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Results 51 - 100 of 2003
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Lazar Harold L - - 2013
The traditional basis for all forms of coronary artery revascularization has been the percent stenosis due to an atherosclerotic plaque or thrombotic occlusion based on coronary angiography. With the introduction of Fractional Flow Reserve (FFR) technology, a new gold standard has been developed to assess the severity of a coronary ...
Stella Nazzareno - - 2013
We describe the endovascular treatment of a wide-neck splenic artery aneurysm (SAA) using a stent-assisted coil embolization technique. A 55-year-old woman who was admitted for intermittent epigastric pain was diagnosed with a wide-neck aneurysm of the intermediate splenic artery. The SAA had a maximum diameter of 2.2 cm and originated from ...
Fanning Jonathon P - - 2013
The efficacy of transcatheter aortic valve implantation (TAVI) in high surgical risk and inoperable patients with severe aortic stenosis (AS) is rapidly gaining credibility with an ever-expanding body of supporting evidence. The potential of TAVI to be a treatment option for a significant cohort of patients with aortic stenosis has ...
Roberton Benjamin J - - 2013
Percutaneous image-guided thermal ablation is safe and efficacious in achieving local control and improving outcome in the treatment of both early stage non-small-cell lung cancer and pulmonary metastatic disease, in which surgical treatment is precluded by comorbidity, poor cardiorespiratory reserve, or unfavorable disease distribution. Radiofrequency ablation is the most established ...
Dattilo Philip B - - 2013
Patent foramen ovale (PFO) is a common developmental anomaly that allows for the passage of blood and other substances from the venous to the arterial circulation. The study of PFO closure has been challenging due to widely available off-label closures performed outside the clinical trial setting. To date, no study ...
Dey Damini - - 2013
Coronary CT angiography (CTA) is increasingly used worldwide for direct, non-invasive evaluation of the coronary arteries. Advances in computed tomography (CT) technology over the last decade have enabled such reliable imaging of the coronary arteries. Beyond arterial stenosis, coronary CTA also permits assessment of atherosclerotic plaque (including plaque burden) and ...
Gillespie Matthew J - - 2013
Transcatheter mitral valve replacement would represent a major advance in heart valve therapy. Such a device requires a specialized anchoring and sealing technology. This study was designed to test the feasibility of a novel mitral valve replacement device (the sutureless mitral valve [SMV]) designed to anchor and seal in the ...
Narula Tathagat - - 2013
Technological advances in recent years have translated into the availability of newer modalities to establish the cause of peripheral pulmonary nodules (PPN). Even though the verdict is still out on the ideal diagnostic modality, there is no doubt that the bronchoscope is becoming a popular tool in the armamentarium of ...
Dumont Travis M - - 2013
In the SWIFT and TREVO 2 trials, aspiration thrombectomy was not able to be performed. Outside these studies, in post-market application, the interventionist can use aspiration thrombectomy in addition to stent device thrombectomy. This technique is described in detail in the present report. Combined aspiration/stentriever thrombectomy may improve recanalization efforts, ...
Estevez-Loureiro R - - 2013
In the past few years, a myriad of technologies have been developed for percutaneous repair of the mitral valve for patients with severe mitral regurgitation (MR) and at high risk for traditional open-heart mitral valve surgery. Among them, MitraClip has emerged as the only clinically safe and effective method for ...
Taggart David - - 2013
Coronary artery disease remains the leading cause of death in developed countries. Major recent studies such as SYNTAX and FREEDOM have confirmed that coronary artery bypass grafting (CABG) remains the gold standard treatment in terms of survival and freedom from myocardial infarction and the need for repeat revascularization. The current ...
Nir Rony-Reuven - - 2013
The current review addresses contemporary technological advances in cardiac surgery performed on octogenarian patients, namely off-pump coronary artery bypass grafting (CABG), proximal anastomosis device, routine use of intraoperative epiaortic ultrasound, proximal anastomosis without clamping, transcatheter aortic valve implantation (TAVI), and brain protection during cardiac surgery.
McElhinney Doff B DB Department of Pediatrics, NYU Langone Medical Center, New York, New York, - - 2013
The Melody® transcatheter pulmonary valve (TPV) is a percutaneous valve system designed for the treatment of obstruction and/or regurgitation of prosthetic conduits placed between the right ventricle and pulmonary arteries in patients with congenital heart disease. In 2000, Melody TPV became the first transcatheter valve implanted in a human; in ...
Rajani Ronak - - 2013
Studies evaluating the diagnostic performance of coronary computed tomography angiography (CTA) are consistent in demonstrating a high negative predictive accuracy, but only a modest positive predictive accuracy for the detection of significant coronary artery disease. Consequentially, there has been a considerable effort made to enhance the diagnostic capability of coronary ...
Conrad Marcelo D - - 2013
Many endovascular techniques have been described in recent years for the management of wide necked aneurysms. The Y stent assisted technique has been generally used for coil embolization of wide necked bifurcation aneurysms. This technique was first described for the treatment of basilar tip aneurysms in combination with several different ...
Nigro Gianluigi - - 2013
Extracranial carotid artery aneurysm is a rare condition with relatively significant morbidity and mortality. When surgery is not indicated, endovascular techniques are emerging as the preferred treatment. However, even this approach may be contraindicated due to anatomic factors. We present a case of a high-lying extracranial carotid artery aneurysm with challenging anatomy ...
Nicolaou Georghios - - 2013
Thoracic endovascular aortic repair (TEVAR) has revolutionized thoracic aortic surgery and has increased the options available to the aortic specialist in treating thoracic aortic disease. TEVAR is less invasive, and is associated with a decrease in perioperative morbidity and mortality when compared with open surgical repair. The dramatic expansion of ...
Sondekoppam Rakesh V - - 2013
Venous thrombo-embolism is a life threatening condition with often non specific presentation. The detection of massive pulmonary embolism in the intra and immediate post-operative period is not only difficult due to the variety of conditions with similar presentation, but the therapy for the same is complicated with concerns of surgical ...
Swärd Karl K Department of Experimental Medical Science, Biomedical Centre, Lund University BMC D12, SE-221 84, Lund, - - 2013
Caveolae are invaginations in the plasma membrane that depend on caveolins and cavins for maturation. Here, we investigated the pulmonary phenotype in mice lacking cavin-1. Bright field and electron-microscopy showed that the cavin-1-deficient mice lacked caveolae in the lung, had an increased lung tissue density, and exhibited hypertrophic remodeling of ...
Seifu Dawit G - - 2013
Vascular occlusion remains the leading cause of death in Western countries, despite advances made in balloon angioplasty and conventional surgical intervention. Vascular surgery, such as CABG surgery, arteriovenous shunts, and the treatment of congenital anomalies of the coronary artery and pulmonary tracts, requires biologically responsive vascular substitutes. Autografts, particularly saphenous ...
Matsumoto Y - - 2013
The pull-through angioplasty technique allows stable wire tension and stabilization of the device during the procedure. In this technique, a guide wire is passed from one sheath to another, usually with the aid of a snare device. We describe the treatment of occlusive subclavian artery disease and lesion at the ...
Pollak Peter - - 2013
Acute hemodynamic compromise due to severe aortic regurgitation remains a difficult problem. The optimal management strategy and timing of surgery continues to evolve as new technologies become available. Here we report the case of a young woman presenting with severe regurgitation of an aortic homograft who developed precipitous cardiogenic shock ...
Rolf Sascha - - 2013
BACKGROUND: The MediGuide™ Technology (MGT) represents a novel sensor-based electromagnetic 4D navigation system allowing real-time catheter tracking in the environment of pre-recorded x-ray loops. OBJECTIVE: We now report on our clinical experience in atrial fibrillation (AF) ablation with recently available MGT-enabled ablation catheters. METHODS: MGT was used in addition to ...
Zhang Y-D - - 2013
To screen differentially expressed genes of different days after cerebral artery occlusion and drug treatment, and identify related small drug molecules. The gene expression profile GSE35338 of cerebral artery occlusion was downloaded from Gene Expression Omnibus database, including a total of 14 samples. 5 samples are 1 day after cerebral ...
Veeram Reddy Surendranath R - - 2013
OBJECTIVES: A novel double opposed helical (DH) biodegradable stent was designed and fabricated for CHD applications. The primary objective was to evaluate the feasibility of DH stent delivery and deployment in rabbit external iliac arteries (EIA). Secondary objectives were to assess stent patency, thrombosis and inflammation at 1-week and 1-month ...
Cohen José E - - 2013
Although intravenous thrombolysis with recombinant tissue plasminogen activator is a proven effective therapy for acute ischemic stroke, it is often insufficient to achieve recanalization in patients with large intracranial artery occlusions. In these cases, intra-arterial reperfusion techniques may be useful. Intra-arterial thrombolysis has been largely replaced by mechanical thrombectomy as ...
Kudagi Vinod S - - 2013
Technological advances in the past decade have shifted revascularization strategies from traditional open surgical approaches toward lower-morbidity percutaneous endovascular treatments for patients with lower extremity peripheral arterial disease (PAD). The continuing advances in stent design, more than any other advances, have fueled the growth of catheter-based procedures by improving the ...
Fukushima Ryuji - - 2013
A four-month-old female Labrador retriever was brought to the Tokyo University of Agriculture and Technology Animal Medical Center for examination of its main symptoms of cough, tachypnea and exercise intolerance. Upon examination, the dog was found to have cyanosis and inadequate growth. Echocardiography revealed tetralogy of Fallot. Cardiac catheterization confirmed ...
Deng Guo-Yu - - 2013
Most of endovascular stent-graft modifications to preserve side branch must be customized according to extensive pre-operative assessment, which may not be possible in many hospitals and emergency settings. The study was to develop a novel stent-grafts system that would allow in situ "fenestration", with less reliance on preoperative imaging. The ...
Umakanthan Ramanan - - 2013
Evaluation of: Bachinsky WB, Abdelsalam M, Boga G, Kiljanek L, Mumtaz M, McCarty C. Comparative study of same sitting hybrid coronary artery revascularization versus off-pump coronary artery bypass in multivessel coronary artery disease. J. Interv. Cardiol. 25(5), 460-468 (2012). Minimally invasive approaches to treat vascular disease have been accruing significant ...
Vermassen F - - 2013
Bioresorbable stents or scaffolds are a new technology in the treatment of coronary and peripheral vascular disease. Their goal is to provide adequate support to the dilated vessel segment for the time needed and to disappear through a controlled resorption process afterwards. Doing so they can offer the early advantages ...
Kwan Alan C - - 2013
Coronary computed tomographic angiography (CCTA) is emerging as a key non-invasive method for assessing cardiovascular risk by measurement of coronary stenosis and coronary artery calcium (CAC). New advancements in CCTA technology have led to the ability to directly identify and quantify the so-called "vulnerable" plaques that have features of positive ...
Navarese E P - - 2013
The implementation of methods of the coronary angioplasty was one of the most important achievement in the field of treatment of coronary artery disease. Abluminal biodegradable polymer stents (BDS) and polymer free stent are the newest and the most promising research concerning coronary stent technology. In this article we discuss ...
Varcoe Ramon L - - 2013
Purpose : To describe a case of a fenestrated aortic stent-graft device malfunction in the aortic arch, which left the stent-graft deployed and almost irretrievable had it not been for an escalating series of endovascular salvage maneuvers. Case Report : A 47-year-old man presented with a rapidly enlarging 6.9-cm thoracic ...
Vajda Zsolt - - 2013
Advances in medical devices technology now allow the endovascular treatment of stenotic lesions of the intracranial arteries with the help of the implantation of microstents. The technical development in stent, catheter and guidewire technology now allows the application of these devices in the intracranial arteries, where access issues due to ...
Barlinn Kristian - - 2013
Acute ischemic stroke remains one of the most devastating diseases when it comes to morbidity and mortality, not to mention the personal and economic burden that occurs in long-term. Intravenous thrombolysis with tissue plasminogen activator (tPA) is the only effective acute stroke therapy that improves outcome if given up to ...
Machi Paolo - - 2013
The aim of the present study was to evaluate endovascular techniques used currently which were not available at the time of ISAT inclusion period, such as balloon remodelling and flow-divertion, in order to assess whether these new technologies have improved the endovascular approach outcomes. We present a review of articles, ...
Shi Chaoyang - - 2013
BACKGROUND: The development of new diagnostic technologies for cerebrovascular diseases requires an understanding of the mechanism behind the growth and rupture of cerebral aneurysms. To provide a comprehensive diagnosis and prognosis of this disease, it is desirable to evaluate wall shear stress, pressure, deformation and strain in the aneurysm region, ...
Chalouhi Nohra - - 2013
OBJECTIVE: Flow diversion has emerged as a promising strategy for management of intracranial aneurysms. The purpose of this study was to determine whether treatment of large and giant aneurysms with the PED is more economical than traditional embolization strategies. METHODS: We identified 30 consecutive aneurysms larger than 10 mm that ...
Latham Gregory J - - 2013
BACKGROUND: Cannulation of small arteries and veins in young children can be challenging. Although anesthesiologists frequently use ultrasound for placement of central venous lines and nerve blocks, its use for cannulation of small, peripheral vessels is less helpful. Ultrasound systems (7-15 MHz) currently used in clinical practice focus poorly at the ...
Kadziolka Krzysztof - - 2013
Remodeling technique and stenting represent important options for intracranial aneurysm treatment, and they sometimes need to be combined. The technology of remodeling balloons and stents has recently evolved with the development of the double-lumen remodeling balloon (Scepter and Ascent) and the low-profile stent (LVIS™ Jr). This report describes our initial ...
Almazedi Bahir - - 2013
Supra-aortic vessel injuries are uncommon but can be life-threatening and surgically challenging. Trauma to these vessels may be blunt or penetrating, including iatrogenic trauma following the insertion of central venous lines, which may be preventable. Recent advances in technology have resulted in endovascular therapy becoming a common first-line treatment, and interventional ...
Dalili Mohammad - - 2013
Vascular stricture is a known complication of radiofrequency ablation. We used this potential of radiofrequency for voluntary restriction and closure of a pulmonary artery branch in a sheep.
Cohen José E - - 2013
Flow diverters constitute a new generation of flexible self-expanding stent-like devices with a high metal-surface area coverage, specifically designed for the endovascular management of complex cerebral aneurysms. Recently, other potential applications for these devices in the field of occlusive cerebrovascular disease have been described. In vertebral artery dissections causing occlusion ...
Kawamura Masashi - - 2013
A 72-year-old woman had a large thoracoabdominal aortic aneurysm (TAAA) with abdominal pain. This aneurysm involved the celiac artery and the superior mesenteric artery (SMA). The risk of open surgery was very high due to severe comorbidity, and there was no appropriate distal attachment for thoracic endovascular repair (TEVAR) with ...
Bergqvist D - - 2013
Does screening of abdominal aortic aneurysm (AAA) fulfil the recently revised the World Health Organization WHO criteria for screening? Contemporary data from the literature are used to analyze whether the ten recent WHO criteria can be used to motivate AAA screening. Although the prevalence of AAA seems to decrease, at ...
Jayia P - - 2013
Endovascular aneurysm repair (EVAR) is widely accepted as a safe technique for treatment of aortic diseases since the concept was first pioneered by Volodos in 1986 and Parodi in 1991. Numerous registries have shown that this minimally invasive technique is associated with lower mortality when compared to open surgery in ...
Bismuth Jean - - 2013
Current interventional techniques rely heavily on operator familiarity with catheters and wires and on physician skills in effectively navigating through and managing target lesions. A novel robotic technology allows endovascular specialists to remotely control catheter tip deflection and advancement and to coordinate manipulation of currently available wires. The aim of ...
Kaul U - - 2013
Coronary artery disease continues to remain a global health care burden. Paradoxical changes in global economies have redefined future development and consumption markets. Within the next decade the need for high quality, low cost coronary stents may reach up to 10 million units. Parallel changes in technological trends further necessitate ...
Micans Philip - - 2013
It has been suggested that arterial stiffness is one of the most important risk factors for the development of a cardiac infarction or stroke. As cardiovascular disease remains the number one killer of individuals before the age of 75, the early detection of cardiovascular disease and its prevention remains paramount ...
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