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Results 251 - 300 of 1269
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Byrum E P - - 2009
Thunderclap headache is a sudden, high-intensity headache often associated with subarachnoid hemorrhage secondary to a ruptured intracerebral aneurysm. A variety of less common causes have now been described. This report presents the cases of 2 patients who experienced thunderclap headache after regrowth of an aneurysm, without hemorrhage of previously coiled ...
Desai Sohum - - 2009
CT angiography (CTA) is increasingly being utilized in the initial diagnosis of subarachnoid hemorrhage. While active bleeding from an intracranial aneurysm has been demonstrated on conventional angiography, CT angiogram findings of active aneurysmal hemorrhage are not well described. We present a case of an actively bleeding anterior communicating artery aneurysm ...
Bhatt Archit - - 2008
OBJECTIVE: Intra-arterial therapies are being used more frequently in patients presenting with acute cerebral occlusions, but they have been limited by the potential for hemorrhage. We sought to determine whether pretreatment computed tomography perfusion parameters might help to identify patients at a higher risk of developing intracranial hemorrhage after intra-arterial ...
Conti Alfredo - - 2008
Intra-arterial Nimodipine administration can be an effective alternative to papaverine or balloon angioplasty for the treatment of cerebral vasospasm refractory to medical therapy. It has been used for intractable vasospasm due to aneurysmal subarachnoid haemorrhage (SAH) with convincing results and no significant complications in small case series. This report describes ...
Gay C C - - 2009
Systemic alterations induced by a Bothrops alternatus hemorrhagin, named baltergin, a 55kDa fibrinogenolytic metalloproteinase isolated from venom of north-eastern Argentina specimens, were studied in mice. It caused macroscopic hemorrhagic spots in lungs which was injected intravenously with a minimum pulmonary hemorrhagic dose of 10microg. Histological observations of lungs showed mainly ...
Pennings Frederik A - - 2009
BACKGROUND AND PURPOSE: The role of the cerebral microcirculation in delayed ischemia after subarachnoid hemorrhage remains obscure. To test the hypothesis that cerebral arterioles have a reduced capacity to dilate after subarachnoid hemorrhage, we studied the microvascular responses to papaverine (PPV) in patients undergoing aneurysm surgery. Method- In 14 patients ...
Koutsias S - - 2008
A case of a woman that had been transferred to our hospital in hemorrhagic shock secondary to post partum hemorrhage due to uterine atony, automatic abortion and extended vaginal lacerations has been described. Subtotal hysterectomy had already been performed but failed to control bleeding. The authors performed on table blind ...
Wang Ze-hou - - 2008
Massive hemorrhage from infected anastomosed site between the graft artery and the external iliac artery is one of the most serious complications of renal transplantation. Clinically, it is a rare but fatal occasion. We reported here one case of hemorrhage with infection in the iliac artery anastomosed site treated successfully ...
Davagnanam I I Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery; London, - - 2008
Coexisting cerebral vein thrombosis and aneurysmal disease in the setting of acute subarachnoid hemorrhage is rare. We present the case of a 62 year-old woman presenting to our institution with an episode of collapse with a transient loss of consciousness with a 24 hour history of occipital headache. Imaging demonstrated ...
Kramer Andreas H - - 2009
INTRODUCTION: Bilateral pulmonary infiltrates occur frequently following aneurysmal subarachnoid hemorrhage (SAH), and may be associated with worse outcomes. The etiology, natural history, and prognosis of infiltrates occurring soon after SAH may differ from the characteristics of infiltrates developing at a later time. METHODS: We performed a retrospective cohort study involving ...
Jestaedt Leonie - - 2008
OBJECTIVE: Vasospasm of the cerebral vessels remains a major source for morbidity and mortality after aneurysmal subarachnoid hemorrhage (SAH). The purpose of this study was to evaluate the frequency of infarction after transluminal balloon angioplasty (TBA) in patients with severe subarachnoid hemorrhage-related vasospasm. METHODS: We studied 38 patients (median Hunt ...
Platz Johannes - - 2008
INTRODUCTION: Various endovascular techniques can be used to treat cerebral vasospasm after aneurysmal subarachnoid haemorrhage (SAH) including intra-arterial administration of vasodilator drugs such as papaverine or nicardipine and balloon dilatation of the affected vessel segment. Papaverine is known to have side effects, and we report a possible new one. MATERIALS ...
Pezzini Alessandro - - 2008
Cerebral amyloid angiopathy (CAA) is defined by the accumulation of amyloid in the walls of small-and medium-sized cerebral arteries. One of the most recognized complications of CAA is spontaneous, often recurrent, intracerebral hemorrhage, usually involving the cortex and/or subcortical white matter ("lobar hemorrhage"). Several useful animal and in vitro models ...
Lee Jin Soo - - 2008
Numerous studies have compared the characteristics of familial intracranial aneurysms with those of non-familial aneurysms. To better understand familial subarachnoid hemorrhage (SAH), we studied a series of patients with SAH who had at least one first-degree relative with SAH, and compared our results with those of previous studies. We identified ...
Kwon Jae-Hyun - - 2008
Intraorbital hemorrhage is a rare clinical condition caused by orbital trauma, surgery around the orbit, intraorbital vascular abnormalities, and neoplasm. It was reported to occur spontaneously without any known causes and in association with orbital pseudotumor in a very few cases. A 59-year-old, female patient admitted with sudden onset of ...
Altman David A - - 2008
OBJECTIVE AND IMPORTANCE: An intracranial aneurysm that hemorrhages into the subintimal layer of the blood vessel is a rare clinical entity. Such a hemorrhage is distinct from dissecting aneurysms or pseudoaneurysms of the cerebral circulation and may represent an aneurysm in the process of rupturing. The authors report their experience ...
Gump William - - 2008
Permanent neurologic injury and death remain common outcomes following aneurysmal subarachnoid hemorrhage. Although many sophisticated techniques are evolving for securing intracranial aneurysms to prevent rebleeding, progress is lagging in the management of posthemorrhagic complications, particularly cerebral vasospasm. Vasospasm can be defined either angiographically, by visible reduction in arterial lumen diameters, ...
Rosenblum William I - - 2008
Cerebral hemorrhage in hypertensive patients is still an important source of morbidity and death. Understanding its underlying pathological basis is essential for the development of fact-based attempts to prevent the hemorrhage. Fibrinoid necrosis and miliary aneurysms are associated with and are the probable underlying causative lesions. Unfortunately much misunderstanding and ...
Rim Nae-Jung - - 2008
Meningioma rarely manifests as a subarachnoid hemorrhage (SAH), and invasion directly into a major intracranial artery is extremely rare. To the best of our knowledge, meningioma presenting with an SAH associated with major intracranial arterial invasion has never been reported. We present a case of sphenoid ridge meningotheliomatous meningioma manifesting ...
Lansberg Maarten G MG Neurology and Neurological Sciences, Stanford University, Palo Alto, California 94304, USA. - - 2008
Perimesencephalic subarachnoid hemorrhage (SAH) is a relatively benign form of SAH. The etiology of this condition is unknown but venous leakage has been believed to be the most likely cause. This report describes a patient with perimesencephalic SAH who presented with a concurrent acute pontine infarct demonstrated on diffusion-weighted magnetic ...
Tang Wei-Hua WH Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Chongqing, - - 2008
Cerebral vasospasm has been the dreaded complication of ruptured intracranial aneurysms. Worldwide effort has led to many promising experimental treatments but none was confirmed to be effective in clinical trials. Ecdysterone is an insect steroid hormone. Our previous study showed that ecdysterone might prevent cerebral vasospasm in vitro. Even after ...
Hattingen Elke - - 2008
INTRODUCTION: The aim of this study was to evaluate autoregulatory mechanisms in different vascular territories within the first week after aneurysmal subarachnoid haemorrhage (SAH) by perfusion-weighted magnetic resonance imaging (PW-MRI). For this purpose, regional cerebral blood flow and volume (rCVF and rCBV) were measured in relation to different degrees of ...
Purkayastha S - - 2008
The most frequent persistent embryonic communication between the vertebrobasilar and carotid systems in adult life is a persistent trigeminal artery (PTA). Several anatomic variants of PTA have been described. The other associations of PTA mainly include aneurysm and vascular steal phenomena between basilar and carotid systems. We describe an interesting ...
Romano Jose G - - 2008
BACKGROUND AND PURPOSE: The determinants of ischemic complications in subarachnoid hemorrhage (SAH) are not well defined. The objective of this study is to evaluate the role of microemboli in SAH-related cerebral ischemia. METHODS: Forty patients with aneurysmal SAH were monitored with transcranial Doppler (TCD) for the presence of embolic signals ...
Park Ik-Seong - - 2008
The present study describes modifications to the endovascular filament model of subarachnoid hemorrhage (SAH) in rats. Specifically, we sought to improve the percentage yield of SAH, reduce mortality rates and better simulate human cerebral aneurysmal rupture. Instead of using a 4-0 prolene suture to induce SAH in the existing endovascular ...
Dizdarevińá Kemal - - 2008
Intracranial aneurysmal rupture is the common cause of spontaneous subarachnoid haemorrhage (SAH). This haemorrhage is typically diffuse and located in extracerebral subarachnoid space in which main cerebral arterial branches are situated. The intimate and long-term contact of arterial wall and blood products in the closed space causes the cerebral vasospasm ...
Liu Wei-Hsiu - - 2008
There are many reasons for hypotension in trauma patients. Life-threatening hemorrhage associated with maxillofacial trauma is considered rare. Here, we present a 25-year-old patient with maxillofacial trauma complicated by life-threatening hemorrhage after a traffic accident. At the emergency department, massive epistaxis was noted. Nasal packing and blood transfusion were performed, ...
Matsuyama Takeshi - - 2008
OBJECTIVE: Acute gastric dilatation (AGD) is a very rare entity which can sometimes be life-threatening. We report a case of a patient presenting with a rupture of a BCA during the treatment of AGD. METHOD: A 24-year-old woman, who had a history of bulimia and vomiting episodes, was transferred in ...
Mayer Thomas E - - 2008
Two patients with refractory symptomatic cerebral vasospasm after aneurysmal subarachnoid hemorrhage (SAH) were treated by continuous intra-arterial nimodipine infusion via a catheter placed in the internal carotid artery or vertebral artery for 3 and 12 days, respectively. Recovery of the neurological deficits, normalization of MR perfusion, a decrease in the ...
Yamakawa Haruki - - 2008
OBJECTIVE: The precise etiology of perimesencephalic nonaneurysmal subarachnoid hemorrhage (P-SAH) has not yet been determined. We decided to compare the venograms of patients with P-SAH with those of patients with aneurysmal SAH (A-SAH) to examine the relationship between P-SAH and venous drainage patterns. METHODS: We retrospectively studied 18 patients with ...
Mahindu Antony - - 2008
A significant body of literature on aneurysmal subarachnoid haemorrhage has emerged from Finland. The Finnish source from a small founding population, rather than from a wide heterogeneous source such as used for other populations, suggests the need for caution when attempting to generalise using Finnish data. This study aims to ...
Matsumoto Yasushi - - 2008
Intracranial arterial dissections of the vertebrobasilar system are recognized as a cause of stroke. Although the pathogenic mechanism underlying this phenomenon is unknown, in some cases the stroke originates from subarachnoid hemorrhage, while in others ischemia is the cause. In cases where hemorrhage occurs, occlusion of the lesion is effective ...
Komotar Ricardo J - - 2008
Cerebral vasospasm is one of the leading causes of morbidity and mortality after aneurysmal subarachnoid hemorrhage. Despite maximal medical therapy, however, up to 15% of patients surviving the ictus of subarachnoid hemorrhage experience stroke or death from vasospasm. For those cases of vasospasm that are refractory to medical treatment, endovascular ...
Suhara S - - 2008
A 27-year-old patient presented with severe headache and seizures about a month after the initial head trauma. Computed tomography (CT) brain scan revealed acute subdural bleed continuous into the interhemispheric region, with no subarachnoid haemorrhage. This was due to rupture of a traumatic pericallosal artery aneurysm. This represents a rare ...
Kwon Jae-Hyun - - 2008
Hydrocephalus is a common sequelae of aneurysmal subarachnoid hemorrhage (SAH) and patients who develop hydrocephalus after SAH typically have a worse prognosis than those who do not. This study was designed to identify factors predictive of shunt-dependent chronic hydrocephalus among patients with aneurysmal SAH, and patients who require permanent cerebrospinal ...
Nakstad P Hj PH Department of Neuroradiology, Division of Medical Service, Ullevål University Hospital & University of Oslo, - - 2008
Subarachnoid hemorrhage following severe trauma to the head is relatively common. In most cases the bleed originates from superficial veins and occasionally from arteries. Following the replacement of cerebral angiography with CT in the diagnostic evaluation of head traumas fewer traumatic aneurysms have been observed. This may indicate that some ...
Hänggi D - - 2008
BACKGROUND AND PURPOSE: The efficacy of intra-arterial administration of nimodipine (IAN) in patients with severe vasospasm after aneurysmal subarachnoid hemorrhage (SAH) remains unproved. The goal of the present study was to investigate the clinical effect and cerebral perfusion after IAN in patients with severe vasospasm refractory to hemodynamic treatment. MATERIALS ...
Ali Youssef - - 2008
OBJECTIVE: To analyze the impact of the lunar cycle and season on the incidence of aneurysmal subarachnoid hemorrhage (SAH). PATIENTS AND METHODS: The medical records of 111 patients who were admitted over a 5-year period to our department because of aneurysmal SAH were retrospectively reviewed. The date of aneurysm rupture ...
Seçkin Hakan - - 2008
Increasing evidence implicates voltage-dependent sodium and potassium channels, in addition to calcium channels of various types, in the pathophysiological development of cerebral vasospasm. This study investigated the ability of LTG, an antiepileptic drug with multi-ion channel inhibition properties, to prevent cerebral vasospasm and subsequent neural ischemia in a rabbit model ...
Jestaedt Leonie - - 2008
OBJECTIVE: Vasospasm of the cerebral vessels remains a major source for morbidity and mortality after aneurysmal subarachnoid hemorrhage. The purpose of this study was to evaluate the frequency of infarction after transluminal balloon angioplasty (TBA) in patients with severe subarachnoid hemorrhage-related vasospasm. METHODS: We studied 38 patients (median Hunt and ...
Watson Ian D - - 2008
BACKGROUND: Spectrophotometry of cerebrospinal fluid (CSF) for bilirubin is the recommended method for investigation in suspected cases of subarachnoid haemorrhage (SAH), when a computed tomography (CT) of the head is negative for blood. There is a potential need for a simpler alternative. Measurement of CSF ferritin might fulfil this need. ...
Kashimura Hiroshi - - 2008
Wide exposure of lesions during the subtemporal approach often leads to temporal lobe injury caused by excessive retraction. A brain retraction technique using gelatin sponge pieces was developed to minimize intraoperative brain retraction during the subtemporal approach. After aspirating cerebrospinal fluid and slackening the temporal lobe, 2-3 pieces of gelatin ...
Hong Tao - - 2008
OBJECT: The gap junction is important in the propagation of dilation/constriction signals along vessels for coordinated behavior in control of vascular tone. The authors hypothesized that gap junctions might play a role in cerebral vasospasm following subarachnoid hemorrhage (SAH). The aims of the present study were to investigate the role ...
Kim Jae-Hoon - - 2008
Post-clipping intraparenchymal hemorrhage of the contralateral hemisphere is a very unusual phenomenon in a patient with aneurysmal subarachnoid hemorrhage, unless there is an underlying condition. We report a complicated case of 47-year-old man, who underwent uneventful clipping of ruptured aneurysm and experienced vasospasm two weeks later. Vasospasm was treated by ...
Daenekindt Thomas - - 2008
BACKGROUND: The cause of perimesencephalic nonaneurysmal SAH or PMH is not known. Earlier studies reported a possible contribution of a primitive variant of the BVR in the pathogenesis of PMH. We compared the variants of BVR in a case control study between patients with PMH and aneurysmal SAH by studying ...
Ehrlich Edwin - - 2008
The most common cause of basal cerebral subarachnoid hemorrhage (SAH) is rupture of a cerebral artery aneurysm, but most reported series of SAH include cases where no aneurysm could be found. This would have no forensic relevance if all basal SAH would result from spontaneous ruptures of pathological blood vessels, ...
Hagihara Naoshi - - 2008
A 48-year-old woman presented with simultaneous aneurysmal subarachnoid hemorrhage (SAH) and remote intracerebral hemorrhage manifesting as sudden onset of severe headache, left hemiparesis, and diplopia. Emergent computed tomography revealed localized SAH in the interpeduncular cistern, and a remote brainstem hematoma in the right dorsolateral tegment. Neuroimaging found no signs of ...
Osanai Toshiya - - 2008
BACKGROUND: In moyamoya disease, intracranial bleeding is known to occur because of the rupture of saccular aneurysms in the circle of Willis or because of the rupture of dilated, fragile moyamoya vessels. The former causes subarachnoid hemorrhage (SAH), and the latter causes intracerebral or intraventricular hemorrhage. CASE DESCRIPTION: In this ...
Fraticelli Amanda Tarabini - - 2008
BACKGROUND AND PURPOSE: Attempts to reverse cerebral vasospasm (CVS) after aneurysmal subarachnoid hemorrhage (aSAH) rely on a limited number of treatments. Calcium channel blockers have proven a benefit but their vasodilating effect on spastic cerebral arteries is relatively modest. Milrinone, a phosphodiesterase inhibitor, combines vasodilating and inotropic properties, but limited ...
Matsubayashi Rie - - 2008
Swelling of the right ankle and purpura on the bilateral lower extremities of a 6-year-old boy indicated a diagnosis of Henoch-Schönlein purpura (HSP). The patient was referred to our hospital because of severe abdominal pain that was unresponsive to prednisolone. Respiratory symptoms and pulmonary infiltrates on chest X-ray were absent ...
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