korea, use of the Bakri ...
Ma Ning - - 2013
Entrapment of a microwire related to intracranial endovascular therapy is an uncommon complication. A 64-year-old man with symptomatic basilar artery stenosis was treated with stenting. A 300 cm Synchro microwire became trapped in the P1 segment of the left posterior cerebral artery during the procedure. The decision was made to ...
Tsao Connie W CW From the Department of Medicine (C.W.T.), Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston; Departments of Neurology (S.S., A.S.B., A.J.W., R.A., J.J.H., P.A.W.), Medicine (N.M.H., J.A.V., D.L., E.J.B., R.S.V.), and Biostatistics (A.S.B., J.J.H., M.G.L.), School of Public Health, School of Medicine and the Department of Mathematics (M.G.L.), Boston University, MA; Department of Neurology (C.D.), Center for Neuroscience and Division of Biostatistics, Department of Public Health Sciences, School of Medicine, University of California, Davis; National Heart Lung and Blood Institute (D.L.), NHLBI's Framingham Heart Study (C.W.T., S.S., A.S.B., R.A., D.L., M.G.L., E.J.B., P.A.W., R.S.V.), Framingham; and Cardiovascular Engineering Inc. (G.F.M.), Norwood, - - 2013
To determine the association of arterial stiffness and pressure pulsatility, which can damage small vessels in the brain, with vascular and Alzheimer-type brain aging. Stroke- and dementia-free Framingham Offspring Study participants (n = 1,587, 61 ± 9 years, 45% male) underwent study of tonometric arterial stiffness and endothelial function (1998-2001) ...
Galvin Ivor F - - 2013
The "too-long," or redundant, circumflex graft is notorious for its tendency to form a kink. The acute angle (the kink) typically occurs over the front of the pulmonary trunk. Described herein are (1) the left appendage flip maneuver, a simple solution to correct graft kink, and (2) analysis and explanation ...
Papp M I - - 2013
In Alzheimer's disease (AD), neurofibrillary degeneration in the hemispheres starts in the limbic and paralimbic regions prior to those in the isocortical ones but factors determining the progression of these changes are unknown. Previous studies have shown that migration of extracellular substances (volume transmission) driven by arterial pulse pressure waves ...
Matsukawa Kanji - - 2013
Our laboratory has recently demonstrated that central command provides selective inhibition of the cardiomotor component of aortic (AOR) baroreflex during exercise, preserving carotid sinus (CS) baroreflex. To further explore the differential effects of central command on the arterial baroreflexes, we surgically separated the AOR and CS baroreflex systems, to identify ...
Shah Lubdha M - - 2013
OBJECTIVE. In the setting of posterior fossa dural venous sinus thrombosis, mastoid findings can potentially be mistaken as the cause rather than a secondary effect. Obstruction of the mastoid venous drainage can lead to transudation of fluid into the mastoid air cells. We hypothesize that a continuum of the mastoid ...
Jang Hyun-Jung - - 2013
OBJECTIVE. The purpose of this study was to identify the essential number of phases from multiphasic CT for 1- to 2-cm hepatocellular carcinoma (HCC) on surveillance ultrasound and to compare the results with the American Association for the Study of Liver Disease (AASLD) standard (arterial phase hypervascularity and portal venous ...
Nakagawa Hideki - - 2013
Dysphagia and hoarseness caused by laryngopharyngeal paralysis associated with internal carotid artery (ICA) dissection is rare. We reported a case which recovered spontaneously. A 57-year old man visited our hospital complaining of dysphagia and hoarseness lasting for two weeks. Paralysis of right vocal fold and rotational movement of the posterior ...
Ferguson T Bruce TB - - 2013
Fractional flow reserve-guided coronary artery bypass grafting is emerging in cardiac surgery, in which the nature (anatomic and functional characteristics) of the target vessel epicardial coronary artery stenosis is important in graft site selection. The nature of the stenosis might determine a different physiologic response to bypass grafting. We report ...
Hong Haifa - - 2013
Appropriate choice of Fontan pathway requires keen preoperative examination of angiographic anatomy. We hypothesize that surgical choices may be better informed by lessons learned from postoperative hemodynamic evaluation in different Fontan connection strategies. High-performance computational fluid dynamics is employed to evaluate hemodynamics in five unique Fontan anatomies. Our cohort included ...
Maxien D D Institute for Clinical Radiology, Ludwig-Maximilians-University Hospital - - 2013
The assessment of pulmonary perfusion using dynamic contrast-enhanced (DCE) MRI is still limited in the clinical routine due to the necessity of breath holding. An acquisition technique for the quantitative assessment of pulmonary perfusion in free breathing was investigated in our study. 10 healthy male volunteers underwent pulmonary DCE-MRI on ...
Muraoka Yuki - - 2013
To validate and evaluate the reliability of retinal vessel diameter measurements by optical coherence tomography (OCT). The effects of age and hypertension on vessel diameter were also examined. Prospective, cross-sectional study. Two hundred thirty-eight eyes (238 subjects) with no ocular disease were included. Hypertension was present in 106 subjects and ...
Hill Kevin D KD Clinical Research Institute, Duke University Medical Center, 2400 Pratt St., Durham, NC 27705, USA. - - 2013
Recoarctation after the Norwood procedure increases risk for mortality. The Single Ventricle Reconstruction (SVR) trial randomized subjects with a single right ventricle undergoing a Norwood procedure to a modified Blalock-Taussig shunt or a right ventricle-pulmonary artery shunt. We sought to determine the incidence of recoarctation, risk factors, and outcomes in ...
Patel Niket - - 2013
New intra-operative mitral regurgitation is an unusual complication of tricuspid annuloplasty and maybe ischaemic in aetiology as a consequence of right coronary artery distortion. We report the case of a woman in whom this was treated by mitral valve annuloplasty with ensuing haemodynamic instability and ventricular arrhythmia secondary to a ...
Bai Min - - 2013
We report an extremely rare case of saccular aneurysm in the left medial type persistent trigeminal artery (PTA) trunk and discuss its clinical importance. A 77-year-old woman who had symptom suggestive of vertebrobasilar insufficiency underwent cerebral magnetic resonance (MR) imaging and non-contrast three dimensional time-of-flight MR angiography (3D TOF MRA) ...
Morén Håkan - - 2013
Purpose: We recently presented a transfemoral endovascular coiling technique for inducing experimental retinal ischemia in pigs. Substantial variation was seen in the degree of ischemia. It was hypothesized that the blood supply to the retina may originate from both the ipsi- and contralateral ophthalmic arteries, and that there may be ...
Yamashita Takehiro - - 2013
To determine the relationship between the position of the peak of the retinal nerve fiber layer (RNFL) thickness and the retinal arteries, axial length (AL), and sectoral RNFL thickness in healthy eyes. A prospective, observational cross-sectional study (registration number, UMIN000006040) of 50 healthy right eyes (mean age 25.8 ± 3.7 ...
Vallath Gopakumar G Department of Cardiothoracic and Vascular Surgery, Sri Sathya Sai Institute of Higher Medical Sciences, Prasanthigram, - - 2013
A 9-year-old girl with cyanosis, dyspnea, and grade II clubbing was diagnosed by contrast transthoracic echocardiography and angiocardiography to have an anomalous connection of the venae cavae to the physiologic left atrium with partial anomalous pulmonary venous connection. Successful surgical correction was achieved, and the patient's recovery was uneventful.
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