This study included 46 patients who underwent lumbar disc herniation surgery under general anesthesia. After the operation, US-guided ESPB was performed on Group E, and WI was performed on Group W. Postoperative pain was assessed, and the time to first analgesic requirement, total analgesic amount in 24 hours, and side effects were recorded. IBM SPSS Statistics 22 was used for statistical analyses.
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US-guided ESPB and WI on postoperative pain
Timeframe: postoperative 1 hour, 3 hours, 12 hours, and 24 hours