Search Results
Results 451 - 500 of 2110
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Günther S - - 2012
INTRODUCTION: Pulmonary veno-occlusive disease (PVOD) is an uncommon form of pulmonary hypertension characterized by obstruction of small pulmonary veins. Pulmonary venous involvement has been reported in pathologic assessment of systemic sclerosis (SSc) patients presenting with precapillary pulmonary hypertension (SSc-precapillary PH). High resolution chest computed tomography (HRCT) is a non-invasive diagnostic ...
Aeron Gunjan - - 2012
Intracranial arterial aneurysms (IAAs) are rare in children. Nevertheless, IAAs account for at least 10%-15% of hemorrhagic strokes during the first 2 decades of life. Traditional vascular risk factors, which are common in the adult population, are generally absent in the pediatric population, engendering distinct modes of IAA pathogenesis. Classification ...
Kulwin Charles - - 2012
A cerebral dural arteriovenous fistula (DAVF) is an acquired abnormal arterial-to-venous connection within the leaves of the intracranial dura with a wide range of clinical presentations and natural history. The Cognard classification correlates venous drainage patterns with neurological course, identifying 5 DAVF types with increasing rates of symptomatic presentation. A ...
Mendonça Nuno - - 2012
: Dural arteriovenous fistulas (DAVFs) are important causes of neurological dysfunction and are many times misdiagnosed. Particularly in older populations, DAVFs may present with a selective cognitive dysfunction. : The authors describe a 70-year-old woman presenting with a rapidly progressive dementia, very similar in presentation to prion disease. Neuroimaging showed ...
Shimamura Junichi - - 2012
In the treatment of extended distal aortic arch aneurysms with open stent grafting, detailed preoperative minute evaluation is essential to determine the optimal operative strategy and reduce the incidence of complications. We describe a three-dimensional replica of a life-sized aortic arch aneurysm model for aiding preoperative assessments. Life-sized replicas of ...
Emery Robert W - - 2012
ABSTRACT: In the tradition of Dr Arom, who had many interests in his clinical and research career, I will touch on three things that will impact the practice of clinical cardiac surgery over the next several years: use of bilateral internal mammary arteries, use of external mesh support to improve ...
Yankovic Willy - - 2012
Visceral arterial aneurysm is a rare pathology. Currently, there are no sufficient data to support the superiority of surgical or endovascular treatment. The choice depends mainly on patient characteristics and the anatomy of the aneurysm. We present a case of a 12-cm fusiform aneurysm of the common hepatic artery. A ...
Uthoff Heiko - - 2012
Clinical condition, hostile anatomy, and previous heart/aortic surgery may preclude standard open surgery and standard endovascular interventions in patients with complex aortic pathologies. We report our initial experience using the transapical endovascular approach to treat a type IA endoleak after transfemoral endovascular graft repair for a contained rupture of a ...
Angiletta Domenico - - 2012
Aneurysms of the brachiocephalic trunk are rare but their clinical outcomes are potentially devastating; they include rupture, cerebral or arm ischemia secondary to thromboembolism, and compression of the surrounding structures. Although open repair has proven successful, it is associated with significant morbidity and mortality rates. Endovascular treatment, if anatomically feasible, ...
van der Boon Robert M - - 2012
Transcatheter aortic valve implantation (TAVI) is increasingly used to treat patients with aortic stenosis who are considered to be too high-risk for surgical replacement of the aortic valve. Although the procedural risks are decreasing, the occurrence of new conduction abnormalities remains a vexing issue. Both left bundle branch block and ...
Gross Bradley A - - 2012
Object The association of aneurysms and cerebral arteriovenous malformations is well established in the literature. Aside from a small number of case reports and small patient series, this association has not been well explored with cerebral dural arteriovenous fistulas (DAVFs). This study was designed to elucidate this relationship in the ...
Kwan Tak W - - 2012
The sheathless approach to transradial percutaneous coronary intervention (PCI) has recently gained popularity among interventionalists. However, technical problems and lack of approved equipment in the United States has limited its applicability. We describe a new approach, balloon-assisted sheathless transradial intervention (BASTI) that can ease the use of 5 Fr sheathless ...
Manoach Seth - - 2012
Traditional hemodynamic monitors such as pulmonary artery and central venous catheters provide continuous data and secure intravenous access, but their diagnostic efficacy has been criticized. Dynamic arterial waveform monitoring is promising, but studies suggest it is reliable only within narrow ventilation and rhythm parameters. Newer algorithm-based hemodynamic monitors have emerged; ...
Vadivelu Sudhakar - - 2012
The authors present the case of a patient who presented acutely with aneurysmal subarachnoid hemorrhage (SAH) and a contralateral iatrogenic dural arteriovenous fistula (DAVF). Diagnostic angiography was performed, revealing a right-sided middle cerebral artery (MCA) aneurysm and a left-sided DAVF immediately adjacent to the entry of the ventriculostomy and bur ...
Weidenhagen Rolf - - 2012
Open surgical repair of lesions of the descending thoracic aorta, such as aneurysm, dissection and traumatic rupture, has been the "state-of-the-art" treatment for many decades. However, in specialized cardiovascular centers, thoracic endovascular aortic repair and hybrid aortic procedures have been implemented as novel treatment options. The current clinical results show ...
Shah Sachin P - - 2012
Dobutamine stress echocardiography is a generally well-tolerated study to evaluate patients with suspected coronary artery disease. Rare but life-threatening complications of this study have been well described. Severe hypertensive responses are a known but uncommon adverse reaction to dobutamine infusion. The authors report a case of intracranial hemorrhage in the ...
Ellis Jason A - - 2012
Carotid-cavernous fistulas (CCFs) are vascular shunts allowing blood to flow from the carotid artery into the cavernous sinus. The characteristic clinical features seen in patients with CCFs are the sequelae of hemodynamic dysfunction within the cavernous sinus. Once routinely treated with open surgical procedures, including carotid ligation or trapping and ...
Litton E - - 2012
Advanced haemodynamic monitoring remains a cornerstone in the management of the critically ill. While rates of pulmonary artery catheter use have been declining, there has been an increase in the number of alternatives for monitoring cardiac output as well as greater understanding of the methods and criteria with which to ...
Rahatullah Arsalan - - 2012
Pulmonary hyalinising granulomas are rare, noninfectious fibrosclerosing lesions of the lung which can mimic metastatic disease. It was first described in literature by Engleman et al in the year 1977. Its etiology is unknown but they may be caused by an exaggerated immune response. The patient typically presents with cough, ...
Gonzalez L Fernando - - 2012
Object Multiple approaches have been used to treat carotid-cavernous fistulas (CCFs). The transvenous approach has become a popular and effective route. Onyx is a valuable tool in today's endovascular armamentarium. The authors describe the use of a balloon-assisted technique in the treatment of CCFs with Onyx and assess its feasibility, ...
Wong Chun Pong - - 2012
We present two cases of massive pulmonary embolism with persistent systolic hypotension but both have contraindications for thrombolysis. Therefore, rheolytic thrombectomy using AngioJet was performed and immediate haemodynamic improvement was achieved including blood pressure and symptoms. According to guidelines, catheter embolectomy or fragmentation may be considered as alternative to surgical ...
Yang Peng-Fei - - 2012
To evaluate the safety and efficacy of stent placement for the treatment of complex intracranial aneurysms. We searched six databases, including Pubmed, Embase, SCI-expanded, the Cochrane Library, ISI Proceedings and ProQuest Dissertations & Theses for the relevant studies using multiple key words from December, 1997 to February, 2009. Thirty-three studies ...
Hekmat Manochehr - - 2012
Asymptomatic pediatric pulmonic valve myxoma involving the right ventricular out flow tract (RVOT) is very rare. The case is presented of 13-year-old asymptomatic boy who was referred to the cardiology clinic for evaluation of murmur, and was found to have a large mobile mass (3 x 2 cm) in the ...
Battula N - - 2012
Polyarteritis nodosa (PAN) is a systemic necrotising vasculitis that could result in multifocal aneurysms of visceral arteries. Isolated multiple aneurysms of the hepatic arteries in the setting of PAN is extremely rare. Patients are typically asymptomatic and, very rarely, spontaneous rupture with life threatening haemorrhage could be the initial presentation ...
Shahabuddin Syed - - 2012
Following percutaneous intervention (PCI), restenosis, progression of disease and multi-vessel involvement may require further intervention in the form of surgical revascularization. Patients with coronary artery bypass grafting (CABG) done after PCI were evaluated to find out the reason for the need of surgical revascularization. Over a period of 12 months, ...
van der Voort Ella A M - - 2012
Popliteal vein aneurysm is a rare diagnosis, associated with a 70 % risk of pulmonary embolism, sometimes even with fatal evolution. Surgery dramatically reduces the risk of pulmonary embolism. We report a case of a 66-year-old man with recurrent pulmonary embolism and a giant popliteal venous aneurysm (9.3 × 4 ...
Patel Tejas - - 2012
Although right aortic arch (RAA) is a rare developmental anomaly, it can create a challenging anatomical situation while cannulating coronaries working through right transradial approach (TRA). We describe a rare adult patient with mirror-image RAA, whose coronary angiogram was performed through right TRA. We have also discussed the challenges encountered ...
Vats Hemender Singh - - 2012
Central venous catheters for hemodialysis remain an indispensable modality of vascular access in the United States. Despite strong recommendations by the NKF-KDOQI guidelines to reduce the dependence on catheters, >80% of all patients initiate hemodialysis using a central venous catheter. Although the tunneled dialysis catheters have some advantages, their disadvantages ...
Zhang Jingbo - - 2012
Objective: To report patients with intracranial wide-necked or complex aneurysms who underwent Solitaire stent-assisted coil embolization. Materials and Methods: Retrospective analysis of 28 patients with intracranial wide-necked or complex aneurysms. Eighteen of the patients presented with an acute subarachnoid hemorrhage. Thirty-one aneurysms were treated with the support of different applications ...
Sutter Francis P - - 2012
ABSTRACT: Coronary artery bypass grafting remains the treatment choice for coronary artery disease; but sternotomy, the most commonly used approach, compromises its benefits with postoperative morbidity, higher complication rates, and prolonged length of hospital stay. Despite this, minimally invasive and robotic-assisted technology has not been adopted or widely embraced because ...
Lee Kyung Ah - - 2012
Transvenous embolization has become the treatment of choice for carotid cavernous sinus fistula (CCSF). We report a case of coil embolization of CCSF using a superior ophthalmic vein (SOV) approach. We have used the SOV approach on 5 patients with dural arteriovenous fistulas involving the cavernous sinus. Diagnostic facial contrast-enhanced ...
Cohen José E - - 2012
Flow diverters constitute a new generation of flexible self-expanding, stent-like devices with a high-metal surface-area coverage for the endovascular management of wide-necked, fusiform, large, and giant unruptured intracranial aneurysms. They achieve aneurysm occlusion through endoluminal reconstruction of the dysplastic segment of the parent artery that gives rise to the aneurysm. ...
Patel Raj Ramabhai - - 2012
Carotid artery dissection is a cause of stroke, especially in young and middle-aged patients. A dissection occurs when there is an intimal tear or rupture of the vasa vasorum, leading to an intramural hematoma, which is thought to result from trauma or can occur spontaneously, and is likely multifactorial, involving ...
Collins Michael J - - 2012
Neointimal hyperplasia (NIH) in bypass conduits such as veins and prosthetic grafts is an important clinical entity that limits the long-term success of vascular interventions. Although the development of NIH in the conduits shares many of the same features of NIH that develops in native arteries after injury, vascular grafts ...
Archer R M - - 2012
Six horses from several geographical locations in New Zealand presented with signs of guttural pouch mycosis. All horses had experienced epistaxis within 14 days of presentation. In five horses with epistaxis, a diagnosis of guttural pouch mycosis was made on endoscopic observation of fungal plaques in the affected guttural pouches. ...
Kanakis Meletios A - - 2012
We describe a woman with tetralogy of Fallot and pulmonary atresia, with a history of four previous cardiac operations, who decided to bear her own children. Under interdisciplinary counselling and the appropriate medical care, she underwent a successful vaginal delivery and had a healthy baby.
Hadizadeh Dariusch R - - 2012
The purpose of this study was to investigate the prevalence of incidental deep venous thrombosis (DVT) in patients with clinically suspected peripheral arterial occlusive disease (PAOD) using contrast-enhanced MR angiography (MRA) with a blood pool contrast agent. Two hundred fifty-nine MRA examinations with blood pool contrast agent in 245 consecutive ...
Vaickus Louis J - - 2012
Objectives. The aim of this study is to define the kinetics of the pulmonary inflammatory response in cockroach allergen (CRA) sensitized and challenged outbred mice. Methods. Asthma-like pulmonary inflammation was induced with three pulmonary exposures to CRA, without the use of adjuvants. Mice were sacrificed at multiple time points and ...
Nonga Bernadette Ngo - - 2012
Acute aortic dissection is very uncommon in pregnant women and the acute type A aortic dissection carries a high mortality rate outside specialized centres. There are a few cases reported with successful outcomes for the mother and the foetus from major cardiac centres. We are reporting our first experience of ...
Powerski Maciej Janusz - - 2012
OBJECTIVES: A survey was conducted to give an overview about the practice of radioembolization in malignant liver tumors by European centers. METHODS: A questionnaire of 23 questions about the interventional center, preinterventional patient evaluation, the radioembolization procedure and aftercare were sent to 45 European centers. RESULTS: The response rate was ...
Ogawa Tatsuya - - 2012
We treated a 77-year-old woman diagnosed with severe aortic stenosis, who had undergone catheter ablation for paroxysmal supraventricular tachycardia at the age of 62. Although the patient remained in sinus rhythm, she had been receiving Coumadin with a target INR level of 2.0 since that time. Preoperative coronary angiography revealed ...
Varol Yelda - - 2012
Objective: To investigate the frequency and significance of pulmonary nodules in patients with colorectal cancer (CRC). Subjects and Methods: Medical records of 1,344 patients with CRC who underwent thoracic computerized tomography scans between January 2003 and December 2009 were reviewed. Those with any distant metastatic disease or who were already ...
Shiraishi Manabu - - 2012
A secondary aortoenteric fistula is a relatively rare complication of abdominal aortic reconstruction. The clinical manifestation of aortoenteric fistula is usually upper gastrointestinal bleeding. We report a patient who developed acute aortic occlusion following chronic cellulitis, which is an uncommon finding. A 50-year-old man with a history of aortobifemoral bypass ...
Hwang Yang-Ha - - 2012
ObjectivesIschemic stroke from acute intracranial distal internal carotid artery (ICA) occlusion usually carries a poor prognosis. Despite the intra-arterial revascularization therapies, the results are still unsatisfactory. The aim of this study was to compare the outcomes between two endovascular techniques, the modified Penumbra System (mPS) and mechanical clot disruption (MCD), ...
Hori Daijiro - - 2012
A 68 year old man was admitted to our hospital with dysphagia and back pain. Contrasted computed tomography showed "Shaggy aorta" forming a saccular descending aortic aneurysm with edematous esophagus. Low density area in the intramuscular layer of the esophagus suggested the possibility of connection between the esophagus and the ...
Sahlein Daniel H - - 2012
Object Nidal embolization of brain arteriovenous malformations (bAVMs) has become an increasingly important component of bAVM treatment. However, controversy exists as to the relative efficacy and safety of single-stage versus multistage approaches to bAVM embolization, with recent literature favoring multistage strategies. The authors present a series of consecutive bAVMs embolized ...
Santos-Franco J A - - 2012
The type of venous drainage of a direct carotid-cavernous fistula is an important issue to consider for the endovascular therapeutic decision. In case of an inadequate posterior drainage associated with a good anterior drainage, the facial vein is a useful alternative. The exclusive embolization with ethylene vinyl alcohol (EVOH Onyx), ...
Mackey Jason J Department of Neurology, Indiana University, Indianapolis, Indiana 46202, USA. - - 2012
Familial predisposition is a recognized nonmodifiable risk factor for the formation and rupture of intracranial aneurysms (IAs). However, data regarding the characteristics of familial IAs are limited. The authors sought to describe familial IAs more fully, and to compare their characteristics with a large cohort of nonfamilial IAs. The Familial ...
Georgakarakos Efstratios - - 2012
Abdominal Aortic Aneurysms (AAAs) are focal dilation of the aorta that can lead to excessive enlargement and rupture over time. Current practice suggests intervention when the maximum diameter exceeds 5.5cm, since in this diameter range the annual rupture risk outweighs the operative mortality. However, small AAA (<5.5cm), though infrequently, may ...
Madaj Paul M - - 2012
Coronary computed tomographic angiography (CTA) is a valuable tool for assessing coronary artery disease (CAD). Although statin use is widely recommended for persons with diabetes older than age 40, little is known about the presence and severity of CAD in younger patients with diabetes mellitus (DM). We evaluated coronary artery ...
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