Fetal hydantoin syndrome: current status.
Fetal hydantoin syndrome: current status.
复制标题
胎儿乙内酰脲综合征:现状。
DOI:
10.1016/s0022-3476(82)80339-9
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发表时间:
1982
期刊:
影响因子:
--
通讯作者:
B. Buehler
中科院分区:
文献类型:
--
作者:
J. Hanson;B. Buehler
IN THE 70 YEARS since the introduction of the first anticonvulsant, phenobarbital, a large and diverse group of drugs has been developed to control seizures. Among the most efficacious and widely used of these agents is phenytoin (Dilantin, hydantoin), an agent in clinical use for more than 40 years. It has been estimated that two million patients in the United States receive phenytoin on a long-term basis/Extensive literature exists regarding the magnitude of risk for fetal abnormality in the offspring of mothers with convulsive disorders. In all of these epidemiologic studies, the frequency of abnormalities in the offspring of treated epileptic women has exceeded that for offspring of normal (nonepileptic) controls (Table). 2~ 6 In most cases this difference has been statistically significant, with relative risk estimates ranging from 2 to 3. Unfortunately, sample sizes in these studies have been marginal for any reliable conclusions to be madeJ 6 In all studies, sample sizes have been insufficient to allow stratification by more than a few maternal Or paternal variables, and all combinations of drug therapy or convulsive disorders have been analyzed together. Consideration of the dosage and timing of drug exposures has not been specified. Epidemiologic studies have thus far failed to answer the question: Is the risk for congenital abnormalities in the offspring of treated epileptic women related to drug therapy or to the underlying convulsive disorder or genetic factors? Two areas of study suggest that a portion of the increased risk may be attributable to drug therapy. As illustrated in the Table, in retrospective studies the frequency of abnormality in the offspring of treated epileptic women is consistently greater than in the offspring of