The investigators hypothesize that erector spinae plane block is better than subcostal transversus abdominis plane block regarding postoperative pain management.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Cumulative morphine consumption at 6 hours postoperatively (co-primary endpoint)
Timeframe: From end of surgery to 6 hours postoperatively
Cumulative morphine consumption at 24 hours postoperatively (co-primary endpoint)
Timeframe: From end of surgery to 24 hours postoperatively