Objective: to systematically evaluate the efficacy of tropisetron for postoperative nausea and vomiting (PONV).
目的：系统评价托烷司琼预防全麻术后恶心呕吐(PONV)的有效性。
Conclusions Carbonemia, shoulder pain and PONV can be reduced by regulating the ventilation and decreasing the pneumoperitoneum pressure.
结论高碳酸血症、肩部疼痛及恶心、呕吐等气腹并发症可通过术中注意调节通气量，降低气腹压力等措施防治。
Results the obvious factors associated with PONV included gender, type of anesthesia, duration of surgery, to use opioids postoperatively and history of motion sickness.
结果显著影响PONV发生率的因素有性别、麻醉方式、手术时间、术后阿片类药物镇痛及既往PONV或晕动病史。
Objective To investigate the effects of volume expansion before induction of anaesthesia on postoperative nausea and vomiting(PONV) in patients undergoing laparoscopic operations.
目的研究麻醉诱导前扩容对腹腔镜手术后恶心呕吐（PONV）发生率的影响。
The mechanism of postoperative nausea and vomiting(PONV)is not clear. Pharmacotherapy is not good enough for PONV, and acupuncture has some effect on PONV though mechanism was not clear also.
术后恶心呕吐的发病机制不明，药物治疗效果欠佳，非药物治疗如针灸治疗有一定的疗效，但其作用机制尚不明确。
The mechanism of postoperative nausea and vomiting(PONV)is not clear. Pharmacotherapy is not good enough for PONV, and acupuncture has some effect on PONV though mechanism was not clear also.
术后恶心呕吐的发病机制不明，药物治疗效果欠佳，非药物治疗如针灸治疗有一定的疗效，但其作用机制尚不明确。
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