Search Results
Results 1 - 50 of 2028
1 2 3 4 5 6 7 8 9 10 >
Taleb M M Department of Medicine University of Toledo Medical Center Toledo, OH, USA - - - 2014
Percutaneous thrombectomy is being widely used as a sole therapy or as an adjunct to other therapies for the management of thrombotic occlusions in arteries, veins and grafts. Various techniques used can be broadly classified under percutaneous aspiration thrombectomy, pull-back thrombectomy and trapping, recirculation mechanical thrombectomy, direct contact/non-recirculation thrombectomy and ...
Mönnig Gerold G Division of Electrophysiology, Department of Cardiovascular Medicine, University of Muenster, Muenster, Germany, - - 2014
Electrical isolation of pulmonary veins is the cornerstone of catheter ablation for patients with symptomatic atrial fibrillation. However, uncertainty surrounds the choice of energy source in pulmonary vein isolation (PVI). Various alternative techniques such as the Pulmonary Vein Ablation Catheter (PVAC(®), Medtronic Inc., Minneapolis, MN, USA) have been developed to ...
Leacche Marzia M Brigham and Women's Hospital, Boston, MA - - 2014
Advancement in technique and technology over the last two decades has helped improve clinical outcomes in both surgical and interventional percutaneous coronary revascularization. Hybrid coronary revascularization (HCR) procedures introduced in 2011 by AHA/ACCF updated guidelines for coronary artery bypass grafting (CABG) surgery (1) combine the superiority of the left internal ...
Groves Elliott M EM *Edwards Lifesciences Center for Advanced Cardiovascular Technology, University of California at Irvine †Division of Cardiovascular Diseases, University of California at Irvine §Department of Biomedical Engineering, University of California at - - 2014
Transcatheter aortic valve implantation is a novel treatment for severe aortic valve stenosis. Due to the recent use of this technology and the procedural variability, there is very little data that quantifies the hemodynamic consequences of variations in valve placement. Changes in aortic wall stresses and fluid retention in the ...
Ma Xiaoyuan X Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, - - 2014
Background:Tetralogy of Fallot patients with pulmonary atresia (TOF/PA) present a pulmonary blood supply directly from aortic collateral arteries. Major Aorta-Pulmonary Collateral Arteries (MAPCAs) present substantial clinical and surgical management challenges. Surgical operations to reestablish and promote further development of a pulmonary arterial connection preferentially utilize MAPCAs for reconstruction of central ...
Tan Lee A LA Department of Neurosurgery, Rush University Medical Center, Chicago, - - 2014
Cerebral arteriovenous malformations (AVMs) have an estimated 2-4% annual risk of hemorrhage. Treatment options for AVMs include microsurgical resection, stereotactic radiosurgery, and endovascular embolization. As endovascular technology and techniques continue to advance and mature, endovascular embolization is becoming an increasingly vital component of AVM treatment not only as a presurgical ...
Shah Aamir A Division of Cardio-Thoracic Surgery, Cedars-Sinai Medical Center, Los Angeles, - - 2014
Thoracic endovascular aortic repair (TEVAR) has become an attractive alternative treatment option for thoracic aortic disease. New devices and advanced image-guided procedures are continuously expanding the indications. This article focuses on currently available endovascular solutions for thoracic aortic disease and future 'all endovascular' directions of TEVAR. Currently available endovascular solutions, ...
Ikeda Daniel S DS Department of Neurological Surgery, The Ohio State University Wexner Medical Center, 410 West 10th Avenue, Columbus, OH 43210, - - 2014
The management of intracranial aneurysms has evolved significantly over the past 2 decades. Anterior communicating artery aneurysms (AComAAs) represent a common and often challenging problem for physicians and patients. Experience and technological advances have broadened the indications for endovascular treatment of all aneurysms. Balloon-mounted catheters and intracranial stents are 2 ...
Rai A A Interventionanl Neuroradiology, West Virginia University, Morgantown, WV, - - 2014
If flow-diverters are to become the preferred mode of treating aneurysms then other than their efficacy, an analysis of their financial impact against coiling is warranted. An IRB approved retrospective analysis was performed on 500 aneurysms treated in 427 patients. The implant-cost was calculated based on the number and type ...
Moscarelli Marco M Department of Surgery and Cancer, Imperial College London, - - 2014
Robot-assisted surgery is growing in popularity; however, robotic totally endoscopic coronary artery surgery (TECAB) remains challenging, particularly in multi-vessel disease. A review of the current literature surrounding TECAB using the da Vinci® system. The da Vinci robot is the only commercially available system, operating on a master-slave paradigm with the ...
Moftakhar Roham R Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, - - 2014
Current endovascular technology does not offer a perfect solution for all cerebral aneurysms. Our group has built two versions of a novel aneurysm intrasaccular occlusion device (AIOD) to address the drawbacks associated with current occlusion devices. The objective of the present study was to perform pilot proof of concept in ...
Franzone A A Division of Cardiology Department of Advanced Biomedical Sciences "Federico II" University, Naples, Italy - - - 2014
The treatment of in-stent restenosis (ISR) in the femoro-popliteal artery (FPA) is one of the major challenges of endovascular therapy, occurring in up to 40% of femoro-popliteal lesions treated with bare-metal stents within 1 year of treatment. Drug-eluting technologies, involving local delivery of paclitaxel, are providing a new paradigm for ...
Maisano F F Division of Cardiovascular Surgery University Hospital Zurich, Zurich, Switzerland - - - 2014
Transcatheter mitral interventions are emerging as a novel therapy for patients with severe symptomatic mitral regurgitation who are deemed to be high risk or inoperable. Surgical treatment of mitral regurgitation includes a wide spectrum of therapies, ranging from leaflet and annular repair, to mitral valve replacement. Annuloplasty plays a fundamental ...
Ding Dale D University of Virginia, Department of Neurological Surgery, Charlottesville, VA, United - - 2014
Treatment of giant intracranial aneurysms, via either surgical or endovascular approaches, is associated with a high level of technical difficulty as well as a high rate of treatment-related morbidity and mortality. Flow-diverting stents, such as the Pipeline embolization device (PED), have drastically altered the therapeutic strategies for the treatment of ...
Burzotta Francesco F Institute of Cardiology, Catholic University of the Sacred Heart, Rome, - - 2014
Aims: We aimed to review the technical characteristics of DES platforms which have been documented to influence bifurcation stenting procedures conducted according to the provisional approach. Methods and results: DES platforms have remarkable technical differences (side cell diameter, shape, deformability, etc.). We reviewed the literature data and performed original virtual ...
Turk A S AS 3rd From the Department of Radiology (A.S.T., R.H.M.), Medical University of South Carolina, Charleston, South Carolina; Department of Neurological Surgery (D.F.), Stony Brook Medicine, Stony Brook, New York; Department of Neurological Surgery (J.M.), Vanderbilt University Medical Center, Nashville, Tennessee; Department of Neurosurgery (A.S.), University of Buffalo, Buffalo, New York; and Department of Neurosurgery (A.B.), Hospital Gui de Chauliac, Centre Hospitalier Universitaire de Montpellier, Montpellier, France. - - 2014
The goal of aneurysm treatment is occlusion of an aneurysm without morbidity or mortality. Using well-established, traditional endovascular techniques, this is generally achievable with a high level of safety and efficacy. These techniques involve either constructive treatment of the aneurysm (coils with or without an intravascular stent) or deconstruction (coil ...
Masuda Hirotada H Division of Cardiovascular Surgery, National Hospital Organization Kure Medical Center, Kure, - - 2014
Quadricuspid aortic valve is a rare congenital abnormality often associated with valve incompetence and requires surgical correction in adulthood. However, using a standard suture technique of aortic valve replacement, postoperative complete atrioventricular block is not uncommon because of the downward displacement of the supranumerary leaflet towards the membranous septum. We ...
Fercana George G Clemson University, Bioengineering, Clemson, South Carolina, United States ; - - 2014
The aim of this study was to generate extended length, small diameter vascular scaffolds which could serve as potential grafts for treatment of acute ischemia. Biological tissues are considered excellent scaffolds which exhibit adequate biological, mechanical and handling properties; however they tend to degenerate, dilate and calcify after implantation. We ...
Matura Lea Ann LA University of Pennsylvania, School of Nursing, Philadelphia, PA 19104-4217 USA. Electronic address: - - 2014
The aim of this study is to report the development and psychometric properties of the Pulmonary Arterial Hypertension Symptom Scale (PAHSS). Patients with pulmonary arterial hypertension (PAH) experience multiple symptoms such as dyspnea, fatigue and chest pain, yet there is no comprehensive, validated symptom assessment tool to date. This study ...
Kassimis George G Oxford Heart Centre, Oxford University Hospitals NHS Trust, Oxford, - - 2014
The risk of in-stent restenosis has been dramatically reduced with the use of thin-strut nitinol and balloon-expandable drug-eluting stents in the peripheral arterial territory. However, the presence of a permanent endovascular device is linked to a series of events that can lead to restenosis and stent thrombosis. Significant advances in ...
Kawarada Osami O 1 Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, - - 2014
The synergism of technical refinement and advanced technology has significantly increased the popularity of infrapopliteal intervention. Since chronic total occlusion (CTO) is a common disorder among patients with symptomatic infrapopliteal artery disease, infrapopliteal CTO intervention is now evolving rapidly in the field of endovascular intervention. Guidewire crossing through the CTO ...
Magalhaes Marco A MA Department of Internal Medicine, Division of Cardiology, MedStar Washington Hospital Center, Washington, - - 2014
Aortic valve annular complex was rediscovered after the introduction of transcatheter aortic valve replacement; and imaging has been crucial in determining the annular geometry. Although the procedure has evolved, complications related to the annular mechanical response following valve implantation, such as aortic insufficiency, still occur in practice. We documented the ...
Goetz M M Innere Medizin 1, Universitätsklinikum Tübingen, Tübingen, - - 2014
Recurrent in-stent-stenosis by tissue overgrowth is a common problem for esophageal stents and may be cumbersome to treat by conventional methods. Cryoextraction is a well-established technique within the trachea-bronchial tree for obtaining large biopsies (cryobiopsy) and for recanalization (cryorecanalization), but has not been used in the gastrointestinal tract. We report ...
Raju Seshadri S The Rane Center at St. Dominic, Jackson, MS. Electronic address: - - 2014
Iliac vein stenting has emerged as a promising new technology to address a wide spectrum of advanced chronic venous disease. Wallstent(TM) has been the commonest stent type used in reported experience. It has excellent long term patency with good clinical outcome, but is prone to compression/migration of the upper end ...
Kozor Rebecca R Cardiology Department, Royal North Shore Hospital, Sydney, Australia, - - 2014
This case report and images describe the rare complication of percutaneous aortic valvuloplasty balloon rupture with subsequent mass micro-bubble embolism and haemodynamic collapse. It serves as a cautionary reminder that despite routine standard preparation and technique this adverse event can still occur.
Pollak Peter M PM Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, MN. Electronic address: - - 2014
Transcatheter aortic valve replacement (TAVR) is a transformative technology for the treatment of aortic stenosis, requiring a multidisciplinary collaboration in the form of a "heart team" that includes interventional cardiologists and cardiac surgeons. As this new technology continues to disperse rapidly, its proper therapeutic role evolves and leads to important ...
Brink Johann J Cardiac Surgery Unit, Royal Children's Hospital, Murdoch Children's Research Institute and University of Melbourne, Melbourne, - - 2014
We report the successful surgical management of a hypoplastic aortic arch, severe tracheal stenosis, and acute respiratory failure in a low-birth-weight neonate. The technical details that facilitated concomitant slide tracheoplasty and aortic arch reconstruction are discussed.
Tadros Rami O RO Department of Surgery, Division of Vascular Surgery The Icahn School of Medicine at Mount Sinai New York, New - - 2014
Endovascular aneurysm repair is now the preferred method of abdominal and thoracic aneurysm repair. Until recently, the limitation with this technology has been preservation of the visceral vasculature, hypogastric arteries, and the great vessels. The Zenith® Fenestrated (Cook, Bloomington, IN) is the first device available for use in the US ...
Davies William R WR Cardiovascular Department St Thomas' Hospital, Westminster Bridge Road, London United - - 2014
It could be argued that the European experience with transcatheter aortic valve replacement (TAVR) has been central to the success of this novel technology. After all, Europe provided the birthplace for the first clinical TAVR and allowed commercial approval of the early devices long before they were widely available elsewhere. ...
Rozeik Mm M Department of Biomedical Engineering, University of Strathclyde, Glasgow, - - 2014
The aortic valve operates in a complex haemodynamic environment, opening and closing over 100,000 times a day. When complications arise, such as aortic stenosis, prognosis can be very poor, leading to death within the first few years. Surgical valve replacement is currently the standard treatment for aortic stenosis. A thorough ...
Kulwin Charles C Department of Neurological Surgery, Goodman Campbell Brain and Spine, Indiana University , Indianapolis, IN , - - 2014
Successful surgical treatment of cerebral aneurysms requires complete occlusion of the aneurysm lumen while maintaining patency of the adjacent branching and perforating arteries. Intraoperative flow assessment allows aneurysm clip repositioning in the event these requirements are not met, avoiding the risk of postoperative rehemorrhage or infarction. A number of modalities ...
Zuckerman Scott L - - 2014
The treatment of intracranial aneurysms has undergone precipitous expansion since the first detachable coils were used less than two decades ago. With rapidly expanding technology comes the need to keep all involved parties informed. The objective of our review is to provide a comprehensive, succinct overview of novel paradigms and ...
Fang Shanna - - 2014
Objectives: Paraclinoid aneurysms are challenging lesions to treat with traditional surgical and conventional endovascular techniques despite modern improvements in technique and technology. Flow diversion emerged recently as a promising new therapy that overcomes limitations related to the wide-neck and fusiform morphology, and importantly addresses the underlying diseased parent artery from ...
de Donato G G Department of Medicine, Surgery and Neuroscience Vascular Surgery Unit, University of Siena, Siena, Italy - - - 2014
When Juan Parodi implanted an endograft in a human body for the first time on September 7, 1990 in Buenos Aires, Argentina, the delivery system of the handmade device was primitive, extremely rigid, and had a bulky profile of 27 French (F). Since then, stent-graft technology has evolved rapidly, limitations ...
Alaraj Ali A Department of Neurosurgery, College of Medicine, University of Illinois at Chicago. Chicago, - - 2014
: The use of balloons in the field of neurosurgery is currently an essential part of our clinical practice. The field has evolved over the last 40 years since Serbinenko used balloons to test the feasibility of occluding cervical vessels for intracranial pathologies. Since that time, indications have expanded to ...
Vanlandingham Matthew M Semmes-Murphey Clinic, Department of Neurosurgery, University of Tennessee, Memphis, - - 2014
: Endovascular treatment options for dural arteriovenous fistulas (DAVFs) have vastly expanded and become progressively safer in the last several years. Angiographic imaging systems have improved, catheter technology has advanced, and liquid embolic and coil options have increased. As a likely result, an increasing proportion of DAVFs are treated via ...
Williams Amanda A Southampton General Hospital; Southampton, United Kingdom - - - 2014
Coil technology has been directed to reduce recurrence rates and we have seen the introduction of trials comparing the efficacy of surface modified versus bare platinum coils (BPC). This article reports on one treatment strategy in the treatment of small aneurysms by the placement of Hydrocoil across the neck of ...
Kim Jong Hun JH Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School, Korea. ; Research Institute of Clinical Medicine of Chonbuk National University-Biomedical Research Institute of Chonbuk National University Hospital, - - 2014
Symptomatic or asymptomatic patients with significant carotid artery stenosis (range, 70% to 99%) generally undergo either carotid artery endarterectomy (CEA) or carotid artery stenting (CAS) to prevent stroke. In this study, we evaluated the cost effectiveness of these two treatment modalities. A total of 47 patients (mean age, 67.1±9.1 years; ...
Lee Ku-Eun KE Department of Neurology, Bundang Jesaeng General Hospital, Seongnam, - - 2014
Tortuous arteries are common clinical observation. Although mild tortuosity is asymptomatic, severe tortuosity can lead to ischemic attack in several organs. With advances in imaging technology, an increasing number of tortuous vessels have been detected. The purpose of this report is to describe a case of acute cerebral infarction due ...
Cao Ignacio I Department of Interventional Radiology, Complejo Hospitalario Universitario de A Coruña, A Coruña, - - 2014
We report an endovascular technique for the treatment of large neck pulmonary artery aneurysms. This technique consists of the synchronized parallel deployment of two vascular plugs.
Zhang Jun-Mei JM National Heart Center Singapore, Mistri Wing 17, 3rd Hospital Avenue, 168752, - - 2014
Coronary artery disease (CAD) is the most common cardiovascular disease. Early diagnosis of CAD's physiological significance is of utmost importance for guiding individualized risk-tailored treatment strategies. In this paper, we first review the state-of-the-art clinical diagnostic indices to quantify the severity of CAD and the associated invasive and noninvasive imaging ...
Thakkar Bhavesh M BM Department of Pediatric Cardiology, UN Mehta Institute of Cardiology and Research Centre, Ahmedabad, 380016 (Gujarat) India. - - 2014
Large pulmonary arteriovenous fistula (PAVF) manifests as cyanosis and predisposes to serious complications of right-to-left shunt, and therefore necessitates early treatment. The emergence of antegrade transcatheter closure of feeding arteries as treatment of choice is limited by inherent risk of either recanalization or reappearance of new feeders and potential risk ...
Kesselheim Aaron S AS Program On Regulation, Therapeutics, And Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States of - - 2014
Medical device innovation remains poorly understood, and policymakers disagree over how to incentivize early development. We sought to elucidate the components of transformative health care innovation by conducting an in-depth case study of development of a key medical device: coronary artery stents. We conducted semi-structured interviews with the innovators whose ...
Esposito Giuseppe G Department of Neurosurgery, University Hospital Zurich, Frauenklinikstrasse 10, CH-8091, Zurich, Switzerland, - - 2014
Protective or flow replacement bypass surgery has an important role in the management of complex middle cerebral artery (MCA) aneurysms. Protective bypass is useful when prolonged temporary arterial occlusion is needed for clip reconstruction. Flow replacement bypass is instead important when aneurysmal trapping is the treatment of choice in order ...
van der Zwan Albert A Department of Neurosurgery, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, 85500, Utrecht, 3508 GA, The Netherlands, - - 2014
Giant intracranial aneurysms are a formidable challenge for treatment, considering their grim prognosis. Until lately, endovascular treatment options have been disappointing, and neurosurgical treatment results are by far the most promising. In the neurosurgical treatment of giant intracranial aneurysms, the non-occlusive nature of the ELANA anastomosis technique is a major ...
Gundogan Buket B 1. Centre for Nanotechnology & Regenerative Medicine, UCL Division of Surgery & Interventional Science, University College London, London, UK ; 2. UCL Medical School, University College London, London, - - 2014
Percutaneous coronary intervention (PCI) is one of the most commonly performed invasive medical procedures in medicine today. Since the first coronary balloon angioplasty in 1977, interventional cardiology has seen a wide array of developments in PCI. Bare metal stents (BMS) were soon superseded by the revolutionary drug-eluting stents (DES), which ...
Pastromas Georgios G Department of Interventional Radiology, Patras University Hospital, 26504 Patras, - - 2014
Endovascular procedures for the management of the superficial femoral (SFA) and popliteal artery disease are increasingly common. Over the past decade, several stent technologies have been established which may offer new options for improved clinical outcomes. This paper reviews the current evidence for SFA and popliteal artery angioplasty and stenting, ...
Baumann Frederic F Clinical and Interventional Angiology, Inselspital, University Hospital Bern, - - 2014
Restenosis is the major drawback in patients undergoing tibial angioplasty. In contrast to earlier observations, tibial patency was shown to impact on clinical outcomes in current randomized trials and is thus attributed more importance. Accordingly, intentions to reduce tibial restenosis have been intensified. Both drug-eluting balloons (DEB) and drug-eluting stents ...
Litsky Jason J Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, - - 2014
The endovascular management of obstructive disease of the superficial femoral artery (SFA) is challenging due to unique anatomical and biomechanical forces. Obstructive lesions of the SFA make up the largest proportion of lesions leading to symptomatic peripheral arterial disease. Accordingly, endovascular treatment of SFA disease is becoming increasingly common and, ...
Mpotsaris Anastasios A Department of Radiology and Neuroradiology, Klinikum Vest, Recklinghausen, - - 2013
Broad based bifurcation aneurysms are challenging. Various endovascular techniques aim at stabilizing the coil package in the aneurysm. Among these, the waffle cone technique provides a viable alternative to Y stenting in selected cases, incorporating a less complex delivery, and the reduced inherent risk of a single stenting procedure compared ...
1 2 3 4 5 6 7 8 9 10 >