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Results 51 - 100 of 1367
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Zhang Chi - - 2011
It has been widely observed that atherosclerotic stenosis occurs at sites with complex hemodynamics, such as arteries with high curvature or bifurcations. These regions usually have very low or highly oscillatory wall shear stress (WSS). In the present study, 3D sinusoidally pulsatile blood flow through the models of internal carotid ...
Karamanakos Petros N - - 2011
OBJECTIVE: To analyze the impact of factors known after admission on mortality attributable to aneurysmal subarachnoid hemorrhage (SAH) resulting from saccular intracranial aneurysm (IA). METHODS: Data of 1657 consecutive patients admitted alive within 24 hours after aneurysmal SAH to Kuopio Neurosurgery during the years 1980-2007 from a defined population were ...
Haygood T M - - 2011
AIM: To report 11 cases of central venous access catheters migrating from the superior vena cava to the azygos vein in order to raise radiologists' awareness of this possibility. MATERIALS AND METHODS: This is a retrospective review of the clinical history and imaging of 11 patients whose central line migrated ...
Zheng Zhe - - 2011
OBJECTIVE: This study was undertaken to delineate outcomes and to assess risk factors for in-hospital mortality among Chinese patients undergoing coronary artery bypass grafting. METHODS: From 2007 to 2008, a total of 9838 consecutive adult patients undergoing coronary artery bypass grafting were enrolled in the Chinese Coronary Artery Bypass Grafting ...
Lippi Giuseppe - - 2011
The pathogenesis of acute thrombosis, either arterial or venous, is typically multifactorial and involves a variety of factors that may be considered relatively "innocuous" when present alone. When someone is unlucky enough to accumulate several risk factors, compounded in many cases by one or more acute triggers, that person may ...
Seetharaman Santhosh - - 2011
This article outlines the case of a 62-year-old man who presented with a deep vein thrombosis, pulmonary embolus and right middle cerebral artery territory ischaemic stroke in association with a patent foramen ovale with right-to-left shunting. Despite anticoagulation, he was noted to have desaturation and tachypnoea when upright, without other ...
Ebaugh James L - - 2011
An isolated external iliac artery chronic total occlusion is currently treated either with subintimal percutaneous transluminal angioplasty and stent or with a bypass. This article describes a new application of an old technique, endarterectomy and patch angioplasty, performed on the external iliac artery through a single flank incision. This novel ...
Akyol Yakup - - 2011
ABSTRACT: An aberrant subarcuate artery and its related canal are rare. The presence of this variation has a surgical significance, that is, risk of hemorrhage, if accidentally nicked. It is therefore important to be aware of this entity, and its relative anatomy, to avoid any untoward complication. We present a ...
Uhm Jae-Sun - - 2011
Coronary artery bypass graft (CABG) intervention, particularly anastomosis site intervention, is challenging for interventional cardiologists. A paclitaxel-eluting balloon catheter (SeQuent Please) is a recently-introduced device capable of delivering paclitaxel homogeneously into the targeted vessel wall. We herein report our experience with two cases. In the first case, coronary angiography showed ...
Bordei Petru - - 2012
The study was performed on 461 renal arteries in order to assess some morphological aspects regarding the arteries that supply the superior renal segment using as study methods: dissection, injection of contrast medium, injection of plastic followed by corrosion together with the examination of MRI and renal angiographies (simple and ...
Barr R G - - 2012
Airflow obstruction is an independent risk factor for cardiovascular events in the general population. The affected vascular bed and contribution of emphysema to cardiovascular risk are unclear. We examined whether an obstructive pattern of spirometry and quantitatively defined emphysema were associated with subclinical atherosclerosis in the carotid, peripheral and coronary ...
Yang Eric Y EY Section of Atherosclerosis & Vascular Medicine, Department of Internal Medicine, Baylor College of Medicine, Houston TX, - - 2012
Ultrasound measurements of arterial stiffness are associated with atherosclerosis risk factors, but limited data exist on their association with incident cardiovascular events. We evaluated the association of carotid ultrasound-derived arterial stiffness measures with incident coronary heart disease (CHD) and ischemic stroke in the Atherosclerosis Risk in Communities (ARIC) study. Carotid ...
Bhavsar Tapan - - 2011
Accelerated epicardial coronary artery atherosclerosis has been well-documented in cocaine users. There are only two reported cases of cocaine-associated diffuse intimal expansion by proliferated smooth muscle cells causing significant coronary luminal compromise. This type of lesion histologically resembled chronic transplant arteriopathy. Here, we report a third such case.
Hamilton-Craig Christian R - - 2012
Coronary CT angiography and coronary calcium scoring offer a new approach to the diagnosis of coronary artery disease (CAD). They hold significant promise in improving patient outcomes, through identification of atherosclerosis and improved risk assessment. Coronary calcium scoring has proven predictive value concerning the occurrence of future cardiovascular events and ...
Zwadlo Carolin - - 2011
Anomalies of the coronary arteries are commonly associated with congenital heart disease (CHD). Anomalies include variations in number, shape, and location of the origin, as well as the course of the coronary artery. An intramural course of one of the coronary arteries is a rather rare condition. Most cases of ...
Ocak G - - 2011
Whether the risk of both venous and arterial thrombosis is increased in dialysis patients as compared to the general population is unknown. In addition, it is unknown which subgroups are at highest risk. Furthermore, it is unknown whether having a history of venous thrombosis or arterial thrombosis prior to dialysis ...
Emaminia Abbas - - 2011
Coronary artery aneurysms larger than 5 cm are exceedingly rare, and a standard treatment for them is lacking. We report two cases of giant right coronary artery aneurysms successfully treated by off-pump resection of the aneurysm and bypass grafting. The controversy surrounding the proper management of such cases is discussed.
Ozyol Ali - - 2011
The potential early predictive value of microalbuminuria (MA) in the estimation of atherosclerosis and the relation between the degree of urinary albumin excretion and the extent of coronary artery disease (CAD) were investigated. Patients (n = 159) with stable angina pectoris and angiographically significant stenosis in at least 1 of ...
Takemoto Clifford M - - 2011
The incidence of venous thromboembolism (VTE) is increasing in the pediatric population. Individuals with cystic fibrosis (CF) have an increased risk of thrombosis due to central venous catheters (CVCs), as well as acquired thrombophilia secondary to inflammation, or deficiencies of anticoagulant proteins due to vitamin K deficiency and/or liver dysfunction. ...
Andreou A Y - - 2011
We present the case of a 76-year-old patient in whom coronary angiography, performed due to non-ST-segment elevation myocardial infarction, revealed an isolated single coronary (SCA) artery with dual right coronary artery (RCA) distribution. One RCA arose from the mid segment of the left anterior descending (LAD) artery and followed a ...
Hasan David M - - 2011
Chronic inflammation is postulated as an important phenomenon in intracranial aneurysm wall pathophysiology. This study was conducted to determine if aspirin use impacts the occurrence of intracranial aneurysm rupture. Subjects enrolled in the International Study of Unruptured Intracranial Aneurysms (ISUIA) were selected from the prospective untreated cohort (n=1691) in a ...
Ota Takahiro - - 2011
Abstract We report an intriguing case of carotid-ophthalmic artery (OA) aneurysm surgery, in which the visual evoked potential (VEP) wave diminished during temporary OA occlusion. VEP waves suddenly disappeared after clipping, and repositioning of the clip restored blood flow to the OA and recovered the VEP wave.
Pino Paolo Giuseppe - - 2011
Congenitally corrected transposition of the great arteries (CCTGA) is a rare disease accounting for 0.5-1.4% of patients with congenital heart disease. In this congenital cardiopathy, the left atrium is connected to the right ventricle, from which the aorta stems. We present a case of an adult with CCTGA associated with ...
Ma Hao - - 2011
Sufficient length of the proximal landing zone (PLZ) is the key for a successful thoracic endovascular aortic repair (TEVAR) of an aortic lesion. The aim of this research was to investigate the safety, feasibility, efficacy, and problems of endovascular repair for aortic dissection with insufficient PLZ. The clinical data between ...
Muraoka Arata - - 2011
We experienced a case with a remnant of a fractured guidewire in the coronary artery. Surgical removal of the total wire by manual traction was unsuccessful. The wire was then cut near the right coronary orifice, and its proximal portion was removed. Cardiac interventionists should recognize that percutaneous coronary intervention ...
Tanoue T - - 2011
Hemodynamic stimulation has been suggested to affect the growth of cerebral aneurysms. The present study examined the effects of intra-aneurysmal hemodynamics on aneurysm growth. Velocity profiles were measured for 2 cases of AcomA aneurysms. Realistically shaped models of these aneurysms were constructed, based on CT angiograms. Flow fields and WSS ...
Mughal N A - - 2011
A cyclist reported gradual onset, bilateral leg claudication without any atherosclerotic risk factors and with a normal vascular examination. Duplex ultrasound and magnetic resonance angiography revealed bilateral focal stenoses due to coralline plaques of the common femoral arteries (CFAs) but normal proximal and distal vasculature. A surgical endarterectomy with vein ...
Li Jianrong - - 2011
Saphenous vein grafts continue to be the backbone of daily coronary revascularization practice, but controversy still exists about whether to use them as an individual or sequential graft. We undertook a systematic review and meta-analysis of cohort studies to compare the midterm or long-term patency of sequential vein coronary bypass ...
Quinn Colin - - 2011
Cervical artery dissection is a common cause of stroke in young patients without vascular risk factors and may affect the carotid or vertebral arteries. The risk of spontaneous dissection is higher in those with genetic predisposing factors while other cases may be precipitated by an event involving head or neck ...
Shu C - - 2011
SA aneurysm (SAA) accounts for up to 50% to 75% of all visceral artery aneurysms associated with a high mortality rate of 25% in case of aneurysm rupture. It is the third most common intra-abdominal aneurysm following those of the aorta and the iliac arteries. The incidence of SAA varies ...
Mazzoccoli G - - 2011
Recent epidemiological studies have highlighted higher risk of subsequent development of atherosclerotic disease in patients with deep venous thrombosis (DVT). We evaluated the Flow Mediated Dilation (FMD) looking for arterial endothelial dysfunction, predictive for future ischaemic cardiovascular events, in patients with idiopathic DVT. FMD was measured in the brachial artery ...
Hoshina K - - 2011
Endovascular aneurysm repair (EVAR) was first approved in Japan in 2007. In order to avoid the learning curve generally seen in the initial stages of implementation, we have aimed for procedural perfection. As the proximal type I endoleak (EL) is associated with a higher risk of late conversion and rupture, ...
Moon Joon-Shik JS Peripheral Neurology Research Laboratory, Mayo Clinic, Rochester, MN 55905, - - 2011
Diabetes mellitus (DM) is associated with an increased prevalence of peripheral arterial disease and medial arterial calcification (MAC), possibly related to prevalence and severity of diabetic polyneuropathy (DPN). To assess the prevalence, risk covariates, and implication of MAC in a controlled study of healthy subjects and patients with DM. Masked ...
Bani-Hani Mohamed G - - 2012
Infected popliteal aneurysm is a rare high-risk condition that can present as an emergency with acute rupture and sepsis. Management of acute ischemia in the presence of local and systemic sepsis is challenging. Open surgery is not always possible and carries a high risk of morbidity and death. An endovascular ...
Hutchison Richard L - - 2011
Arterial thrombosis in the upper extremity occurs often at the wrist. We report a unique case of thrombosis that involved multiple digital arteries, without radial or ulnar artery involvement, which developed only after using tamoxifen despite chronic occupational blunt percussive hand use. Revascularization was achieved after thrombectomy. Multiple digital arterial ...
Siddiqui Arsalan - - 2011
Following carotid revascularization with either carotid endarterectomy or stenting, the impaired cerebral autoregulation can lead to cerebral hyperperfusion syndrome. This impaired autoregulation and increased flow may also put patients with unruptured aneurysms at risk for subarachnoid hemorrhage in the perioperative period. A patient is reported who underwent carotid endarterectomy for ...
Plichart Matthieu - - 2011
OBJECTIVES: We sought to address the respective association between carotid intima-media thickness (IMT) in plaque-free sites and plaques with coronary heart disease (CHD) and their usefulness for CHD risk prediction in the Three-City Study. METHODS: At baseline, 5895 CHD-free adults aged 65-85 years underwent a bilateral ultrasound examination of carotid ...
Fairbairn Timothy A - - 2011
Transcatheter Aortic Valve Implantation (TAVI) for patients with severe Aortic Stenosis (AS) at a high-operative risk has been demonstrated to improve mortality compared to standard medical therapy. Registry data and the PARTNER trial have shown a significant risk of stroke (3-5%) following the procedure. Studies using cerebral Diffusion-Weighted Magnetic Resonance ...
Vijayvergiya Rajesh - - 2011
Anomalous origin of the coronary artery from opposite coronary sinus is infrequently observed during coronary angiography. Percutaneous coronary intervention (PCI) of anomalous coronary artery is technically difficult and challenging. It requires appropriate selection of guide catheters for adequate stability, coaxial alignment and backup support during the intervention. We hereby report ...
Norman Paul E - - 2011
The normal aortic diameter in adults usually ranges from 16 to 18 mm in women and 19 to 21 mm in men. Individuals with diameters outside this range seem to be at increased risk of other cardiovascular disease. There is a graded association between increasing aortic diameter and both cardiovascular ...
Yoshitomi Tomoyuki - - 2011
Pulmonary sequestration is defined as nonfunctional lung tissue that lacks communication with the bronchial tree and that is supplied by an anomalous systemic vessel. In comparatively rare cases, pulmonary sequestration may lead to hydrothorax or hydrops fetalis, which is nearly universally fatal. In this report, we describe a case of ...
Kinoshita Takeshi - - 2011
Background- We compared the outcomes in propensity score-matched high-risk patients (European System for Cardiac Operative Risk Evaluation [EuroSCORE] ≥5) undergoing off-pump coronary artery bypass graft surgery using bilateral or single skeletonized internal thoracic artery (ITA). Methods and Results- Of 794 consecutive patients undergoing isolated coronary artery bypass graft surgery (788 ...
Carrilho-Ferreira Pedro - - 2011
Although the prevalence of rheumatic fever has greatly decreased in developed countries, rheumatic mitral stenosis still causes significant morbidity and mortality. Symptomatic patients have a poor prognosis, with a 0 to 15% 10-year survival rate, particularly if percutaneous or surgical intervention are contraindicated or considered high risk. We present a ...
Işıkay Canan Togay - - 2011
We present a case of transient ischemic attack (TIA) as an extremely rare presentation of cerebral vein thrombosis. A 41-year-old man presented with a headache and episodes of hypoesthesia on his left side lasting approximately 30 minutes. Several vascular risk factors were remarkable in his medical history. The neurologic examination ...
Boutouyrie Pierre - - 2011
Arterial stiffness has emerged as an important marker of cardiovascular risk in various populations and reflects the cumulative effect of cardiovascular risk factors on large arteries, which in turn is modulated by genetic background. Arterial stiffness is determined by the composition of the arterial wall and the arrangement of these ...
Qian Y - - 2011
BACKGROUND AND PURPOSE:The decision as to the treatment of incidental IAs is complex. There are no certain quantitative methods that can be used to evaluate the risk of rupture in IAs. In recent years, CFD technology has been recognized as a potential risk-analysis tool. The aim of this article was ...
Lad Shivanand P - - 2011
Abstract Objective and importance. In rare instances, patients who are undergoing evaluation for temporal lobe epilepsy surgery will also be found to have an incidental aneurysm adjacent to the temporal lobe. Although busy epilepsy centers will eventually come across cases like this, to our knowledge there are currently no publications ...
Ye C - - 2011
OBJECTIVE: The aim of the study is to summarise our experience of endovascular stent grafting for Stanford type A aortic dissection. DESIGN: Retrospective analysis at single centre. METHODS: From January 2001 to January 2009, we treated 45 cases of Stanford type A aortic dissection with endovascular stent grafting. The entry ...
Sørensen Henrik T - - 2011
Background-Heart diseases increase the risk of arterial embolism; whether they increase the risk of pulmonary embolism without peripheral venous thrombosis is less certain.Methods and Results-We conducted a nationwide, population-based case-control study in Denmark using patients diagnosed with pulmonary embolism and/or deep venous thrombosis between 1980 and 2007. We computed odds ...
Miller John A - - 2011
Certain coronary anomalies are associated with high risk features. We sought to determine the diagnostic accuracy of coronary computed tomographic angiography (CTA) in determining high-risk features, particularly intramural segments. Anomalous coronary arteries can be associated with adverse clinical events. Anomalous coronaries that course between the great vessels (interarterial) have been ...
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