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Kai Y Y Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan. - - 2013
A modified technique is required in patients with wide-necked aneurysms whose treatment by the single microcatheter technique is difficult. We developed a 6-Fr guiding catheter (Slim Guide(®)) that features a large lumen (0.072 inch) for performing the modified technique. To evaluate the usefulness of Slim Guide(®) we carried out experiments ...
Parrau Daniela - - 2013
We determined whether store operated channels (SOC) are involved in neonatal pulmonary artery function under conditions of acute and chronic hypoxia, using newborn sheep gestated and born either at high altitude (HA, 3,600m) or low altitude (LA, 520 m). Cardiopulmonary variables were recorded in vivo, with and without SOC blockade ...
Kasmeridis Charalampos - - 2013
Aspirin is still the mainstay of antiplatelet therapy in the secondary prevention of coronary artery disease. However certain patients do not benefit from the antithrombotic effects of aspirin. The phenomenon of so-called aspirin resistance can be considered from the clinical and laboratory perspective. A variety of methods have emerged for ...
Wideman R F - - 2013
Pulmonary arterial hypertension (PAH) syndrome in broilers (also known as ascites syndrome and pulmonary hypertension syndrome) can be attributed to imbalances between cardiac output and the anatomical capacity of the pulmonary vasculature to accommodate ever-increasing rates of blood flow, as well as to an inappropriately elevated tone (degree of constriction) ...
Iwasaki Satoru - - 2013
To elucidate the key points for safe performance of transradial angiography. Transradial angiography can be performed safely if attention is paid to the following points from after radial artery puncture to reaching the aortic arch: resistance during guide wire operation for sheath insertion after puncture; confirmation of the superficial brachial ...
Chang Huai-Ren - - 2013
Coronary artery fistulae that drain into the left ventricle are extremely rare, and even fewer cases of fistulae involving all three of the coronary arteries have so far been reported. We herein report a 64-year-old woman with a unique pattern of coronary artery-left ventricular fistulae that involved all three of ...
Tong Yan Qing - - 2013
A 48-year-old asian man was admitted to hospital for the consideration of hemodialysis (HD). An adequate site was decided on for the AVF after Doppler ultrasonography examination of radial artery and cephalic vein. The AVF was formed under local anaesthetic at his right wrist. When seen at the clinic appointment ...
Zainah Hadeel H Infectious Diseases Department, Henry Ford Hospital, 2799 W. Grand Boulevard, CFP-304, Detroit, MI 48202, - - 2013
Daptomycin has been used with success for the treatment of right-sided methicillin-resistant Staphylococcus aureus (MRSA) endocarditis. However, its efficacy has not been completely assessed for the treatment of MRSA endocarditis when it is associated with pulmonary septic emboli. Hereby, we present a case of MRSA mitral and tricuspid native valve ...
Spence Angela L AL School of Sport Science, Exercise & Health (M408), The University of Western Australia, 35 Stirling Highway, Crawley, Perth, WA 6009, Australia. - - 2013
Abstract  This randomized trial evaluated the impact of different exercise training modalities on the function and size of conduit arteries in healthy volunteers. Young (27 ± 5 years) healthy male subjects were randomized to undertake 6 months of either endurance training (ET; n = 10) or resistance training (RT; n ...
Shah Sachil - - 2012
Despite over 6 decades of progress in the development of pharmacological therapy for hypertension, severe drug-resistant hypertension remains a major problem. Endovascular radiofrequency ablation of the proximal renal arteries has been reported to decrease renal artery sympathetic activity and improve long-term hypertensive control. Existing "approved" catheters for this procedure are ...
Nour Sayed - - 2012
Background: Cardiac-assist devices for right ventricular failure remain controversial with poor results. This study evaluated a pulsatile cardiac-assist device in an acute right ventricular failure model vs. current therapies. Materials and methods: Pulmonary regurgitation was created in 12 piglets by valve avulsion and external transfixation of 2 pulmonary artery cusps ...
Skinner Gregory J - - 2012
The presence of an atrial septal defect in pulmonary hypertension has benefits and detractions. Even in idiopathic pulmonary arterial hypertension, a significant left-to-right shunt at atrial level may increase the pulmonary arterial pressure and exacerbate the disease. However, it is well recognised that the presence of an atrial communication may ...
Bergler Tobias - - 2012
Usage of cyclosporine A (CsA) after kidney transplantation may be associated with development of nephrotoxicity and vasculopathy, but the mechanisms by which CsA causes vascular dysfunction are still under scrutiny. We established a transplantation model and investigated the effect of CsA on vascular contractility with the aid of a pressurized ...
Poon Chuen Yeow - - 2013
Pulmonary arterial (PA) hypertension in preterm infant is an important consequence of chronic lung disease of prematurity (CLD) arising mainly due to impaired alveolar development and dysregulated angiogenesis of the pulmonary circulation. Although PA pressure and resistance in these children normalise by school age, their pulmonary vasculature remains hyper-reactive to ...
Fisher Gordon G Department of Nutrition Sciences, University of Alabama at Birmingham, 427 Webb Building, 1675 University Blvd, Birmingham, AL 35294-3360, USA. - - 2013
The purpose of this investigation was to examine the associations between circulating markers of inflammation and arterial elasticity in healthy older women. Participants were 50 women older than 60 years of age, body mass index 27 ± 4, and physically untrained. Large artery elasticity, small artery elasticity, systemic vascular resistance, ...
Waxman Aaron B - - 2012
The lungs are the only organ that receives the entire cardiac output with every stroke. The pulmonary circulation is normally a high-flow, low-resistance, low-pressure system that carries blood into the pulmonary microcirculation. In pulmonary artery hypertension (PAH)vascular remodeling contributes to a sustained elevation of pulmonary vascular resistance (PVR) and pulmonary ...
Saba Luca - - 2012
The purpose of this study was to evaluate the relationship between MDCT angiography-assessed carotid artery plaque volume and composition and the presence of ulceration. Seventy consecutive patients (46 men and 24 women; mean age, 63 years; age range, 42-81 years) were studied using MDCT and were retrospectively analyzed. Component types ...
Kono K - - 2012
Carotid duplex sonography is a useful method for evaluation of dural arteriovenous fistulas. The resistance index of the external carotid artery has been reported to correlate with the efficacy of treatment and recurrence or aggravation of dural arteriovenous fistulas. Herein, we describe a case of dural arteriovenous fistulas mainly supplied ...
Masuda Daisaku - - 2012
Eur J Clin Invest 2012 ABSTRACT: Background  Postprandial hyperlipidemia partially refers to the postprandial accumulation of chylomicrons and chylomicron remnants (CM-R). Many in vitro studies have shown that CM-R has highly atherogenic properties, but consensus is lacking on whether CM-R accumulation correlates with the development of atherosclerotic cardiovascular diseases. We ...
Hirayama Yoji - - 2013
A 22-year-old Japanese woman was diagnosed with hemophagocytic lymphohistiocytosis and subsequently was treated with etoposide and cyclophosphamide. On Day 22, multiple nodular lesions appeared in the bilateral lungs. Neither the administered antibiotics nor the antifungal agent were effective, and she died suddenly of respiratory failure on Day 35. An autopsy ...
Campos Wuilker Knoner - - 2012
We presented a case of drug-resistant trigeminal neuralgia attributed to vertebrobasilar dolichoectasia, a rare condition characterized by enlargement, tortuosity, or elongation of intracranial arteries. Dolichoectatic vessels can cause dysfunction of cranial nerves through direct vascular compression. The relationships of vertebrobasilar dolichoectasia with the particularities of neurovascular conflict and images findings ...
Tian Feng - - 2011
In general, percutaneous coronary intervention (PCI) relieves vessel stenosis by implantation of a stent, however, the relationship between plaque characteristics and response after stenting is not clear. We enrolled 68 patients (68 vessels) with diagnosed unstable angina pectoris that prospectively underwent PCI and an optical coherence tomography (OCT) examination was ...
Rathore Sudhir - - 2011
BACKGROUND: Conflicting data have been reported about the association between plaque composition and remodelling index (RI). The aim of this study is to evaluate the relationship between plaque morphology obtained by optical coherence tomography (OCT) and arterial remodelling. METHODS AND RESULTS: OCT and intravascular ultrasound imaging pull back was performed ...
Amin-Hanjani Sepideh - - 2011
Venous angiomas are currently widely referred to as developmental venous anomalies (DVAs), reflecting the prevailing concept that they represent anomalous, but functional, venous channels within the brain parenchyma. Although DVAs are not infrequently associated with other vascular malformations that harbor hemorrhage risk or can present symptomatically, isolated DVAs themselves appear ...
Coutinho Thais - - 2011
Functional performance influences quality of life in individuals with peripheral artery disease (PAD) and is also a powerful prognostic marker in these patients. The pathophysiology of impaired functional performance in patients with PAD is incompletely understood. The severity of atherosclerotic burden, non-invasively assessed by the ankle-brachial index (ABI), does not ...
Meng Qingxin - - 2011
The aim of the study was to trace the peripheral artery velocity with ultrasound in pigs and provide inference on diagnosis of the type, location and severity of vascular diseases. Limb tightening, adrenaline administration and arterial wall pinching were performed independently in six pigs, and then the evolution of the ...
Yang Fei-Fei - - 2011
StentBoost (SB) is a novel angiographic technique which can enhance stent visualization and improve detection of inadequate stent expansion. Studies of SB that compare it with intravascular ultrasound (IVUS), which is the current gold standard for detection of stent underexpansion, remain inadequate. This study aimed to test the correlation of ...
Hayashi Kei - - 2011
Objective: To (1) determine the microanatomic vascular distribution in ruptured canine cranial cruciate ligaments (CCL) using specific vascular immunohistochemical techniques, and (2) compare vessel density between ruptured and intact canine CCL and between different areas of interest in ruptured CCL using histomorphometric analysis. Study Design: In vitro study. Animals: Dogs ...
Li Li - - 2011
Platelet-derived growth factor (PDGF) has been implicated in the pathogenesis of arterial atherosclerosis and venous neointimal hyperplasia. We examined the effects of PDGF isoforms on smooth muscle cells (SMCs) from arterial and venous origins in order to further understand the differential responsiveness of these vasculatures to proliferative stimuli. Serum-starved human ...
Roosenhoff Tamara P A - - 2010
The use of minimized extracorporeal circuits (MECC) in cardiac surgery is expanding. These circuits eliminate volume storage and bubble trap reservoirs to minimize the circuit. However, this may increase the risk of gaseous micro emboli (GME). To reduce this risk, a venous bubble trap was designed. This study was performed ...
Zamboni P - - 2010
Chronic cerebrospinal venous insufficiency (CCSVI) is a syndrome characterized by stenosies of the internal jugular and/or azygous veins (IJVs-AZ) with opening of collaterals and insufficient drainage proved by reduced cerebral blood flow and increased mean transit time in cerebral MRI perfusional study. The present review is aimed to give a ...
van Bemmelen Paul S - - 2011
To determine the prevalence of foot vein incompetence in a group of patients with chronic venous insufficiency and to assess the association of this, with venous ulceration located on the forefoot. A total of 20 consecutive patients (21 limbs) with active or healed venous ulceration was prospectively studied with duplex ...
Voisard Rainer - - 2010
The effectiveness of human saphenous vein grafting is limited by hyperplasia of the vessel wall. The current paper reports on a pulsed perfused venous human organ culture model (pp-venous HOC-model) with a Windkessel function. Saphenous vein grafts from 21 patients undergoing coronary bypass grafting were cultured either in venous or ...
Weir Bryce - - 2010
From the earliest pathological studies the perivenular localization of the demyelination in multiple sclerosis (MS) has been observed. It has recently been suggested that obstructions to venous flow or inadequate venous valves in the great veins in the neck, thorax and abdomen can cause damaging backflow into the cerebral and ...
Benabu Yves - - 2010
We present a case of a symptomatic venous aneurysm that developed in the drainage network of a deep-seated basal ganglia and thalamic arteriovenous malformation. The venous aneurysm was treated selectively with platinum coils using a venous approach.
Rinehart Sarah - - 2011
Computed tomographic (CT) coronary angiography provides a noninvasive method for coronary plaque detection and quantification, but data are limited on reproducibility of a quantitative evaluation. Intrarater and interrater reliability of a semiquantitative and highly standardized, fully quantitative approach was evaluated in 480 coronary segments in 30 patients. Quantitative vessel-wall and ...
Saleh Ablaa Mohamed - - 2010
The authors conducted a prospective study in order to evaluate the effect'of concave rib osteotomy on pulmonary function, in the context of posterior instrumentation for the treatment of idiopathic scoliosis. Concave rib osteotomy improves the flexibility of the spine, especially in very rigid curves above 70. Seventy-eight consecutive children with ...
Owens Christopher D - - 2010
The maturation of an arteriovenous fistula (AVF) requires remodeling of the arterial inflow and the venous outflow limbs to sustain flows sufficient to support hemodialysis. However, factors influencing remodeling of AVF are poorly understood. We hypothesized that AVF remodeling was an endothelium-dependent process. This is a prospective cohort study of ...
Rizvi Meesam - - 2010
Anomalous connections between an extracranial venous sac and intracranial dural sinuses through dilated diploic and emissary veins of the skull result in sinus pericranii (SP). In this study, two patients with the rare presentation of multiple, congenital SP with associated dural venous lakes and venous anomalies are described. In one ...
Ito Hiroshi - - 2010
We have previously reported the importance of adequate and precise arterial anastomosis and the hypothesis that, up to subzone III, fingertip amputation salvage can be achieved on arterial anastomosis alone. These findings were reported during the meeting of the Japanese Society of Reconstructive Microsurgery. This is our follow-up report with ...
Khan Zahid Hussain - - 2010
Arterial blood gas analysis is an iatric component factor in the clinical evaluation of patients, but arterial puncture has many complications. Our study aimed to determine a correlation between arterial and venous blood gas values. A prospective comparison of 200 samples from 100 patients undergoing lumbar disc surgery was conducted. ...
Pearl Monica - - 2010
Vein of Galen arteriovenous malformations (VGAM) are rare intracranial vascular lesions mostly involving young children. Endovascular therapy is the current standard of care. Albeit interventional techniques have greatly reduced the once dismal vital and functional prognoses previously associated with these lesions, the treatment of VGAMs remains a complex therapeutic challenge. ...
Musani Muzammil H - - 2011
Venous gangrene is a rare complication of deep venous thrombosis. It is certain from review of literature that there is a significant causative relationship between malignant disease and venous gangrene. Data from the National hospital discharge survey from 1979 to 2006 showed that 0.43% of patients with deep venous thrombosis ...
Sizarov Aleksander - - 2010
BACKGROUND: Various congenital malformations and many abnormal rhythms originate from the venous pole of the heart. Because of rapid changes during morphogenesis, lack of molecular and lineage data, and difficulties in presenting complex morphogenetic changes in the developing heart in a clear fashion, the development of this region in human ...
Nishijima Haruo - - 2011
Intracranial venous congestion is a rare condition in hemodialysis patients with central venous occlusion. We report a patient with cerebral venous infarction resulting from high reflex flow into the cranium induced by an arteriovenous hemodialysis shunt in the arm and occlusion of the brachiocephalic vein. This case illustrates that abnormal ...
Oishi Scott N - - 2010
Patients with large venous malformations are at risk for deep venous thrombosis and pulmonary embolus. Currently, there is no general consensus on the proper treatment for these patients. We present 3 preadolescent patients with large upper extremity venous malformations, who developed deep venous thrombosis; 2 had documented pulmonary emboli, one ...
Comerota Anthony J - - 2010
Chronic postthrombotic occlusion of the iliofemoral venous segments produces severe morbidity, which can be alleviated if venous drainage is restored. The common femoral vein (CFV) cannot always be fully recanalized with percutaneous endovenous techniques alone. We report the technique combining operative endovenectomy and patch venoplasty of the CFV with intraoperative ...
Raybaud Charles - - 2010
The brain vascular system develops in such a way that it continuously adapts the supply of oxygen and other nutrients to the needs of the parenchyma. To accompany the developing brain vesicles, it evolves in several steps: superficial meningeal network first; intraventricular choroid plexuses which determine the arterial pattern; penetrating ...
Savard Martin - - 2010
BACKGROUND: In Canada, ancillary tests, such as selective four vessels angiography (S4VA), are sometimes necessary for brain death (BD) diagnosis when the clinical exam cannot be completed or confounding factors are present. Recent Canadian guidelines assert that brain death is supported by the absence of arterial blood flow at the ...
Chou Chih-Wei - - 2010
During zebrafish embryogenesis, the endothelium signals to emergent bilateral interrenal primordia to converge toward the midline, yet the merged interrenal tissue has been found to be situated lateral to the midline. We show in this study that bilateral interrenal tissue clusters fused at the central midline, before relocating laterally to ...
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