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Query: UMLS:C0036572 (seizures)
 80,221 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We studied 36 patients (24 males, 12 females), all of whom had definite subacute sclerosing panencephalitis with typical periodic complexes in their electroencephalograms and increased titers of measles antibody in serum and cerebrospinal fluid. Their clinical and laboratory findings on admission were reviewed retrospectively. The age at onset of symptoms varied from 4 to 23 years. The average age at onset of disease was 13.1 +/- 4.18 years. The mean of the duration from the infection to the onset of subacute sclerosing panencephalitis was 9 years. Unusual symptoms, especially in the early periods of disease, included hemiparesis (7 patients), headache (3), generalized tonic-clonic seizures (6), absence seizure (1), nausea (3), and vomiting (3). Twenty-six cranial magnetic resonance imaging (MRI) and 12 computed tomography examinations were performed. Nine patients had normal MRI. In the early stages, lesions usually involved parieto-occipital corticosubcortical regions asymmetrically. In time, symmetric periventricular white-matter changes became more prominent. In addition to the common clinical findings in cases of subacute sclerosing panencephalitis reported in the literature, there were some different clinical features of the disease. Eventually, we concluded that there seems to be no correlation between the clinical stages and either the duration from the onset of subacute sclerosing panencephalitis or the MRI findings.
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PMID:Subacute sclerosing panencephalitis: clinical and magnetic resonance imaging evaluation of 36 patients. 1191 65

Periodic and paroxysmal EEG patterns are frequent and easily recognized. They often correlate with particular neurological or systemic conditions. We propose a reclassification and critical examination of these periodic EEG patterns by reviewing the original work presented by J. Gaches in this journal some thirty years ago. Periodic EEG activity is still classified by its localisation--generalised or focal--and by its periodicity--long or short. Periodic long-interval diffuse paroxysmal patterns are reported with rare pathologies such as SSPE, trypanosomiasis or intoxication with phencyclidine. Suppression bursts (SB) may be found in two main situations post-anoxic encephalopathies and drug-induced comas. Ohtahara syndrome is a very rare childhood epileptic syndrome with SB. Periodic short-interval diffuse pattern have been reported in Creutzfeldt-Jakob disease but also in toxic encephalopathies, such as lithium intoxication or as recently reported in acute Cefepime intoxication as well as with metabolic encephalopathies and rarely during AIDS. Periodic lateralized epileptiform discharges (PLEDs) have been classified according to their morphology and the associated condition (epileptic seizures, subtle status, "vascular" seizure). The principal etiology is cerebro-vascular disease and herpes encephalitis but it has also been reported in several other neurological diseases.
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PMID:[Pseudoperiodic and paroxysmal electroencephalographic activities]. 1191 84

A 27-month-old boy was admitted with speech abnormality, inability to walk, and involuntary movements. He was diagnosed with subacute sclerosing panencephalitis based on clinical and laboratory findings. Inosiplex (100 mg/kg/day orally) plus intrathecal interferon-alpha (3 million units/dose twice per week) in a standard regime were given. After four doses of interferon it was prescribed as 6 million units/dose/week because he had been admitted from a remote district. One day after giving the second dose of 6 million units of interferon, two generalized tonic-clonic seizures that occurred within an hour, associated with high fever, which lasted approximately 5 minutes were observed. An antiepileptic agent was not administered because electroencephalogram results did not indicate epileptic discharges. After this condition we returned to the first treatment protocol of interferon (3 million units/dose twice per week). At the current time, he is in the fifth month of follow-up and remains convulsion-free. To the best of our knowledge, seizures as a result of high-dose intrathecal interferon in subacute sclerosing panencephalitis has not been reported in the literature. Our patient demonstrated that it is reasonable to avoid the use of high-dose intrathecal interferon-alpha in childhood.
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PMID:Seizures in a boy with subacute sclerosing panencephalitis during high-dose intrathecal interferon-alpha therapy. 1216 Sep 81

We reported a patient with subacute sclerosing panencephalitis (SSPE) in whom EEG had been serially performed before the onset. She was referred to our hospital due to epileptic seizures at 2 years of age. Focal spikes were seen on EEG at the time of her first seizure (2 years 4 months). At the time of the second unprovoked seizure (9 years 8 months), EEG showed poorly organized background activity associated with focal spikes and a few diffuse spike-and-waves. Then, diffuse paroxysms became predominant, followed by periodic synchronous discharges. In our case, EEG abnormalities were recognized before mental deterioration. Unexpected EEG changes in a patient with epilepsy could be a clue as to the diagnosis of SSPE.
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PMID:A case of subacute sclerosing panencephalitis preceded by epileptic seizures: evolutional EEG changes. 1276 61

Subacute sclerosing panencephalitis is a chronic and fatal disease of the central nervous system. Most patients present with progressive psychointellectual disturbances. A 14-month-old girl was admitted to our hospital because of left-sided hemiparesis. During hospitalization, focal and generalized seizures occurred. The electroencephalogram (EEG) revealed that periodic lateralized discharges consisted of polyspike and high-voltage slow waves in the left hemisphere. The clinical and EEG findings and positive serology of measles in the cerebrospinal fluid were consistent with subacute sclerosing panencephalitis. In conclusion, we suggest that subacute sclerosing panencephalitis be considered in the differential diagnosis of focal neurologic signs in infants.
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PMID:Subacute sclerosing panencephalitis presenting with hemiparesis in childhood: case report. 1282 24

Generalised periodic epileptiform discharges (GPEDs) are very rare patterns and are classified as periodic short-interval diffuse discharges (PSIDDs), periodic long-interval diffuse discharges (PLIDDs) and suppression-burst patterns according to the interval between the discharges. In this study we analysed the demographics, history of the seizures during the current illness, mental status, diagnosis, metabolic abnormalities, neuroimaging studies and prognosis of 37 adult patients who had GPEDs in their EEGs. Ages ranged from 17 to 82 years (mean 45 years). There were 19 males and 18 females. The most common aetiology of GPEDs was metabolic and/or infectious disease which was established in 22 patients (59.5%). Other aetiologies included subacute sclerosing panencephalitis (SSPE) in 11 patients (29.7%) and Creutzfeld-Jakob disease (CJD) in 4 patients (10.8%). We showed that structural lesions were found in most of the patients with GPEDs, but concurrent metabolic abnormalities and/or infectious diseases were also detected. Consciousness was impaired and clinical conditions were poor in various degrees in all of the patients when GPEDs were seen. Relatively little is known regarding the mechanism of GPEDs. When GPEDs are seen in EEG, the patient should carefully be checked for metabolic abnormalities and/or infectious diseases and intracranial lesions. GPEDs may be helpful in the determination of prognosis, showing the poor prognosis especially in cases when suppression-burst pattern is seen.
Seizure 2003 Oct
PMID:Generalised periodic epileptiform discharges: clinical features, neuroradiological evaluation and prognosis in 37 adult patients. 1296 74

We report the rare case of a 19-year old man, first diagnosed with schizophrenia but finally shown to have subacute sclerosing panencephalitis (SSPE). Initial symptoms were hallucinations and negative symptoms until the onset of a seizure. Changes in the CSF, MRI, EEG and increasing neurological symptoms led to the correct diagnosis of subacute sclerosing panencephalitis. The EEG results were of particular importance as they already showed the characteristic changes, even while the patient still only presented with psychotic symptoms. This case report demonstrates the importance of ongoing neurological examinations in patients with psychiatric disorders. In the literature, there are only three case reports about children (8, 9 and 10 year old) as well as one of a 21-year old women with subacute sclerosing panencephalitis presenting with psychosis.
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PMID:[Subacute Sclerosing Panencephalitis Presenting Initially as Schizophrenic Psychosis in a 19-Year Old Man] 1313 Mar 40

From 1972 to 2002, we diagnosed and treated 22 cases of subacute sclerosing panencephalitis. We report on two pediatric patients with fulminant subacute sclerosing panencephalitis who had atypical clinical manifestations. In both patients diagnosis was confirmed by elevated titers of CSF and serum antimeasles antibodies. Patient 1 presented with behavioral disorder, dysarthria, and drop attacks, while Patient 2 presented with partial complex seizures. Mental difficulties, personality changes, or myoclonus were not noticed in Patient 2. In both our patients stage I was not prominent, and stage II was of shortened duration. In spite of treatment with isoprinosine and interferon-alpha, both our patients deteriorated rapidly and died 2.5 and 4 months, respectively, after the onset of neurologic symptoms. Both atypical presentation and rapid clinical course observed in our patients could cause problems in making final diagnosis of subacute sclerosing panencephalitis. Therefore, subacute sclerosing panencephalitis should be included in differential diagnosis of acute unexplained encephalopathic diseases.
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PMID:Fulminant subacute sclerosing panencephalitis:two cases with atypical presentation. 1367 25

An 11-year-old male was admitted with inability to walk and speech abnormality. He was diagnosed with subacute sclerosing panencephalitis on the basis of clinical and laboratory findings. Therapy with inosiplex (100 mg/kg/day orally) plus intrathecal interferon-alpha (3 million units/dose twice per week) and ribavirin (15 mg/kg/day orally) was initiated. Ribavirin was given orally because of a lack of parenteral form in our country. During follow-up, he complained about fever and widespread body pains after intrathecal therapy. On the sixth month of follow-up, generalized tonic-clonic seizures, associated with high fever, and lasting approximately 1-2 minutes occurred about 6 hours after giving interferon-alpha. Four days after the first seizures, a similar seizure attack reoccurred after intrathecal IFN-alpha. An antiepileptic agent was not administered because electroencephalogram results did not indicate epileptic discharges. At the current time, he is in the ninth month of follow-up and remains seizure-free. In conclusion, our case demonstrated that standard dose intrathecal interferon-alpha might cause seizures in children. We think that this unfortunate condition was more common in subacute sclerosing panencephalitis children treated with intrathecal interferon-alpha.
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PMID:Onset of generalized seizures after intrathecal interferon therapy of SSPE. 1367 30

We report the rare case of a 19-year old man, first diagnosed with schizophrenia but finally shown to have subacute sclerosing panencephalitis (SSPE). Initial symptoms were hallucinations and negative symptoms until the onset of a seizure. Changes in the CSF, MRI, EEG and increasing neurological symptoms led to the correct diagnosis of subacute sclerosing panencephalitis. The EEG results were of particular importance as they already showed the characteristic changes, even while the patient still only presented with psychotic symptoms. This case report demonstrates the importance of ongoing neurological examinations in patients with psychiatric disorders. In the literature, there are only three case reports about children (8, 9 and 10 year old) as well as one of a 21-year old women with subacute sclerosing panencephalitis presenting with psychosis.
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PMID:[Paranoid-hallucinatory psychosis as primary manifestation of subactue sclerosing panencephalitis (SSPE) in a 19-year-old man]. 1450 42


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