Search Results
Results 201 - 250 of 1015
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Vergouwen Mervyn D I - - 2008
Patients with aneurysmal subarachnoid hemorrhage (SAH) who experience delayed cerebral ischemia (DCI) have an increased risk of poor outcome. Delayed cerebral ischemia is considered to be caused by vasospasm. However, not all patients with DCI have vasospasm. Inversely, not all patients with vasospasm develop clinical symptoms and signs of DCI. ...
Gupta Sunil K - - 2009
BACKGROUND: Although the clinical profile of patients with PMN SAH is well documented, there are scarce data available for patients with nonaneurysmal n-PMN SAH. In the present study, the clinical characteristics of patients with n-PMN SAH were analyzed and compared with those of PMN SAH and aneurysmal SAH. METHODS: Patients ...
Muroi Carl - - 2008
Neurogenic pulmonary edema (NPE), leading to cardiopulmonary dysfunction, is a potentially life-threatening complication in patients with aneurysmal subarachnoid hemorrhage (SAH). We sought to assess the clinical presentation and risk factors for the development of NPE after SAH. The database contained prospectively collected information on 477 patients with SAH. Baseline characteristics, ...
Zafar Azra - - 2008
OBJECTIVE: To describe clinical and radiological features of intracerebral haemorrhage in hypertensive patients. METHODS: This is a descriptive case series, carried out prospectively over a period of 6 months at, department of neurology, Liaquat National Hospital, Karachi. Hypertensive patients > 25 years of age, presenting with features of stroke and ...
Rijsdijk M - - 2008
INTRODUCTION: The pathogenesis of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) is unclear. We assessed whether DCI relates to focal or global cerebral perfusion on admission and on follow-up imaging. MATERIALS AND METHODS: Twenty-seven SAH patients underwent computed tomography (CT) perfusion (CTP) on admission and at clinical deterioration or ...
Fujimura Miki - - 2009
BACKGROUND: Superficial temporal artery-middle cerebral artery anastomosis for moyamoya disease prevents cerebral ischemic attack by improving CBF, whereas recent evidence suggests that the temporary neurologic deterioration because of postoperative cerebral hyperperfusion could occur despite its low-flow revascularization. The present study investigates the incidence and the risk factors for symptomatic hyperperfusion ...
Tumialán Luis M - - 2008
OBJECT: The introduction of the Neuroform microstent has facilitated the embolization of complex cerebral aneurysms, which were previously not amenable to endovascular therapy. Typically, the use of this stent necessitates the administration of dual antiplatelet therapy to minimize thromboembolic complications. Such therapy may increase the risk of hemorrhage in patients ...
Ueno H - - 2008
BACKGROUND AND PURPOSE: Although accumulating evidence suggests the presence of microbleeds as a risk factor for intracerebral hemorrhage (ICH), little is known about its significance in anticoagulated patients. The aim of this study was to determine whether the presence of microbleeds is associated with recurrent hemorrhagic stroke in patients who ...
Andaluz Norberto - - 2008
BACKGROUND: Subarachnoid hemorrhage (SAH) is cryptogenic in 15% of cases. Despite reports of proven recurrence, additional diagnostic studies are not often recommended when no abnormalities were identified on the initial study with digital subtraction angiography (DSA). In our retrospective review of outcomes after cryptogenic SAH, we identify diagnostic strategies that ...
Zicari Enza - - 2008
BACKGROUND AND PURPOSE: A high prevalence of right-to-left shunt (RLS) was described in a family of patients with CADASIL, a rare cerebral arteriopathy attributable to Notch3 gene mutations. The aim of this study was to determine the prevalence of RLS in patients with CADASIL and possible relation to clinical phenotype ...
Söderman Michael - - 2008
BACKGROUND AND PURPOSE: Dural arteriovenous shunts with cortical venous reflux or drainage may cause neurological symptoms and death with or without intracranial hemorrhage. Present knowledge about the natural history of these lesions is limited, however. We investigated the incidences of intracranial hemorrhage, progressive dementia syndrome, and death in patients diagnosed ...
Durmaz Ramazan - - 2008
OBJECTIVE: Adenosine and nitric oxide (NO) are known as vasodilatators. We investigated adenosine deaminase (ADA) activity and NO concentration in the cerebrospinal fluid (CSF) of patients with subarachnoid hemorrhage (SAH). METHODS: Forty patients with SAH and 10 controls were included in the study. Nitrate level and ADA activity were measured ...
Stam Jan - - 2008
BACKGROUND AND PURPOSE: Most patients with cerebral sinus thrombosis (CST) recover after treatment with heparin, but a subgroup has a poor prognosis. Those patients may benefit from endovascular thrombolysis. METHODS: Prospective case series. Patients with sinus thrombosis were selected for thrombolysis if they had an altered mental status, coma, straight ...
Hallevi H - - 2008
BACKGROUND: Spontaneous intracerebral hemorrhage (ICH) is frequently associated with intraventricular hemorrhage (IVH), which is an independent predictor of poor outcome. The purpose of this study was to examine the relationship between ICH volume and anatomic location to IVH, and to determine if ICH decompression into the ventricle is truly beneficial. ...
Suzuki Hidenori - - 2008
BACKGROUND AND PURPOSE: The possible cause of chronic hydrocephalus after subarachnoid hemorrhage (SAH) has been reported to be meningeal fibrosis. We examined whether the induction of tenascin-C (TN-C), an extracellular matrix glycoprotein known to promote tissue fibrosis, was associated with chronic hydrocephalus after SAH. METHODS: We prospectively measured cerebrospinal fluid ...
Schlenk Florian - - 2008
OBJECTIVE: To determine whether hyperglycemia exerts deleterious effects via cerebral energy metabolism and to illuminate the effects of cerebral high/low glucose in patients with aneurysmal subarachnoid hemorrhage. DESIGN AND SETTING: Prospective, nonrandomized single-center study over a 2-year period in an intensive care unit at a primary-level university hospital. PATIENTS: 28 ...
Sonmez Guner - - 2008
PURPOSE: Tuberculosis involvement of the central nervous system continues to represent a serious problem, particularly in developing countries. The aim of this study was to characterize the magnetic resonance imaging (MRI) findings of intracranial tuberculoma, a form of neurotuberculosis. METHODS: We retrospectively reviewed the data of 27 patients with intracranial ...
Chadie A - - 2008
AIM: To evaluate long-term neurodevelopmental outcomes in children with prenatally diagnosed, isolated agenesis of the corpus callosum (ACC). METHODS: We retrospectively reviewed data for 20 children born between January 1991 and November 2003 in the Haute-Normandie region of France with a prenatal diagnosis of isolated ACC. We collected data on ...
Gazzola Steve - - 2008
BACKGROUND AND PURPOSE: The newly-described computed tomography angiography (CTA) Spot Sign is present in about one third of patients with acute primary intracerebral hemorrhage (PICH) and predicts hematoma expansion. This sign has not been systematically evaluated in patients with secondary causes of ICH, and mimics have not been characterized. The ...
Kacira Tibet - - 2008
YKL-40 is a newly discovered matrix protein that is thought to be released during the acute stages of inflammation. It has recently been speculated that YKL-40 may serve as a specific serological marker of neutrophil function at the site of tissue inflammation. Our aim was to determine whether the levels ...
Yamada Shoko Merrit - - 2008
Metagonimiasis yokogawai is an unusual intestinal parasitic disease caused by metacercariae of Metagonimus yokogawai. The first clinical manifestations of this disease do not always correlate with gastrointestinal signs. A 61-year-old man with left hemiparesis and disorientation was admitted to our hospital because of atypical nonhypertensive multiple intracerebral hemorrhages, which were ...
Smith L McG - - 2008
BACKGROUND AND PURPOSE: Imaging techniques utilizing acetazolamide challenges classically measure cerebral blood flow (CBF). In addition to measuring CBF, Perfusion-CT (PCT) can also assess cerebral blood volume (CBV) and mean transit time (MTT), expanding but also complicating the results of acetazolamide challenges performed using PCT. The goal of this study ...
Ozdemir Ozgur - - 2008
OBJECTIVE: Although numerous factors have been described that predict outcome after spontaneous intracerebral hemorrhage (ICH), very little is know about the role of hemorrhagic dilation of the third ventricle in development of hydrocephalus and prognosis. The objective of this study was to investigate whether the presence of hemorrhagic third ventricle ...
Oh Jung-Hwan - - 2008
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary disease characterized by ischemic stroke, cognitive impairment, migraine and neuropsychological deficit. Although intracerebral hemorrhage (ICH) has been described in patients with CADASIL, the cause of such ICH is still unknown. We present a 39-year-old man with CADASIL ...
Sarkar Suman
Cerebral malaria is a diffuse encephalopathy associated with seizures and status epilepticus which can occur in up to one-third of patients with severe malaria, particularly that caused by <i>Plasmodium falciparum</i>. In this article, we report three cases of <i> Plasmodium vivax</i> malaria (all adult male patients) complicated by seizures and ...
Keyrouz Salah G - - 2008
BACKGROUND: Osmotic agents such as mannitol remain a mainstay in the management of cerebral edema and raised intracranial pressure. Some patients do not respond to sustained mannitol administration with the expected rise in serum osmolality, and this may correlate with lack of therapeutic efficacy. OBJECTIVE: To examine the variation in ...
Tan Ge - - 2008
BACKGROUND AND OBJECTIVE: Although mannitol has been widely used in hospitals to treat patients with high intracranial pressure (ICP) secondary to intracerebral haemorrhage (ICH), no universal agreement has been reached regarding the optimal dosage of this agent for achieving appropriate intracranial decompression. The aim of this study was to investigate ...
Yoshioka Hideyuki - - 2008
OBJECTIVE: We prospectively investigated the predictive value of diffusion tensor tractography for motor functional outcome in a case series of patients with intracerebral hemorrhage. METHODS: Diffusion tensor tractography was performed in 17 patients with intracerebral hemorrhage (putamen, nine patients; thalamus, seven patients; combined, one patient) within 5 days after onset. ...
Nakamura Takehiro - - 2008
BACKGROUND: The aim of the present study was to evaluate cerebral metabolism monitoring during therapeutic hypothermia for global ischemic brain damage after cardiopulmonary resuscitation (CPR). METHODS: Jugular venous sampling and positron emission tomography (PET) were used. Seven comatose patients with cardiopulmonary arrest underwent hypothermia treatment as soon as possible after ...
Adeoye Opeolu - - 2008
No proven treatments exist for intracerebral hemorrhage (ICH). Carefully selected patients may benefit from surgery, and an international multicenter trial is ongoing. We sought to determine how many patients in a population-based ICH cohort would have been eligible for surgery using the Surgical Trial in Intracerebral Hemorrhage II (STICH II) ...
Poon W S - - 2008
BACKGROUND: Chronic hydrocephalus is a common occurrence following aneurismal subarachnoid haemorrhage [a-SAH] but its impact on neurological outcome has not been re reviewed systematically. PATIENTS AND METHODS: One hundred and eleven patients were recruited from a prospectively collected a-SAH registry over a 3-year period between 2002 and 2004. Their 6-month ...
Ishibashi Akira - - 2008
To examine whether antiplatelet therapy contributes to the unfavorable prognosis of intracerebral hemorrhage, we enrolled 253 consecutive patients (120 men and 133 women; 72.9+/-11.7 years) hospitalized in our institution within 24 hrs after onset of intracerebral hemorrhage. The location and size of intracerebral hemorrhage were determined from computed tomography (CT). ...
Kalita Jayantee - - 2008
BACKGROUND: There is paucity of studies evaluating the role of asymmetry index (AI) on single photon emission computed tomography (SPECT) studies in patients with intracerebral hemorrhage (ICH). AIM: To evaluate cerebellar perfusion in ICH employing SPECT study and correlate with clinical and CT scan findings. SETTING AND DESIGN: Tertiary care ...
Komotar Ricardo J - - 2008
OBJECTIVE: Chronic hydrocephalus requiring shunt placement and cerebral vasospasm are common complications after aneurysmal subarachnoid hemorrhage. Recent publications have investigated the possibility that microsurgical fenestration of the lamina terminalis during aneurysm surgery may reduce the incidence of shunt-dependent hydrocephalus and cerebral vasospasm. We reviewed a single-surgeon series to compare postsurgical ...
Bang O Y - - 2008
Collaterals may sustain penumbra prior to recanalisation yet the influence of baseline collateral flow on infarct growth following endovascular therapy remains unknown. Consecutive patients underwent serial diffusion and perfusion MRI before and after endovascular therapy for acute cerebral ischaemia. We assessed the relationship between MRI diffusion and perfusion lesion indices, ...
Udoetuk Joshua D - - 2007
OBJECTIVE: Angiographic cerebral vasospasm occurs in approximately 70% of patients hospitalized after aneurysmal subarachnoid hemorrhage (SAH) and is associated with poor outcome. In this study, we examined whether or not cerebral circulation time (CCT) measured with digital subtraction angiography was associated with angiographic vasospasm. METHODS: Patients who underwent cerebral angiography ...
De Vries Joost - - 2007
OBJECT: In this study, the olfactory nerve function (ONF) in patients with an aneurysmal subarachnoid hemorrhage (SAH) who underwent neurosurgical clip occlusion for intracranial aneurysm was assessed pre- and postoperatively. METHODS: In 13 patients with an aneurysmal SAH who underwent a frontobasal or frontotemporal neurosurgical procedure for clipping of a ...
Bornschein Susanne - - 2007
OBJECTIVES: It has been hypothesized that people with subjective hypersensitivity to chemicals may indeed suffer from neuronal damage due to widely distributed environmental toxins and that such deficits of diagnostic importance can be demonstrated with the help of functional neuroimaging even in single cases. In this study, a small group ...
Kuo Yu-Hung - - 2007
Due to inheritance of an autosomal dominant genetic mutation, patients with hereditary hemorrhagic telangiectasia (HTT) have an increased risk of harboring a cerebral arteriovenous malformation (AVM). They are also significantly more likely to have multiple AVMs. The natural history of AVMs in patients with HHT as well as their rate ...
Pfister David - - 2007
Postoperative neurosurgical patients are at risk of developing complications. Systemic and neuro-monitoring are used to identify patients who deteriorate in order to treat the underlying cause and minimize the impact on outcome. Hypotension and hypoxia are likely to be the most frequent insults and can be detected easily with blood ...
Sansur Charles A - - 2007
OBJECT: Intracranial hemorrhage (ICH) is the most significant complication associated with the placement of stereotactic intracerebral electrodes. Previous reports have suggested that hypertension and the use of microelectrode recording (MER) are risk factors for cerebral hemorrhage. The authors evaluated the incidence of symptomatic ICH in a large cohort of patients ...
Wermer Marieke J H - - 2007
OBJECTIVE: Anosmia has an important impact on well-being but is often neglected by physicians. In patients with subarachnoid hemorrhage (SAH), anosmia has mainly been reported after surgery for aneurysms of the anterior communicating artery. We studied the prevalence, predisposing factors (aneurysm site and type of treatment), impact, and prognosis of ...
Constantoyannis Constantine - - 2007
BACKGROUND: Vasospasm is a major cause of ischemic neurological deficits developing after subarachnoid hemorrhage. The goal was to identify hemodynamic changes and the presence of clinical vasospasm in patients suffering from subarachnoid hemorrhage secondary to ruptured intracranial aneurysms. MATERIAL/METHODS: Pre- and postoperative serial transcranial cerebral oximetry and transcranial doppler sonography ...
Zubkov Alexander - - 2007
OBJECTIVE: In this study, we have reviewed our experience with anticoagulation-associated intraventricular hemorrhage (IVH). Our goal was to determine if IVH is also an independent prognosticator of fatal outcome in patients with anticoagulation-associated intracerebral hemorrhage (ICH). METHODS: This study is a retrospective analysis of medical records and computed tomographic imaging. ...
Westerlaan H E - - 2007
We sought to establish whether CT angiography (CTA) can be applied to the planning and performance of clipping or coiling in ruptured intracranial aneurysms without recourse to intraarterial digital subtraction angiography (IA-DSA). Over the period April 2003 to January 2006 in all patients presenting with a subarachnoid haemorrhage CTA was ...
Longatti Pierluigi - - 2007
OBJECTIVE: What is known about the cerebral aqueduct is derived mainly from the legacy of classic histology and from the most recent advanced neuroimaging technologies. In fact, although this important structure is frequently glimpsed by neurosurgeons, only limited anatomic contributions have been added by microsurgery to its direct in vivo ...
Khan E - - 2007
This is the first report of the largest epidemic of dengue hemorrhagic fever (DHF) virus infection (2006) with IgM-confirmed cases from Karachi, Pakistan. Medical records of 172 IgM-positive patients were reviewed retrospectively for demographic, clinical and laboratory data. Patients were categorized into dengue fever (DF) and DHF according to the ...
Weber Werner - - 2007
OBJECTIVE: Preoperative embolization in accordance with multimodal therapies for cerebral arteriovenous malformations (AVMs) is generally the first step in treatment and may result in complete obliteration. The Onyx liquid embolic system (Micro Therapeutics, Inc., Irvine, CA) may offer advantages for intranidal targeted embolization and microsurgical resection. We present our experience ...
Koyama Masamichi - - 2007
INTRODUCTION: Diagnosing corticobasal degeneration is often difficult on the basis of clinical symptoms and radiological images. We aimed to clarify the imaging findings of corticobasal degeneration syndrome (CBDS). METHODS: Included in the study were 16 patients (8 men, 8 women, 46-75 years old) with clinically diagnosed CBDS. We evaluated the ...
Friedrich Reinhard E - - 2007
BACKGROUND: The nevoid basal cell carcinoma syndrome (NBCC) is a rare and autosomal dominant inherited disease with well-defined characteristics, summarized by Gorlin and Goltz in 1960. In the head and neck region, cerebral calcifications, basal cell carcinoma (BCC) and multiple keratocysts of the jaws are the predominant findings. The aim ...
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