以前的怀孕可能会减轻与手术更年期相关的皮质大脑差异
Alberto Fernández-Pena1,2,3, Francisco J Navas-Sánchez2, Daniel Martín de Blas1,2,3
1Departamento de Bioingeniería, Universidad Carlos III de Madrid, Madrid, Spain.
Human brain mapping
|December 8, 2023
概括
手术性更年期会导致大脑缩,特别是在额头和部区域. 然而,分娩可能会提供保护性大脑效应,减轻经过手术更年期妇女突然雌激素损失的影响.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 老年学是一门学科.
背景情况:
- 手术性更年期会导致雌激素的急剧下降,与逐渐的绝经期不同,可能会增加痴呆风险.
- 母亲涉及显著的,持久的神经内分泌适应.
- 以前的研究表明,手术更年期和晚年痴呆症风险之间存在联系.
研究的目的:
- 为了比较经历手术和非手术更年期的女性之间的全脑皮质体积差异.
- 为了研究以前生育 (平价) 对这些皮质差异的影响.
- 探索第一次怀孕时的年龄与经过手术更年期的女性皮质体积之间的关系.
主要方法:
- 基于表面的神经成像技术被用于分析皮质体积.
- 该研究包括201名中年妇女:134名非手术更年期和67名手术更年期.
- 参与者根据更年期状态和平价 (生育史) 进行了分类.
主要成果:
- 经过手术更年期的女性在前脑和脑区域显著缩.
- 与经过手术更年期的女性相比,在左側渦,中側葉皮質和雙邊前皮質的皮質體積較低.
- 在经过手术更年期的女性和经过非手术更年期的女性 (临床或无临床) 之间没有发现显著的皮质体积差异.
- 在经过手术的更年期组中,在叶的皮质体积和第一次怀孕时的年龄之间存在负相关性.
结论:
- 这项研究表明,从分娩的神经适应可能缓冲大脑对外科更年期突然雌激素损失的影响.
- 手术更年期突然降低雌激素与大脑缩有关,特别是在额叶和叶.
- 均等性似乎在经过手术更年期后对大脑结构起着保护作用.
更多相关视频
08:29Symmetric Bihemispheric Postmortem Brain Cutting to Study Healthy and Pathological Brain Conditions in Humans
Published on: December 18, 2016
14.1K
06:49Orthotopic Ovarian Transplantation Procedures to Investigate the Life- and Health-span Influence of Ovarian Senescence in Female Mice
Published on: February 12, 2018
10.9K
相关概念视频
Oogenesis
63.7K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.7K
Psychosurgery
57
Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...
57
Menopause
170
Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
170
