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A Community-Based Study of Parental Age at the Birth of Patients With Dementia of the Alzheimer Type
Katsuya Urakami, MD;
Yoshiki Adachi, MD;
Kazuro Takahashi, MD
Arch Neurol. 1989;46(1):38-39.
Abstract
The association of dementia of the Alzheimer type (DAT) with parental age at the birth of patients who develop DAT was investigated in a community-based study in Japan. Both maternal and paternal ages of patients who have developed DAT are significantly higher than those in controls and multi-infarct dementia. This study suggests that advanced age may become a cause of chromosome abnormality, and advanced parental age at subjects' birth may be a possible risk factor in DAT.
Author Affiliations
From the Division of Neurology, Institute of Neurological Sciences, Tottori University School of Medicine, Yonago, Japan.
Footnotes
Accepted for publication July 6, 1988.
Reprint requests to Division of Neurology, Institute of Neurological Sciences, Tottori University School of Medicine, Nishimachi 86, Yonago 683, Japan (Dr Urakami).
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