Clinical Research Directory

Addition of Dexmedetomidine to Ropivacaine in Bilateral Erector Spinae Plane Block in Patients Undergoing Coronary Artery Bypass Surgery

Sponsor: Lebanese American University

Summary

Coronary artery bypass surgery (CABG), typically performed through a median sternotomy, causes significant postoperative pain. Managing this pain effectively while reducing reliance on opioids is essential, as opioids can lead to side effects such as respiratory depression, nausea, and potential for dependence. Regional anesthesia techniques like the erector spinae plane block (ESPB) have emerged as promising tools to control pain and support recovery. This randomized, double-blind clinical trial evaluates whether adding dexmedetomidine, a sedative and analgesic, to ropivacaine, a local anesthetic, in bilateral ESPB can improve pain control after off-pump CABG surgery. The study is conducted at the Lebanese American University Medical Center - Rizk Hospital. A total of 110 adult patients undergoing elective surgery are randomly assigned to one of two groups: 1. Group R: Receives ropivacaine alone in the ESPB. 2. Group RD: Receives ropivacaine with dexmedetomidine. The nerve block is administered before anesthesia. The primary outcome is the duration of effective pain relief (pain score ≤4) before the patient needs opioid medication, assessed up to 24 hours after extubation. Secondary outcomes include: 1. Pain scores monitored for up to 48 hours post-extubation 2. Total intraoperative opioid use 3. Time to extubation, ambulation, and incentive spirometry use 4. ICU stay duration 5. Side effects such as nausea, bradycardia, or local anesthetic toxicity This study supports efforts to reduce opioid use after heart surgery while maintaining effective pain management, aligning with enhanced recovery protocols and addressing the broader public health challenge of opioid overuse.

Official title: The Addition of Dexmedetomidine to Ropivacaine in Bilateral Erector Spinae Plane Block in Patients Undergoing Coronary Artery Bypass Surgery - A Double-blinded Randomized Clinical Trial

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