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Diabetes Care:雌激素会加剧糖尿病患者痴呆的发生

2015-10-24 Seven L 译 MedSci原创

老年女性,雌激素水平越高,会加速因糖尿病导致的认知障碍。研究者进行了一项研究探究2型糖尿病患者中,对绝经后妇女进行激素替代治疗能都对糖尿病相关认知障碍产生影响。研究者将研究对象随机分为激素治疗组:0.625 mg/day结合雌激素 ±2.5 mg/day醋酸甲羟孕酮,以及安慰剂对照组(4.7-5.9 年)。该研究共纳入了7,233名女性,年龄 65-80 岁,根据2型糖尿病情况进行分类,并随访可能

老年女性,雌激素水平越高,会加速因糖尿病导致的认知障碍。研究者进行了一项研究探究2型糖尿病患者中,对绝经后妇女进行激素替代治疗是否能对糖尿病相关认知障碍产生影响。

研究者将研究对象随机分为激素治疗组:雌激素0.625 mg/day结合 醋酸甲羟孕酮±2.5 mg/day醋酸甲羟孕酮,以及安慰剂对照组(4.7-5.9 年)。该研究共纳入了7,233名女性,年龄 65-80 岁,根据2型糖尿病情况进行分类,并随访可能发生痴呆的人群,以及认知障碍的人群(轻度认知障碍或痴呆)。

在最长长达18年的随访中,伴有糖尿病的女性,其可疑痴呆和认知障碍风险均增加,分别为HR=1.54 [95% CI 1.16-2.06]、HR=1.83 [1.50-2.23]。糖尿病+激素替代治疗增加痴呆风险 (HR 2.12 [1.47-3.06];交互作用:P = 0.09) ,增加认知障碍风险 (HR 2.20 [1.70-2.87];交互作用:P = 0.08)。该联系似乎仅见于未增加孕酮的女性。

该研究结果支持了先前的研究,即对于老年2型糖尿病女性,雌激素的增高会加剧认知障碍的发发生。可能是因为雌激素压制大脑的非血糖来源的能量供应。

原始出处:

Espeland MA, Brinton RD, Hugenschmidt C,et al.Impact of Type 2 Diabetes and Postmenopausal Hormone Therapy on Incidence of Cognitive Impairment in Older Women.Diabetes Care. 2015 Oct 20. pii: dc151385.


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