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24-Hour Sleep-Waking Studies

A. James Rowan, MD; Charles E. Pippenger, PhD; Peter A. McGregor; Joseph H. French, MD

Arch Neurol. 1975;32(5):281-288.

Abstract
Current methods permit frequent, accurate serum anticonvulsant drug concentration measurements and continuous, 24-hour electroencephalographic recording with minimal environmental restriction. These techniques were used to perform longitudinal, 24-hour recordings of electroencephalographic paroxysmal activity and sleep-wake state concurrently with frequent measurements of serum anticonvulsant drug concentrations in two patients with poorly controlled convulsions.

Drug administration was designed with the intent of producing high serum concentrations at times of maximum electroencephalographic paroxysmal activity. The suppression of clinical seizures coincided with decreased numbers of paroxysmal bursts in the electroencephalogram and increased serum anticonvulsant drug concentration.

Author Affiliations
From the departments of neurology and pediatrics, Montefiore Hospital and Medical Center, Albert Einstein College of Medicine, and Department of Neurology, Columbia University, College of Physicians and Surgeons, New York.

Footnotes
Accepted for publication July 16, 1974.

Read in part before the eastern meeting of the Association of Electroencephalographers, Mt. Gabrielle, Quebec, Canada, 1973, and the Eighth International Congress of Electroencephalography and Clinical Neurophysiology, Marseilles, France, 1973.

Reprint requests to Department of Neurology, Montefiore Hospital and Medical Center, Bronx, NY 10467 (Dr. Rowan).