ReviewPublished 2 September 2026Neuroinflammation in postoperative cognitive dysfunction: the multi-target potential of esketamine in modulating microglial responses and synaptic integrityHao-Tian Li · Guang-Yong Lin · Wen-Tao Xing · Yu Liu · Chuan-Xiang ZhangFrontiers in Molecular Neurosciencedoi 10.3389/fnmol.2026.1868647