Incidence of Dementia is Increased in Type 2 Diabetes and Reduced by the Use of Sulfonylureas and Metformin

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 公共衛生學院 > 醫務管理學系暨碩士班 > 期刊論文 > Item 310903500/43873

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题名:	Incidence of Dementia is Increased in Type 2 Diabetes and Reduced by the Use of Sulfonylureas and Metformin
作者:	許志成*;(Mark Wahlqvist);(Meei-Shyuan Lee);(Hsin-Ni Tsai)
贡献者:	公共衛生學院醫務管理學系
关键词:	Alzheimer's disease, anti-diabetic medication, dementia, type 2 diabetes
日期:	2011-04
上传时间:	2012-04-19 14:55:40 (UTC+8)
摘要:	To determine incidence of dementia in type 2 diabetic (T2DM) patients, and whether there are adverse or favorable effects of oral agents (OA) in DM, we obtained a representative cohort of 800,000 from Taiwan's National Health Insurance database. Those who, as of on January 1, 2000, were 50 years or older and dementia free (n = 127,209) were followed until December 31, 2007, in relation to absence (n = 101,816) or presence (n = 25,393) of T2DM, and whether any OA was used. Dementia was ascertained by ICD9-CM or A-code. Dementia incidence densities (DID) and fully adjusted Cox proportional hazard models were used to estimate association between dementia, DM, and OA. Notably, DID (per 10,000 person-years) was markedly increased with DM (without medication), compared to DM free subjects (119 versus 46). Using non-DM as reference, the adjusted hazard ratios (HRs) (95% confidence interval) for DM without and with OA were 2.41 (2.17–2.66) and 1.62 (1.49–1.77), respectively. For T2DM, compared with no medication, sulfonylureas alone reduced the HR from 1 to 0.85 (0.71–1.01), metformin alone to 0.76 (0.58–0.98), while with combined oral therapy the HR was 0.65 (0.56–0.74). Adjustments included cerebrovascular diseases so that non-stroke related dementias were found to be decreased in DM with sulfonylurea and metformin therapy. T2DM increases the risk of dementia more than 2-fold. On the other hand, sulfonylureas may decrease the risk of dementia, as does metformin; together, these 2 OAs decrease the risk of dementia in T2DM patients by 35% over 8 years.
關聯:	Journal of Alzheimer’s Disease 24(3):485-493
显示于类别:	[醫務管理學系暨碩士班] 期刊論文

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