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Postictal Serum Creatine Kinase in the Diagnosis of Seizure Disorders
Elaine Wyllie, MD;
Hans Lueders, MD, PhD;
Charles Pippenger, PhD;
Frederick VanLente, PhD
Arch Neurol. 1985;42(2):123-126.
Abstract
• We prospectively correlated daily serum creatine kinase (CK) levels with the occurrence of different types of epileptic and nonepileptic seizures documented by video EEG recording in 22 hospitalized patients. Prolonged postictal CK elevations, 8.0 to 19.2 times baseline, were seen following six (15%) of 41 generalized tonoclonic seizures. No CK elevations were seen following 147 complex partial, focal motor, absence, and tonic seizures or 55 psychogenic seizures, 89% of which involved vigorous muscular activity. Six of 12 patients with generalized tonoclonic seizures had postictal CK elevations compared with none of six patients with psychogenic seizures and none of 15 patients with complex partial, focal motor, absence, and tonic seizures. Thus, postictal CK determination can serve as an adjunctive test for differentiation between psychogenic and epileptic generalized tonoclonic seizures.
Author Affiliations
From the Departments of Neurology (Drs Wyllie and Lueders) and Biochemistry (Drs Pippenger and VanLente), Cleveland Clinic Foundation.
Footnotes
Accepted for publication Jan 27, 1984.
Reprint requests to Department of Neurology, Cleveland Clinic Foundation, 9500 Euclid Ave, Cleveland, OH 44106 (Dr Wyllie).
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