Search Results
Results 301 - 350 of 1615
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Najib Mohammad Q - - 2011
Although rare, periprosthetic valvular regurgitation can cause hemolytic anemia. We present the case of a 63-year-old man who had an unusual presentation of hemolytic anemia due to periprosthetic mitral valve regurgitation (PMVR) in the presence of cold agglutinins. Due to high surgical risk, PMVR was percutaneously closed with three Amplatzer ...
Tessitore Nicola - - 2011
Guidelines recommend systematically screening for stenosis using various methods, but no studies so far have compared all of the options. A prospective blinded study was performed to compare the performance of several bedside tests performed during dialysis in diagnosing angiographically proven >50% fistula stenosis. In an unselected population of 119 ...
Kharrat Ilyes - - 2011
We present a case of congenital coronary artery anomalies combining the absence of the circumflex artery, ectopic origins of left anterior descending and diagonal arteries and abnormal courses of these vessels. These rare anomalies were detected during an elective coronary angiography in a patient with stable angina that was related ...
Calcaterra Domenico - - 2011
Abstract  Reduction ascending aortoplasty has been advocated as a possible alternative to traditional graft replacement for treatment of aneurysms of the ascending aorta and root. We report a case of a 58-year-old Jehovah's Witness female, with a 5.5-cm ascending aortic aneurysm and critical aortic stenosis. She underwent aortic valve replacement ...
Ruparelia Neil - - 2011
Abstract  We describe a case of mitral valve aneurysm associated with concomitant aortic valve endocarditis. Aneurysms appear as a localized saccular bulge of the anterior leaflet into the left atrium and thus are often misdiagnosed as mitral valve prolapse, myxomatous mitral valve, or atrial myxoma. The presentation and management of ...
Greenhouse David G - - 2011
Abstract  Behçet's disease is a rare autoimmune vasculitis that may cause coronary artery aneurysms. We discuss the evaluation and management decisions for a 19-year-old female with a giant rapidly expanding aneurysm of the proximal left anterior descending coronary artery and Behçet's disease. (J Card Surg 2011;**:**-**).
Maeda Koichi - - 2011
Abstract  Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare cardiac disorder characterized by replacement of myocytes with adipose and fibrous tissue and often presents with ventricular arrhythmia, heart failure, and sudden death. This report describes a 67-year-old man with ARVC complicated with severe mitral regurgitation, dilated annulus of the tricuspid ...
Voth V - - 2011
Coronary artery aneurysms (CAA) in adults are rare. However, the natural history of CAA is unknown since in adults it is predominantly atherosclerotic in origin. The clinical presentation, prognosis and management of giant CAA are not well defined due to limited experience and the low incidence of CAA. We present ...
Kourliouros Antonios - - 2011
Operations on the proximal aorta for aneurysms and dissections almost invariably involve the use of an aortic conduit. The optimal method for safe and effective conduit to the coronary anastomosis has been a matter for debate. Although the modified Bentall procedure with use of ostial aortic "buttons" may provide superior ...
Klisch J - - 2011
BACKGROUND AND PURPOSE: The PED is a new endoluminal construct designed to exclude aneurysms from the parent cerebrovasculature. We report the very late (>1 year) thrombosis of PED constructs in 2 patients. RESULTS: Two patients with very large fusiform basilar trunk aneurysms underwent parent artery reconstruction with the PED. Both ...
Natsis Konstantinos - - 2011
Studies on the origin of the superior thyroid artery, define that it could originate either from the external carotid artery, (at the level of common carotid bifurcation), or from the common carotid artery. However, there is a classical anatomic knowledge that the superior thyroid artery is a branch of the ...
Tessitore Nicola - - 2011
Given different sites of stenosis and access blood flow rates (Qa), the criteria for diagnosing fistula stenosis might vary according to anastomotic site. To test this, we analyzed the database of a prospective blinded study seeking an optimal bedside screening program for fistula stenosis. Several methods used during dialysis (physical ...
Peres Ferraz de Melo A - - 2011
With 2 figures The anatomosurgical segmentation of the arteries of the spleen was studied in 31 deer of the species Mazama gouazoubira and Blastocerus dichotomus by means of vascular injection with latex and vinyl acetate and radiographic examination. The arteria lienalis penetrated through the hilus lienis in 87% of the ...
Bello Sean Oz - - 2011
Coronary artery bypass grafting is one of the most outstanding surgical achievements of the 20th century. Over its 50-year history patient outcomes have become excellent owing to technical refinements, myocardial protection, the use of antiplatelet and anticholesterol drugs, and the continued search for better conduits. The performance of conduits used ...
Kainuma S - - 2011
A 51-year-old man was referred to our institution for patent ductus arteriosus (PDA) complicated by left ventricular dysfunction and pulmonary hypertension. Surgical closure of a PDA is usually carried out via a small posterior thoracotomy. However, thoracoscopic procedures are probably not appropriate in adults because of the frequency of calcification ...
Jenkins Melanie - - 2011
Endobronchial valves are increasingly used as a treatment modality as a less invasive alternative to lung volume reduction surgery in patients with severe emphysema. Endobronchial valves have also been used to treat patients with persistent pulmonary air leaks and those with bronchopleural fistulae. We report a case of a 61-year-old ...
Marin D - - 2011
Expanded polytetrafluoroethylene sutures have been used for the replacement of chordae tendineae since 1985, especially for mitral valve prolapse. There are only a few reports of artificial chordae tendineae to treat tricuspid valve regurgitation. We report on a 72-year-old woman in NYHA class III preoperatively, who underwent successful tricuspid valve ...
Demirpolat Gulgun - - 2011
PURPOSE: The aim of this study was to determine the accuracy of color Doppler ultrasound (CDUS) for endoleak detection and measurement of the aneurysm diameter after endovascular aortic aneurysm repair. METHODS: Forty-eight CDUS and computed tomographic angiography (CTA) examinations performed concurrently on 29 patients who were treated with endovascular stent ...
Gorenflo Matthias - - 2011
Pulmonary artery banding usually is performed as a palliative procedure. In patients with elevated pulmonary vascular resistance and complex congenital heart disease, it may not be possible at the time of surgery to obtain sufficient restriction to optimize the patient for further treatment; additional restriction may be needed in time. ...
Noh Young - - 2011
Rotational vertebral artery syndrome (RVAS) is characterized by recurrent attacks of paroxysmal vertigo, nystagmus, and ataxia induced by head rotation. We report on a patient who developed atypical RVAS due to compression of the vertebral artery (VA) terminating in the posterior inferior cerebellar artery (PICA). A 59-year-old man suffered from ...
Collet Carlos - - 2011
Percutaneous treatment of bifurcations with conventional (straight) stents has been associated with complex procedures and poor clinical outcomes. Also, several limitations including side branch ostial gap, excessive metal density in the parent vessel, incomplete stent apposition, and stent distortion/disruption have been reported with current techniques. Dedicated bifurcation stents have been ...
Saba Luca - - 2011
Splenic artery aneurysm is the most frequent visceral artery aneurysm and rupture of the aneurysm is associated with a high mortality rate. It is important to discriminate between a true aneurysm and a pseudoaneurysm that may be caused by pancreatitis, iatrogenic and postoperative causes, trauma and peptic ulcer disease. Multidetector-row ...
Porhomayon Jahan - - 2011
We report a case of an adult male who had received a gunshot to the abdomen 12 years earlier. He presented with manifestations of high-output congestive heart failure (CHF), aortic regurgitation (AR), and pulmonary septic embolism. Further investigation revealed an aortocaval fistula (ACF). Following endovascular repair of the ACF, we observed ...
Pujara Kushal - - 2011
Perforation and disruption of the artery used for access is a recognized complication of coronary angiography. There is an increasing trend toward use of the radial artery for angiography and angioplasty, particularly in the primary angioplasty setting, because of the reduced risk of hemorrhagic complications. On the rare occasions when ...
Chien Aichi - - 2011
BACKGROUND:: The risk of aneurysm rupture appears to be related to multiple factors such as topology, morphology, size, peri-aneurysmal environment, and blood flow hemodynamics. Objective: To evaluate aneurysm morphology and quantitatively compare the volumetric parameters between ruptured and unruptured aneurysms from our clinical database at UCLA Medical Center. METHODS:: Novel ...
Wu Zhi-Xian - - 2011
Abstract Background: Recently a considerable number of promising clinical trials have been designed to perform infusion of stem cells by pancreatic arterial intervention to improve the endocrine function of the pancreas for better diabetes control. It is necessary to investigate the pancreatic body and tail (PBT) arterial system for human ...
Capestro Filippo - - 2011
The case of a 2-year-old infant admitted to our Institution with a diagnosis of severe aortic valve stenosis is presented. After a balloon valvuloplasty with no results in terms of gradient reduction, an echocardiogram showed a moderate mitral regurgitation. The patient underwent surgical repair of both the aortic and mitral ...
Kim Hyung Joong - - 2011
Renovascular hypertension is an uncommon disease, but it causes 5-10% of all childhood hypertension. The most common cause of renal artery stenosis is fibromuscular dysplasia, resulting in at least 60% of renovascular hypertension cases. This report describes a case of a renal artery stenosis confirmed by multidetector computed tomographic angiography.
Lopes Ricardo - - 2011
Anomalous origin of the left coronary artery from the pulmonary artery is a rare congenital anomaly with a mortality of 90% in the first year of life, if not surgically corrected. Adult presentation of the anomalous origin of the left coronary artery from the pulmonary artery syndrome is extremely rare ...
Nijenhuis R J - - 2011
SUMMARY: We present a patient undergoing spinal angiography and suspected of having an AVM. During the first injection of nonionic contrast, a nidal AVM supplied by the great anterior radiculomedullary artery at T9 left was found. The second injection at T9 left no longer showed the contrast filling of the ...
Jurga Juliane - - 2011
Microemboli observed during coronary angiography can cause silent ischemic cerebral lesions. The aim of this study was to investigate if the number of particulate cerebral microemboli during coronary angiography is influenced by access site used. Fifty-one patients with stable angina pectoris referred for coronary angiography were randomized to right radial ...
Aguilaniu Bernard - - 2011
Blood sampling from the arterialized earlobe is widely used in clinical exercise testing but Fajac et al. (Eur. Respir. J. 11:712-715,1998) have shown that arterialized () is not a valid surrogate for . In the present study, in order to detect disturbances in pulmonary gas exchanges during clinical exercise testing ...
Goto Taichiro - - 2011
T tube insertion for subglottic stenosis is often difficult due to bending of the T tube itself. A T tube could be inserted safely and consistently in a patient with severe subglottic stenosis employing a method that we newly devised. Our method can be performed under local anesthesia without special ...
Santini Francesco - - 2011
Objective: Acute lung injury still accounts for postoperative mortality after cardiopulmonary bypass (CPB). The safety and the efficacy of pulsatile pulmonary perfusion (PPP) during CPB were analyzed. Preliminary results of the first PPP trial in human beings are reported. Methods: Thirty low-risk coronary artery bypass grafting (CABG) patients were prospectively ...
Napolitano R - - 2011
A previous study suggested that the lower uterine artery pulsatility index (PI) is a better predictor of pre-eclampsia than is either the mean or higher indices. The aim of this study was to assess the relative value of these three indices for the prediction of pre-eclampsia in the first trimester ...
Setyapranata Stella - - 2011
Objective: To determine the late incidence of pulmonary arteriovenous malformations after bidirectional Glenn in patients with azygos continuation of the inferior vena cava (Kawashima operation). Methods: From 1990 to 2006, 21 patients underwent a Kawashima procedure at a median age of 2.3 years (0.5-8 years). Underlying anatomy included atrioventricular septal ...
Rankin J Scott - - 2011
OBJECTIVE: A need exists for a stable annuloplasty method for aortic valve repair. On the basis of a "hemispherical" model of aortic valve geometry, a prototype annuloplasty frame was constructed and initially tested. Specific goals were to develop a clinically applicable transaortic implant technique and to evaluate the system in ...
Chan Jasper F W - - 2011
We report a rare case of multiple myeloma presenting with native aortic valve endocarditis with secondary embolic mycotic abdominal aortic aneurysm, contiguous paraspinal and iliopsoas abscesses, and pneumonia due to Streptococcus pneumoniae in a Chinese man. He was treated with aortic valve replacement, endovascular stenting of aneurysm, image-guided drainage of ...
Houeijeh Ali - - 2011
OBJECTIVE:: Although evidence exists that n-3 polyunsaturated fatty acids may improve the outcome in patients with severe respiratory failure, little is known regarding their pulmonary circulatory effects. This question is clinically relevant in respiratory failure associated with pulmonary hypertension, in particular in newborn infants with persistent pulmonary hypertension. The objective ...
Núñez-Gil Iván J - - 2011
Prosthesis deterioration rate, years after a previous surgical valve replacement, is rising. Usually, the standard management is reoperation, but for very high risk patients an alternative has arisen: the valve-in-valve approach. We present an 84-year-old Caucasian woman with a mitral bioprosthesis (Mosaic II, number 29) since 1994. Over the last ...
Friedman Steven G - - 2011
The presence of bilateral iliac aneurysms extending to the iliac bifurcations, in conjunction with an abdominal aortic aneurysm, complicates endovascular repair because of the difficulty of preserving one or both hypogastric arteries. Several open techniques have been suggested for hypogastric preservation, but they usually involve some type of anatomic or ...
Dhakam Sajid - - 2011
A 22-year old male presented with acute inferior wall myocardial infarction. Coronary angiogram revealed normal left coronary arteries and a giant coronary aneurysm in Right coronary artery (RCA). Primary angioplasty of RCA was performed. Large thrombus burden was retrieved with aspiration device and coronary flow restored. However, despite best efforts ...
Hayward Philip A R - - 2011
The Radial Artery Patency and Clinical Outcomes Study (RAPCO) was devised and implemented in Melbourne in order to establish the appropriate place of the radial artery in the hierarchy of conduits available to the modern coronary bypass surgeon. Designed as a biological comparison with minimisation of other confounding variables, it ...
Staudacher Dawid L - - 2011
Shear stress can enhance differentiation of human embryonic stem cells (hESC) to vascular cells. We tested the hypothesis that intra-arterial hESC injection will lead to arteriogenesis while intramuscular injection will have no effect on vascularization. The superficial femoral arteries were excised on both hind limbs in athymic rats. hESC (2×10(6)) ...
Hedegard Wade C - - 2011
To determine the significance of spectral Doppler hepatic artery waveforms obtained in the first 10 days after primary liver transplantation and to determine the best early predictor of hepatic arterial thrombosis (HAT). A total of 645 patients were retrospectively followed up to 1 year after liver transplantation. Doppler waveforms of ...
Chen Wei - - 2011
Meso-Rex bypass is a surgical procedure for managing extrahepatic portal vein obstruction in children. Although duplex sonography has been used for assessing the patency of the bypass graft and the changes in the intrahepatic portal venous system after the surgery, there was little sonographic description of functioning and dysfunctioning bypass ...
Capoccia Laura - - 2011
Atheromatous plaques are dynamic structures undergoing continuous remodeling. Duplex ultrasound is now an accepted technique to classify the severity of arterial stenoses. It gives information about the ultrasonic echogenicity of tissue, the plaque surface and the velocity of blood flowing through vessels with the latest equipment. We report the case ...
Konala Bhaskar Chandra - - 2011
Hemodynamic endpoints such as flow and pressure drop are often measured during angioplasty procedures to determine the functional severity of a coronary artery stenosis. There is a lack of knowledge regarding the influence of compliance of the arterial wall-stenosis on the pressure drop under hyperemic flows across coronary lesions. This ...
Yoshino H H Department of Neurosurgery, Yamaguchi University School of Medicine, Yamaguchi, - - 2011
A 60-year-old man with direct carotid cavernous fistula (CCF) due to a motor vehicle accident underwent internal carotid artery trapping following high-flow external carotid to internal carotid artery bypass (EC-IC bypass). Follow-up angiography revealed ipsilateral complex indirect cavernous arteriovenous fistula. Although the traumatic indirect CCF angioarchitecture differs from cavernous-sinus dural ...
Delgado Victoria - - 2011
Accurate aortic root measurements and evaluation of spatial relationships with coronary ostia are crucial in preoperative transcatheter aortic valve implantation assessments. Standardization of measurements may increase intraobserver and interobserver reproducibility to promote procedural success rate and reduce the frequency of procedurally related complications. This study evaluated the accuracy and reproducibility ...
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