Comparison of ultrasound-guided erector spinae plane block and transversus abdominis plane block for postoperative analgesia after laparoscopic hysterectomy: a prospective randomized non-inferiority clinical trial.

BMC Anesthesiol · 2026 · PMC13170140 · PMID 41928097

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did not reach statistical significanceno p-value reported

Although the reduced incidence in our ESPB group did not reach statistical significance, the trend aligns with the theory that cephalad spread of local anesthetic may mitigate referred pain by affecting diaphragmatic innervation.

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