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Results 451 - 500 of 2036
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Hong S S Institute of Vision Research, Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Republic of - - 2012
Agmatine, an endogenous polyamine and putative neuromodulator, is known to have neuroprotective effects on various neurons in the central nervous system. We determined whether or not topically administered agmatine could reduce ischemic retinal injury. Transient ocular ischemia was achieved by intraluminal occlusion of the middle cerebral artery of ddY mice ...
Chatzikonstantinou A - - 2012
Background: The etiology of ischemic strokes remains cryptogenic in about one third of patients, even after extensive workup in specialized centers. Atherosclerotic plaques in the aorta can cause thromboembolic events but are often overlooked. They can elude standard identification by transesophageal echocardiography (TEE), which is invasive or at best uncomfortable ...
Lima Brian - - 2012
OBJECTIVES: An array of neuroprotective strategies has evolved to limit spinal cord injury during descending thoracic aneurysm and thoracoabdominal aortic aneurysm repair. This study prospectively assessed the neuroprotective impact of intrathecal papaverine added to other techniques in aortic aneurysm repairs. METHODS: From January 2002 to January 2010, 398 consecutive patients ...
Rydén Linda - - 2012
Objectives. To investigate the prognostic importance of acute kidney injury on early mortality, postoperative stroke, and mediastinitis in patients undergoing a first isolated coronary artery bypass grafting. Design. 7594 patients undergoing coronary artery bypass grafting with information on pre- and postoperative serum-creatinine values were included. Patients were classified using the ...
McKenna Alison - - 2012
Decompressive hemicraniectomy has been used increasingly in recent years to treat malignant middle cerebral artery territory infarction. This review examines functional outcome data, with the novel analysis of outcomes according to temporal periods post-surgery. Case series data were pooled to determine significant correlates of outcome. Severe disability was frequently the ...
Niclauss Lars - - 2012
Acute paraplegia could be a symptom of aortic dissection due to sudden compromise of arterial spinal cord blood supply. Complete spontaneous neurologic recovery is possible and was observed in the present case 3 hours after symptom onset. Spontaneous spinal cord reperfusion after acute type B dissection was probably due to ...
McMahon Greg S - - 2012
Simultaneous open surgery has been advocated in the elective management of abdominal aortic aneurysm patients with significant ischemic heart disease, as staged procedures risk worsening myocardial ischemia or aortic rupture, depending on which is the first intervention. The argument for combined aneurysm and valve repair is less established. We describe ...
Corfield Lorraine - - 2012
Steal syndrome after arteriovenous fistula formation for dialysis access can cause ischemic pain and tissue loss. This is an indication for surgical revision, usually either banding (or ligation) or the distal revascularisation and interval ligation procedure. However, banding is inexact, and distal revascularisation and interval ligation can further compromise the ...
Marzelle Jean - - 2012
This retrospective study analyzed the characteristics, potential risks, and therapeutic options of true aneurysms of the donor artery in arteriovenous fistulas (AVFs) for dialysis access. We retrospectively collected data of patients with aneurysmal degeneration (AD) after AVF creation from surgeons who were members of the French Society for Vascular Access, ...
Shalhub Sherene - - 2012
Blunt abdominal aortic injury (BAAI) is a rare injury with less than 200 cases in the current reported world literature, mostly in case report format. We sought to describe the experience of a high-volume trauma center and to provide a contemporary review of the literature to better understand the natural ...
Franz Randall W - - 2012
BACKGROUND: Upper-extremity arterial injuries are relatively uncommon, but they may significantly impact patient outcome. Management of these injuries was reviewed to determine incidence, assess the current management strategy, and evaluate hospital outcome. METHODS: Upper-extremity trauma patients presenting with arterial injury between January 2005 and July 2010 were included in this ...
Oderich Gustavo S GS Division of Vascular and Endovascular Surgery and Department of Radiology, Mayo Clinic, Rochester, MN, USA. - - 2012
The purpose of this study was to describe the incidence, management, and outcomes of mesenteric artery complications (MACs) during angioplasty and stent placement (MAS) for chronic mesenteric ischemia (CMI). We retrospectively reviewed the clinical data of 156 patients treated with 173 MAS for CMI (1998-2010). MACs were defined as procedure-related ...
Loh Yince - - 2012
Background and purposeSuccessful revascularization can often improve functional outcome after large intracranial arterial occlusions. However, incomplete or unsuccessful recanalization is often the end result after attempted mechanical thrombectomy. A study was undertaken to determine whether partial recanalization of proximal isolated middle cerebral artery (MCA) occlusions facilitates endogenous thrombolysis and spontaneous ...
Tam Matthew D B S - - 2012
Purpose: To present a case of aortic sac occlusion using an Amplatzer vascular plug II (AVP). Case report: A patient with sigmoid malignancy and an infrarenal aortic aneurysm ultimately required an axillobifemoral graft for acute limb ischemia. The sac was ligated at subsequent laparotomy. Persistent filling of the sac was ...
Kim Keun-Tae - - 2012
Although essential thrombocythemia (ET) may involve thrombotic complications, including arterial or venous thrombosis, there are no reports of major vascular complications, including both arterial and venous thrombosis, in a patient with ET. We report on a patient with a cerebral infarction affecting the right lateral thalamus and a stenotic lesion ...
Keshelava Grigol - - 2012
This article reports an unusual case of positional compression of internal carotid artery resulting in carotid thrombosis and stroke in a 37-year-old man. A patient was operated urgently for a free-floating thrombotic mass in the internal carotid artery. Open thrombectomy was performed in acute phase of stroke for prevention of ...
Harrison Seamus C - - 2012
Spinal cord ischemia (SCI) is a catastrophic complication of thoracoabdominal aortic aneurysm (TAAA) repair. This article describes our early experience with a technique for maintaining perfusion of segmental vessels (intercostals and lumbars) in the early postoperative period after endovascular repair of a TAAA, with "sac perfusion branches" added to custom-made ...
Tatum James - - 2012
Background and purposeThe three largest adult stroke trials investigating mechanical embolectomy retrieval devices in acute stroke (the Merci, Multi Merci and Penumbra Pivotal Stroke Trials) excluded children. There is a need to expand the literature on mechanical embolectomy in large vessel pediatric arterial ischemic stroke. This paper reports the use ...
Zhang Wei - - 2012
Many authors have reported on iatrogenic vertebral artery (VA) injury, but, to our knowledge, this is the first report of a dominant VA injury with compensatory blood flow from the hypoplastic VA. A 23-year-old woman with juvenile rheumatoid arthritis and atlantoaxial subluxation sustained injury to her dominant VA after occipitocervical ...
Czerny Martin - - 2012
Abstract Purpose: To test the hypothesis that simultaneous closure of at least 2 independent vascular territories supplying the spinal cord and/or prolonged hypotension may be associated with symptomatic spinal cord ischemia (SCI) after thoracic endovascular aortic repair (TEVAR). Methods: A pattern matching algorithm was used to develop a risk model ...
Chiesa R - - 2012
The aim of this study was to describe the technique and report our single center experience of abdominal aortic aneurysm (AAA) open surgical repair over the last 17 years. From 1993 to 2010, a total of 4347 open surgical procedures for repair of AAA were performed in our center. The ...
Setacci C - - 2012
The most efficient treatment for acute arterial embolism is operative embolectomy using Fogarty's balloon catheter, especially if a single large artery is involved. Unfortunately, although the early surgical success of arterial thromboembolectomy often seems acceptable, the early clinical outcome still remains unsatisfactory. This may be related to the incomplete restoration ...
Conway Allan M - - 2012
Abstract Purpose: To assess whether deployment of an endograft limb in the external iliac artery (EIA) increases the rate of limb occlusion following endovascular aneurysm repair (EVAR). Methods: Interrogation of a prospectively maintained database identified 661 patients (596 men; median age 73 years, range 37-93) with infrarenal abdominal aortic aneurysm who ...
Bical Olivier M - - 2012
We describe our surgical technique to manage a small aortic annulus during aortic valve replacement. Starting with the posterior annular enlargement incision described by Manouguian, a stentless porcine aortic root, with excision of the left and right porcine coronary segments and conservation of the mural wall (Freestyle MS design, Medtronic, ...
Honda Kentaro - - 2012
A 41-year-old man was urgently admitted with sudden onset of chest pain. Emergency coronary angiography revealed a large aneurysm of the sinus of Valsalva and reduced blood flow in the left coronary artery. A modified Bentall operation and coronary artery bypass were performed successfully. A large sinus of Valsalva aneurysm ...
Nichols Francis C - - 2012
The most common cause of cancer death is the development of metastatic disease. Thirty percent of patients eventually develop pulmonary metastases. Randomized control data supporting the commonly accepted practice of surgical pulmonary metastasectomy are lacking. This article focuses on the current surgical management of pulmonary metastases providing the reader with ...
Tuncer Altug - - 2012
Background: Total axilloaxillary cardiopulmonary bypass (CPB) is an alternative peripheral cannulation technique that has the advantages of antegrade flow during CPB, monohemispherical brain perfusion in case of circulatory arrest, and achieving excellent decompression of the heart during sternotomy. The results of this strategy, particularly beyond the immediately postoperative period, are ...
Firstenberg Michael S - - 2012
We present a case of a patient who underwent successful concomitant surgical management of his massive pulmonary embolism and severe multivessel coronary disease. His presentation with shortness of breath prompted a comprehensive evaluation, which revealed both problems. This experience emphasizes the importance of considering both problems, because treating one but ...
Wick Marius C - - 2012
Abstract Purpose: To present an initial peripheral application of the self-expanding, detachable, fully-retrievable Solitaire FR Recanalization Device for endovascular thrombectomy in the lower leg of a patient with acute peripheral limb ischemia. Case Report: A 79-year-old woman with a long history of peripheral arterial occlusive disease and a femoropopliteal bypass ...
Rajathurai Thirumaran - - 2012
An 80-year-old woman with a 20-mm Medtronic Hall (tilting-disc) aortic prosthesis presented with episodes of chest pain associated with circulatory collapse and subsequent rapid spontaneous recovery. A computed tomography angiogram demonstrated no evidence of aortic dissection, pulmonary embolus, or coronary artery disease. A transthoracic echocardiogram demonstrated a well-functioning prosthetic aortic ...
Rodríguez-Hernández Ana - - 2012
Although most ischemic strokes are thromboembolic in origin and their management is endovascular or medical, some are haemodynamic in origin and their management may be surgical. We reviewed bypass indications, patient selection and surgical techniques used in our current practice. Extracranial-intracranial (EC-iC) bypass with superior temporal artery-to-middle cerebral artery (STA-MCA) ...
Lee Woo Surng - - 2012
A coronary-bronchial artery fistula is a very rare congenital anomaly of the coronary artery whose etiology and pathogenesis have not yet been clarified. Most patients with coronary-bronchial fistulas are asymptomatic; however, some patients present with congestive heart failure, infective endocarditis, myocardial ischemia induced by a coronary steal phenomenon, or rupture ...
Koh Jun Seok - - 2012
In recent years, mechanical thrombectomy using Solitaire stent retrieval has been tried for treating acute ischemic stroke with a large artery occlusion. We systematically reviewed published articles to appraise the evidence that supports the safety and efficacy of the mechanical thrombectomy in acute strokes with Solitaire stent. Systematic searches using ...
Lee Deok Hee - - 2012
VerifyNow antiplatelet assays were performed before and after stenting for various cerebral artery stenoses to determine the effect of the procedure itself to the function of dual antiplatelets given. A total of 30 consecutive patients underwent cerebral arterial stenting procedure were enrolled. The antiplatelet pretreatment regimen was aspirin (100 mg ...
Oh Yul - - 2012
We present a case of successful retrieval of an intracranial stent using a snare wire. A 52-year-old woman presented with left border zone infarction. On cerebral angiography, the C6 segment of the left internal carotid artery (ICA) showed significant stenosis. We attempted stenting of the lesion, although stent dislodgement occurred ...
Kim Seong-Hyop - - 2012
Intracardiac thrombus during cardiopulmonary bypass (CPB) with full heparinization is very rare but fatal. A 60-year-old woman was scheduled for aortic and mitral valve repairs with a maze procedure for mixed aortic and mitral valvular heart disease with atrial fibrillation. Preoperative transthoracic echocardiography and cardiac computed tomography showed moderate aortic ...
Cai Zeng-Lin - - 2012
Brainstem auditory evoked potentials (BAEPs) have been used as a valuable neurophysiologic index of neuronal dysfunction in the level of the brainstem. BAEPs are also useful in subdividing evoked potentials into normal, slight, or pronounced in patients with vertebrobasilar insufficiency. We investigated the changes of BAEP after vertebrobasilar artery ischemia ...
Chiba Kiyoshi - - 2012
Atrial myxoma is the most common benign tumor of the heart. Patients who have atrial myxoma usually present with cardiac obstruction, arrhythmia, or peripheral embolization. We encountered an unusual case of acute upper extremity ischemia due to a massive atrial myxoma in a young man. A 38-year-old man was admitted ...
Wang Xiaohong - - 2012
Cerebral aneurysm is an irreversible dilatation causing intracranial haemorrhage with severe complications. It is assumed that the biomechanical factor plays a significant role in the development of cerebral aneurysm. However, reports on the correlations between the formation of intraluminal thrombus and the flow pattern, wall shear stress (WSS) distribution of ...
Nakagawa Ichiro - - 2012
Intravascular treatment of cavernous dural arteriovenous fistula (dAVF) is usually safe and effective. However, we describe a patient with a rare brainstem hemorrhage during transvenous embolization (TVE). A 79-year-old woman suffered from left chemosis and diplopia. Cerebral angiography revealed a left cavernous dAVF with cortical venous drainage. The patient underwent ...
Morancho Anna - - 2012
Aims: Rodent experimental models are essential for in vivo study of stroke. Our aim was to develop a reproducible method of mouse transient focal cerebral ischaemia by distal artery compression. Methods: The distal middle cerebral artery (dMCA) was occluded by compression with a blunted needle and cerebral blood flow was ...
Arvela Eva E Department of Vascular Surgery, Helsinki University Central Hospital, Helsinki, Finland. - - 2012
Single-segment great saphenous vein (ssGSV) is the conduit of choice in infrainguinal bypass for critical limb ischemia (CLI). The aim of this study was to assess results of other autologous vein grafts and risk factors for graft stenosis development and graft failure. The purpose was also to evaluate outcome of ...
Yoo Joonsang - - 2012
Background: Atherosclerosis is a systemic disease. Many ischemic stroke patients may have concomitant coronary artery disease (CAD). Detection and treatment of preclinical CAD in stroke patients may improve long-term outcome and survival because CAD is a major cause of death during follow-up in stroke patients. However, association between coronary and ...
Stöllberger Claudia - - 2012
Stroke in trisomy 21 may be due to cardioembolism, atherosclerosis, vasculitis, moyamoya disease, sinus venous thrombosis, internal carotid hypoplasia or infections like endocarditis with septic emboli, meningitis or brain abscess. In rare cases, however, stroke etiology remains unexplained. We present a 19 year old Caucasian girl with trisomy 21 with ...
Lin Chieh-Yu - - 2012
Semilunar valve malformations are common human congenital heart defects. Bicuspid aortic valves occur in 2-3% of the population, and pulmonic valve stenosis constitutes 10% of all congenital heart disease in adults (Brickner et al., 2000) [1]. Semilunar valve defects cause valve regurgitation, stenosis, or calcification, leading to endocarditis or congestive ...
Queiroz André Brito - - 2012
Endovascular techniques have shown to be useful in the management of vascular injuries because they transform a complex and potentially dangerous procedure into a safe one. We present the case of a 39-year-old man with congestive heart failure and abdominal bruit 11 years after an abdominal gunshot wound. Imaging studies ...
Seo Woo-Keun - - 2012
Although the association between elevated C-reactive protein (CRP) level and long-term outcome after ischemic stroke is well known, the association between CRP and early neurologic deterioration (END) has not yet been thoroughly studied. We investigated the impact of CRP on END in patients with acute ischemic stroke. From a prospectively ...
Ye Xuan - - 2012
We undertook a review of the anatomical changes of "choke" vessels between the internal thoracic artery (ITA) and deep inferior epigastric artery (DIEA), as highlighted by a case of aortoiliac occlusive disease (Leriche's syndrome), and discuss the physiological concepts observed with regard to surgical delay procedures within the abdominal wall ...
Bijuklic Klaudija - - 2012
OBJECTIVES: The objective of this study was to compare the cerebral embolic load of filter-protected versus proximal balloon-protected carotid artery stenting (CAS). BACKGROUND: Randomized trials comparing filter-protected CAS with carotid endarterectomy revealed a higher periprocedural stroke rate after CAS. Proximal balloon occlusion may be more effective in preventing cerebral embolization ...
Nikolaou K - - 2012
AIM: When reoperative cardiac surgery is indicated, detailed, three-dimensional imaging of the thorax permits accurate depiction of cardiac anatomy and vascular structures potentially increasing the safety of the surgical procedure. We sought to evaluate the contribution of dual-source multidetector-row computed tomography (DSCT) of the heart and thorax in planning repeated ...
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