pectus excavatum (MIRPE; Nuss procedure) is a thoracoscopic technique designed to
minimize intraoperative tissue damage. It still causes severe postoperative pain due to the
insertion and pressure of the retrosternal bar used to raise the sternum and stabilize the
chest. This study aimed to identify associations between ultrasound-guided PECS-II block
and postoperative analgesia after the Nuss procedure. Design A retrospective cohort study …