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OBJECTIVE The Chinese population has been aging rapidly and the country's economy has experienced exponential growth during the past three decades. The goal of this study was to estimate the changes in the prevalence of dementia, Alzheimer's disease (AD), and vascular dementia (VaD) among elderly Chinese individuals and to analyze differences between urban(More)
BACKGROUND Epidemiologic studies on mild cognitive impairment (MCI) are limited in China. METHODS Using a multistage cluster sampling design, a total of 10,276 community residents (6096 urban, 4180 rural) aged 65 years or older were evaluated and diagnosed with normal cognition, MCI, or dementia. MCI was further categorized by imaging into MCI caused by(More)
Apolipoprotein D (apoD) is a lipoprotein-associated glycoprotein that is increased in the hippocampus and cerebrospinal fluid of patients with Alzheimer's disease (AD), which implies that apoD might be involved in the pathogenesis of AD. We used polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and DNA sequencing techniques to(More)
Studies on gender differences in the clinical manifestations of vascular dementia (VaD) are still lacking. In the present study, gender comparisons of cognitive and neuropsychiatric profiles were conducted separately for mild and moderate-to-severe VaD in a total of 467 patients with VaD. There were no significant gender differences in cognitive(More)
The MRI manifestations of Hashimoto's Encephalopathy (HE) can vary from normal appearance, ischemic lesions, demyelination, vasogenic edema to atrophy. The diverse MRI features of HE reported in the literature made it difficult to understand the pathological process and monitoring the prognosis. To investigate the dynamic changes of MRI manifestations in(More)
Ginsenoside Rg1 (Rg1) is a pharmaceutically active component of ginseng, and is neuroprotective as reported. This experiment investigated whether Rg1 is effective on injury or apoptosis of Chinese hamster ovary (CHO) cells as induced by Abeta(25-35), or by excessive Abeta(1-42) and the mechanism involved. We used different Rg1 doses to pretreat CHO cells(More)
Alzheimer's disease (AD) has a complex pattern of inheritance and many genes have recently been reported to contribute to the disease susceptibility. We selected 106 SNPs within 16 candidate genes and performed a multistage association study using 4 sample sets consisting of 731 AD patients and 738 control subjects to identify genetic factors for AD in Han(More)
INTRODUCTION Vascular cognitive impairment without dementia is very common among the aged and tends to progress to dementia, but there have been no proper large-scale intervention trials dedicated to it. Vascular cognitive impairment without dementia caused by subcortical ischemic small vessel disease (hereinafter, subcortical Vascular cognitive impairment(More)
INTRODUCTION Rapid cognitive decline (RCD) occurs in dementia due to Alzheimer's disease (AD). METHODS Literature review, consensus meetings, and a retrospective chart review of patients with probable AD were conducted. RESULTS Literature review showed that RCD definitions varied. Mini-Mental State Examination scores <20 at treatment onset, vascular(More)
BACKGROUND Alzheimer's disease (AD) is the most common type of dementia. International multilateral cost-of-illness (COI) studies have revealed that the cost of treating this disease is huge, which places a significant burden on patients' families and their healthcare systems. However, no such studies have been conducted in China. This study estimates the(More)