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Transcraneal doppler

Carlotta Facini, Elena Pavlidis, Emanuela Claudia Turco, Francesco Pisani
BACKGROUND: Hemorrhagic Hereditary Telangiectasia (HHT) is an autosomal dominant disease characterized by the presence of multiple arteriovenous malformations (AVMs). Migraine is described in association with HHT in adulthood, while only few paediatric cases are reported in the literature. AIM: In this paper, we describe an atypical case of HHT in a 7-year-old boy, who presented severe and recurrent episodes of migraine-like headache as the first symptom of the disease...
November 2015: Brain & Development
Christos Krogias, Barbara Bellenberg, Christian Prehn, Ruth Schneider, Saskia H Meves, Ralf Gold, Carsten Lukas, Christiane Schneider-Gold
Myotonic dystrophies (DMs) are clinically similar but distinct multisystemic diseases related to different repeat expansion mutations. CNS involvement is one important aspect of both, myotonic dystrophy type 1 and type 2 (DM1, DM2). Transcran ial sonography (TCS) has become a reliable diagnostic tool in the evaluation of several CNS disorders. The aim of this study was to evaluate TCS-findings in DM-patients in correlation with their clinical status. Thirty-one DM-patients (DM1 = 17; DM2 = 14) were examined clinically and sonographically by independent physicians...
February 2015: Journal of Neurology
P L Rodríguez García, L R Rodríguez Pupo, D Rodríguez García
OBJECTIVE: A review of current foundations for the medical diagnosis of vasospam and delayed cerebral ischaemia due to spontaneous subarachnoid haemorrhage. DEVELOPMENT: A review of available tests for the investigation of vasospasm (transcraneal Doppler, angiographic methods) and delayed cerebral ischaemia (clinical exam, computerised tomography by X rays, magnetic resonance, emission computerised tomography, electroencephalography, microdialysis) based on type and quality of information, advantages and limitations...
June 2010: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Raffaella Colombatti, Giorgio Meneghetti, Mario Ermani, Marta Pierobon, Laura Sainati
BACKGROUND: Stroke is a serious complication of sickle cell disease (SCD) in children. Transcranic Doppler (TCD) is a well-established predictor of future cerebrovascular symptoms: a blood flow velocity >200 cm/sec in the Middle Cerebral Artery (MCA) correlates with a high risk of stroke in cohorts of African-american HbS/HbS patients. In North-East Italy the recent increase in SCD patients is mainly due to immigration from Africa. A comprehensive care program for children with SCD was established in our Center since 2004, but a wide and routine screening for Primary stroke prevention needs to be developed...
2009: Italian Journal of Pediatrics
I Fernández-Cadenas, J Alvarez Sabín, C A Molina, M Ribó, A Rosell, A Penalba, L Ortega, J Montaner
INTRODUCTION: Apolipoprotein E has been associated with intracerebral hemorrhages and with neurological outcome of ischemic stroke patients treated with rt-PA. Therefore, we hypothesized that ApoE genotype might influence the appearance of post-tPA hemorrhagic transformation and that the favorable outcome of E2 patients might be due to better rates of recanalization. PATIENTS AND METHODS: We analyzed the ApoE genotype of 77 patients with ischemic stroke involving the territory of the middle cerebral artery who received rt- PA within 3 h of symptoms onset...
May 2006: Neurología: Publicación Oficial de la Sociedad Española de Neurología
J M Ramírez-Moreno, I Casado-Naranjo
The patent foramen ovale is a permanent aperture, similar to a floating membrane, remainder from fetal circulation. It can be easily diagnosed by transesophageal echocardiography and/or transcraneal Doppler with contrast. It is being described an increasing number of pathologies, where the presence of a patent foramen ovale can have pathologic significance. The paradoxical embolism considered a rare clinic curiosity, can be an underestimated cause of ischemic stroke. Patients with obstructive sleep apnea present a major prevalence of patent foramen ovale than normal population...
October 1, 2005: Revista de Neurologia
R F Galiano, M A Martínez-Garcia, L Cabero Salt, E Salcedo, J J Soler Cataluña, P Román Sánchez
OBJECTIVE: To investigate the possible relation between the number of sleep breathing disorders (SBD) and significant extracranial carotid stenosis (ECS) in patients suffering ischemic stroke or transient ischemic attack (TIA). PATIENTS AND METHODS: Sixty-eight patients (72.2 years; 68 % males) surviving two months after ischemic stroke or TIA were studied, with the collection of general and anthropometric variables, the characteristics and repercussions of stroke, and the clinical manifestations related to sleep apnea-hypopnea syndrome (SAHS)...
July 2005: Neurología: Publicación Oficial de la Sociedad Española de Neurología
Eva Fages, José Ignacio Tembl, Gerardo Fortea, Pablo López, Aida Lago, José Luis Vicente, Juan Jesús Vilchez
BACKGROUND AND OBJECTIVE: The use of transcranial doppler (TD) for the assessment of critical neurological patients and brain death (BD) is steadily growing. In this study we describe the daily clinical practice around BD diagnosis and compare the usefulness of TD, including advantages and shortcomings, with that of other tests. PATIENTS AND METHOD: A series of 100 patients diagnosed of brain death is presented including the demographic and clinical data as well as the results of ancillary tests (CE)...
March 27, 2004: Medicina Clínica
J A Egido, J Carod, M L Cuadrado, J L González
INTRODUCTION: Dolichoectasia of the intracranial arteries may give rise to ischaemic or haemorragic pathology and to compression phenomena. Joint dolichoectasia of the whole circle of Willis, in both the anterior and basilar portions extending to the main basal arteries is an unusual finding. CLINICAL CASE: We describe a 76 year old man who presented with vertigo with vertically downward nystagmus. On neuroimaging studies there was aneurysmal dilation of the left vertebral, basilar and both carotid arteries (in their supra-clinoid portion) and of both medial cerebral arteries...
June 1997: Revista de Neurologia
C Tommasino, L Beretta, A Dell'Acqua, R Rizzardi, C Ferrari da Passano
The risk of venous air embolism is significant in neurosurgical procedures performed in the sitting position. Monitoring for venous air embolism, therefore, is crucial and can be approached from several aspects. The most sensitive generally applicable clinical method for the detection of intracardiac gas is based on an application of the Doppler principle. The Authors describe the technique used to adapt a transcranial Doppler (TC 2-64 B, EME, Germany), and a probe designed to record the Doppler signal from intracranial arteries (Transcran FP 2, EME, Germany), as precordial Doppler in order to monitor venous air embolism in neurosurgical procedures performed in the sitting position...
December 1992: Minerva Anestesiologica
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