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A retrospective survey of 50 adult epileptic outpatients who were taking two anticonvulsants drugs showed that seizure control had improved in the six months after the introduction of the second drug in only 36%. When blood concentrations of the two anticonvulsants were subsequently measured improvement in seizure control was found to be significantly related to the presence of optimum blood concentrations of at least one drug. Much unnecessary polypharmacy in the treatment of epilepsy could be avoided by ensuring an optimum blood concentration of one drug before considering the addition of a second. 相似文献
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We performed prospective trials of phenytoin and carbamazepine, assisted by blood level monitoring, in untreated patients newly referred with grand mal or partial seizures, or both, to a neurological clinic. At the time of follow-up (mean 28.5 months for phenytoin; 12 months for carbamazepine) 76-88% of patients were completely controlled. Twelve per cent of the patients on each drug had further seizures, despite an optimum blood level. When the blood drug concentration was in the optimum range there was a 98% reduction in grand mal attack rate and 92-93% reduction in partial seizure rate. These results suggest that polypharmacy is largely, and possibly totally, unnecessary in newly diagnosed adult epileptics. 相似文献
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Recent advances in drug therapy for epilepsy have contributed to the reduction in the proportion of persons whose epilepsy is uncontrolled. New knowledge of the pharmacokinetics of phenytoin has led to a better understanding of the drug''s bioavailability and uses. Carbamazepine has recently been introduced for the treatment of generalized tonic-clonic and partial seizures. Clonazepam has been found of particular benefit in the treatment of absence and myoclonic seizures. Valproic acid is a promising antiepileptic drug with broad-spectrum activity, and is particularly useful in the treatment of absence and myoclonic seizures, although further clinical experience is required before it can supplant ethosuximide as the preferred drug for the treatment of absence seizures. Monitoring of the plasma concentration of antiepileptic drugs has added greatly to the achievement of optimal drug therapy and the prevention of toxic effects. 相似文献
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W. Fine 《BMJ (Clinical research ed.)》1967,1(5534):199-201
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