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  • 1
    ISSN: 1126-5442
    Keywords: Key words Photosensitivity ; Blue-tinted lenses ; Epilepsy ; Electroencephalography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of our work was to test a particular type of lens for photosensitivity control in photosensitive epileptic patients. Previous papers considered color and shade of dark to test lens efficacy. We added a new variable, namely lens material, to these well-known variables. We performed electroencephalography (EEG) and simultaneous video recordings in 83 epileptic patients to evaluate the effectiveness of these experimental blue lenses on photoparoxysmal response (PPR). In addition, we compared the lenses with four other types of commercially available lenses. We found that the experimental lens type was very effective for photosensitivity inhibition in epileptic subjects. Indeed, PPR disappeared in 64 of 83 patients (77%) and diminished in 16 (19%). All the other commercial lenses were less effective. We think that this particular lens type could be useful in managing photosensitive epileptic patients.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1126-5442
    Keywords: Key words SPECT ; Epilepsy ; Cryptogenic epilepsy ; Temporal lobe
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aim of our work was to identify clinical and electroencephalographic factors that are statistically correlated to 99mTc HMPAO hypofixation in cryptogenic temporal lobe epilepsy. We selected a homogeneous group of patients (28 males and 17 females) affected by temporal lobe epilepsy and having normal results on computed tomography and magnetic resonance imaging. Patients were classified according to semeiological characteristics of the seizures, presence or absence of spikes on electroencephalography (EEG), age at onset, illness duration, and drug resistance. The presence of focal interictal spikes on EEG was statistically correlated to 99mTc HMPAO temporal hypofixation (p = 0.04). The other electroclinical factors considered in this series did not play an important role in modifying radiopharmaceutical fixation in focal epilepsy in interictal phase. We speculate that a possible explanation for focal radiopharmaceutical hypofixation, in addition to hypoperfusion, is an increased permeability of the blood-brain barrier (due to perivascular inflammation or other causes) which can be responsible for 99mTc HMPAO escape with a resultant hypofixation.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neurological sciences 19 (1998), S. 217-220 
    ISSN: 1590-3478
    Keywords: Encephalitis ; Epilepsy ; Epilepsia partialis continua ; SPECT ; Rasmussen’s syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario È noto che le indagini neuroradiologiche sono importanti nella diagnosi della syndrome di Rasmussen (RS), ma è altrettanto veto che esse risultano spesso normali nelle fasi precoci della malattia. Descriviamo il caso di una paziente di undici anni e cinque mesi, affetta da RS, che è stata sottoposta a Tc 99m HMPAO SPECT due mesi dopo la prima crisi. La SPECT ha mostrato una riduzione della perfusione che interessava il lobo temporale sn, mentre la risonanza magnetica (RMN) risultana normale. Sei mesi più tardi la paziente sviluppava un’epilessia parziale continua e la RMN mostrava una atrofia corticale emisferica sn. Pensiamo che la SPECT sia un esame utile, economico e di largo impiego in grado di fornire ulteriori informazioni, rispetto a quelle già descritte, sulle fasi iniziali della RS. L’individuazione precoce di una RS permette infatti di instaurare una terapia medica (ganciclovir o immunoglobuline) prima della comparsa delle gravi conseguenze della malattia.
    Notes: Abstract Neuroradiological examinations are important in the diagnosis of Rasmussen’s syndrome (RS), but they frequently result normal in the early phase of the disease. We performed Tc 99m HMPAO SPECT (single photon emission computed tomography) on an 11-year, 5-month-old, right-handed girl, two months since the first seizure. SPECT showed a reduced uptake of HMPAO in the left temporal region despite normal results with magnetic resonance imaging (MRI). After six months, she developed epilepsia partialis continua, neurological signs appeared, and MRI showed cortical atrophy on the left side. SPECT seems to be a useful, inexpensive and diffuse technology able to give information in the early phases of RS useful in the prevention of serious consequences of the disease within a medical therapeutic program (ganciclovir or intravenous immunoglobulins).
    Type of Medium: Electronic Resource
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