ConclusionEpidural anesthesia with ropivacaine by computerized infusion pump is safe, which can not only provide an excellent anesthetic effect but also keep the hemodynamics stable.

• 结论：硬膜外微泵持续泵入罗哌卡因的给药方法既可以达到间断给药法同样的麻醉效果，又避免了间断法造成血压大幅波动的缺点，是一种较为安全的给药方法。