Search Results
Results 201 - 250 of 8880
< 1 2 3 4 5 6 7 8 9 10 >
Conradi Lenard L University Heart Center Hamburg, Department of Cardiovascular Surgery, Hamburg, - - 2014
Aims: Recently, the feasibility of valve-in-valve procedures using current first-generation transcatheter heart valves (THV) in cases of structural valve degeneration has been reported as an alternative to conventional open repeat valve replacement. By design, certain biological valve xenografts carry a high risk of coronary ostia occlusion due to lateral displacement ...
Dorado Laura - - 2014
Acute ischemic stroke is a major cause of morbidity and mortality in developed countries. Intravenous thrombolysis with tissue plasminogen activator (tPA) within 4.5 hours of symptoms onset significantly improves clinical outcomes in patients with acute ischemic stroke. This narrow window for treatment leads to a small proportion of eligible patients ...
Miyagi Tsuyoshi T Department of Cardiovascular Medicine, Nephrology and Neurology, University of the Ryukyus School of Medicine, Nishihara-cho, - - 2014
Chronic kidney disease (CKD), characterized by senile inflammation, is a risk factor for cardiovascular disease. Conduit artery function and small artery structure relate to cardiovascular disease. We examined the correlations, determinants and interrelationships of arterial indices in association with CKD in a cross-sectional study of 139 patients (60% male; mean ...
Backes Daan D From the Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus (D.B., M.D.I.V., A.S.E.B., A.A., G.J.E.R.), Department of Radiology (B.K.V., I.C.v.d.S.), and the Julius Center for Health Sciences and Primary Care (A.A.), University Medical Center Utrecht, Utrecht, The - - 2014
Prediction of the risk of rupture of unruptured intracranial aneurysms is mainly based on aneurysm size and location. Previous studies identified features of aneurysm shape and flow angles as additional risk factors for aneurysm rupture, but these studies were at risk for confounding by patient-specific risk factors such as hypertension ...
Kariya Shuji S Department of Radiology, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 5731010, - - 2014
Several reports have described portopulmonary venous anastomosis (PPVA). However, in balloon-occluded retrograde transvenous obliteration (BRTO), attention has not been paid to paradoxical embolism. The objective of this study was to investigate the existence of a right-left shunt due to PPVA when the drainage vein is occluded by a balloon during ...
Lehto Hanna H Department of Neurosurgery, Helsinki University Central Hospital, Helsinki, Finland. Electronic address: - - 2014
Aneurysms at the junction of the vertebral artery (VA) and posterior inferior cerebellar artery (PICA) are relatively rare. Their treatment is challenged by the diverse anatomy of the VA and PICA, close involvement of the PICA in the aneurysm neck, and scant space deep in the posterior fossa next to ...
Klocker Josef J Department of Vascular Surgery, Medical University Innsbruck, Innsbruck, Austria. Electronic address: - - 2014
The objective of this study was to report on the incidence of left arm ischemia, left arm function, and quality of life after thoracic endovascular aortic repair (TEVAR) by stent grafting with and without coverage of the left subclavian artery (LSA). All patients who underwent TEVAR since 1996 in our ...
Walker B S BS From the Department of Radiology, University of Utah School of Medicine, Salt Lake City, - - 2014
Calcified cerebral emboli are a rarely reported but devastating cause of stroke and may be the first manifestation of vascular or cardiac disease. Our aim was to evaluate the diagnosis, prevalence, imaging appearance, presumed embolic source, treatment, and outcome of patients with calcified cerebral emboli. Our radiology information system was ...
Yeom K W KW From the Departments of Radiology (K.W.Y.) and Neurosurgery (R.M.L., A.A., S.H.C., M.S.B.E.) and Division of Pediatric Neurosurgery (S.H.C., M.S.B.E.), Lucile Packard Children's Hospital at Stanford University, Palo Alto, - - 2014
Reduced cerebral perfusion has been observed with elevated intracranial pressure. We hypothesized that arterial spin-labeled CBF can be used as a marker for symptomatic hydrocephalus. We compared baseline arterial spin-labeled CBF in 19 children (median age, 6.5 years; range, 1-17 years) with new posterior fossa brain tumors and clinical signs ...
Gunduz Y Y From the Departments of Radiology (Y.G., L.T.A.) and Cardiology (R.A., N.K.), Sakarya University Medical Faculty, Sakarya, - - 2014
Carotid angioplasty and stent placement are increasingly being used for the treatment of symptomatic and asymptomatic carotid artery disease. Carotid angioplasty and stent placement carry an inherent risk of distal cerebral embolization, precipitating new brain ischemic lesions and neurologic symptoms. Our purpose was to evaluate the frequency of new ischemic ...
Gao Bulang B Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts, - - 2014
Although intracranial stenting has been associated with in-stent stenosis, the vascular response of cerebral vessels to the deployment of the Enterprise vascular reconstruction device is poorly defined. To evaluate the change in parent vessel caliber that ensues after Enterprise stent placement. Seventy-seven patients with 88 aneurysms were treated using Enterprise ...
Jansen I G H IG From the Departments of Radiology (I.G.H.J., J.J.S., W.V.P., R.B., H.A.M., C.B.L.M.M.) and Biomedical Engineering and Physics (E.T.B., H.A.M.), Academic Medical Center, Amsterdam, the Netherlands; and Department of Radiology (P.O.), Northwestern University, Chicago, - - 2014
Attempts have been made to associate intracranial aneurysmal hemodynamics with aneurysm growth and rupture status. Hemodynamics in aneurysms is traditionally determined with computational fluid dynamics by using generalized inflow boundary conditions in a parent artery. Recently, patient-specific inflow boundary conditions are being implemented more frequently. Our purpose was to compare ...
Altmann Mathias M Department of Ophthalmology, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93042, Regensburg, - - 2014
Central retinal artery occlusion (CRAO) is most often indirectly diagnosed by lack of retinal perfusion. Direct embolus characterization may help to understand the natural course and low response to treatment. In a previous study we identified a hyperechoic signal within the optic nerve and in the central retinal artery ("spot ...
Bangard Christopher C Department of Radiology, University Hospital, University of Cologne, Kerpener Str. 62, 50924, Cologne, Germany, - - 2014
To introduce a novel percutaneous technique to stop blood entry at the lesser aortic arch curvature by coil embolisation in type Ia endoleak after TEVAR. A 61-year-old Marfan patient presented with type Ia endoleak of the aortic arch and a growing aortic arch pseudoaneurysm after TEVAR. Multiple preceding operations and ...
Saxena Pankaj P Division of Cardiovascular Surgery, Mayo Clinic, Rochester, - - 2014
Transapical transcatheter valve replacement is a relatively new technique for select patients with aortic valve stenosis, most of whom have severe peripheral vascular disease. We report our experience with the use of a right axillary artery conduit for arterial access during transapical valve replacement. We reviewed the records of 129 ...
Buyukates M M Department of Cardiovascular Surgery, Bülent Ecevit University, School of Medicine, Zonguldak, Turkey - - - 2014
Background and aim: We have conducted this study to seek and observe visual clues through immunohistochemical staining for differences in Et-1/2/3 expression and the free-flow capacitymeasuring the blood flow through grafts, in the left internal mammary artery grafts prepared either with clipped or nonclipped techniques, and. Material and methods: A ...
Ventoruzzo G G Cardiovascular Department, Vascular and Endovascular Surgery Unit, "S., Donato" Hospital, Arezzo, Italy - - - 2014
Chronic dissection of proximal aortic neck is a rare occurrence in patients with abdominal aortic aneurysm (AAA) and gold standard therapy has not defined so far. Herein we report two successful cases of an original adjunctive procedure involving the transrenal placement of a selfexpanding nitinol stent (E-XL aortic stent, Jotec ...
Simsek Erdal E Department of Cardiovascular Surgery, Turkiye Yuksek Ihtisas Training and Research Hospital, Ankara, - - 2014
Background Aortic aneurysms are vascular diseases that are associated with high mortality and morbidity. Cytochrome P450 CYP1A1 and glutathione S-transferase (GSTP1) isozymes were searched and compared with the patients who had experienced aortic surgery due to aortic aneurysm and atherosclerotic patients without aneurysm to find the relation of the oxidative stress ...
Basher S S Division of Cardiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA - - - 2014
The management of concomitant aortic and aortic valve disease with left ventricular assist device (LVAD) implantation for patients with severe cardiomyopathy is challenging, and has not been established given the complexity of LVAD surgery with concomitant aortic interventions. A 45 year old patient presented to our institution with end-stage heart ...
Chen Qian Q 1Department of Geriatric Cardiology, Chinese PLA General Hospital, Beijing, 100853, - - 2014
Peripheral arterial disease (PAD) is a common manifestation of atherosclerosis that is associated with an increased risk of mortality and cardiovascular (CV) events. Peripheral arterial disease involves the arteries distal to the aortic bifurcation in a nonuniform manner. Studies have shown that symptoms and prognosis of patients with PAD vary ...
Sood Vikram V Department of Cardiac Surgery, University of Michigan Cardiovascular Center, Ann Arbor, - - 2014
Repair of isolated aortic arch aneurysms (nontraumatic) by either open (OAR) or endovascular (TEVAR) methods is associated with need for hypothermic circulatory arrest, complex debranching procedures, or use of marginal proximal landing zones. This study evaluates outcomes for treatment of this cohort. Of 2153 patients undergoing arch repair (1993-2013), 137 ...
Meehan Timothy T Department of Radiology - - 2014
To evaluate the indications, complications, and clinical outcomes of transcatheter embolization for acute hemorrhage associated with gastric adenocarcinoma. Ten patients underwent catheter-directed arterial embolization at two institutions for acute gastrointestinal hemorrhage related to pathology-proven gastric adenocarcinoma from March 2002 to March 2012. The electronic medical record for each patient was ...
Shi Weihao W Departments of Vascular Surgery (W.Shi, - - 2014
To evaluate the efficacy and safety of a dual femoral-popliteal approach in the supine position after failed antegrade recanalization attempts in chronic total occlusion (CTO) of the superficial femoral artery (SFA). From May 2011 to October 2012, 21 patients underwent dual femoral-popliteal recanalization for CTO of the SFA, with a ...
Dijkstra Martijn L ML Division of Vascular Surgery, Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The - - 2014
In the past decennium, the management of short-neck infrarenal and juxtarenal aortic aneurysms with fenestrated endovascular aneurysm repair (FEVAR) has been shown to be successful, with good early and midterm results. Recently, a new fenestrated device, the fenestrated Anaconda (Vascutek, Renfrewshire, Scotland), was introduced. The aim of this study was ...
Rosset E E CHU Clermont-Ferrand, France. Electronic address: - - 2014
The aim of this study was to assess the results of hybrid techniques for the treatment of thoracic, thoracoabdominal, and abdominal aortic aneurysms based on multicenter results and the various series regarding hybrid procedures reported in the literature. The results of 76 hybrid procedures performed in 19 French university hospital ...
Burke Chris C Division of Vascular Surgery, Department of Surgery, University of Washington, Seattle, Wash. Electronic address: - - 2014
Aneurysms of the internal mammary artery are rare. We describe a case of a 49-year-old woman with a SMAD3 mutation who presented with left internal mammary artery aneurysm that was thought to have ruptured, causing a large spontaneous left mediastinal hematoma. The aneurysm was treated successfully months after initial presentation ...
Oudshoorn Simone C SC Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Room G03-228, Heidelberglaan 100, 3584 CX, Utrecht, The - - 2014
In patients with aneurysmal subarachnoid hemorrhage (aSAH), it is unclear whether aneurysm treatment <24 h after ictus results in better outcomes than treatment 24-72 h after aSAH. We studied whether aneurysm occlusion <24 h is associated with better outcomes than occlusion 24-72 h after aSAH. We used two cohorts of patients with aSAH: (1) ...
Kim Dong Joon DJ Department of Radiology, Yonsei University College of Medicine, Seoul, Korea, - - 2014
Overwide and undertall small intracranial aneurysms remain a challenge for coil embolization. The purpose of this study is to evaluate the feasibility and results of intrasaccular double microcatheter endovascular coil embolization of overwide and undertall small intracranial aneurysms. Small (<7 mm), overwide (dome-to-neck ratio [DNR] ≤1.2), and undertall (ASPECT ratio ≤1.2) ...
Chen Lizhao L Department of Neurosurgery, Institute of Surgery Research, Daping Hospital, Third Military Medical University, 10#, Changjiang Branch, Daping, Yuzhong District, Chongqing, 400042, People's Republic of - - 2014
To explore the imaging features of the vertebrobasilar artery dissecting aneurysm (VBA-DA) and to evaluate the effect of endovascular treatments. Five patients with VBA-DA undergoing endovascular treatments were retrospectively studied. Stent-alone technique was used to treat two of the patients, stent-assisted coil embolization of aneurysm in one patient, coil embolization ...
Pullan Mark M Liverpool Heart and Chest Hospital, Liverpool, - - 2014
To determine whether patient sex makes a difference to in-hospital mortality and survival in patients undergoing isolated coronary artery bypass graft surgery (CABG) receiving a radial artery graft. Analysis of consecutive patients on a validated prospective cardiac surgery database was performed for patients undergoing isolated CABG. Uni- and multivariate analyses ...
Curzen Nick N From University Hospitals Southampton NHS Foundation Trust, Southampton, United Kingdom (N.C., O.R., Z.N., P.G., A.C., S.C.); Faculty of Medicine, University of Southampton, Southampton, United Kingdom (N.C., B.D.D.); Freeman Hospital, Newcastle upon Tyne, and Newcastle University, Tyne and Wear, United Kingdom (A.Z.); Golden Jubilee Hospital, Glasgow, United Kingdom (K.O.); Belfast City Hospital, Belfast, United Kingdom (C.H.); John Radcliffe Hospital, Oxford, United Kingdom (A.B.); Leeds General Infirmary, Leeds, United Kingdom (S.W.); Queen Alexandra Hospital, Portsmouth, United Kingdom (A.H.); Royal Derby Hospital, Derby, United Kingdom (K.C.); Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton, United Kingdom (D.-H.S.); and Musgrove Park Hospital, Taunton, United Kingdom - - 2014
The use of coronary angiography (CA) for diagnosis and management of chest pain (CP) has several flaws. The assessment of coronary artery disease using fractional flow reserve (FFR) is a well-validated technique for describing lesion-level ischemia and improves clinical outcome in the context of percutaneous coronary intervention. The impact of ...
Toth Gabor G Cardiovascular Center Aalst, OLV-Clinic, Moorselbaan, 164, B-9300 Aalst, - - 2014
The present analysis addresses the potential clinical and physiologic significance of discordance in severity of coronary artery disease between the angiogram and fractional flow reserve (FFR) in a large and unselected patient population. Between September 1999 and December 2011, FFR and percent diameter stenosis (DS) as assessed by quantitative coronary ...
Zanotti Giorgio G 1 Division of General Surgery, Duke University Medical Center, Durham, NC. 2 Cardiothoracic Surgery, Duke University Medical Center, Durham, NC. 3 Cardiothoracic Surgery, University of Kentucky, Lexington, KY. 4 Duke Clinical Research Institute, Durham, NC. 5 Address correspondence to: Giorgio Zanotti, Duke University Medical Center, Duke South - White Zone, Box 3443, Durham, NC - - 2014
Coronary artery disease has a high prevalence among lung transplant recipients and has historically been a contraindication to transplant at many institutions. In patients with mild-to-moderate coronary artery disease (Mod-CAD) undergoing lung transplant, outcomes are not well defined. All patients who underwent pulmonary transplantation from January 1996 through November 2010 ...
Kucukay Fahrettin F Department of Radiology, Turkiye Yuksek Ihtisas Hospital, Sihhiye 06100 Ankara Turkey. Electronic address: - - 2014
To analyze the long-term results of endovascular treatment of large pulmonary arteriovenous malformations (PAVMs) using the AMPLATZER vascular plug (AVP; AGA Medical Corp, Golden Valley, Minnesota). Between May 2007 and April 2011, 18 patients with 24 large PAVMs, defined as PAVMs that had a feeding artery with a diameter of ...
Bates Melissa L ML Critical Care Division, Department of Pediatrics and the John Rankin Laboratory of Pulmonary Medicine, - - 2014
Intrapulmonary arteriovenous anastomoses (IPAVs) are large-diameter pathways that directly connect the arterial and venous networks, bypassing the pulmonary capillaries. Ubiquitously present in healthy humans, these pathways are recruited in experimental conditions by exercise, hypoxia, and catecholamines and have been previously shown to be closed by hyperoxia. Whether they play a ...
Woerdeman Peter A PA Division of Pediatric Neurosurgery, British Columbia Children's Hospital; and Department of Neurosurgery, University of British Columbia, Vancouver, British Columbia, - - 2014
Authors of this report describe 2 patients who had undergone shunt insertion for hydrocephalus and who, at 6 weeks or 9 months after their last revision, presented with symptoms of shunt dysfunction and CSF collections at the valve site. At the ensuing shunt revision in both patients, the silicone housing ...
Makimoto Satoko S Department of Radiology, Okayama University Medical School, 2-5-1 Kitaku Shikatacho, Okayama, 700-8558, Japan, - - 2014
To investigate an association between reperfusion and the percentage of shrinkage of the aneurysmal sac after embolization of pulmonary arteriovenous malformation (PAVM) and to determine the cutoff value of the shrinkage percentage for indicating reperfusion. Twenty-two PAVMs with completely embolized feeding arteries with coils were examined. The percentage of sac ...
Lee C M CM Department of Veterinary Internal Medicine, College of Veterinary Medicine, Konkuk University, Seoul, 143-701, South - - 2014
A seven-month-old, entire, male miniature schnauzer dog was referred with acute vomiting, inappetence and depression primarily as a result of a gastric foreign body (pine cones). During investigations, thoracic radiographs revealed increased volume of the right lung lobes, deviated cardiomediastinal structures and elevation of the heart from the sternum. Thoracic ...
Potaris Konstantinos K Department of Thoracic Surgery, Sotiria General Hospital for Chest Diseases, Athens, - - 2014
We aimed to consolidate our clinical observations regarding the development of pulmonary hypertension following pneumonectomy for lung cancer. Sixty-nine of 82 initially selected patients without pulmonary or cardiac comorbidities, who underwent pneumonectomy for lung cancer between October 2009 and October 2011, accomplished our protocol. Mean patient age was 60.6 years ...
Patel Rusha R Division of Otolaryngology-Head and Neck Surgery, University of Utah School of Medicine, Salt Lake City, Utah, - - 2014
Hemoptysis in the pediatric population may be caused by foreign body aspiration, cystic fibrosis, bronchiectasis, or infection. Vascular causes are uncommon. We present a rare cause of hemoptysis related to a bronchial artery pseudoaneurysm. We report the case of a child with a bronchial artery pseudoaneurysm causing hemoptysis and describe ...
van Petersen André S AS Division of Vascular Surgery, Department of Surgery, Medical Spectrum Twente, Enschede, The Netherlands; Division of Vascular Surgery, Department of Surgery, Bernhoven Hospital, Oss-Uden-Veghel, The Netherlands. Electronic address: - - 2014
The mesenteric circulation has an extensive collateral network. Therefore, stenosis in one or more mesenteric arteries does not necessarily lead to symptoms. The objective of this study was to determine the effect of collateral flow on celiac artery (CA) and superior mesenteric artery (SMA) duplex parameters. Between 1999 and 2007, ...
Iimuro Yuji Y Department of Surgery, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, 663-8501, Japan, - - 2014
Aneurysms in the portal venous system are relatively rare. We report the case of an extrahepatic portal venous aneurysm, detected incidentally by ultrasonography. The patient, a 75-year-old woman, was initially observed over 18 months, during which time, the aneurysm grew from 36 mm × 32 mm to 51 mm × 37 mm in size, without symptoms. Hemodynamic analysis employing ...
Zamorano José L JL Servicio de Cardiología, Hospital Universitario Ramón y Cajal, Madrid, España. Electronic address: - - 2014
Coronary artery disease is associated with high morbidity and mortality. The objective of the CLARIFY registry is to study the treatment of outpatients with coronary artery disease in the setting of daily clinical practice. The CLARIFY registry is a prospective registry conducted in 41 countries that included outpatients with stable ...
Bertrand M M MM Laboratory of Experimental Anatomy, Faculty of Medicine Montpellier-Nîmes, University Montpellier I, 30 rue Lunaret, 34090, Montpellier, France, - - 2014
Curative surgery is the standard treatment for colorectal cancer. The ligation level of the inferior mesenteric artery (IMA) is still debated, as neither low tie (LT) nor high tie ligation (HT) has shown any benefit on the patients' overall survival. We examined whether LT is standardizable and easily reproducible from ...
Vegsundvåg Johnny - - 2014
Our aim was to assess whether anterograde flow velocities in septal perforating branches could identify an occluded contralateral coronary artery, and to assess the feasibility and accuracy of diagnosing occlusions in the three main coronary arteries by the combined use of several noninvasive parameters indicating collateral flow. A total of ...
Hayashi Shogo S Department of Anatomy, Tokyo Medical University, Shinjuku-ku, Tokyo, 160-8402, Japan, - - 2014
Scimitar syndrome is a rare anomaly involving a pulmonary vein flowing into the inferior vena cava (scimitar vein) and is commonly associated with lung hypoplasia wherein a scimitar vein drains the entire lung. We report a rare case of a scimitar vein draining only the right inferior lobe found in ...
Hayakawa Masato M Division of Cardiovascular Surgery, Department of Surgery, Shiga University of Medical Science, Otsu, Shiga, - - 2014
Quadricuspid aortic valve is rare, with an estimated incidence of 0.008% to 1.46%. Most cases are encountered incidentally during aortic valve surgery or autopsy. The condition frequently progresses to aortic regurgitation, which can manifest in adulthood and may require surgical treatment. This anomaly may sometimes be associated with other malformations, ...
Tinto H R HR Radiology Department, Hospital de São José, Rua José António Serrano, 1150 Lisboa, Portugal; Radiology Department, Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Lisboa, Portugal. Electronic address: - - 2014
Partial nephrectomy (PN) is an accepted alternative to radical nephrectomy for nephron sparing surgery to treat renal tumors. Although complications are relatively rare after PN, they may include renal hemorrhage that can be massive and life threatening. Artery embolization can have a major role in the management of these cases ...
Mahnken Andreas H AH Department of Diagnostic and Interventional Radiology, University Hospital, Philipps-Marburg, Baldingerstraße, D-35043, Marburg, Germany, - - 2014
Chronic venous insufficiency (CVI) as an advanced stage of chronic venous disease is a common problem that occurs in approximately 1-5 % of the adult population. CVI has either a nonthrombotic (primary) or postthrombotic (secondary) cause involving reflux, obstruction, or a combination of both. The role of venous obstruction is increasingly ...
Kiessling Arndt-Holger AH Department of Thoracic and Cardiovascular Surgery, Goethe University Hospital Frankfurt am Main, Frankfurt am Main, - - 2014
Patients undergoing cardiac surgery presenting with chronic obstructive pulmonary disease (COPD) have a higher 30-day mortality risk. In these patients, pulmonary dysfunction linked to an inflammatory response is frequent after cardiac operations using cardiopulmonary bypass (CPB), which causes pulmonary hypoperfusion. We hypothesize that selective pulmonary perfusion (sPP) of the lungs ...
< 1 2 3 4 5 6 7 8 9 10 >