Abstract Aim: To investigate the effects of patients-controlled epidural analgesia(PCEA) on endocrine , respiratory and circulatory function in the elderly after upper abdominal surgery.
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- 摘要目的观察老年病人上腹部术后硬膜外自控镇痛(PCEA)对内分泌及呼吸和循环功能的影响。