There are very few randomized controlled trials in open splenectomy surgery, which compare paravertebral block with ESP block. The purpose of this randomized controlled trial is to compare the efficacy of ultrasound-guided paravertebral block with ESP block for perioperative analgesia in open splenectomy .
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
First time to analgesic requirement
Timeframe: 1st 24 hour