Rhomboid Intercostal and Subserratus Plane Block vs Erector Spinae Plane Block in Video-Assisted Thoracoscopic Surgery

Video-assisted thoracoscopic surgery (VATS) can be very painful and may lead to complications such as prolonged stays in intensive care, thromboembolic complications due to lack of early mobilization, chronic acute pain, and delirium if adequate analgesia is not provided. Therefore, using thoracic epidural, paravertebral, or regional blocks as part of multimodal analgesia is recommended to provide effective pain relief. This study aims to compare the effects of the erector spinae plane block (ESP) and rhomboid intercostal subserratus plane block (RISS) on postoperative analgesia and the improvement of respiratory parameters in patients undergoing VATS. The primary objective is to evaluate total analgesic consumption in the first 24 hours postoperatively. Secondary objectives include assessing active and dynamic pain scores, triflow performance, complications, and the length of hospital stays.