1.Aging and perioperative brain health: Mechanisms, management, and future.
Peilin CONG ; Qian CHEN ; Qianqian WU ; Jing WANG ; Xinwei HUANG ; Qian ZHANG ; Zheping CHEN ; Huanghui WU ; Yuxin ZHANG ; Mengfan HE ; Zhouxiang LI ; Li TIAN ; Lize XIONG
Chinese Medical Journal 2025;138(19):2381-2398
Globally, over 300 million surgeries are performed each year, and more than 50% of surgeries involve patients aged 65 and older. Aging poses significant challenges to perioperative brain health, as the deterioration of brain structure and function increases susceptibility to postoperative neurological complications. Protecting perioperative brain health remains a worldwide clinical challenge. With senescence, the brain undergoes a progressive decline in homeostasis across various molecular, cellular, and regional functions. Anesthetics and surgical stimuli may accelerate the disruption of brain homeostasis and exacerbate age-related neurodegeneration. This review provides a framework for understanding how anesthesia and surgery can affect brain health in the aging population and contribute to postoperative neurological complications, with a particular focus on perioperative neurocognitive disorder.
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