结论：全麻复合硬膜外麻醉可降低老年人腹部手术术后认知功能障碍的发生。
Conclusions: Combined general and epidural anesthesia can reduce the incidence of POCD for the abdominal surgery in elderly.
术后认知功能障碍：留心缺口在我们的中老年人的常见术后并发症的知识。
Postoperative Cognitive Dysfunction: Minding the Gaps in Our Knowledge of a Common Postoperative Complication in the Elderly.
术后认知功能障碍：留心缺口在我们的中老年人的常见术后并发症的知识。
Postoperative Cognitive Dysfunction: Minding the Gaps in Our Knowledge of a Common Postoperative Complication in the Elderly.
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