Effects of Serratus Posterior Superior Intercostal Plane Block and Pectoralis Nerve Block in Coronary Artery Surgery

SPSIPB; The procedure will be carried out with the patient in the lateral decubitus position. After gently shifting the scapula laterally, the US probe is held sagittally at the upper corner of the scapula, and the 3rd rib and serratus posterior superior muscle are visualized. The block needle will be advanced in the cranio-caudal direction to enter between the serratus posterior superior and the 3rd rib. After confirming the block site, 30 ml of 0.25% concentration of marcaine (bupivacaine) will be used.

PECS II; The block will be performed in the supine position of the patient, just anterior to the axillary line at the level of the 4th rib. After visualizing the serratus anterior, pectoralis major, and pectoralis minor muscles along with the ribs and pleura, the needle will be directed in-plane from cranial to caudal into the fascia of the serratus anterior muscle. Subsequently, 30 ml of bupivacaine with a 0.25% concentration will be applied.