Search Results
Results 251 - 300 of 1228
< 1 2 3 4 5 6 7 8 9 10 11 >
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 ...
Schebesch Karl-Michael - - 2008
OBJECTIVE: Well-documented case reports of the rapid formation and rupture of de novo aneurysms of the posterior circulation are rare. CLINICAL PRESENTATION: We report a patient with subarachnoid hemorrhage caused by an aneurysm of the anterior communicating artery that was clipped consecutively. Forty-four days after the initial subarachnoid hemorrhage, the ...
Jadhav Vikram D - - 2008
BACKGROUND: Delayed cerebral ischemia due to cerebral vasospasm remains a major cause of morbidity and mortality following subarachnoid hemorrhage. Oxyhemoglobin (OxyHb) and vasoconstrictor prostanoids have been suggested as putative spasmogens. We have previously reported a synergistic vasoconstrictive action between thromboxane A(2) (TXA(2)) and OxyHb. In the present study we examine ...
Oto Jun - - 2008
We present a case of a 33-year-old woman with Kabuki syndrome (KS) presenting with Henoch-Schönlein purpura (HSP). She was admitted to our hospital with a brain abscess in the lateral ventricle and meningitis. She had been diagnosed with KS. Skin eruptions had appeared on her lower extremities, with arthralgia, cough, ...
Pluta R M - - 2008
Nitric oxide (NO), also known as endothelium-derived relaxing factor, is produced by endothelial nitric oxide synthase (eNOS) in the intima and by neuronal nitric oxide synthase (nNOS) in the adventitia of cerebral vessels. It dilates the arteries in response to shear stress, metabolic demands, pterygopalatine ganglion stimulation, and chemoregulation. Subarachnoid ...
Badilla Jaime - - 2008
We report a case of intracerebral hemorrhage in the left frontal lobe following a left medial wall orbital decompression for thyroid-related optic neuropathy. There was no obvious fracture in the orbital roof bone but the hemorrhage was felt to occur from a disruption in the orbito-frontal branch of the anterior ...
Ayer R E - - 2008
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating neurological event that accounts for 3-7% of all strokes and carries a mortality rate as high as 40%. Delayed cerebral vasospasm has traditionally been recognized as the most treatable cause of morbidity and mortality from SAH. However, evidence is mounting that the physiological ...
Lehmann E - - 2008
Cerebral vasospasm is a major cause of cerebral ischemia and poor outcomes in the setting of aneurysmal subarachnoid hemorrhage (SAH). Despite advances in diagnosis and treatment of SAH, the pathophysiology of vasospasm is still poorly understood and outcomes remain disappointing. Recent advances in understanding the role of hemoglobin in initiating ...
Yurt Alaattin A Department of Neurosurgery, ─░zmir Training and Research Hospital, ─░zmir, - - 2008
Aneurysms of the complex of the anterior cerebral artery are frequently associated with anatomic variations of the circle of Willis. We describe a case of aneurysmal rupture of the anterior communicating artery, a variant of the anterior cerebral artery. The aneurysm appeared to be situated on this vessel proximal to ...
Lee Guen Young - - 2007
We report a patient with sequential intracerebral hematoma in bilateral basal ganglia after an aneurysmal subarachnoid hemorrhage. A 55-year-old woman presented with sudden loss of consciousness without a past history of hypertension. Subarachnoid hemorrhage secondary to a ruptured anterior communicating artery aneurysm was seen on initial CT and an intracerebral ...
Gonzalez Nestor R - - 2007
OBJECT: The goal in this study was to create an index (vasospasm probability index [VPI]) to improve diagnostic accuracy for vasospasm after subarachnoid hemorrhage (SAH). METHODS: Seven hundred ninety-five patients in whom aneurysmal SAH was demonstrated by computed tomography, and in whom one or more intracranial aneurysms had been diagnosed, ...
Bandeira A A Neuroradiology resident, Centro Hospitalar de Lisboa, Zona Central, Hospital de São José; - - 2007
There are currently no consensus criteria to define the dosage of intra-arterial Nimodipine to be used to obtain permanent remission of vasospasm secondary to subarachnoid haemorrhage. The purpose of this paper is to establish a mathematical relation between the number of vessels affected by this kind of vasospasm and the ...
Trimble Jason L - - 2007
OBJECTIVE: To evaluate the evidence for use of hydroxymethylglutaryl coenzyme A reductase inhibitors (statins) for the prevention and management of cerebral vasospasm after aneurysmal subarachnoid hemorrhage (aSAH). DATA SOURCES: Literature searches were conducted using MEDLINE (1966-July 2007) and the Cochrane Database (2007, Issue 2). Search terms included HMG-CoA reductase inhibitors, ...
Ro Ayako - - 2008
A 58-year-old male with untreated hypertension was found dead in his car after a traffic accident on his way to the office. Emergency head CT showed diffuse subarachnoid hemorrhage at cerebral base. On autopsy examination, traumatic injuries were seen on his face and lower extremities. The skull was not fractured ...
Manos Daria - - 2007
Pulmonary hemorrhage is a relatively common complication of blunt chest trauma. Occasionally, it may result from pulmonary barotrauma after scuba diving or from sports activities not associated with barotrauma such as long breath-hold diving. We report a case of symmetric diffuse upper lobe hemorrhage resulting from a bungee jump in ...
Gilad R - - 2007
Acute spontaneous subdural hematoma without the presence of a subarachnoid hemorrhage as a result of a ruptured aneurysm is rare. We present the case of a patient with an aneurysm of the intrasellar anterior communicating artery that caused hemorrhage solely into the subdural space. The hemorrhage then migrated down the ...
Lewis Stephen B - - 2007
OBJECT: Aneurysmal subarachnoid hemorrhage (ASAH) is a serious event with grave consequences. Delayed ischemic neurological deficits caused by cerebral arterial vasospasm contribute significantly to death and disability. Biomarkers may reflect brain injury and provide an early warning of impending neurological decline and stroke from ASAH-induced vasospasm. Alpha-II spectrin is a ...
Usui Keiko - - 2007
We report a case of a 69-year-old man with Schönlein-Henoch purpura who developed diffuse pulmonary hemorrhage. He complained of dyspnea and hemoptysis while he was treated with steroids for gastroenteropathy associated with Schönlein-Henoch purpura. The drop in his hemoglobin levels and diffuse ground-glass opacity at all levels of the lung ...
Feletti A - - 2007
Aneurysms of the vein of Galen are uncommon vascular malformations. They are most frequently seen in infants and children, leading to heart failure and hydrocephalus. Exceptionally, they are detected in adults. Several theories have been proposed to explain hydrocephalus in these patients: obstruction of the cerebral aqueduct, impaired absorption of ...
Katoh Masahito - - 2007
BACKGROUND: Cerebral amyloid angiopathy is a well-known disease that is predominantly recognized in elderly people and repeatedly causes large subcortical hemorrhages. These hemorrhages may be derived from vessel wall weakness because of Abeta depositions in the wall of the cortical and leptomeningeal arteries. Although vessel ruptures in CAA have been ...
Wang Shou-Jen - - 2008
Cerebral artery fenestration refers to a division in the lumen of an artery leading to two distinct endothelium-lined channels. At the site of turbulent flow, fenestration may predispose to an aneurysm formation. In this study, a 45-year-old woman suffered an acute vertiginous attack after cervical manipulation. The MRI scan demonstrated ...
Marshman Laurence A G - - 2007
OBJECTIVE: Widespread fibrotic obliteration of the spinal subarachnoid space after cerebral aneurysmal subarachnoid hemorrhage (SAH) is rare. CLINICAL PRESENTATION: A 57-year-old woman presented with the gradual development of a spastic paraparesis. Two years earlier, she experienced a cerebral aneurysmal SAH that was successfully managed with endovascular coiling. However, the SAH ...
Krischek Boris - - 2007
Vasospasm following subarachnoid hemorrhage (SAH) remains difficult to prevent despite extensive investigative efforts. Nicardipine prolonged-release implants (NPRIs) have been used to prevent vasospasm in patients with SAH since October 1999. The present study analyzed the efficacy and safety of NPRIs in 100 patients with SAH and thick subarachnoid clot (mainly ...
Kotlus Brett S - - 2007
A 31-year-old intoxicated woman self-enucleated her left eye during an acute psychotic episode. CT revealed avulsion of the intracranial optic nerve, chiasmal edema, and adjacent subarachnoid hemorrhage. Exploration via transconjunctival orbitotomy was performed, and the globe and 4.8 cm of contiguous optic nerve were removed. The patient developed postoperative contralateral ...
Fontanella Marcomaria - - 2008
OBJECTIVE: The aim of this study was to verify the presence of angiographic vasospasm in patients with transcranial Doppler (TCD) of high velocities after subarachnoid hemorrhage (SAH). METHODS: Seven hundred and eighty-six cases admitted within 48 hours after SAH due to the rupture of anterior circulation aneurysm, were prospectively studied ...
Sugawara Takashi - - 2008
The endovascular perforation rodent model for experimental subarachnoid hemorrhage (SAH) studies is criticized for lack of control over bleeding. Presently, there is no practical grading system to categorize the severity of SAH depending on the amount of blood. We outline a simple and objective novel SAH grading system by examining ...
Takayama Katsutoshi - - 2007
Recognizing cerebral hyperperfusion syndrome with intracerebral hemorrhage following carotid artery stenting is critical because the mortality rate is high. This type of hemorrhage usually arises from within several hours to a few days after the procedure. Here we describe a putaminal hemorrhage with extravasation during angiography that developed immediately after ...
Naydich Marsha - - 2007
Postpartum hemorrhage remains a substantial cause of maternal morbidity and mortality. Arterial embolization has been described as a successful primary modality and an important adjunct in the treatment of postpartum hemorrhage. Herein, the authors report a case of intractable postpartum hemorrhage refractory to hysterectomy. The bleeding was controlled with embolotherapy. ...
Pradhan Sunil - - 2007
Subarachnoid hemorrhage (SAH) in older individuals is most often due to aneurysmal rupture. Other vascular lesions are known to rarely cause SAH. In this article, we report a case of chronic dural sinus thrombosis with recurrent SAH, most probably due to raised venous pressure in draining venous tributaries. No aneurysm ...
Cho Chun-Sung - - 2007
The Neuroform stent is the first microcatheter delivered stent designed specifically for the treatment of cerebral aneurysms. Recently, some reports on unconventional uses of the Neuroform stent have provided intelligent technical solutions to difficult endovascular cases. A 43-year-old man presented with severe headache. Imaging studies revealed subarachnoid hemorrhage and a ...
Leonardi M - - 2007
We describe the case of a 76-year-old man admitted to our hospital for mild subarachnoid haemorrhage detected by CT scan in an aneurysm of the left middle cerebral artery bifurcation treated surgically 29 years earlier and not completely occluded. Angiography disclosed a further aneurysm in the anterior communicating artery. During ...
Altaf Nishath - - 2007
Microembolization detected during the dissection phase of carotid endarterectomy (CEA) is associated with plaque instability and might be associated with perioperative morbidity. Intraplaque hemorrhage is found in unstable plaques and is detectable using magnetic resonance imaging (MRI). We aimed to ascertain whether intraplaque hemorrhage as seen on carotid MRI predicts ...
Hashimoto Yuji - - 2007
BACKGROUND: Digital subtraction angiography has been used in the diagnosis of aneurysmal SAH and as a preoperative imaging method. However, new methods such as MRA and CTA are now deemed by many institutions to provide sufficient information to allow surgery to go ahead without a preliminary DSA scan. We report ...
Marshman Laurence A G - - 2007
Both the International Subarachnoid Aneurysm Trial (ISAT) and the International Study on Unruptured Intracranial Aneurysms (ISUIA) have been widely extrapolated to influence the management of actual or anticipated aneurysmal subarachnoid hemorrhage (SAH). However, it remains possible that sub-groups exist for which such extrapolation might subsequently prove premature. In this review, ...
Knox William J - - 2007
The aberrant internal carotid artery is a rare congenital abnormality that may present with pulsatile hemorrhage if undiagnosed before surgical intervention in the middle ear. We present such a patient who was treated successfully with endovascular sacrifice of one of her bilateral lesions after recurrent episodes of pulsatile hemorrhage complicating ...
Tejada J G - - 2007
BACKGROUND AND PURPOSE: Delayed cerebral ischemia from vasospasm is a major complication after aneurysmal subarachnoid hemorrhage (SAH), but complications and/or low efficacy are associated with current therapy. We report our initial experience with intra-arterial use of a calcium channel blocker, nicardipine. MATERIALS AND METHODS: A retrospective review of a consecutive ...
Singh Narinder - - 2007
To review the clinical presentation, predisposing factors, prevention strategies, management, and outcomes of innominate artery hemorrhage following tracheostomy. We report the case of an 80-y-old patient who experienced sudden massive innominate artery hemorrhage 11 days post tracheostomy. We review the literature and present recommendations for management and prevention. Emergency median ...
Binaghi S S Department of Diagnostic and Interventional Radiology, Neuroradiology Unit, University Hospital, Lausanne, Switzerland. - - 2007
We investigated the association of multisection CT angiography (MSCTA) and perfusion CT (PCT) for the characterization of vasospasm secondary to aneurysmal subarachnoid hemorrhage. Among 27 patients with symptomatic cerebrovascular vasospasm investigated by digital subtraction angiography (DSA), 18 underwent both cerebral PCT and MSCTA. For the remaining 9, only PCT or ...
van de Nes J A P - - 2007
A 28-year-old male car driver was reported to suddenly loose the control over his vehicle, to hit the right and middle crash barrier, and to be unconscious as the car came to a halt in a position at right angles to the road. The car was hit in its left ...
Meguro T T Department of Neurological Surgery, Hiroshima City Hospital, Hiroshima, Japan - - - 2007
Four cases of ruptured aneurysmal subarachnoid hemorrhage (SAH) presented with severe neurogenic pulmonary edema (NPE). On admission, two patients were grade IV and two were grade V according to Hunt and Hess grading. All patients needed respiratory management with the assistance of a ventilator. Three of them underwent endovascular treatment ...
Bassiouni Hischam - - 2007
OBJECTIVE: The aim of this study was to correlate changes in regional cerebral blood flow (rCBF) to the degree of cerebral vasospasm in the canine two-hemorrhage model of subarachnoid hemorrhage (SAH). METHODS: SAH was induced in 13 adult beagle dogs using the two-hemorrhage model. Eleven beagle dogs served as controls. ...
González Valverde F M - - 2007
Spontaneous adrenal hemorrhage is a very rare but serious disorder of the adrenal gland that can require emergent treatment. We report on a 42-year-old man who underwent selective angiography for diagnosis and treatment of retroperitoneal hemorrhage from small adrenal artery aneurysm. This case gives further details about the value of ...
< 1 2 3 4 5 6 7 8 9 10 11 >