Clinical Research Directory

Paravertebral Block and Reduction in Opioid Consumption After Mastectomy

Sponsor: University Tunis El Manar

Summary

This prospective randomized study evaluates the efficacy of paravertebral block in reducing opioid consumption during mastectomy and its impact on acute and chronic postoperative pain. Participants are women over 18 years of age, classified as ASA physical status I or II, with breast cancer and scheduled to undergo unilateral mastectomy with or without axillary lymph node dissection. Participants are randomly assigned to two groups: one receiving a paravertebral block and the other receiving multimodal analgesia. The primary outcome is intraoperative fentanyl consumption. Secondary outcomes include hypnotic and neuromuscular blocking agent consumption, the quality and time to emergence from anesthesia, adverse effects related to the paravertebral block, as well as acute postoperative pain and chronic pain assessed three months after surgery. The study aims to determine whether paravertebral block provides intraoperative opioid-sparing effects and contributes to improved postoperative pain management following mastectomy.

Official title: Paravertebral Block: Perioperative Opioid-sparing Effect - Acute and Chronic Post-mastectomy Pain.

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