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Dementia of different etiologies

Vasoactive intestinal polypeptide in CSF

Department of Neurology (Drs. Wikkels and Blomstrand), University of Göteborg, Sweden; the Department of Clinical Chemistry (Dr. Fahrenkrug), Bispebjerg Hospital, Copenhagen, Denmark; and the Department of Neurology (Dr. Johansson), University Hospital, Lund, Sweden.

Patients with normal-pressure hydrocephalus, multiinfarct dementia, and recent cerebral infarction had significantly lower vasoactive intestinal polypeptide (VIP) levels than age-matched controls (11 ± 3 pmol/1, 17 ± 4 pmol/1, 21 ± 4 pmol/1, and 33 ± 4 pmol/1, respectively). Three months after a shunt operation, the VIP levels had increased significantly in patients with hydrocephalus (54 ± 13 pmol/1). VIP concentration in patients with senile dementia did not differ from that of controls.

Address correspondence and reprint requests to Dr. Johansson, Department of Neurology, University Hospital, S-221 85 Lund, Sweden.

Supported in part by a grant from the Swedish Work Environmental Fund.

Accepted for publication July 30, 1984

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