Search Results
Results 451 - 500 of 1013
< 5 6 7 8 9 10 11 12 13 14 15 >
Hughes Peter D V - - 2003
Screening patients with autosomal dominant polycystic kidney disease (ADPKD) for asymptomatic intracranial aneurysms has been proposed as a method of reducing the morbidity and mortality associated with aneurysm rupture. However, recent studies have shown lower spontaneous rupture rates of small aneurysms and higher risks of significant complications with interventions than ...
Han Patrick P - - 2003
OBJECT: Intracranial stent placement combined with coil embolization is an emerging procedure for the treatment of intracranial aneurysms. The authors report their results using intracranial stents for the treatment of intracranial aneurysms. METHODS: A prospectively maintained database was reviewed to identify all patients with intracranial aneurysms that were treated with ...
Alves O L - - 2003
OBJECTIVE: Massive intraoperative swelling (IOS) is a potential complication of intracranial surgery for traumatic hematomas. We present a novel design of dural opening to minimize the risks of IOS. METHODS: Over the last eight years, we have used and evaluated a "reversed U-shaped" durotomy incision, which leaves the dura intact ...
Kim B B Department of Radiology, Catholic University of Korea, Seoul, Korea - - - 2003
Traumatic intracranial aneurysms in children are rare and mostly related to skull fracture or rapid decelerating closed head injury.We report the case of an infant who developed intracranial aneurysm after minor head trauma and managed by endovascular treatment. A seven-month-old infant presented with delayed intracranial hemorrhage following minor head trauma. ...
Cagli S - - 2003
OBJECTIVE: Chlamydia pneumoniae (C pneumoniae) is a common cause of a usually mild, community acquired pneumonia. This organism, however, can spread from the respiratory tract into other parts of the body and has been detected in up to 70% of atheromatous lesions in blood vessels. Although the exact mechanism of ...
Luo Chao-Bao - - 2003
BACKGROUND: The acronym PHACE describes a rare neurocutaneous syndrome encompassing the following features: posterior fossa brain malformation, hemangioma, arterial anomalies, coarctation of aorta and cardiac defects, and eye abnormalities. This report describes the cervico-cerebrovascular anomalies (CCVA) in 7 patients with PHACE syndrome. METHODS: The medical records of 7 children (4 ...
Nakatani Tatsuya - - 2003
While the mortality rate of subarachnoid haemorrhage is very high in haemodialysis (HD) patients, the prevalence of unruptured intracranial aneurysms in HD patients has not yet been elucidated. We performed cerebral magnetic resonance angiography (MRA) on 123 HD patients who did not have symptomatic cerebrovascular disease, and on 52 control ...
Hakan Tayfun - - 2003
Despite many reports investigating the relationship of subarachnoid haemorrhage and seasonal variation in different parts of the world, there is no clear correlation. As far as we know this subject has not been reported from Istanbul yet. The purpose of this study is to determine if there is any correlation ...
Chazono Hideaki - - 2003
Extracranial-intracranial bypass surgery was performed prior to carotid resection in eight patients with head and neck carcinoma that involved the carotid artery near the skull base. Four patients underwent the standard one-stage extracranial-intracranial bypass procedure. A two-stage procedure was performed in the remaining four patients. The procedure first involved an ...
Roll John D - - 2003
We report a case of spontaneous intracranial hypotension that underwent cerebral angiography. The angiogram showed prominence of the veins and venous phase of the angiogram. This is thought to be secondary to decreased intracranial pressure and subsequent dilation of the venous system to attempt to replace the lost intracranial CSF ...
Caird John - - 2003
OBJECTIVE: Elevated serum levels of lipoprotein(a), a risk factor for atherosclerosis (AS), are also associated with the presence of asymptomatic intracranial aneurysms. AS is present in some aneurysms, but its contribution to aneurysm formation and growth is unclear. Apolipoprotein(a) [apo(a)], the active moiety of lipoprotein(a), is present in atherosclerotic circle ...
Matheus M Gisele MG Department of Radiology, University of North Carolina School of Medicine, Chapel Hill, NC, - - 2003
Formation of de novo intracranial aneurysms is rare. Their etiology is not known, but they are seen in patients with inherited collagen disorders, polycystic kidney disease, and familial history of aneurysms. Most de novo intracranial aneurysms are found 3-20 years after diagnosis of the initial aneurysm. We report the imaging ...
Friedman Jonathan A - - 2003
OBJECT: Vascular bypass is performed in neurosurgery for a variety of pathological entities, including extracranial atherosclerotic disease, extra- and intracranial aneurysms, and tumors involving the carotid artery (CA) at the skull base or cervical regions. Creation of an interposition saphenous vein graft (SVG) is the typical method of choice when ...
Ecker Robert D - - 2003
OBJECTIVE AND IMPORTANCE: A unique case of delayed ischemic deficit after resection of a large intracranial dermoid is presented. CLINICAL PRESENTATION: A 23-year-old woman, 36 hours after the uneventful gross total resection of a large intracranial dermoid cyst, slowly developed a progressive mixed aphasia and right hemiparesis. Magnetic resonance imaging ...
Berger C - - 2003
Intracranial internal carotid artery (ICA) aneurysms are frequently treated either by microsurgical clipping of the aneurysm neck, by endovascular coiling of the aneurysm sac or by balloon occlusion of the parent vessel. For some broad-based aneurysms that may not be suitable for any of these options, microsurgical wrapping of the ...
Sungarian Arno - - 2003
Childhood intracranial aneurysms are exceedingly uncommon. Diagnosis of intracranial aneurysms in infancy may be difficult because of their infrequency and confusing clinical presentation. Findings with routine radiographic methods may be misleading and difficult to interpret. We present a case of the rupture of an anterior communicating artery aneurysm in a ...
Palacio Santiago - - 2003
Although vasculopathy is a recognized complication during acute meningitis, to our knowledge, no previous reports have been published of this phenomenon developing months after successful treatment. To report a unique case of a late-developing vasculopathy after pyogenic meningitis in an adult. A 51-year-old woman was seen with severe headache 2 ...
Suh Dae Chul - - 2003
BACKGROUND AND PURPOSE: The clinical pattern of stroke and the angiographic distribution of cerebral atherosclerosis in the Japanese and Chinese are different from those in whites. Our purpose was to evaluate the location and distribution of severe atherosclerotic stenoses in Korean patients by using cerebral angiography. METHODS: We retrospectively reviewed ...
Boet R - - 2003
BACKGROUND: We aimed to prospectively assess the usefulness of computer tomographic angiography (CTA) in streamlining the management of symptomatic intracranial aneurysms in a tertiary neurosurgical unit, from admission to surgery. METHODS: We performed a prospective evaluation over a 2-year period of all symptomatic intracranial aneurysms managed according to a standardized ...
Brochert A - - 2003
When intracranial aneurysms are deemed nonclippable, an accepted alternative neurosurgical treatment is to reinforce the aneurysm wall by wrapping or coating it with various materials, including muslin (cotton gauze). Granulomatous or "foreign-body" reactions, sometimes referred to as "muslinomas" or "gauzomas," and adhesive arachnoiditis are known but rare complications. Experience with ...
Patel Aman B - - 2003
The persistent otic artery is a rare remnant of early fetal development that, to our knowledge, has been convincingly documented only once before with angiography. Other persistent vessels such as the trigeminal, hypoglossal, and proatlantal intersegmental arteries have been found to be associated with a variety of vascular anomalies. We ...
Nozar A A Department of Neurosurgery, Bicêtre Hospital, Bicêtre, France - - - 2002
Acute subdural haematoma (ASDH) is rarely caused by an aneurysmal rupture. We report four cases of pure acute subdural haematomas caused by ruptured intracranial aneurysms. Aneurysms were localized in the posterior communicating artery in two cases, in the anterior communicating artery in one case and in the middle cerebral artery ...
Platania N - - 2002
Oculomotor palsy related to the presence of an intracranial aneurysm arising from the supraclinoid internal carotid artery (ICA) is a well known and described clinical condition. Recent microanatomical and clinical evidences seem to demonstrate that the pathophysiology of the aneurysm-related III nerve palsy could be interpreted as that of any ...
Mercado Rodrigo - - 2002
Intracranial aneurysms (IAs) are found more often in patients with aortic coarctation (AC) than in the general population and aneurysm rupture occurs much earlier in the lives of these patients when there is coexistent AC. The diagnosis of AC is frequently made only after a serious cerebrovascular complication has developed. ...
Nishida Takashi - - 2002
A 59-year-old man with abnormal vascular features (intracranial aneurysm, a cervical arteriovenous shunt, bilateral internal jugular vein occlusions, and left transverse sinus hypoplasia), as well as left optic atrophy was suspected to have familial polycystic kidney disease. The possibility of autosomal dominant polycystic kidney disease complicated by Ehlers-Danlos syndrome type ...
Kei Olivia C Y - - 2002
Pulmonary arterial and intracranial calcifications are rarely found in children. A female infant, the recipient of a twin-twin transfusion syndrome was found, by ultrasound and computed tomography, to have both pulmonary arterial and intracerebral calcification. A rare condition, termed idiopathic arterial calcification of infancy, is the likely cause. This condition ...
Diehl R R - - 2002
OBJECTIVE: To investigate the occurrence of microembolic signals (MES) and hemodynamic features in patients with acute symptomatic intracranial cerebral artery stenoses by transcranial Doppler (TCD). MATERIAL AND METHODS: Twelve patients with acute hemispheric ischemic events and corresponding intracranial cerebral artery stenoses as identified by TCD, and exclusion of extracranial or ...
Engelter Stefan T - - 2002
BACKGROUND: Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and primary angiitis of the central nervous system (PACNS) share several clinical and radiological features. However, digital subtraction angiogram (DSA) is generally reported as normal in CADASIL, whereas lumen irregularities in distal cerebral arteries indicate PACNS. OBJECTIVE: To describe ...
Villablanca J Pablo - - 2002
BACKGROUND AND PURPOSE: Many cases of subarachnoid hemorrhage are due to rupture of small cerebral aneurysms. Our purpose was to evaluate the usefulness of helical CT angiography (CTA) in the detection and characterization of very small (<5 mm) intracranial aneurysms. METHODS: One hundred eighty consecutive patients underwent CTA for suspected ...
Imaizumi Shigeki - - 2002
Magnetic resonance angiography (MRA) revealed silent but rapid growth of a small unruptured intracranial aneurysm until it was surgically treated to prevent rupture. Modern neuroimaging methods such as MRA and 3-dimensional computed tomography have increased opportunity to detect small unruptured cerebral aneurysms. Strict follow up is an option for the ...
Newell David W - - 2002
The use of a microanastomotic device for direct connection of intracranial vessels can be helpful to facilitate removal of distally located middle cerebral artery (MCA) aneurysms. The authors report on two patients who presented for treatment with large aneurysms distally located on the MCA. The aneurysms were completely excised and ...
Jafar Jafar J - - 2002
OBJECTIVE: The treatment of giant intracranial aneurysms is a challenge because of the limitations and difficulty of direct surgical clipping and endovascular coiling. We describe the indications, surgical technique, and complications of saphenous vein extracranial-to-intracranial bypass grafting followed by acute parent vessel occlusion in the management of these difficult lesions. ...
Komiyama M - - 2002
Two patients who developed subarachnoid haemorrhage are presented. The first patient was a 41-year-old woman whose angiograms showed right extracranial vertebral artery (VA) dissection starting at the C2 level extending to the intracranial VA near the VA union. Proximal occlusion of the right VA by the endovascular approach was performed. ...
Liu Benjamin P - - 2002
The authors describe a case of intracranial vascular calcifications that mimicked small saccular aneurysms on CT angiography (CTA). The density of two vascular calcifications was visually similar to that of contrast in the parent vessel, making them indistinguishable from aneurysmal outpouchings. Comparison of the CTA with the non-contrast head CT ...
Ho S S Y - - 2002
BACKGROUND AND PURPOSE: The development of intracranial collateral circulation is associated with a lower risk of stroke. A noninvasive technique that can reliably detect the presence of intracranial collaterals would be a valuable factor in the assessment of risk in patients with occlusive cerebrovascular disease. METHODS: Color velocity imaging quantification ...
Furuyama Hideto - - 2002
Coronary abnormalities after Kawasaki disease (KD) may be associated with endothelial dysfunction due to intimal hypertrophy. The purpose of this study was to evaluate myocardial flow reserve (MFR) and endothelial function in regressed aneurysmal regions after KD. Methods and Results- Subjects were 12 patients aged 16.0+/-2.6 years who suffered from ...
Hegde V - - 2002
Dissection of the internal carotid artery usually occurs in the cervical segment, but rarely may involve the artery in the intracranial course (1). The clinical course of intracranial dissection is often catastrophic, with rapid onset of profound neurological deficit, as a result of middle and/or anterior cerebral artery involvement. When ...
Ohkuma Hiroki - - 2002
BACKGROUND AND PURPOSE: Clinical features of nontraumatic dissecting aneurysms of intracranial carotid circulation remain unclear because investigation of this disease has been limited to case reports. The aim of this study was to investigate the clinical features of this disease through the use of cooperatively collected cases. METHODS: The cases ...
Horowitz Michael B - - 2002
Beginning in the 1960s, neurosurgeons and radiologists have made attempts to treat intracranial aneurysms using nonclip techniques. The evolution of such therapy has included acrylics, metallic particles, balloons, electric current, and nondetachable and detachable coils. This article will chronologically review these various techniques and the papers that reported their results ...
Zhang Y Jonathan - - 2002
OBJECTIVE AND IMPORTANCE: Herein we describe two cases of extracranial-intracranial vein graft bypasses for the treatment of giant intracranial aneurysms in prepubertal pediatric patients. One patient is, we think, the youngest patient reported in the literature to have been successfully treated in such a manner, with a good long-term outcome. ...
Steen Stephen N SN Department of Anesthesiology, Martin Luther King Jr. Hospital, Drew Medical Center, LAC-USC Medical Center, Los Angeles, CA, - - 2002
Rupture of an intracranial aneurysm generally has a poor outcome, though perioperative treatments have improved. At the present time, the important factors in the management of intracranial aneurysm surgery appear to be the maintenance of adequate cerebral perfusion pressure and the avoidance of hyperglycemia. Relevant features of the anesthetic management ...
Fitoz S - - 2002
We present CT and MR features of a large intracranial lipoma located in the left sphenocavernosal region in a patient with a history of spinal intradural lipoma excision. The lipomatous lesion surrounded the internal carotid artery and trigeminal nerve and extended extracranially into the infratemporal region through a smoothly dilated ...
Gailloud P - - 2002
Transcranial Doppler (TCD) sonography is a new imaging technique allowing for non-invasive evaluation of the intracranial vascular anatomy and cerebral hemodynamics. The recent introduction of echographic contrast agents has significantly increased the sensitivity of TCD for the diagnosis of intracranial vascular lesions. We report a case of giant AComA aneurysm, ...
Hansberg T - - 2002
Proper assessment of intracranial arteries by transcranial Doppler sonography (TCD) in patients with intracranial stenoses is occasionally made difficult by an insufficient temporal bone window, an unfavourable insonation angle, or low flow velocity or volume. This condition is frequently found in Chinese. In these cases, echocontrast could be helpful. We ...
Chen Y L YL Department of Radiology, Chang Gung Memorial Hospital and University; Taoyuan and Kaohsiung; - - 2001
With the advancement of molecular genetics, the deletion of the TSC2/PKD1 gene at chromosome 16p13.3 has been discovered to be responsible for the tuberous sclerosis complex sharing some of the clinical manifestations of autosomal dominant adult polycystic kidney disease such as multiple renal cysts and intracranial aneurysms. The unruptured aneurysm ...
Ishida F F Department of Neurosurgery, Mie University School of Medicine; Mie, Japan - - - 2001
For evaluation of intracranial cerebral aneurysms, three-dimensional (3D) digital subtraction angiography (DSA) and 3D-computed tomographic angiography (CTA) were demonstrated in fifteen patients. The diagnostic accuracy of preoperative 3D-CTA is equal to that of 3D-DSA except for the case with a dissecting aneurysm. The virtual images of 3D-CTA were well correlated ...
Ovadia S - - 2001
A 27-year-old female rhesus macaque (Macaca mulatta) developed anisocoria. The left pupil was dilated and unresponsive to light. The macaque was euthanized because of unrelated reasons and the body was submitted for necropsy. On gross examination, a berry aneurysm of the right middle cerebral artery causing marked compression of the ...
Lilova M I - - 2001
Intracranial aneurysms (ICA) are a well-known feature of autosomal dominant polycystic kidney disease. There is only one report about ICA in an adult patient with autosomal recessive polycystic kidney disease (ARPKD). We observed a 2-year, 6-month old girl with ARPKD and multiple ICA. The family history is negative for kidney ...
Tummala R P - - 2001
OBJECTIVE AND IMPORTANCE: Painful oculomotor palsy can result from enlargement or rupture of intracranial aneurysms. The IIIrd cranial nerve dysfunction in this setting, whether partial or complete, is usually fixed or progressive and is sometimes reversible with surgery. We report an unusual oculomotor manifestation of a posterior carotid artery wall ...
D'Armiento F P - - 2001
BACKGROUND AND PURPOSE: Atherosclerosis occurs later and is less extensive in intracranial arteries than in extracranial arteries. However, the mechanisms responsible are poorly understood. A previous study has suggested a better antioxidant protection of intracranial arteries. METHODS: To assess the influence of age on arterial activity of antioxidant enzymes and ...
< 5 6 7 8 9 10 11 12 13 14 15 >