[Management of convulsive status epilepticus in infants and children]. 2009

P Hubert, and D Parain, and L Vallée
Unité de réanimation pédiatrique polyvalente, hôpital Necker-Enfants-Malades, AP-HP, 149, rue de Sèvres, 75743 Paris cedex 15, France. philippe.hubert@nck.aphp.fr

Convulsive status epilepticus in childhood is a life threatening condition with serious risk of neurological sequelae which constitutes a medical emergency. Clinical and experimental data suggest that prolonged seizures can have immediate and long-term adverse consequences on the immature and developing brain. So the child who presents with a continuous generalized convulsive seizure lasting greater than five minutes should be promptly treated. The outcome is mainly determined by the underlying etiology, age and duration of status epilepticus. In children the mortality from status epilepticus ranges from 3 to 5% and the morbidity is two-fold higher. Mortality and morbidity are highest with status epilepticus associated with central nervous system infections, which is the most important cause of status epilepticus. There are few evidence-based data to guide management decisions for the child with status epilepticus. Immediate goals are stabilization of airways, breathing and circulation and termination of seizures. Benzodiazepines remain the first-line drugs recommended for prompt termination of seizures. As intravenous lorazepam is not available in France, we suggest clonazepam as the best choice for initial therapy. Rectal diazepam or buccal midazolam remain important options. Intravenous phenytoin/fosphenytoin and phenobarbital are the second-line drugs. Phenytoin is being increasingly substituted by fosphenytoin, but pediatric data are scarce and fosphenytoin is not authorized for use in France below five years old. In children, phenytoin is often preferred to phenobarbital, even though no comparative studies have demonstrated a better efficacy. To manage status epilepticus refractory to a benzodiazepine and administration of phenytoin and/or phenobarbital, many pediatricians today prefer high-dose midazolam infusion rather than thiopental to minimize serious side effects from barbiturate anesthesia. There is no benefit/risk ratio to support the use of propofol for children with refractory status epilepticus.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D004351 Drug Resistance Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration. Resistance, Drug
D004569 Electroencephalography Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the substance of the brain. EEG,Electroencephalogram,Electroencephalograms
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000927 Anticonvulsants Drugs used to prevent SEIZURES or reduce their severity. Anticonvulsant,Anticonvulsant Drug,Anticonvulsive Agent,Anticonvulsive Drug,Antiepileptic,Antiepileptic Agent,Antiepileptic Agents,Antiepileptic Drug,Anticonvulsant Drugs,Anticonvulsive Agents,Anticonvulsive Drugs,Antiepileptic Drugs,Antiepileptics,Agent, Anticonvulsive,Agent, Antiepileptic,Agents, Anticonvulsive,Agents, Antiepileptic,Drug, Anticonvulsant,Drug, Anticonvulsive,Drug, Antiepileptic,Drugs, Anticonvulsant,Drugs, Anticonvulsive,Drugs, Antiepileptic

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