This study aims to compare the postoperative analgesic efficacy of ultrasound-guided erector spinae plane block (ESPB) and thoracic paravertebral block (TPVB) in patients undergoing thoracotomy. The primary outcome is the VAS scores assessed at postoperative hours 0, 3, 6, 12, and 24 for pain at rest. The secondary outcome was tramadol and morphine consumption.
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Visual Analog Scale
Timeframe: Postoperative 0., 3., 6., 12., ve 24. hour