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Ha Wenbo W Department of Neurosurgery, 5th Hospital affiliated Harbin Medical College, Daqing, China - - 2014
Background This work aimed to evaluate the efficacy of virtual reality (VR) technology in neurosurgical anatomy through a comparison of the virtual 3D microanatomy of the suboccipital vertebral arteries and their bony structures as part of the resection of tumors in the craniovertebral junction (CVJ) of 20 patients compared to ...
Morr Simon S Department of Neurosurgery, School of Medicine and Biomedical Sciences, Buffalo, NY, USA ; Department of Neurosurgery, Gates Vascular Institute, Kaleida Health, Buffalo, NY, - - 2014
Carotid artery stenting technologies are rapidly evolving. Options for endovascular surgeons and interventionists who treat occlusive carotid disease continue to expand. We here present an update and overview of carotid stenting devices. Evidence supporting carotid stenting includes randomized controlled trials that compare endovascular stenting to open surgical endarterectomy. Carotid technologies ...
Jaeger Marcos Ricardo de Oliveira MR Paulista School of Medicine, Federal University of São Paulo, - - 2014
To demonstrate an experimental model of up to four hours a week of independent study that allows relearning in microvascular sutures. Wistar rats between 200 and 500 grams surplus research experiments were used. Femoral vessels are covered on one or both sides through a groin incision obliquely along the inguinal ...
Gonçalves Vítor M VM 0000-0002-5432-9595 Neurosurgery Department, Garcia de Orta Hospital, Avenida Torrado da Silva, 2801-951 Almada, - - 2014
Intracranial aneurysms are rare in the pediatric population, especially in infancy, representing less than 1% of all aneurysms. In this age group, they are more frequent at the carotid bifurcation and in the posterior circulation, with a greater number of giant aneurysms and spontaneous aneurysm thrombosis when compared with the ...
Asakawa Yohei Y Stroke Division, Department of Neurology, Dokkyo Medical University, - - 2014
Objective The aim of this study was to evaluate the relationship between fatty liver disease (FLD) and cerebrovascular disease. Methods We conducted a cross-sectional study of 76 consecutive healthy subjects who participated in a two-day hospitalized health checkup program. The maximal intima-media thickness (IMT) of the common carotid artery and ...
Shakil Omair O Departments of †Anesthesia, Critical Care and Pain Medicine *Surgery ‡Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, - - 2014
Implications of an aortic arch endoprosthesis on tracheal anatomy are underrecognized, especially given their close anatomic relationship. We present a unique case of an elderly woman who suffered an iatrogenic tracheal injury due to both an aberrant aortic arch anatomy and a thoracic endoprosthesis.
Eswar Anastasia A Departments of Neurology and Ophthalmology, Hofstra North Shore LIJ School of Medicine, North Shore University Hospital, 300 Community Drive, Manhasset, NY 11030, - - 2014
A carotid-cavernous fistula (CCF) is an abnormal communication between the carotid arterial system and the cavernous sinus. Common symptoms of CCFs include proptosis and ophthalmoplegia, but fluctuating diplopia and presence of ptosis are not typical. We present an unusual case of CCF with fluctuating binocular diplopia and ptosis, mimicking myasthenia ...
Bijari Payam B PB From the Biomedical Simulation Laboratory, Department of Mechanical and Industrial Engineering and Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada (P.B.B., D.A.S.); and Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD - - 2013
Lumen geometry has long been suspected as a risk factor for atherosclerosis by virtue of its influence on blood flow disturbances. Confirmation of this geometric risk hypothesis has, however, proved challenging owing to possible effects of wall thickening on geometry and unproven links between candidate geometric variables and disturbed flow. ...
Fukuoka Takuya - - 2013
Leukocyte behavior in the cerebral microvasculature following vessel occlusion has not been fully elucidated. The purpose of this study was to investigate the effects of cilostazol on leukocyte behavior (rolling and adhesion) in murine cerebral microvessels following transient bilateral carotid artery occlusion using intravital fluorescence microscopy. Four groups of mice ...
Lim Kyung Seob KS Korea Cardiovascular Stent Institute of Chonnam National University, Gwangju, Korea. ; Cardiovascular Research Center, Chonnam National University Hospital, Gwangju, Korea. ; Regeneromics Research Center, Chonnam National University, Gwangju, - - 2013
Statins have pleiotropic effects, which include the inhibition of neointima hyperplasia, the inhibition of vascular inflammation, and platelet inhibition. The aim of this study was to examine the effect of an atorvastatin-eluting stent (AES) in a rabbit iliac artery overstretch restenosis model. Ten rabbits were used in this study (10 ...
Jhun Byung Woo BW Division of Pulmonary and Critical Care Medicine, Department of Medicine, The Armed Forces Capital Hospital Seoul Seoul, Republic of - - 2013
Ectopic thoracic kidneys are rare anomalies, accounting for less than 5% of all renal ectopia. The anomaly is usually found incidentally on a chest radiograph, with no respiratory or systemic symptoms. It usually presents in the left posteroinferior thorax, associated with a congenital diaphragmatic defect or hernia and is more ...
Peris-Celda Maria M Department of Neurosurgery, University of Florida, Gainesville, - - 2013
The sellar wall of the sphenoid sinus and its recesses have been previously studied, but their intracranial relationships to the diaphragma sellae, tuberculum, clinoid segment of the internal carotid artery, chiasmatic sulcus, and middle clinoid process need further definition. To describe these intra- and extracranial relationships of the recesses in ...
Richardt Doreen - - 2013
Remodeling of the dilated valve annulus with a prosthetic ring for repair of valve insufficiency is a well-established concept in mitral and tricuspid valve surgery and may also be suitable for aortic valve reconstruction. A novel rigid aortic annuloplasty ring was tested in vitro. Ten fresh porcine aortic roots were investigated ...
Entezari Pegah - - 2013
To assess the impact of aortic valve morphology on aortic hemodynamics between normal tricuspid and congenitally anomalous aortic valves ranging from unicuspid to quadricuspid morphology. Aortic three-dimensional (3D) blood flow was evaluated by 4D flow MRI in 14 healthy volunteers with normal trileaflet valves and 14 patients with unicuspid (n = 3), ...
Li Dongyuan D Department of Neurosurgery, China-Japan Friendship Hospital, Jilin University, Changchun 130031, Jilin Province, - - 2013
The transplantation of artificial blood vessels with < 6 mm inner diameter as substitutes for human arterioles or veins has not achieved satisfactory results. Umbilical vein has been substituted for ar-tery in vascular transplantation, but it remains unclear whether the stress relaxation and creep tween these vessels are consistent. In ...
Schnell Susanne - - 2013
To use four-dimensional (4D)-flow MRI for the comprehensive in vivo analysis of hemodynamics and its relationship to size and morphology of different intracranial aneurysms (IA). We hypothesize that different IA groups, defined by size and morphology, exhibit different velocity fields, wall shear stress, and vorticity. The 4D-flow MRI (spatial resolution ...
Erdo─čan Serkan - - 2013
The aim of this study was to investigate the vascular branching morphology of the aortic arch in the long-legged buzzard. For this purpose, two long-legged buzzards were evaluated in this study. The latex injection method was used to investigate the branching of the aortic arch. Two innominate brachiocephalic trunks branched ...
Kiyofuji Satoshi - - 2013
The white-collar sign (WCS) is represented by the formation of neointimal tissue at the level of the aneurysm neck as the successful outcome on follow-up angiography after coil embolization. WCS has been reported only in aneurysms treated with Matrix® coils. This is the first study to report WCS emergence in ...
Orellana Marlene Rossibel Montesino - - 2013
This paper presents repeated measurements of atherosclerosis using bimodality positron emission tomography and computed tomography (PET/CT) with 18F-fluorodeoxyglucose (18F-FDG) to assess its uptake in aorta, iliac and femoral arteries in three groups of elderly subjects classified as normals (N), hypercholesterolemics (H) and with stable angina (A) in a 12 months ...
Chapman Philip R - - 2013
The arterial and venous structures of the central skull base region form complex anatomical relationships with each other and with adjacent osseous and neural structures. Vascular structures including the cavernous sinuses and internal carotid arteries can be displaced, encased, or invaded by neoplastic, inflammatory, or infectious lesions of the central ...
Ilgüy Dilhan - - 2013
Assessment of the maxillary sinus anatomy before sinus augmentation is important for avoiding surgical complications, because of the close anatomical relationship between the posterior maxillary teeth and the maxillary sinus. The posterior superior alveolar artery (PSAA) is the branch of the maxillary artery that supplies the lateral sinus wall and ...
Mizuno Yoshimasa - - 2013
We analyze the safety and efficacy of one-stage bilateral pulmonary resections for pulmonary metastases via a bilateral approach. We retrospectively analyzed 154 cases with pathologically verified pulmonary metastases which underwent curative pulmonary resection. Intraoperative and perioperative variables were evaluated. One hundred and thirty cases underwent unilateral pulmonary metastasectomy (group U), ...
He Bin - - 2013
This study aimed to explore the protective effect of hydrogen as an antioxidant on monocrotaline (MCT)-induced pulmonary hypertension (PH). Forty-eight SD rats were equally randomized into four groups: SHAM group, MCT group, MCT+Oral-H2 group and MCT+Inj-H2 group. The results showed that the mean pulmonary arterial pressure, right ventricle weight and ...
Weng Lihui - - 2013
To assess the level of occlusion and arterial distribution of calibrated bioresorbable microspheres (BRMS-I and BRMS-II) compared with tris-acryl gelatin microspheres (TGMS) after renal embolization. Six rabbits underwent renal embolization with 100-300 µm BRMS-I and TGMS; three rabbits received partial occlusion (group 1, n = 3), and three rabbits received ...
Ajayi N O - - 2013
Atherosclerotic occlusion of a coronary vessel is the commonest causeof ischaemic heart disease. The distribution of atherosclerotic lesions is not random,with stenoses preferentially situated at branch ostia, bifurcation points, and theproximal segments of daughter vessels. The aim of this study was to determinethe effect of the intrinsic anatomical properties of ...
Yazdani Saami K - - 2013
This study was designed to evaluate the pharmacokinetic and vascular healing of a second-generation everolimus-eluting stent (EES) and slow-release zotarolimus-eluting stent (R-ZES). Second-generation DESs have alleviated the safety concerns of late stent thrombosis by addressing issues of polymer biocompatibility and stent design, and optimizing drug loads and release kinetics. No ...
Dong L-Y - - 2013
Ischemic preconditioning (IP) has been used to reduce ischemia-reperfusion injury in several models. It remains unknown whether IP is sufficient to prevent deep hypothermic circulatory arrest (DHCA) cardiopulmonary bypass (CPB) induced lung injury. Twenty-four piglets were randomly divided into four groups: routine CPB (CPB), CPB + DHCA (DHCA), CPB + ...
Wu Jun-Ping - - 2013
Pulmonary embolism (PE) is a common and often fatal disease. Early after pulmonary thromboembolism, inflammation and associated intimal hyperplasia occur within the pulmonary arteries, similar to what is observed with chronic thromboembolic pulmonary hypertension. This study tested the hypothesis that thrombolytic and anticoagulant agents would have anti-inflammatory effects or inhibit ...
Ben-Gal Yanai - - 2013
Objectives: Low patency rates of saphenous vein grafts remain a major predicament in surgical revascularization. We examined a novel expandable external support device designed to mitigate causative factors for early and late graft failure. METHODS: For this study, fourteen adult sheep underwent cardiac revascularization using two vein grafts for each; ...
Demirci Adnan Yalcin - - 2013
BACKGROUND: In this study, we investigated the effect of a novel antiepileptic drug, zonisamide (ZNS), on the basilar artery and hippocampus in a rabbit subarachnoid hemorrhage (SAH) model. METHODS: Three groups of New Zealand white rabbits were used: a sham (non-SAH) group, an SAH + saline group, and SAH + drug treatment group that ...
Wei Liang-Feng - - 2013
The sphenoid sinus occupies a central location in transsphenoidal surgery (TSS). It is important to identify relevant anatomical landmarks to enter the sphenoid sinus and sellar region properly. The aim of this study was to identify anatomical landmarks and their value in single-nostril endonasal TSS. A retrospective study was performed ...
Yewei X - - 2013
The influence of deep hypothermia low-flow (DHLF) perfusion on inflammatory response of pulmonary injury in mammals undergoing the cardiopulmonary bypass (CPB) remains unknown. This study was conducted to determine the feasibility and mechanism of pulmonary protection strategy on preventing pulmonary function from ischemia reperfusion injury with piglet model. Eighteen piglets ...
Li Zi-Fu - - 2013
AIMS: Endothelial progenitor cells (EPCs) are involved in vascular repair and homeostasis after vascular injuries. In this study, we aimed to explore whether bone marrow (BM)-derived EPCs contribute to neointima formation and reendothelialization in rabbit elastase-induced aneurysm after flow diverter treatment. METHODS: Elastase-induced aneurysms were created in New Zealand male ...
Cilla M - - 2013
As plaque develops in arteries two types of remodeling can occur; positive and negative remodeling. Positive remodeling is an outward compensatory remodeling in which the arterial wall grows outward in an attempt to maintain a constant lumen diameter, while negative remodeling is defined as a local shrinkage of vessel size. ...
Keiler Jonas - - 2013
The morphological transformation of hermit crabs into crab-like king crabs in the evolution of decapod crustaceans represents a remarkable case of carcinization or evolutionary shaping into a crab-like form. In this study, we focus on internal organs such as the hemolymph vascular system and adjacent anatomical structures of several Recent ...
Vazquez T - - 2013
PURPOSE: The anatomy of the radial recurrent artery (RRA) is important for different clinical procedures: interventional cardiology and microsurgery of the forearm; however, few studies have analysed its morphology: number, course, relations and distribution. METHODS: The RRA was analysed in 332 upper limbs divided into two groups: (1) normal pattern ...
Peris-Celda Maria - - 2013
BACKGROUND:: The sellar wall of the sphenoid sinus and its recesses have been previously studied, but their intracranial relationships to the diaphragma sellae, tuberculum, clinoid segment of the internal carotid artery, chiasmatic sulcus, and middle clinoid process need further definition. OBJECTIVE:: To describe these intra and extracranial relationships of the ...
Restivo Angelo - - 2013
This study concerns the morphological differentiation between double outlet right ventricle (DORV) and aortic dextroposition (AD) defects, namely tetralogy of Fallot and Eisenmenger anomaly. Indeed, despite the similar condition in terms of sequential ventriculo-arterial connections, DORV and AD are two distinct morphological entities. It is proposed that the borderline between ...
Thomas Krystin L - - 2013
The etiological basis of trigeminal neuralgia (TN) is unknown but vascular (arterial and venous) compression of the trigeminal nerve roots has emerged as the likely cause in most cases. Here we examine the evidence for the "brain sagging/arterial elongation hypothesis" with reference to the cerebral arteries and veins believed to ...
Longo Sarah - - 2013
Gas bladders of ray-finned fishes serve a variety of vital functions and are thus an important novelty of most living vertebrates. The gas bladder has long been regarded as an evolutionary modification of lungs. Critical evidence for this hypothesized homology is whether pulmonary arteries supply the gas bladder as well ...
Sarzaeem Mahmood Reza - - 2013
In an effort to minimise access in cardiac surgery, endoscopic vessel harvesting has become more popular. Theendoscopic approach, however, allows for only the harvest of the mid to distal internal mammary artery (IMA), leaving themore proximal branches of the conduit available for collateral flow away from the coronary bed. To ...
Xu Jinyu - - 2013
Hemodynamic factors are commonly believed to play an important role in the pathogenesis, progression, and rupture of cerebral aneurysms. In this study, we aimed to identify significant hemodynamic and morphological parameters that discriminate intracranial aneurysm rupture status using 3-dimensional-angiography and computational fluid dynamics technology. 3D-DSA was performed in 8 patients ...
Yan Hede - - 2013
To evaluate the effect of hemodynamic remodeling on the survival status of the arterialized venous flaps (AVFs) and investigate the mechanism of this procedure. Two 7 x 9 cm skin flaps in each rabbit (n=36) were designed symmetrically in the abdomen. The thoracoepigastric pedicle and one femoral artery were used ...
Tanaka Takami T Takami Tanaka, Nobuyuki Kawai, Morio Sato, Akira Ikoma, Kouhei Nakata, Hiroki Sanda, Hiroki Minamiguchi, Motoki Nakai, Tetsuo Sonomura, Department of Radiology, Wakayama Medical University, 811-1 Kimiidera, Wakayamashi, Wakayama 641-8510, - - 2012
To compare the efficacy and safety of bronchial artery embolization (BAE) with n-butyl cyanoacrylate (NBCA) and gelatin sponge particles (GSPs). Six healthy female swine were divided into two groups to be treated with BAE using NBCA-lipiodol (NBCA-Lp) and using GSPs. The occlusive durability, the presence of embolic materials, the response ...
Yalcin Bulent - - 2012
The external layrngeal nerve (ELN) may be at risk during thyroidectomy. Because the relationship between the ELN and superior thyroid artery (STA) can be variable, we aimed to investigate their relationship in detail. In human cadavers, 81 ELN and STA and their branches were carefully dissected. The position of the ...
Baba Kenji - - 2012
OBJECTIVE: Retrograde aortic arch malperfusion after ductal stenting can be life-threatening after univentricular hybrid palliation. Arch perfusion can be maintained with a main pulmonary artery to innominate artery shunt placed during the stage I procedure: a "reverse Blalock-Taussig shunt." METHODS: A retrospective review of 37 infants who underwent hybrid palliation ...
Raymond J - - 2012
BACKGROUND AND PURPOSE:The relationship between aneurysm dimensions, flow, thrombosis, and rupture remains poorly understood. We attempted to clarify this relationship by exploring various swine aneurysm models.MATERIALS AND METHODS:Bilateral carotid aneurysms were constructed according to 3 protocols in 24 animals: small aneurysms with wide necks (group 1; n = 6 animals); ...
Ozturk Kayhan - - 2012
OBJECTIVES/HYPOTHESIS: The aim of the present study was to investigate the relationship between the eustachian tube (ET) and petrous internal carotid artery (ICA) in whole-mount human temporal bone specimens. STUDY DESIGN: Descriptive study. METHODS: Histologically prepared serial sections of 10 adult temporal bones were included in the study. Five specific ...
Vatanasapt Patravoot P Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Khon Kaen, - - 2012
Ethmoid arteries, branches of the ophthalmic artery, are crucial structures supplying ethmoid mucosa. Its locations are important during ethmoid sinus surgery. There has been no study in Thais before. To determine the number and locations of ethmoid arteries in relation to important surrounding structures. A prospective, descriptive study in 42 ...
Kulekci Mehmet - - 2012
The relationship between the recurrent laryngeal nerve (RLN) and the inferior thyroid artery (ITA) is an important and helpful landmark for isolating the RLN and its branches during surgery. In the present study, we aimed to define and classify in detail all of the possible relationships between the two anatomic ...
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