Erector Spinae Plane Block Versus Serratus Anterior Plane Block

Bilateral ultrasound guided erector spine plane (ESP) block will be performe preoperatively at T5 level. 20 mL local anesthetics (10 mL 0.5% bupivacaine + 10 mL serum physiologic % l) will be injected deep to the erector spinae muscle.

Bilateral ultrasound guided serratus plane block with 20 ml %0,25 bupivacaine at the midaxillary 5. Rib