Volume 33, Issue 5 pp. 494-501
Original Article
Full Access

Genetic susceptibility and head injury as risk factors for Alzheimer's disease among community-dwelling elderly persons and their first-degree relatives

Dr. Richard Mayeux MD

Corresponding Author

Dr. Richard Mayeux MD

Gertrude H. Sergievsky Center, Columbia University School of Public Health

Center for Alzheimer's Disease Research

Department of Neurology, College of Physicians and Surgeons, Columbia University

Department of Psychiatry, College of Physicians and Surgeons, Columbia Univeristy

The Gertrude H. Sergievsky Center, 630 West 168th St, Columbia University, New York, NY 10032Search for more papers by this author
Ruth Ottman PhD

Ruth Ottman PhD

Gertrude H. Sergievsky Center, Columbia University School of Public Health

Division of Epidemiology, Columbia University School of Public Health

Epidemiology of Brain Disorders Research Department, New York State Psychiatric Institute, New York, NY

Search for more papers by this author
Ming-Xin Tang PhD

Ming-Xin Tang PhD

Gertrude H. Sergievsky Center, Columbia University School of Public Health

Department of Neurology, College of Physicians and Surgeons, Columbia University

Search for more papers by this author
Lourdes Noboa-Bauza MD

Lourdes Noboa-Bauza MD

Department of Neurology, College of Physicians and Surgeons, Columbia University

Search for more papers by this author
Karen Marder MD

Karen Marder MD

Gertrude H. Sergievsky Center, Columbia University School of Public Health

Department of Neurology, College of Physicians and Surgeons, Columbia University

Search for more papers by this author
Barry Gurland MD

Barry Gurland MD

Center for Geriatrics and Gerontology, Columbia University School of Public Health

Center for Alzheimer's Disease Research

Department of Psychiatry, College of Physicians and Surgeons, Columbia Univeristy

Search for more papers by this author
Yaakov Stern PhD

Yaakov Stern PhD

Gertrude H. Sergievsky Center, Columbia University School of Public Health

Center for Alzheimer's Disease Research

Department of Neurology, College of Physicians and Surgeons, Columbia University

Department of Psychiatry, College of Physicians and Surgeons, Columbia Univeristy

Search for more papers by this author
First published: May 1993
Citations: 158

Abstract

We performed a community-based study to investigate the relationship of genetic susceptibility and head injury to Alzheimer's disease(AD) in 138 patients with AD and 193 healthy elderly control subjects. Data concerning presence or absence of dementia and certain exposures were also obtained from 799 first-degree relatives of the patients and 1,238 first-degree relatives of the control subjects. Adjusting for age, gender, and other risk factors, the odds ratio for AD associated with head injury was 3.7 (95% confidence interval [CI], 1.4–9.7). The association was highest for head injuries that occurred after age 70. The risk of AD was higher in first-degree relatives of patients with onset prior to age 70 than in relatives of control subjects (risk ratio [RR] = 2.5; 95% CI, 1.1–5.6). The risk was not increased for relatives of patients with onset of AD at age 70 or older. Compared with relatives without head injury, the risk of AD was increased among both head-injured relatives of patients (RR = 5.9; 95% CI, 2.3–14.8) and head-injured relatives of control subjects (RR = 6.9; 95% CI, 2.5–18.9). Our results are consistent with the hypothesis that severe head injury and genetic susceptibility are associated with AD. Both associations concur with current concepts regarding the role of amyloid in AD. Although we regard head injury, like genetic susceptibility, to be a putative risk factor for AD, the temporal relationship between head injury and AD warrants further investigation.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.

click me