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He Zhaoming Z Department of Mechanical Engineering, Texas Tech University, 2703 7th Street, PO Box 41021, Lubbock, TX, 79409-1021, USA, - - 2014
A novel mitral valve repair device, coaptation plate (CP), was proposed to treat functional mitral regurgitation. The objective of this study was to test efficacy of the CP in an in vitro model of functional mitral regurgitation. Ten fresh porcine mitral valves were mounted in a left heart simulator, Mitral ...
Delion Matthieu M Department of Neurosurgery, Angers Teaching Hospital, 49933, Angers, France, - - 2014
The insular perforating arteries originate from the middle cerebral artery. They have only been very partially described up to now. In the literature, they come from the M2 segment and three types are listed: the short, medium and long perforators. The first two types supply the claustrum as well as ...
Patil Jyothsna J Department of Anatomy, Melaka Manipal Medical College (Manipal Campus), Manipal University, Manipal, Karnataka, - - 2014
Veins of the head and neck exhibiting anatomical variations or malformations are clinically significant. Anatomical variation in the external jugular vein is very common. However, anatomical variation in the retromandibular vein is rare. In this paper, we report a rare case of complete absence of the retromandibular vein. In the ...
Baek Insu I Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of - - 2014
The local delivery of paclitaxel onto a graft has been reported to prevent neointimal hyperplasia. Because more than half of vascular stenoses occur within 3 cm of the venous anastomosis, this study tested the effectiveness of a paclitaxel coating restricted to both ends of the expanded polytetrafluoroethylene (ePTFE) graft to reduce ...
Oh Se-Yang SY Department of Neurosurgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, - - 2014
The pipeline embolization device (PED) is a new endovascular device for treatment of complex, fusiform and wide-neck intracranial aneurysms. The main mechanism of this stent is to divert the flow in the parent artery with reduction of inflow in the aneurysm leading to thrombosis. We treated a 40-year-old woman who ...
Kang Kun Woo KW Department of Radiology, Anam Hospital, Korea University College of Medicine, #126-1, 5-Ka Anam-dong, Sungbukku, Seoul, 136-705, Republic of - - 2013
The paired vitelline veins selectively involute and form a part of the portal vein during embryonic development. The presence of a persistent vitelline vein segment after birth is very rare and can be confused with anomalies of the portal and umbilical veins. We present sonographic, CT and MRI findings of ...
Cremers Bodo - - 2013
Objective: Scoring balloons are particularly useful in the acute treatment of fibro-calcific, bifurcation and in-stent restenosis lesions but have not been shown to affect the restenosis rate. Conventional balloons coated with paclitaxel have recently been shown to reduce restenosis rates in certain lesion subsets, but are associated with sub-optimal acute ...
Janaswamy Vishwanath V Department of Cardiothoracic Surgery, Global Hospitals, Hyderabad, - - 2014
A 52-year-old man developed pyrexia after primary angioplasty following anterior myocardial infarction Noninvasive evaluation revealed staphylococcal septicemia with suspicion of an aneurysm or abscess at the stented segment. Coronary angiography confirmed the presence of a large aneurysm. The infected left anterior descending artery aneurysm was de-roofed and ligated, and a ...
Flameng Willem - - 2013
This study assesses the performance and cellular features of decellularized ovine aortic homografts coated with stromal cell-derived factor-1α (SDF-1α) and its natural linker, fibronectin (FN), after implantation in the right ventricular outflow tract of adolescent sheep. Right ventricular outflow tract reconstructions using cryopreserved (n = 7), decellularized (n = 8), and decellularized FN/SDF-1α-coated aortic ...
Alonso-Martín Concepción - - 2013
BACKGROUND: Pulmonary vein electrical isolation is the main goal of atrial fibrillation ablation. To ensure electrical isolation of the pulmonary veins, entrance and exit block should be demonstrated. However, this is sometimes challenging due to the complex anatomy of the pulmonary vein area and the anatomical variations that may preclude ...
Boukas Ibtissama - - 2013
A 9-year-old boy died of rabies complications. We report the unusual combination between rabies, coronary dilatation on echocardiography and coronary vasculitis documented upon autopsy. In the search for the etiological agent of Kawasaki disease, we suggest that a viral infection with potential antigenic similarities to rabies virus should be entertained.
Prasad G Raghavendra - - 2013
Extrahepatic portal hypertension is not an uncommon disease in childhood, but isolated inferior mesenteric portal varices and lower gastrointestinal (GI) bleed have not been reported till date. A 4-year-old girl presented with lower GI bleed. Surgical exploration revealed extrahepatic portal vein obstruction with giant inferior mesenteric vein and colonic varices. ...
Brunner Nathan W NW Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, California, USA ; Vera Moulton Wall Center for Pulmonary Vascular Disease, Stanford University, Stanford, California, - - 2013
Chronic constrictive pericarditis (CP) is a relatively rare condition in which the pericardium becomes fibrotic and noncompliant, eventually resulting in heart failure due to impaired ventricular filling. The only curative treatment is pericardiectomy. Classically, CP does not usually cause severe pulmonary hypertension. When attempting to differentiate CP from restrictive cardiomyopathy, ...
Register Thomas C TC Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157, USA. - - 2013
Adiposity, bone mineral density (BMD), and calcified atherosclerotic plaque (CP) exhibit complex interrelationships that are not well understood. Adipokines vary in relation to changes in body composition and may play roles in regulation of BMD and risk of cardiovascular disease. Our objective was to examine the relationship between serum adiponectin ...
Scheller Bruno - - 2013
We report a male with a coronary bifurcation lesion in the mid circumflex artery (CX). After predilatation, the lesion was treated with two drug-coated balloons (DCB). Primary success in the posterolateral branch was good; however the CX lesion had a residual stenosis including a non-flow-limiting type A dissection. After 6 months, ...
Babcock David E - - 2013
Most catheter-based vascular medical devices today have hydrophilic lubricious coatings. This study was designed to perform a territory-based downstream analysis of end organs subsequent to angioplasty with coated balloon catheters to better understand the potential in vivo physiological consequence of coating wear materials. Coronary angioplasty was performed on swine using balloon ...
Yakushiji Tadayuki - - 2013
Aims: We report the intravascular ultrasound (IVUS) analysis of plaque distribution in left anterior descending (LAD) artery/first diagonal (D1) and distal left main coronary artery (LMCA) bifurcation lesion location. Methods and results: We reviewed 58 angiograms of LAD/D1 bifurcation lesions with pre-intervention IVUS of both the LAD and D1 and ...
Scholkmann Felix - - 2013
Ultra-weak photon emission (UPE) is a general feature of living -biological systems. To gain further insights into the origin of UPE and its physiological significance, the aim of the present study was to investigate the connection between hemodynamics (HD), oxygenation (OX), and UPE. Therefore, during venous and arterial occlusion (VO, ...
Bækgaard N - - 2013
The most important vein segment to thrombolyse after deep venous thrombosis (DVT) is the outflow tract meaning the iliofemoral vein. Iliofemoral DVT is defined as DVT in the iliac vein and the common femoral vein. Spontaneous recanalization is less than 50%, particularly on the left side. The compression from adjacent ...
Woo Daniel - - 2013
It is well established that family members of those individuals with intracranial aneurysm are at high risk of intracranial aneurysms. In the past several years, more information on the heritability of location, familial susceptibility to cigarette smoking, and whether "anticipation" of aneurysm formation has been published. We review these three ...
Kiray Amaç A Department of Anatomy, Faculty of Medicine, Dokuz Eylül University, Izmir, - - 2013
The aim of study was to investigate the features and resources for vein grafts suitable for upper extremity arteries. Sixteen upper extremities of 8 cadavers were investigated. Anatomic localizations, diameters, wall thickness and valve types of the superficial veins of the upper extremity were counted and evaluated. Average diameter of ...
Register Thomas C TC Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157, - - 2013
Bone mineral density (BMD) and atherosclerotic arterial calcified plaque (CP) demonstrate inverse relationships through unknown mechanisms. Dickkopf-1 (DKK1) is an endogenous inhibitor of bone formation, and serum DKK1 has been associated with impaired osteoblast activation and susceptibility to bone loss. Plasma DKK1, BMD in the spine, and CP in three ...
Chen Ming - - 2012
Stent-based delivery of sirolimus has been shown to reduce neointimal hyperplasia significantly. However, the long-term effect of the polymer is thought to initiate and sustain an inflammatory response and contribute to the occurrence of late complications. Our study aimed to evaluate the efficacy and safety of the BuMA biodegradable drug-coated ...
Hammel James M - - 2012
Deep hypothermic circulatory arrest or low-flow bypass are commonly used in primary repair of total anomalous pulmonary venous connection, or individual veins may be dissected to allow clamp or snare application, in order to provide a bloodless field for anastomosis by the direct or sutureless marsupialization technique. In the described ...
Bruneau Michaël - - 2012
Microscopic indocyanine green videoangiography (mICG-VA) has gained wide acceptance during intracranial aneurysm surgery by lowering rates of incomplete clipping and occlusion of surrounding vessels. However, mICG-VA images are limited to the microscopic view and some deeper areas, including the aneurysm sac/neck posterior side, cannot be efficiently assessed as they are ...
Hockaday L A - - 2012
The aortic valve exhibits complex three-dimensional (3D) anatomy and heterogeneity essential for the long-term efficient biomechanical function. These are, however, challenging to mimic in de novo engineered living tissue valve strategies. We present a novel simultaneous 3D printing/photocrosslinking technique for rapidly engineering complex, heterogeneous aortic valve scaffolds. Native anatomic and ...
Wendell David C DC Department of Biomedical Engineering, Marquette University, Milwaukee, WI 53233, - - 2013
Computational fluid dynamics (CFD) simulations quantifying thoracic aortic flow patterns have not included disturbances from the aortic valve (AoV). 80% of patients with aortic coarctation (CoA) have a bicuspid aortic valve (BAV) which may cause adverse flow patterns contributing to morbidity. Our objectives were to develop a method to account ...
Yeremeyeva Esmiralda - - 2012
The purpose of this anatomical study is to illustrate the microscopic and endoscopic anatomy of the anterior communicating artery complex as viewed through three keyhole approaches (keyhole pterional, lateral supraorbital and supraorbital) and to compare them. Each approach was carried out once on each side in five glutaraldehyde-fixed human cadaveric ...
Dooms Christophe A - - 2012
An alveolar-pleural fistula is a communication between the pulmonary parenchyma distal to a segmental bronchus and the pleural space. A postoperative pulmonary expiratory air leak after an anatomic pulmonary resection is usually managed conservatively. The use of endobronchial valves is a minimal invasive method that may be effective for the ...
Power Adam H - - 2012
Spontaneous intrahepatic portal-systemic shunts are rare and can lead to significant encephalopathy. If intervention is recommended, transcatheter embolization is preferred. Various embolization techniques have been described using a wide range of embolization materials. In this report, the authors describe a useful embolization technique for managing a complex, large type 3 ...
Balzer David T - - 2012
PURPOSE OF REVIEW: A recent development within pediatric cardiology is percutaneous pulmonary valve implantation (PPVI). This has extended the life of surgical conduits and decreased the number of surgical procedures required. Early reports focused on feasibility and safety of the technique; recent literature has focused on avoidance of complications such ...
Devendran Vimalarani - - 2012
Total anomalous systemic venous drainage is a rare form of congenital heart disease. All the systemic venous flow from the body (i.e., from the superior vena cava, inferior vena cava, and coronary sinus) drains abnormally into the left atrium. This condition requires the presence of a left-to-right shunt (atrial septal ...
Shimizu Yusuke - - 2012
The precise venous anatomy of the glabellar to the forehead region remains unknown. This study aimed to detail the venous architecture of the glabellar region to the forehead in conjunction with that of the supratrochlear artery to reduce the risk of venous congestion of flaps in this area. Fifteen fresh ...
Karp Natalya - - 2012
We report a case of a 2 year-old boy with Joubert Syndrome and Related Disorders (JSRD), severe congenital aortic stenosis, bicuspid aortic valve and an atrial septal defect. JSRD is one of a group of conditions known as 'ciliopathies', whose multi-organ involvement results from primary cilia dysfunction. To date, there ...
Sanchez M - - 2013
This study is a step towards a new biomechanical-based measurement of the patient specific risk of rupture of cerebral aneurysms. Following a previous experimental investigation suggesting a correlation between the risk of rupture and the material properties of cerebral aneurysms, fluid-structure interaction simulations are performed to compare the deformations of ...
Jones Scott T - - 2012
Superior ophthalmic vein thrombosis (SOVT) is a rare condition of multiple etiologies that generally presents with proptosis, ophthalmoplegia, periorbital edema, and occasionally decreased visual acuity. We describe a unique case of a two-year-old child presenting with extensive superior forniceal chemosis obstructing the visual axis after trauma in a motor vehicle ...
Guérin Florent - - 2012
Congenital portosystemic shunts are developmental abnormalities of the portal venous system resulting in the diversion of portal blood away from the liver to the systemic venous system. Such malformations are believed to come from an insult occurring between the fourth and eighth week of gestation during the development of hepatic ...
Teynor Alexandra - - 2012
Structural parameters of the common carotid artery (CCA) have shown to correlate with the risk of cardiovascular disease, but their precise measurement is challenging. We developed an automatic detection system with manual interaction capabilities that can reliably analyze B-mode ultrasound sequences of the CCA over several heart cycles. We evaluated ...
Mlynski Amélie - - 2012
Thoracic aortic stent grafts have been widely used. We report two cases of proximal misaligned deployment of the Valiant Captivia stent graft after hybrid treatment of thoracic aneurysms. This complication has, to our knowledge, never been previously reported in the literature with this stent graft. We discuss the various factors ...
O'Dowd Corina E - - 2012
Herein we describe a case of perforated mitral valve annular abscess/phlegmon that presented as a new pan-systolic murmur in the setting of hallux osteomyelitis requiring amputation. We discuss the investigations, imaging and complex management challenges arising from this rare condition and the importance of considering a diagnosis of infective endocarditis ...
Bown M J - - 2012
PURPOSE: Balloon expandable stents may on occasion be deployed in close proximity to the anchoring barbs of endovascular grafts. The aim of this study was to determine the risk and effect of balloon perforation by anchoring barbs and to assess whether these risks are different if the balloon is protected ...
Ma Ding - - 2012
Flow diverter (FD) is an emerging neurovascular device based on self-expandable braided stent for treating intracranial aneurysms. Variability in FD outcome has underscored a need for investigating the hemodynamic effect of fully deployed FD in patient-specific aneurysms. Image-based computational fluid dynamics, which can provide important hemodynamic insight, requires accurate representation ...
Maldonado Natalia - - 2012
The role of microcalcifications (μCalcs) in the biomechanics of vulnerable plaque rupture is examined. Our laboratory previously proposed (Ref. 44), using a very limited tissue sample, that μCalcs embedded in the fibrous cap proper could significantly increase cap instability. This study has been greatly expanded. Ninety-two human coronary arteries containing ...
Gupta Monika - - 2012
The presence of foramina in the transverse processes of thoracic vertebrae is not a common feature while they are the characteristic feature of cervical vertebrae. Foramina present in the transverse process of cervical vertebrae give passage to the vertebral artery-an important artery supplying the brain and spinal cord. Thoracic vertebrae ...
Mallios Alexandros - - 2012
We present three novel techniques for creation of (1) a steerable sheath (2) a 4F snare device, and (3) dual anterograde and retrograde double-wire percutaneous transluminal angioplasty access technique using a single femoral puncture. These techniques were conceived and bench-tested in our institution, allowing the utilization of inexpensive equipment for ...
Mok Michael - - 2012
Abstract  In transcatheter aortic valve implantation procedures using balloon-expandable valves, the valve is deployed by rapid balloon inflation within a short period of rapid ventricular pacing. This system and deployment technique is generally considered to be nonrepositionable. We illustrate with two cases (transapical and transfemoral) the possibility to partially reposition ...
Kelting T - - 2012
The ideal location of air bubble detector (ABD) placement on the cardiopulmonary bypass (CPB) circuit is debatable. There is, however, very little data characterizing the prevalence of specific ABD placement preferences by perfusionists. Therefore, the purpose of this study was to survey the perfusion community to collect data describing the ...
Kwan Tak W - - 2012
Ostial lesions, including aorta-ostial lesions and Medina 001 bifurcation lesions, are known to create difficulty in precise stent placement. There are many techniques used to help in precise ostial stent placement; these include using multiple angiographic views to assist in placement, the use of the Ostial Pro device, the aorta ...
Frederick John R - - 2012
Transaortic replacement of the mitral valve at the time of aortic valve or root replacement is a rarely used technique that offers many possible advantages in the setting of multivalve replacement. Reports in the literature are few and dated. The purpose of this brief communication is to describe technical and ...
Wong Kelvin Ck - - 2012
Mitral isthmus ablation forms part of the electrophysiologist's armoury in the catheter ablation treatment of atrial fibrillation. It is well recognised however, that mitral isthmus ablation is technically challenging and incomplete ablation may be pro-arrhythmic, leading some to question its role. This article first reviews the evidence for the use ...
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