Determinants of patient-controlled epidural analgesia requirements: a prospective analysis of 1753 patients.


OBJECTIVES Patient-controlled epidural analgesia (PCEA) has been widely used in postoperative pain management. Many factors may correlate with PCEA requirements but no previous study has ever investigated this subject. Therefore, we conducted this study to explore the relationship among patients' characteristics and total PCEA consumption during the 3-day… (More)


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