This study aimed to evaluate the effect of epidural patient-controlled analgesia (PCA) on postoperative pain relief after lumbar spine surgeries. The eligible patients received two types of postoperative pain management: PCA and standard pain treatment. Comparisons between the two groups were made in terms of postoperative pain level.
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Pain degree
Timeframe: Postoperative day 1, postoperative day 2, postoperative day 3, postoperative day 4, and the day of discharge (up to 1 month)