Ultrasound Guided Erector Spinae Plane Block

Single-shot ultrasound (US)-guided ESP block with 20 ml 0.25% bupivacaine ( Marcaine ) at the T4 vertebral level will be performed.

Postoperative 0.5 mg/kg morphine and 1 gr paracetamol will be admistered intravenously in the operation theatre and intravenous patient controlled analgesia (PCA) will be performed in the plastic surgery ward postoperatively