Preoperative Deep Parasternal Intercostal Plane Block and Intraoperative Opioid Use in Cardiac Surgery

Median sternotomy is commonly used in cardiac surgery and is associated with significant intraoperative and postoperative pain, often requiring substantial opioid administration. High opioid use during cardiac surgery may contribute to adverse effects such as respiratory depression, delayed extubation, postoperative nausea and vomiting, and prolonged intensive care unit stay. Therefore, effective opioid-sparing strategies are an important component of modern perioperative care. The deep parasternal intercostal plane (DPIP) block is a regional anesthesia technique that targets the anterior cutaneous branches of the intercostal nerves, which are responsible for transmitting pain from the sternum and adjacent tissues. When performed under ultrasound guidance, this block allows precise local anesthetic deposition while minimizing the risk of pleural or vascular injury. The purpose of this randomized controlled study is to evaluate whether a preoperative ultrasound-guided DPIP block reduces intraoperative opioid consumption in adult patients undergoing elective cardiac surgery via median sternotomy. Patients will be randomly assigned to receive either a bilateral DPIP block in addition to standard general anesthesia or standard general anesthesia alone. The primary outcome of the study is total intraoperative opioid consumption. Secondary outcomes include time to extubation, postoperative opioid consumption within the first 24 hours, postoperative pain scores, and the incidence…

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Burak Cemil BALIK, MD  ·  905339545102  ·  cburakbalik@hotmail.com

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