Jorge Campollo

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BACKGROUND AND PURPOSE Although digital subtraction angiography (DSA) is the reference standard for assessing carotid arteries, it is uncomfortable for patients and has a small risk of disabling stroke and death. These problems have fueled the use of spiral CT angiography and MR angiography. We prospectively compared elliptic centric contrast-enhanced MR(More)
 Background and Objective. Factors related to prognosis after subarachnoid haemorrhage (SAH) have been mainly extracted from surgical series, and only few authors have considered these factors in total management or population series. Though the level of consciousness is a major determinant of outcome after subarachnoid haemorrhage, there is not a(More)
OBJECTIVE In the past, several possible explanations for idiopathic subarachnoid hemorrhage (ISAH) have been proposed; however, neuroimaging studies have never provided conclusive data about the structural cause of the bleeding. The aim of this study is to determine whether there are anatomic differences in the deep cerebral venous drainage in patients with(More)
Background. Most scales used to assess prognosis after subarachnoid haemorrhage (SAH) are based on the level of consciousness of the patient. Based on information from a logistic regression model, Ogilvy et al. developed a new grading scheme (Massachussetts General Hospital (MGH) Scale) which applied a simple scoring method to each prognostic factor(More)
OBJECT Microarteriovenous malformations (micro-AVMs) are a rare subgroup of brain AVMs characterized by a nidus smaller than 1 cm. The authors' purpose in this study was to assess the clinical presentation, radiological features, therapeutic management, and outcome of these lesions. METHODS All angiography studies performed at the authors' institution(More)
UNLABELLED OBJECTIVES AND INTRODUCTION: The pathogenesis and natural history of intracranial vertebral artery dissection remain uncertain up to now due in part to its relative rarity. In this article we review the state of the art of this process and remark the good outcome obtained with embolization using Guglielmi detachable coiling (GDC). METHODS Two(More)
INTRODUCTION Idiopathic subarachnoid haemorrhage (ISAH) represents approximately 15-30% of all subarachnoid haemorrhages. On the basis of the diagnostic CT and depending on the location of the subarachnoid bleeding, patients with ISAH may be classified into three groups: a) Patients with normal CT and diagnosis made by lumbar puncture (ISAHNCT); b) patients(More)
BACKGROUND Intracranial hemorrhage is the most dreaded risk of thrombolytic therapy for acute myocardial infarction because of the high mortality and disability rates associated with this complication. Brain structural lesions may predispose a patient to bleeding. To date, aneurysm rupture has not been described as a complication of such therapy. CASE(More)