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JAMA Intern Med:绝经后激素治疗对认知无害亦无益

2013-07-09 佚名 EGMN

根据6月24日在JAMA Intern Med杂志上发表的一篇报告,在50~55岁之间接受绝经后激素治疗,不会对认知功能产生任何持续益处或损害(JAMA Intern. Med. 2013 June 24 [doi:10.1001/jamainternmed.2013.7727])。 既往一项纳入65岁以上受试者的WHI研究显示,接受激素治疗(HT)的女性表现出轻微整体和特定领域认知功能

根据6月24日在JAMA Intern Med杂志上发表的一篇报告,在50~55岁之间接受绝经后激素治疗,不会对认知功能产生任何持续益处或损害(JAMA Intern. Med. 2013 June 24 [doi:10.1001/jamainternmed.2013.7727])。

既往一项纳入65岁以上受试者的WHI研究显示,接受激素治疗(HT)的女性表现出轻微整体和特定领域认知功能缺陷,并可在治疗结束后持续数年。

N.C温斯顿-塞勒姆市维克森林大学生物统计学系的Mark A. Espeland博士本次研究了较年轻的绝经后女性接受HT对认知功能的影响。WHIMS-Y研究纳入了1,372例同意在WHI研究结束后参与长期随访的受试者,是WHI研究的延长研究。这些女性在入组WHI研究时年龄为50~55岁,在该研究中,接受HT或安慰剂治疗平均7年(范围4~10)。在WHIMS-Y研究中,这些患者在平均年龄68岁时(范围63~74岁)接受认知评估。主要终点为整体认知功能,通过电话访谈进行改良认知状况(TICS-m)评估。

结果显示,在校正患者年龄后,接受活性HT者和接受安慰剂治疗者的TICS-m评分“基本无差异”。此外,两个研究组的即时和延迟词语记忆、注意力、执行功能、语言流畅性和工作记忆无显著差异。无论HT为单用结合妊马雌激素(CEE)还是CEE联合醋酸甲羟孕酮,这些结果是一致的。在校正认知受损的危险因素后,结果仍无变化。在几项亚组分析中,这些结果也保持一致,仅有一项例外:原本接受HT但在入组WHI研究前停用HT的女性,以及在WHI研究中继续将HT作为治疗的一部分的女性,表现出语言流畅性缺陷。但研究者认为这可能是一个偶然发现。“尽管无法排除继续收益或受损,但在停用HT平均7天后,这些反应消失。”


Long-Term Effects on Cognitive Function of Postmenopausal Hormone Therapy Prescribed to Women Aged 50 to 55 Years                

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