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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 T Department of Physiology, Loma Linda University, Loma Linda, CA 92350, United - - 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 ...
Hashiguchi Akihito - - 2007
Although three-dimensional computed tomographic angiography (3D-CTA) is less complicated and time-consuming than conventional cerebral angiography (CCA) and represents a reliable alternative for evaluating cerebral aneurysms, some patients experience aneurysmal rerupture during 3D-CTA. Two women, 79 and 71 years old, who presented with severe subarachnoid hemorrhage (SAH) underwent 3D-CTA within 3 ...
Schulte-Altedorneburg G - - 2007
BACKGROUND AND PURPOSE: To evaluate the incidence and location of hemorrhagic and ischemic lesions after local intra-arterial (IA) fibrinolysis in patients with acute vertebrobasilar occlusion (VBO). METHODS: One hundred forty-three patients with VBO treated with local IA fibrinolysis were retrospectively evaluated. Two different thrombolytic substances, namely urokinase (UK, n = ...
Koçak A - - 2007
Non-aneurysmal subarachnoid hemorrhage (NSAH) is a benign form of subarachnoid hemorrhage (SAH). The angiographic changes of cerebral vasospasm (CVS) are uncommon in patients with this type of SAH. NSAH is uniformly associated with an excellent outcome without associated rebleeding or symptomatic CVS. We report a patient with NSAH who developed ...
van Gijn Jan - - 2007
Subarachnoid haemorrhage accounts for only 5% of strokes, but occurs at a fairly young age. Sudden headache is the cardinal feature, but patients might not report the mode of onset. CT brain scanning is normal in most patients with sudden headache, but to exclude subarachnoid haemorrhage or other serious disorders, ...
Krous Henry F - - 2007
The differentiation of SIDS from accidental or inflicted suffocation may be impossible in some cases. Severe pulmonary intra-alveolar hemorrhage has been suggested as a potential marker for such differentiation. Our aims are to: (1) Compare pulmonary hemorrhage in SIDS and a control group comprised of infants whose deaths were attributed ...
Sziller Istvan - - 2007
Ligation of the hypogastric arteries (HAL) was first introduced into surgery by the end of the 19(th) century to control intractable hemorrhage from the uterus of women with advanced cervical cancer. At present, HAL is one in a spectrum of operative methods to control life-threatening postpartum hemorrhage before hysterectomy. Bilateral ...
Nickele Christopher - - 2007
INTRODUCTION: Presenting symptoms of aneurysmal subarachnoid hemorrhage (SAH) and reversible cerebral vasoconstriction syndrome (RCVS) may overlap. Patients with RCVS often harbor unruptured aneurysms. We report a case of RCVS in a patient with an unruptured intracranial aneurysm. The development of diffuse vasoconstriction after aneursym clipping in the absence of any ...
Yang Tao-Chieh - - 2007
BACKGROUND: Traumatic aneurysms of the anterior cerebral artery (ACA) were retrospectively reviewed in an effort to identify patients at high risk of ACA aneurysm. METHODS: Blunt craniofacial trauma patients featuring vascular injuries over the region of the ACA were studied. RESULTS: Six patients featuring eight ACA aneurysms were diagnosed between ...
Pluta Ryszar M - - 2007
Nitric oxide (NO) is produced by the endothelial NOS (eNOS) in the intima and by the neuronal NOS (nNOS) in the adventitia of cerebral vessels. By activating soluble guanylyl cyclase, NO increases the production of 3'-5'cGMP, which relaxes smooth muscle cells and dilates the arteries in response to shear stress, ...
Mocco J - - 2007
In an attempt to elucidate the pathophysiology and clinical significance of global cerebral edema (GCE) following aneurysmal subarachnoid hemorrhage (SAH), the authors explored potential mechanisms and reviewed findings associated with this phenomenon. Admission computed tomography (CT) scans show GCE in up to 20% of patients experiencing aneurysmal SAH. This edema ...
Gerard Elizabeth - - 2007
INTRODUCTION: Cerebral arterial vasospasm following aneurysmal subarachnoid hemorrhage (SAH) is an important cause of delayed neurologic deterioration. Vasospasm following isolated intraventricular hemorrhage (IVH) is less common. Accepted predictors of vasospasm following SAH include poor Hunt-Hess grade, elevated transcranial Doppler velocities, and the thickness of cisternal blood on neuroimaging [1, 2]. ...
Lee Vivien H - - 2007
A 48-year-old male smoker with a history of significant alcohol use developed thunderclap headache during sexual intercourse. On neurological exam, he was confused and agitated with a Glasgow Coma Score of 11 (E3, M6, V2). Computed tomography (CT) of the brain revealed diffuse subarachnoid hemorrhage (SAH) with blood notably present ...
Tiryaki Ozlem - - 2007
Henoch-Schönlein purpura (HSP) is a form of systemic vasculitis involving both arterioles and capillaries. HSP frequently is seen in children between the ages of 2 and 11 years, though adults with this disease are occasionally encountered. Although it primarily is a disease of early childhood, it can occur at any ...
Schreiber Christian C German Heart Center Munich, Clinic of Cardiovascular Surgery at the Technical University, Lazarettstrasse 36, 80636 Munich, - - 2007
Holes permitting shunting between the atrial chambers can take various anatomical forms, varying from the patent oval foramen, which shunts only from right-to-left, to the so-called sinus venosus defect, which is associated with anomalous connection of the pulmonary veins. Our review deals with all forms of interatrial communications, except for ...
White J Bradley JB The Department of Neurological Surgery, The Mayo Clinic, 200 1st Street SW, Rochester, MN 55902, USA. - - 2007
An oculomotor palsy in the setting of aneurysmal subarachnoid hemorrhage is often due to compression by a posterior communicating artery aneurysm. Anterior communicating artery (ACOM) aneurysms may produce ophthalmologic symptoms of the anterior visual pathways, but rarely ever lead to a 3rd nerve palsy. This report describes a rare case ...
Ansari S A SA Department of Radiology, University of Michigan Health System, Ann Arbor, MI, U.S.A. - - - 2006
We describe a case of a 75-year-old man who presented with acute onset of headache and subarachnoid hemorrhage and initial cerebral angiography was deemed "negative". In retrospect, a faint contrast collection was present adjacent to the right vertebral artery at the C1 level suspicious for a small dural arteriovenous fistula ...
Hsiao Ming-Chang, Lee Jiann-Der, ...
Symptomatic hemorrhagic transformation is common in supratentorial and cerebellar infarction, but is rare in brainstem infarction. It is seldom reported in basilar artery occlusion. Although early arterial recanalization by thrombolytic agent has became the new trend of treatment, for some neurologists anticoagulant is still a conventional alternative treatment of basilar ...
Hsiao Ming-Chang - - 2006
Symptomatic hemorrhagic transformation is common in supratentorial and cerebellar infarction, but is rare in brainstem infarction. It is seldom reported in basilar artery occlusion. Although early arterial recanalization by thrombolytic agent has became the new trend of treatment, for some neurologists anticoagulant is still a conventional alternative treatment of basilar ...
Fan Ju-Sing - - 2006
The clinical course of patients with hemorrhagic transformation in stroke secondary to spontaneous cervical internal carotid artery dissection (ICAD) has not been elucidated. We report a 36-year-old man with presentation of headache and subsequent left hemiparesis. Magnetic resonance imaging disclosed right ICAD with nearly complete occlusion of the right distal ...
Nakahara Kuniaki - - 2006
A 46-year-old woman presented with hemorrhage from a non-functioning pituitary adenoma manifesting as sudden onset of severe headache. Computed tomography demonstrated diffuse subarachnoid hemorrhage (SAH) and a suprasellar mass with intratumoral hematoma. The patient underwent transnasal transsphenoidal removal of the pituitary adenoma. This type of SAH with intratumoral hematoma simulates ...
Turowski B - - 2007
INTRODUCTION: Exact quantification of vasospasm by angiography is known to be difficult especially in small vessels. The purpose of the study was to develop a new method for computerized analysis of small arteries and to demonstrate feasibility on cerebral angiographies of rats acquired on a clinical angiography unit. METHODS: A ...
Greenberg Edward - - 2007
BACKGROUND: The false-negative rate of DSA in the setting of a ruptured cerebral aneurysm is approximately 15% (Topcuoglu M, Ogilvy C, Carter B, et al. Subarachnoid hemorrhage without evident cause on initial angiography studies: diagnostic yield of subsequent angiography and other neuroimaging tests. J Neurosurg 2003;98:1235-1240). Detecting these aneurysms is ...
Boscolo Elisa - - 2006
Cerebral aneurysms and arteriovenous malformations (AVM) are a common cause of stroke and cerebral hemorrage. Both are often discovered when they rupture, causing subarachnoid hemorrhage (SAH). SAH-induced vasospasm is mediated by enhanced vasoconstriction due to endothelin-1 (ET-1). We investigated whether endothelial cells (ECs) obtained from aneurysm and AVM express phenotypic ...
Bendszus M - - 2006
Endovascular treatment of aneurysms has become an alternative to the neurosurgical approach. Here, we describe a patient presenting with a subarachnoid hemorrhage (SAH) due to a basilar tip aneurysm, which was completely occluded with coils. Fourteen days later the patient died due to massive recurrent SAH. Histologic evaluation showed aneurysm ...
Usman M Haris U - - 2006
Abciximab, a platelet glycoprotein IIb/IIIa receptor blocker, is a well-known agent in percutaneous coronary intervention because of its antiplatelet, antithrombotic effects, which allow for good outcome. Major bleeding is a well-recognized complication of abciximab therapy, and pulmonary hemorrhage, although infrequent, is a serious, under-recognized, and often fatal complication. We describe ...
Shahlaie Kiarash - - 2006
Pituitary apoplexy is an uncommon condition typically caused by acute, hemorrhagic expansion of the pituitary gland in patients with an adenoma that undergoes infarction. Although various risk factors have been described, the vascular events leading to apoplexy are not well understood. Disruption of microvascular blood flow is a well-known cause ...
de Oliveira Jean G - - 2007
Cerebral vasospasm is one of the most important complications of aneurysmal subarachnoid hemorrhage. The effect of aneurysm occlusion technique on incidence of vasospasm is not exactly known. The objective was to analyze surgical clipping versus endovascular coiling on the incidence of cerebral vasospasm and its consequences. Using the MEDLINE PubMed ...
Joo S P - - 2006
Digital subtraction angiography (DSA) has been used as the standard method for detecting cerebral vasospasm after subarachnoid hemorrhage (SAH). Multislice computed tomographic angiography (CTA) is a relatively recent method used for evaluating the vasculature of the intracranial arteries. The purpose of this study was to compare multislice CTA and DSA ...
Munch Elke - - 2006
Symptomatic vasospasm leading to delayed ischemia and neurological deficits is one of the most serious complications after aneurysmal subarachnoid hemorrhage (SAH). Reliable and early detection of symptomatic vasospasm is one of the major goals in the management of patients with SAH. In awake patients, the close clinical neurological examination still ...
Brisman Jonathan L - - 2006
OBJECTIVES: To review the historical development and current status of endovascular techniques used in the treatment of symptomatic vasospasm following aneurysmal subarachnoid hemorrhage. METHODS: This article summarizes the relevant literature on neurointerventional therapy for vasospasm, namely instillation of intraarterial medication (papaverine, nicardipine, verapamil) and transluminal balloon angioplasty. The authors synthesize ...
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