Visual analog scale at rest ( VAS) and after movement (VASM), sedation score (Ramsay) were recored 3, 6, 24, 48 hours postoperatively and frequency of opioid and NSAIDs side effects and morphine consumption were also recorded.

• 记录术后3、6、24、48 h VAS、Ramsay镇静评分、活动后VAS评分和48 h内使用吗啡总量并记录可能出现的副作用。