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Requejo Flavio F Department of Interventional Radiology, Hospital Nacional de Pediatría "Prof. J.P. Garrahan" , Buenos Aires , - - 2014
ABSTRACT Purpose: To describe a technique for micro catheterization of the external ophthalmic artery (EO) in pigs for investigational and training purposes. Methods: Carotid angiography was performed in seven male domestic pigs. The external ophthalmic artery was reached with a microcatheter in order to administer a neoplastic drug in the ...
Gasiunas V V 1Clinique de l'Alma, Paris, - - 2014
The palmar triangle is an area vascularized by perforator arteries arising from the common digital palmar arteries. The aim of this article was to perform an anatomical study of common digital palmar arteries perforators. Twelve injected specimens were included in this study. The purpose was to quantify the number of ...
Khan Muhammad Shahzeb MS Dow University of Health Sciences. - - 2014
There are two basic ways of performing coronary artery bypass graft surgery (CABG): on pump CABG and off pump CABG. Off pump CABG is relatively a newer procedure to on-pump CABG and does not require the use of the cardiopulmonary bypass machine. On pump CABG is the more traditional method ...
Egenrieder Stephanie S Abteilung für Kardiologie, Robert-Bosch-Krankenhaus, Auerbachstr. 110, 70376, Stuttgart, Germany, - - 2014
With older age and increasing comorbidities, conventional operative procedures for severe symptomatic aortic stenosis are associated with a high surgical risk. To date, transfemoral transcatheter aortic valve implantation (TF-TAVI) represents an accepted alternative method of intervention with a cardiovascular and all-cause mortality similar to operative replacement at early and long-term ...
Speiser U - - 2014
Abstract Objectives: For evaluation of aortic valve area (AVA) transthoracic echocardiography (TTE) is the method of choice. Cardiac magnetic resonance (CMR) at 1.5 Tesla is an alternative. If quantification of whole range of AVA with no to severe aortic stenosis is also possible and reliable in higher magnetic field strength ...
Wong Dennis T L DT Monash Cardiovascular Research Centre, Department of Medicine, Monash Medical Centre, Monash University and MonashHeart, Monash Health, Clayton, Australia; Discipline of Medicine, University of Adelaide, Adelaide, Australia. Electronic address: - - 2014
The goal of this study was to compare the diagnostic accuracy of combined computed tomography perfusion (CTP) + computed tomography angiography (CTA), transluminal attenuation gradient by 320-detector row computed tomography (TAG320) + CTA, and CTP + TAG320 + CTA (multidetector computed tomography-integrated protocol [MDCT-IP]) assessment in predicting significant fractional flow reserve (FFR). CTA has ...
Akiba Tadashi T Department of Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, - - 2014
The fissureless lobectomy or anterior fissureless technique is a novel surgical technique, which avoids dissection of the lung parenchyma over the pulmonary artery during lobectomy by open thoracotomy approach or direct vision thoracoscopic surgery. This technique is indicated for fused lobes. We present two cases where thoracoscopic pulmonary segmentectomy was ...
Masmoudi Hicham H Department of Thoracic Surgery, Tenon Hospital, Paris, - - 2014
Mediastinoscopy remains the gold standard for surgical exploration of the mediastinum. The use of this approach to access the left thoracic cavity could be complicated by vascular or neurological lesion. The aim of this experimental work was to describe a new approach to the left thoracic cavity through a cervical ...
Tanriover Necmettin N Department of Neurosurgery, Cerrahpa┼ča Medical Faculty, Istanbul - - 2014
Object The object of this study was to delineate the microsurgical anatomy of the cisternal segment of the anterior choroidal artery (AChA). The authors also propose a new classification of this segment on the basis of its complicated course within the carotid and crural cisterns in relation to important neurovascular ...
Wang Liang L Department of Otolaryngology-Head and Neck Surgery, Wexner Medical Center, The Ohio State University, Columbus, OH, USA; Department of Otolaryngology-Head and Neck Surgery, 1st Affiliated Hospital, Zhengzhou University, Zhengzhou, Henan, - - 2014
Introduction: Endonasal approaches to the pterygopalatine fossa for epistaxis, or as part of a transpterygoid approach have been popularized in part due to our ability to control the terminal branches of the maxillary artery (MA). Surgical landmarks are useful to identify these arteries. Therefore, identification of surface features on the ...
Tsiopoulos Vasileios V Dipartimento di Scienze Cardiovascolari, Unità di Chirurgia del Cuore e dello Scompenso Cardiaco, Università Cattolica del Sacro Cuore, Policlinico Agostino Gemelli, Roma, - - 2014
We describe a variation of the standard intraoperative transit time flow evaluation that allows the assessment of the anastomotic patency of in situ arterial grafts before the release of the aortic cross clamp. The advantages of this technique are the immediate correction of technical imperfections and the evaluation of native ...
Kim Tae Eun TE Department of Radiology, Dongguk University Ilsan Hospital, Dongguk University, 814 Siksa-dong, Ilsandong-gu, Goyang-si, Gyeonggi-do, 410-773, South - - 2014
Pulmonary sequestration is rarely presented as massive hemoptysis and is conventionally treated by a surgical procedure. Here, we report a case of a 25-year-old man who presented with massive hemoptysis that rapidly developed into a hypovolemic shock. Multidetector computed tomographic angiography showed active contrast extravasation from the aberrant systemic artery ...
Mildner Toralf T Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, - - 2014
The arterial transit time (δa ) is a potentially important physiological parameter which may provide valuable information for the characterization of cerebrovascular diseases. The present study shows that δa can be measured by arterial spin labeling (ASL) applied quasi-continuously in an amplitude-modulated fashion at the human neck. Imaging was performed ...
Croteau Etienne E Department of Nuclear Medicine and Radiobiology, Sherbrooke Molecular Imaging Center, Étienne-Le Bel Clinical Research Center of CHUS, Université de Sherbrooke, Québec, - - 2014
The purpose of this study was to develop a minimally invasive procedure to derive an arterial input function (AIF) in rats through tail artery blood sampling for pharmacokinetic modeling in preclinical PET molecular imaging studies. The procedure involved a microvolumetric blood counter (μBC) and a correction to compensate for delay ...
Kan Jing J Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, - - 2014
Angiographic evaluation of left main coronary artery (LMCA) bifurcation lesions is often limited. two dimensional (2D) quantitative coronary angiography (QCA) with segmental analysis provides accuracy for quantification of the degree of stenosis in the main vessel and side branch ostium but can be affected by foreshortening and variable magnification. The ...
Dangoisse Vincent V C H U Mont Godinne UCL , Yvoir , - - 2014
Abstract Delivery of coronary stents can be challenging, but the use of a second or 'buddy' wire helps the progression of equipment through tortuous and rigid vessels. We successfully positioned a coronary stent in a distal lesion, intentionally jailing the buddy wire during stent delivery. The jailed wire was then ...
Oizumi Hiroyuki H Second Department of Surgery, Yamagata University Faculty of Medicine, Yamagata, - - 2014
Pulmonary segmentectomy is generally acknowledged to be more technically complex than lobectomy. Three-dimensional computed tomography (3D CT) angiography is useful for understanding the pulmonary arterial and venous branching, as well as planning the surgery to secure adequate surgical margins. Comprehension of the intersegmental and intrasegmental veins makes the parenchymal dissection ...
Ural Alper V AV Faculty, Department of Cardiology, Bakirkoy Education and Research Hospital , Istanbul, Turkey - - 2014
Here in we are reporting a 35-year-old pregnant, hypertensive woman with a strict descending aorta coarctation. She had two missing pregnancies which were complicated with hypertension, but which were not diagnosed for any pathologies before. We diagnosed coarctation of aorta, but however postponed her treatment after delivery of baby, because ...
Tremblay Catherine C Université Laval, Dept. of Mechanical Engineering, Quebec, Quebec, Canada ; - - 2014
Tissue engineering appears as a promising option to create new heart valve substitutes able to overcome the serious drawbacks encountered with mechanical substitutes or tissue valves. The objective of this paper is to present the construction method of a new entirely biological stentless aortic valve using the self-assembly method and ...
Wei-Wei Wu W Department of Vascular Surgery, PUMC Hospital, CAMS and PUMC, Beijing 100032, - - 2014
Objective To construct an experimental abdominal aortic aneurysm(AAA)swine model with Dacron patch for evaluating endovascular aneurysm repair(EVAR)technique.Methods The experimental pigs were generally anesthetized for the open procedure of an aneurysm model creation with Dacron and subsequent arteriography and EVAR with stent graft.Repeat arteriography was performed after 3-month follow-up.Results AAA models ...
Vilchez-Monge A L AL Hospital General Universitario Gregorio Marañón, Madrid (Spain):2 Department of Statistics. Instituto de Investigación Sanitaria Gregorio, Marañón - - - 2014
Background: Liver transplantation (LT) implies hemodynamic instability, making invasive monitoring of cardiac output (CO) mandatory. Intermittent thermodilution with pulmonary artery catheter (PAC) remains the clinical gold standard to measure CO. The agreement between PAC and new monitoring methods in LT needs to be further investigated. Our aim is to clarify ...
Chubb H H Department of Congenital Cardiology, Evelina London Children's Hospital, London, UK; King's College London, London, UK; Work performed at Evelina London Children's Hospital, - - 2014
Objectives: The pulmonary valve (PV) annulus is routinely measured angiographically in PV stenosis prior to balloon dilation. We sought to establish whether this radiation exposure is justified, or whether echocardiographic measurements prior to the procedure are sufficient to guide balloon selection. Background: Previous studies have found a strong correlation between ...
Chang Sung Soo SS Department of General Thoracic, Breast, and Endocrinological Surgery, Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, - - 2014
The prognosis of patients with emphysema is poor as there is no truly effective treatment. Our previous study showed that the alveolar space was smaller and the microvessel density was higher in a canine emphysema model after the intrapulmonary arterial administration of gelatin microspheres slowly releasing basic fibroblast growth factor ...
Sander C Hällsjö CH Department of Anaesthesiology, Surgical Services and Intensive Care Medicine, Karolinska University Hospital, Solna SE-171 76, - - 2014
/st>It is important to be able to accurately monitor cardiac output (CO) during high-risk surgery and in critically ill patients. The invasiveness of the pulmonary artery catheter (PAC) limits its use, and therefore, new minimally invasive methods for CO monitoring are needed. A potential method is estimation of CO from ...
Murasato Yoshinobu Y Department of Cardiovascular Medicine, Heart Center, New Yukuhashi Hospital, Yukuhashi, - - 2014
Aims: To define the optimal kissing balloon inflation (KBI) after single-stent deployment in a coronary bifurcation model. Methods and results: We deployed stents in main vessels (MV) followed by KBI in various conditions and compared the stent configurations. A) KBI at the operator's discretion vs. under the guidelines of minimal ...
Descalzo M M Unidad de Imagen, Clínica Creu Blanca, Barcelona, España; Unidad de Imagen Cardiaca, Servicio de Cardiología, Hospital de la Santa Creu i Sant Pau, Barcelona, España. Electronic address: - - 2014
To confirm the value of the coronary artery calcium (CAC) score as an indicator of significant coronary artery disease (CAD) in the asymptomatic Spanish population, using noninvasive coronary angiography by multidetector computed tomography (MDCT). This was a retrospective study of 232 asymptomatic individuals, referred for a cardiovascular health checkup that ...
Miyairi Satoshi S Department of Cardiovascular Surgery, Seirei Hamamatsu General Hospital, Hamamatsu, - - 2014
Despite improvements in bioprosthetic valve function, increased human life-expectancy has led to a growing number of bioprosthetic valve deterioration cases requiring reoperation. We report 2 cases of primary tissue failure of a bioprosthetic valve, which were treated by mitral valve replacement using the valve-on-valve method. The reasons for the reoperations ...
Qiao Aike A a Center of Cardiovascular Medical Engineering, College of Life Science and Bioengineering, Beijing University of Technology , Beijing , P.R. - - 2014
It was found that bypass graft alone could achieve great effects in treating aortic dissection. In order to investigate the mechanical mechanism and the haemodynamic validity of the bypassing treatment for DeBakey III aortic dissection, patient-specific models of DeBakey III aortic dissection treated with different bypassing strategies were constructed. One ...
Lee Chang-Joon CJ The Australian School of Advanced Medicine, Macquarie University, Sydney, NSW, - - 2014
Flow-diverting stents occlude aneurysms by diverting the blood flow from entering the aneurysm sac. Their effectiveness is determined by the thrombus formation rate, which depends greatly on stent design. The aim of this study was to provide a general framework for efficient stent design using design optimization methods, with a ...
Chiastra Claudio C Laboratory of Biological Structure Mechanics (LaBS), Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, - - 2014
Although stenting is the most commonly performed procedure for the treatment of coronary atherosclerotic lesions, in-stent restenosis (ISR) remains one of the most serious clinical complications. An important stimulus to ISR is the altered hemodynamics with abnormal shear stresses on endothelial cells generated by the stent presence. Computational fluid dynamics ...
Patel Tejas T Apex Heart Institute, Ahmedabad, India; Department of Cardiology, Sheth V.S. General Hospital and Smt. N.H.L. Municipal Medical College, Ahmedabad, 380 006, - - 2014
Objectives: The aim of this review is to discuss different methods of working through subclavian, innominate and aortic arch anatomical challenges in order to increase the success rate of transradial approach (TRA). Background: Anatomical challenges in the subclavian, innominate and aortic arch regions are important reasons for failure of TRA. ...
Lu L L Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, - - 2014
Objective: To evaluate dual-energy CT (DECT) findings of pulmonary ischaemic-reperfusion injury (PIRI) and its pathophysiological correlation in the canine model. Methods: A PIRI model was established in 11 canines, utilizing closed pectoral balloon occlusion. Two control canines were also included. For the PIRI model, the left pulmonary artery was occluded ...
Gupta Ajay A From the Departments of Radiology (A.G., H.B., P.C.S.) and Neurology (H.K., A.M.), Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York; Department of Public Health, Weill Cornell Medical College, New York, NY (A.P., A.D., P.C.S.); and Department of Neurology, Columbia University Medical Center, NewYork-Presbyterian Hospital, New York - - 2014
Increasing evidence suggests that carotid artery imaging can identify vulnerable plaque elements that increase stroke risk. We correlated recently proposed markers, soft and hard plaque thickness measurements on axial computed tomography angiography source images, with symptomatic disease status (ipsilateral stroke or transient ischemic attack) in high-grade carotid disease. Soft plaque ...
Ferring Martin M 1 Department of Renal Medicine, Worcester Acute Hospitals NHS Trust, Worcester - - - 2014
<sec id="st1"><title>ABSTRACT</title> <bold><italic>Aim:</italic></bold> The aim of this article is to assess the accuracy of early clinical and ultrasound (US) examination in terms of predicting arteriovenous fistula (AVF) dialysis use. <bold><italic>Methods:</italic></bold> Physical and US examination of patent AVF was performed 4 weeks after fistula creation. AVF dialysis use was defined as ...
Duran Cassidy C The Methodist DeBakey Heart & Vascular Center, Houston, TX. Electronic address: - - 2014
The success of remotely steerable catheters designed for cardiac ablation procedures in the peripheral vasculature (in the laboratory and in highly select live cases) has led to the development of a vascular robotic system designed specifically for use in the arterial and venous systems. Limited bench-top and animal testing has ...
Black Ashley A Department of Thoracic and Cardiovascular Surgery, University of Florida, Gainesville, - - 2014
Sternal reentry for ascending aorta pseudoaneurysm repair presents a formidable challenge because of the risk of aneurysm rupture and hemorrhage. We describe two cases of large pseudoaneurysms at high risk for rupture during sternal reentry in which the chest was safely entered by use of an anterior sternal retraction technique. ...
Kim Chang-Young CY Department of Thoracic and Cardiovascular Surgery, Inje University Ilsan Paik Hospital, Inje University College of Medicine, - - 2014
It is expected that the stent graft will become an alternative method for treating aortic diseases or reducing the extent of surgery; therefore, thoracic endovascular aortic repair has widened its indications. However, it can have rare but serious complications such as paraplegia and retrograde type A aortic dissection. Here, we ...
Zhao Lin-Bo LB Department of Radiology and Research Institute of Radiology, University of Ulsan, College of Medicine, Asan Medical Center, Seoul, Korea. ; Department of Radiology, First Affiliated Hospital of Nanjing Medical University, Nanjing, - - 2014
Problem with embolization of arteriovenous fistula (AVF) with liquid embolic agent is its over-penetration into the veins or regurgitation to the proximal feeder without reaching the shunt point. We present a technique that controls the flow of AVF during embolization. Two microcatheter technique consists of positioning one microcatheter close to ...
Nakamura Yoshihiro Y Department of Pediatrics, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113-8655, Tokyo, - - 2014
It was analyzed in normal physiological arteries whether the least energy principle would suffice to account for the radius exponent x. The mammalian arterial system was modeled as two types, the elastic or the rigid, to which Bernoulli's and Hagen-Poiseuille's equations were applied, respectively. We minimized the total energy function ...
Raghavan Madhavan L ML Department of Biomedical Engineering, University of Iowa, Iowa City, IA, 52242, USA, - - 2014
The International Study of Unruptured Intracranial Aneurysms (ISUIA) is an epidemiologic international study of the natural history of unruptured intracranial aneurysms that enrolled 4,060 subjects. A conventional biplane cerebral angiogram available for central review was required for enrollment resulting in a large database. Data on aneurysms that ruptured during follow-up ...
Eburdery Harold H Plastic and Reconstructive Surgery Unit, CHU Toulouse Rangueil, 1 avenue Jean Poulhès, 31400, Toulouse, France, - - 2014
The main vessels in an injured leg can be spared with perforator-to-perforator anastomosis. However, supermicrosurgery is not a routine procedure for all plastic surgeons. Our objective was to establish if the diameter of the perforators of the leg could allow anastomosis with standard microsurgical procedures. Twenty lower legs harvested from ...
Govindaraju Kalimuthu K Department of Mechanical Engineering, University of Malaya, Kuala Lumpur, Malaysia. Electronic address: - - 2014
Functional assessment of a coronary artery stenosis severity is generally assessed by fractional flow reserve (FFR), which is calculated from pressure measurements across the stenosis. The purpose of this study is to investigate the effect of porous media of the stenosed arterial wall on this diagnostic parameter. To understand the ...
Gaha M M From the Department of Radiology (M.G., C.R., G.G., A.W., D.R., M.C., J.R.), Centre Hospitalier de l'Université de Montréal Notre-Dame Hospital, Montreal, Quebec, Canada; Service de Radiologie (L.E.), Hôpital Maison Blanche, CHU Reims, France; and Department of Mathematics and Statistics (M.C.), Université de Montréal, Montreal, Quebec, - - 2014
Angiographic results are commonly used as surrogate markers of the success of intra-arterial therapies for acute stroke. Inter- and intraobserver agreement in judging angiographic results remain poorly characterized. Our goal was to assess 2 commonly used revascularization scales. A portfolio of 148 pre- and post treatment images of 37 cases ...
Ichikawa Tsuyoshi T Department of Neurosurgery, Fukushima Red Cross - - 2014
Intra-arterial fluorescence angiography from a catheter inserted into the external carotid artery (ECA) via the superficial temporal artery (STA) allowed us to satisfactorily evaluate cerebral arterial and venous blood flow. We report this novel method that allowed for repeated angiography within minutes with a low risk of complications due to ...
Aminian Adel A Adel Aminian, Jacques Lalmand, Dariouch Dolatabadi, Division of Cardiology, Centre Hospitalier Universitaire de Charleroi, 6000 Charleroi, - - 2014
Several recent reports have described the occurrence of longitudinal stent deformation (LSD, defined as the distortion or shortening of a stent along the longitudinal axis), following its successful deployment. However, few reports have described LSD prior to any stent deployment. This previously unrecognized complication is the result of modifications to ...
Jayachandran Sivakumar S NHS and Private practice, Birmingham, UK. Electronic address: - - 2014
This article describes an alternative method to establish the inclination of the occlusal plane by using the hamular notch, incisive papilla plane. By using this plane, the fabrication of occlusal rims that conform to an ideal relationship may make chairside trimming of the rims more straightforward.
Ma Jiayao J Department of Engineering Science, University of Oxford, Oxford, - - 2014
Brain arterial aneurysms are localised dilatation in the wall of cerebral arteries that are common among adult population and associated with high incidence of morbidity and mortality. Using flow diverter stent alone to treat cerebral aneurysm is recognized as a safe and effective method. However, flow diverter stents currently available ...
Ho Brian B Department of Otolaryngology, Georgia Regents University, Augusta, - - 2014
Objective: To define transnasal endoscopic surgical landmarks for the parapharyngeal segment of the internal carotid artery (ppICA) using radiographic analysis and cadaveric dissection. Study Design: Cadaveric and radiographic study Methods: 179 CT angiography studies of the head and neck were analyzed using Osirix third-party software (Pixmeo, Switzerland). Dissection of a ...
Voros Szilard S Stony Brook University, Stony Brook, NY, - - 2014
We previously validated a gene expression score (GES) based on age, sex and peripheral blood cell expression levels of 23 genes measured by quantitative real-time PCR (qRT-PCR) for diagnosis of obstructive coronary artery disease (CAD) (≥50% luminal diameter stenosis). In this study we sought to determine the association between the ...
Erhardt Salome - - 2014
Objectives: Aneurysm volume is routinely approximated calculating cylindrical volumes. Exact aneurysm volume assessment is crucial for liquid polymer embolization. The aim of this study was to compare simple cylindrical volume approximations with direct multiplanar reconstruction (MPR) segmentational volumetry in a saccular/complex experimental rabbit bifurcation aneurysm model. Methods: In 12 female ...
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