The Effect of Parasternal Block on Postoperative Pain in Patients Undergoing Coronary Artery Bypass Graft Surgery
Abstract
Objective: This study aims to investigate the effects of intraoperative parasternal block on postoperative analgesia in patients undergoing elective coronary artery bypass graft surgery.
Materials and Methods: This prospective, randomized, double-blind study included 78 patients aged 30-80 years with an ASA (American Society of Anesthesiologists) risk score of III-IV, who were scheduled for elective coronary artery bypass graft surgery. Patients were randomly assigned into two groups: the parasternal block group (n = 39), receiving parasternal block with 2.5% bupivacaine, and the saline group (n = 39), receiving parasternal block with 0.9% NaCl. All patients were administered a standard anesthesia protocol, and routine care and analgesia practices during the postoperative period were not interfered with. Patients in the intensive care unit received intravenous paracetamol every 8 hours for analgesia. If postoperative 24-hour pain scores in the intensive care unit , assessed using the Behavioral Pain Scale while intubated and the Numeric Rating Scale while extubated, exceeded 4, 1 mg/kg tramadol was administered. The timing and doses of the first tramadol administration, as well as extubation times, intensive care unit stay durations, and discharge times, were recorded.
Results: In the postoperative period, Behavioral Pain Scale scores at the 8th hour and Numeric Rating Scale scores at the 4th and 12th hours were significantly lower in the parasternal block group compared to…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 80 participants or records.
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