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From the Division of Neurology (Dr. Krumholz), Sinai Hospital of Baltimore, and the Department of Neurology (Dr. Niedermeyer), the Johns Hopkins University School of Medicine, Baltimore, MD.
We evaluated the natural history and prognosis of psychogenic or hysterical seizures in patients discharged from the Johns Hopkins Hospital in the 3 years between 1971 and 1974. Follow-up data were obtained 5 years or more after discharge. Among 41 patients with convincing evidence of psychogenic seizures, there were coexisting organic neurologic disorders in 18 (44%). Mental subnormality or retardation was present in 17% and true epileptic seizures in 37%. EEG abnormalities found in 38% of individuals with psychogenic seizures were attributed to these organic neurologic disorders or anticonvulsant drug toxicity. There was significant long-term morbidity in 56% of these individuals because of psychosocial problems rather than misdiagnosis of psychogenic seizures.
Address correspondence and reprint requests to Dr. Krumholz, Division of Neurology, Sinai Hospital of Baltimore, Baltimore, MD 21215.
Presented in part at the thirty-second annual meeting of the American Academy of Neurology, New Orleans, LA, April 1980.
Accepted for publication July 12, 1982.
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