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1 Professor of Psychiatry, Department of Psychiatry, University Hospital, Umea, Sweden
2 Associate Professor, Department of Neurosurgery, University Hospital, Lund, Sweden
3 Pharmacologist, Department of Pharmacology, University of Göteborg, Sweden
4 Department of Neurosurgery, University Hospital, Lund, Sweden
5-hydroxyindoleacetic acid, homovanillic acid, lactate, pyruvate, pH and Pco2 were determined in lumbar cerebrospinal fluid from patients with Alzheimer's disease. Dementia was measured by means of rating scales. Previous findings of an impaired metabolism of dopamine and 5-hydroxytryptamine were confirmed and strengthened. There were small but significant increases of lactate and lactate/pyruvate ratio, indicating that cellular hypoxia may be present in Alzheimer's disease. The mean pH and Pco2, did not deviate significantly from values measured in normal individuals. The dementia variables correlated significantly with homovanillic acid, lactate and pH of the cerebrospinal fluid.
Submitted on March 22, 1973
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