Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0038220 (status epilepticus)
 7,272 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A five month-old infant presented with gastro-intestinal symptoms followed by a multiple organ failure with: shock, status epilepticus, disseminated intravascular coagulation, hepatic and renal failure. The infant survived with major neurological sequelae. The diagnosis and the actuality of the so-called "hemorrhagic shock and encephalopathy syndrome" are discussed.
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PMID:[Hemorrhagic shock with encephalopathy syndrome or major hyperthermia syndrome?]. 805 39

Three types of clinical features at the onset are well known to be characteristic of acute hemiplegia syndrome (AHS). Type 1 comprises status epilepticus of hemiconvulsions with fever. Representative diseases of this type are the infectious diseases of the central nervous system, acute encephalopathy and cerebral vascular diseases. Type 2 comprises status epilepticus of hemiconvulsions without fever. Cerebral vascular diseases and epilepsy are the major ones of this type. Type 3 comprises hemiplegia or hemiparesis of sudden onset without fever or convulsions. Most patients with this type had cerebral vascular diseases, about half of which were moyamoya disease in Japan. Recent progress in neuroimaging studies has allowed considerable elucidation of the etiology of AHS. Gadolinium-enhanced MRI showed minimal lesions such as capsular infarction more clearly than plain MRI. Acetazolamide test 99mTc-HMPAO SPECT imaging is one of the useful assisted diagnostic techniques for moyamoya disease, because it reveals the reserve capacity of the collaterals. [123I]IMP SPECT is useful for the diagnosis and follow-up of acute disseminated encephalomyelitis (ADEM), as the images of the lesions coincide well with the MRI ones. 99mTc-HMPAO SPECT in a case with alternating hemiplegia revealed normoperfusion in the ictal periods. Four cases of AHS are reported here.
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PMID:Acute hemiplegia syndrome in childhood. 805 23

A 4-year-old girl with status epilepticus and severe encephalopathy associated with cat-scratch disease is described. She had prolonged seizures lasting more than 2 weeks and required treatment with pentobarbital coma. She developed unusual abnormalities on magnetic resonance imaging scans that involved the thalami and the cortex of the temporal, parietal, and occipital lobes. She has developed a persistent encephalopathy manifesting as visual disturbance and frequent partial seizures.
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PMID:Unusual MRI findings after status epilepticus due to cat-scratch disease. 806 Apr 32

The third-generation cephalosporin, ceftazidime, is widely used for the treatment of serious gram-negative infections. As is true of cephalosporins in general, reported adverse effects have been few. We report a case of ceftazidime-induced status epilepticus in a patient with Pseudomonas aeruginosa meningitis and compare the clinical manifestations of this case with those of two previously described cases of ceftazidime-related encephalopathy. This diagnosis should be entertained and an electroencephalogram should be obtained in all patients with myoclonus and/or altered mental status while they are receiving ceftazidime therapy.
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PMID:Ceftazidime-related nonconvulsive status epilepticus. 812 52

We report on a 33-year-old female suffering from frequent complex-partial seizures who developed a non-convulsive status epilepticus after one week of antiepileptic therapy with valproate (VPA) which had been added to a basic medication with barbexaclone (BBC) in rapidly increasing dosage. The electroencephalogram (EEG) showed continuous rhythmic generalized sharp and slow wave activity with a frontal maximum. Intravenous administration of 3.0 mg of the benzodiazepine (BZ) receptor antagonist flumazenil under monitoring with video-EEG led to an immediate and marked electroclinical improvement, whereas 6.0 mg of the BZ receptor agonist midazolam was followed by a deterioration both clinically and in the EEG. We discuss the concept of VPA-encephalopathy and the possible mechanisms of the action of flumazenil on VPA-induced as well as on other toxic and metabolic encephalopathies. Flumazenil might antagonize increased benzodiazepine receptor activity with agonistic and even convulsive properties in these encephalopathic syndromes. Further investigations are needed concerning the relation of drug-induced or metabolic encephalopathies and central benzodiazepine receptor activity. We recommend a therapeutic trial with flumazenil, if stupor or decreased seizure control develop in patients treated with valproate.
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PMID:Temporary abolition of seizure activity by flumazenil in a case of valproate-induced non-convulsive status epilepticus. 789 43

We report here a case of lead poisoning in a 20 month old girl who presented with acute encephalopathy and status epilepticus. The major clues leading to the diagnosis were the occupational family history and dense lead lines on X-ray of the long bones. She showed evidence of neurological dysfunction in the initial phase, but she improved steadily, regaining her motor power partially and her vision, although some cognitive and language deficits were already evident. She will need long-term neurological assessment and evaluation to ascertain the extent of permanent brain damage.
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PMID:Lead poisoning in childhood. 818 54

Typical causes of renovascular hypertension include intramural atherosclerotic lesions of the main renal arteries or their branches and fibromuscular dysplasia of the renal arterial wall with luminal narrowing. We report a patient with new-onset, accelerated hypertension (blood pressure 220/140 mm Hg, status epilepticus, retinal hemorrhages) secondary to a dissection of the anterior division of the right renal artery that was accompanied by hyperreninemia, hyperaldosteronism, and hypokalemia. At presentation in the untreated state, unstimulated plasma renin activity and the serum aldosterone level were markedly elevated. Following right nephrectomy, blood pressure levels normalized without antihypertensive therapy, and plasma renin activity, serum aldosterone and potassium levels normalized. Histologic study of the right renal artery showed an isolated dissection of the anterior branch of the vessel between the muscularis and adventitia that created marked reduction in luminal diameter and renal ischemia. There was no evidence of any other vascular abnormalities, atherosclerosis, or fibromuscular dysplasia. These findings demonstrate that an isolated dissection of a branch of the renal artery may induce profound hyperreninemia and represents a rare, reversible etiology for accelerated hypertension associated with acute encephalopathy.
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PMID:Accelerated hypertension with encephalopathy due to an isolated dissection of a renal artery branch vessel. 820 71

We report the first case of nonconvulsive status epilepticus as a complication of chemotherapy with the nitrogen mustard derivative ifosfamide. Our patient developed encephalopathy, upper extremity myoclonus, and a periodic, triphasic electroencephalogic pattern that resolved acutely with intravenous diazepam treatment. Since significant morbidity and mortality is associated with unrecognized status epilepticus, electroencephalogic monitoring and a trial of diazepam is indicated in encephalopathic patients with rhythmic electroencephalogic patterns while receiving treatment with ifosfamide.
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PMID:Ifosfamide-induced nonconvulsive status epilepticus. 821 72

One of the most challenging areas in nosology is in the field of severe generalized epilepsy of early childhood. This is certainly true in the case of Lennox-Gastaut syndrome (LGS), an age-related epileptogenic encephalopathy which comprises several types of generalized seizures including tonic seizures, atypical absence seizures and frequent status epilepticus. EEG shows generalized slow spike waves, and as the disease progresses, cognitive functions deteriorate. LGS is listed in the 1989 classification of the International League Against Epilepsy alongside epilepsy with myoclonic astatic seizures and West's syndrome. A number of variants or atypical forms have been proposed. As a result, differential diagnosis presents a major challenge and includes specific generalized epilepsies, i.e., metabolic or inflammatory; secondarily generalized epilepsies, i.e., those arising from the frontal lobe; and severe forms of idiopathic generalized epilepsy, i.e., Doose syndrome. Antiepileptic drug (AED) treatment of LGS has been disappointing. Results obtained from anterior callosotomy have been promising, but only a small number of patients have been evaluated. Although the syndrome is rare, the severe nature and intractability of LGS emphasizes the need for the development of specific AEDs which would completely modify the quality of life for these patients.
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PMID:The Lennox-Gastaut syndrome. 824 77

We report the unusual seizures in a patient with acute lymphoblastic leukemia. The convulsive disorder began acutely as partial somatomotor status epilepticus and with diffuse EEG slowing. The seizures then became myoclonic-atonic (drop attacks) and an EEG focus appeared on the left paramedian centro-parietal areas, activated by proprioceptive stimuli. Despite the severity of the clinical picture at onset, the seizures showed a benign course, and disappeared on carbamazepine therapy. We think that this epileptic syndrome may have been caused by diffuse iatrogenic encephalopathy, probably related to intrathecal methotrexate therapy.
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PMID:Unusual seizures with a benign course in a case of acute lymphoblastic leukemia of childhood. 835 36


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