Juyoun Lee1,2, Hanna Cho3, Seun Jeon4, Hee Jin Kim1, Yeo Jin Kim5, Jeongmin Lee1, Sung Tae Kim6, Jong-Min Lee4, Juhee Chin1, Samuel N Lockhart7, Ae Young Lee2, Duk L Na1, Sang Won Seo1. 1. Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Gangnam-gu, Seoul, Korea. 2. Department of Neurology, Chungnam National University Hospital, Jung-gu, Daejeon, Korea. 3. Department of Neurology, Gangnam Severance Hospital, Yonsei University College of Medicine, Gangnam-gu, Seoul, Korea. 4. Department of Biomedical Engineering, Hanyang University, Seongdong-gu, Seoul, Korea. 5. Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon-si, Gangwon-do, Korea. 6. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Gangnam-gu, Seoul, Korea. 7. Department of Internal Medicine, Division of Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA.
Abstract
BACKGROUND: Sex effects on the progression of Alzheimer's disease (AD) have received less attention than other demographic factors, including onset age and education. OBJECTIVE: The aim of this study was to investigate whether sex affected cortical thinning in the disease progression of AD. METHODS: We prospectively recruited 36 patients with early-stage AD and 14 people with normal cognition. All subjects were assessed with magnetic resonance imaging at baseline, Year 1, Year 3, and Year 5. We performed cortical thickness analyses using surface-based morphometry on magnetic resonance imaging. RESULTS: Women with AD showed more rapid cortical thinning in the left dorsolateral frontal cortex, left superior temporal gyrus, bilateral temporo-parietal association cortices, bilateral anterior cingulate gyri, bilateral medial frontal cortices, and bilateral occipital cortices over 5 years than men with AD, even though there was no difference in cortical thickness at baseline. In contrast, there were no regions of significantly more rapid atrophy in men with AD. CONCLUSIONS: Our findings suggest that women deteriorate faster than men in the progression of AD.
BACKGROUND: Sex effects on the progression of Alzheimer's disease (AD) have received less attention than other demographic factors, including onset age and education. OBJECTIVE: The aim of this study was to investigate whether sex affected cortical thinning in the disease progression of AD. METHODS: We prospectively recruited 36 patients with early-stage AD and 14 people with normal cognition. All subjects were assessed with magnetic resonance imaging at baseline, Year 1, Year 3, and Year 5. We performed cortical thickness analyses using surface-based morphometry on magnetic resonance imaging. RESULTS:Women with AD showed more rapid cortical thinning in the left dorsolateral frontal cortex, left superior temporal gyrus, bilateral temporo-parietal association cortices, bilateral anterior cingulate gyri, bilateral medial frontal cortices, and bilateral occipital cortices over 5 years than men with AD, even though there was no difference in cortical thickness at baseline. In contrast, there were no regions of significantly more rapid atrophy in men with AD. CONCLUSIONS: Our findings suggest that women deteriorate faster than men in the progression of AD.
Entities:
Keywords:
Alzheimer’s disease; cognitive reserve; cortical thickness; longitudinal study; sex
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