Abstract
Background Postoperative cognitive dysfunction (POCD) is a common neurological complication after anesthesia and surgery,especially prevalent in the elderly.Iron accumulation in the brain is an initial cause of neurodegeneration,it gives rise to neuronal degeneration and necrosis by arousing oxidative stress.Objective This review aims to investigate the role of iron accumulation in POCD.Content The distribution of brain iron,iron metabolism protein function,the relationship of excessive iron levels in the brain and neurodegeneration,as well as the progress of iron accumulation in POCD are described in the article.Trend Iron accumulation may be an important mechanism of POCD,the neuroprotection of iron chelator is expected to provide new target for the management of POCD. Key words: Iron accumulation; Neurodegeneration; Postoperative cognitive dysfunction
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