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Original Research
Published 7 September 2026
Association between preoperative cognitive impairment and perioperative neurocognitive disorders within 30 days after surgery in elderly patients: a secondary exploratory retrospective analysis
Keke Song · Ping He · Xiaoqi Zhao · Rongsheng Zhou · Yaomin Zhu · Xiaofei Liu · Xin Zhang
Frontiers in Aging
doi 10.3389/fragi.2026.1835897